Analysis

  • max time kernel
    188s
  • max time network
    98s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    12-05-2020 11:39

General

  • Target

    client.exe

  • Size

    61KB

  • MD5

    b8edb3062e489a16fd49868c18731a55

  • SHA1

    018a392975a8731735ef709e6418e5af19db3756

  • SHA256

    f0c0c989b018ee24cbd7548cec4e345fd34f491d350983fddb5ddc1ad1f4ba9f

  • SHA512

    6793968fab16a332217cff0a876a6e1355859b4dabb93a6362eec3412d029d7c7e3c957e136dfaa1f984527710cdef01abc27072f66ba45ded6758471a04fa12

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\HELP_ME_RECOVER_MY_FILES.txt

Family

hakbit

Ransom Note
!!! WARNING !!! WARNING !!! WARNING !!! Where are my files? We have them safely cyphered. You want them back? Contact: [email protected] Telegram Messenger : @CRYPTOMAB Key Identifier: BWmVcy4HiLlA42hfFL4WyIgHzYq76MCNXrjvKMDE3Pjbz1UfszKSjghUXMbOtRzv86zZfPzDL5EMabfvLZEHCNnTC3eVpTEMYg0h5PLjrrKjjmM9Rgt/fvQTLN8UbVNz+vPsCIZ7JzVoyow0cFQHSova4Gia+i1BOrBc7M7MSttYN1L5IKNqDDz0GoaQ28gFCMGduC2nAef9uJIaYEt/ewU/yOP5WWyGZuYYSmBH2OyeBw5rM347VBPYi0rE/Mw32BX36Pm7gRH3R5HBDNcxnwMIeX+aD77YhtT4KjcsLnZ1W7XDBO7V0mBxUSAp7cPUJo5oljUcasYveMBA2NuJlQ== Number of files that you could have potentially lost forever can be as high as: 70
Emails

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Hakbit

    Ransomware which encrypts files using AES, first seen in November 2019.

  • Suspicious use of WriteProcessMemory 384 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Launches sc.exe

    Sc.exe is a Windows utlilty to control services on the system.

  • Modifies service 2 TTPs 4 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Program crash 1 IoCs
  • Kills process with taskkill 3 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Runs net.exe
  • Interacts with shadow copies 2 TTPs 14 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\client.exe
    "C:\Users\Admin\AppData\Local\Temp\client.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of AdjustPrivilegeToken
    PID:1292
    • C:\Windows\SysWOW64\net.exe
      "net.exe" stop avpsus /y
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1312
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop avpsus /y
        3⤵
          PID:1412
      • C:\Windows\SysWOW64\net.exe
        "net.exe" stop McAfeeDLPAgentService /y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1444
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop McAfeeDLPAgentService /y
          3⤵
            PID:1560
        • C:\Windows\SysWOW64\net.exe
          "net.exe" stop mfewc /y
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:288
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop mfewc /y
            3⤵
              PID:900
          • C:\Windows\SysWOW64\net.exe
            "net.exe" stop BMR Boot Service /y
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:376
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop BMR Boot Service /y
              3⤵
                PID:324
            • C:\Windows\SysWOW64\net.exe
              "net.exe" stop NetBackup BMR MTFTP Service /y
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:752
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop NetBackup BMR MTFTP Service /y
                3⤵
                  PID:1064
              • C:\Windows\SysWOW64\net.exe
                "net.exe" stop DefWatch /y
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:1044
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop DefWatch /y
                  3⤵
                    PID:1520
                • C:\Windows\SysWOW64\net.exe
                  "net.exe" stop ccEvtMgr /y
                  2⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1508
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop ccEvtMgr /y
                    3⤵
                      PID:1356
                  • C:\Windows\SysWOW64\net.exe
                    "net.exe" stop ccSetMgr /y
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1368
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop ccSetMgr /y
                      3⤵
                        PID:1796
                    • C:\Windows\SysWOW64\net.exe
                      "net.exe" stop SavRoam /y
                      2⤵
                        PID:1816
                        • C:\Windows\SysWOW64\net1.exe
                          C:\Windows\system32\net1 stop SavRoam /y
                          3⤵
                            PID:1780
                        • C:\Windows\SysWOW64\net.exe
                          "net.exe" stop RTVscan /y
                          2⤵
                            PID:1776
                            • C:\Windows\SysWOW64\net1.exe
                              C:\Windows\system32\net1 stop RTVscan /y
                              3⤵
                                PID:1760
                            • C:\Windows\SysWOW64\net.exe
                              "net.exe" stop QBFCService /y
                              2⤵
                                PID:368
                                • C:\Windows\SysWOW64\net1.exe
                                  C:\Windows\system32\net1 stop QBFCService /y
                                  3⤵
                                    PID:768
                                • C:\Windows\SysWOW64\net.exe
                                  "net.exe" stop QBIDPService /y
                                  2⤵
                                    PID:860
                                    • C:\Windows\SysWOW64\net1.exe
                                      C:\Windows\system32\net1 stop QBIDPService /y
                                      3⤵
                                        PID:648
                                    • C:\Windows\SysWOW64\net.exe
                                      "net.exe" stop Intuit.QuickBooks.FCS /y
                                      2⤵
                                        PID:1352
                                        • C:\Windows\SysWOW64\net1.exe
                                          C:\Windows\system32\net1 stop Intuit.QuickBooks.FCS /y
                                          3⤵
                                            PID:592
                                        • C:\Windows\SysWOW64\net.exe
                                          "net.exe" stop QBCFMonitorService /y
                                          2⤵
                                            PID:1208
                                            • C:\Windows\SysWOW64\net1.exe
                                              C:\Windows\system32\net1 stop QBCFMonitorService /y
                                              3⤵
                                                PID:824
                                            • C:\Windows\SysWOW64\net.exe
                                              "net.exe" stop YooBackup /y
                                              2⤵
                                                PID:1624
                                                • C:\Windows\SysWOW64\net1.exe
                                                  C:\Windows\system32\net1 stop YooBackup /y
                                                  3⤵
                                                    PID:1592
                                                • C:\Windows\SysWOW64\net.exe
                                                  "net.exe" stop YooIT /y
                                                  2⤵
                                                    PID:1584
                                                    • C:\Windows\SysWOW64\net1.exe
                                                      C:\Windows\system32\net1 stop YooIT /y
                                                      3⤵
                                                        PID:1648
                                                    • C:\Windows\SysWOW64\net.exe
                                                      "net.exe" stop zhudongfangyu /y
                                                      2⤵
                                                        PID:1564
                                                        • C:\Windows\SysWOW64\net1.exe
                                                          C:\Windows\system32\net1 stop zhudongfangyu /y
                                                          3⤵
                                                            PID:1576
                                                        • C:\Windows\SysWOW64\net.exe
                                                          "net.exe" stop stc_raw_agent /y
                                                          2⤵
                                                            PID:1892
                                                            • C:\Windows\SysWOW64\net1.exe
                                                              C:\Windows\system32\net1 stop stc_raw_agent /y
                                                              3⤵
                                                                PID:1888
                                                            • C:\Windows\SysWOW64\net.exe
                                                              "net.exe" stop VSNAPVSS /y
                                                              2⤵
                                                                PID:1868
                                                                • C:\Windows\SysWOW64\net1.exe
                                                                  C:\Windows\system32\net1 stop VSNAPVSS /y
                                                                  3⤵
                                                                    PID:1908
                                                                • C:\Windows\SysWOW64\net.exe
                                                                  "net.exe" stop VeeamTransportSvc /y
                                                                  2⤵
                                                                    PID:1956
                                                                    • C:\Windows\SysWOW64\net1.exe
                                                                      C:\Windows\system32\net1 stop VeeamTransportSvc /y
                                                                      3⤵
                                                                        PID:1940
                                                                    • C:\Windows\SysWOW64\net.exe
                                                                      "net.exe" stop VeeamDeploymentService /y
                                                                      2⤵
                                                                        PID:1920
                                                                        • C:\Windows\SysWOW64\net1.exe
                                                                          C:\Windows\system32\net1 stop VeeamDeploymentService /y
                                                                          3⤵
                                                                            PID:2012
                                                                        • C:\Windows\SysWOW64\net.exe
                                                                          "net.exe" stop VeeamNFSSvc /y
                                                                          2⤵
                                                                            PID:1088
                                                                            • C:\Windows\SysWOW64\net1.exe
                                                                              C:\Windows\system32\net1 stop VeeamNFSSvc /y
                                                                              3⤵
                                                                                PID:1092
                                                                            • C:\Windows\SysWOW64\net.exe
                                                                              "net.exe" stop veeam /y
                                                                              2⤵
                                                                                PID:988
                                                                                • C:\Windows\SysWOW64\net1.exe
                                                                                  C:\Windows\system32\net1 stop veeam /y
                                                                                  3⤵
                                                                                    PID:2028
                                                                                • C:\Windows\SysWOW64\net.exe
                                                                                  "net.exe" stop PDVFSService /y
                                                                                  2⤵
                                                                                    PID:2036
                                                                                    • C:\Windows\SysWOW64\net1.exe
                                                                                      C:\Windows\system32\net1 stop PDVFSService /y
                                                                                      3⤵
                                                                                        PID:1552
                                                                                    • C:\Windows\SysWOW64\net.exe
                                                                                      "net.exe" stop BackupExecVSSProvider /y
                                                                                      2⤵
                                                                                        PID:1468
                                                                                        • C:\Windows\SysWOW64\net1.exe
                                                                                          C:\Windows\system32\net1 stop BackupExecVSSProvider /y
                                                                                          3⤵
                                                                                            PID:1408
                                                                                        • C:\Windows\SysWOW64\net.exe
                                                                                          "net.exe" stop BackupExecAgentAccelerator /y
                                                                                          2⤵
                                                                                            PID:1500
                                                                                            • C:\Windows\SysWOW64\net1.exe
                                                                                              C:\Windows\system32\net1 stop BackupExecAgentAccelerator /y
                                                                                              3⤵
                                                                                                PID:1472
                                                                                            • C:\Windows\SysWOW64\net.exe
                                                                                              "net.exe" stop BackupExecAgentBrowser /y
                                                                                              2⤵
                                                                                                PID:1616
                                                                                                • C:\Windows\SysWOW64\net1.exe
                                                                                                  C:\Windows\system32\net1 stop BackupExecAgentBrowser /y
                                                                                                  3⤵
                                                                                                    PID:800
                                                                                                • C:\Windows\SysWOW64\net.exe
                                                                                                  "net.exe" stop BackupExecDiveciMediaService /y
                                                                                                  2⤵
                                                                                                    PID:324
                                                                                                    • C:\Windows\SysWOW64\net1.exe
                                                                                                      C:\Windows\system32\net1 stop BackupExecDiveciMediaService /y
                                                                                                      3⤵
                                                                                                        PID:1036
                                                                                                    • C:\Windows\SysWOW64\net.exe
                                                                                                      "net.exe" stop BackupExecJobEngine /y
                                                                                                      2⤵
                                                                                                        PID:1056
                                                                                                        • C:\Windows\SysWOW64\net1.exe
                                                                                                          C:\Windows\system32\net1 stop BackupExecJobEngine /y
                                                                                                          3⤵
                                                                                                            PID:1520
                                                                                                        • C:\Windows\SysWOW64\net.exe
                                                                                                          "net.exe" stop BackupExecManagementService /y
                                                                                                          2⤵
                                                                                                            PID:1528
                                                                                                            • C:\Windows\SysWOW64\net1.exe
                                                                                                              C:\Windows\system32\net1 stop BackupExecManagementService /y
                                                                                                              3⤵
                                                                                                                PID:1492
                                                                                                            • C:\Windows\SysWOW64\net.exe
                                                                                                              "net.exe" stop BackupExecRPCService /y
                                                                                                              2⤵
                                                                                                                PID:1672
                                                                                                                • C:\Windows\SysWOW64\net1.exe
                                                                                                                  C:\Windows\system32\net1 stop BackupExecRPCService /y
                                                                                                                  3⤵
                                                                                                                    PID:1784
                                                                                                                • C:\Windows\SysWOW64\net.exe
                                                                                                                  "net.exe" stop AcrSch2Svc /y
                                                                                                                  2⤵
                                                                                                                    PID:1736
                                                                                                                    • C:\Windows\SysWOW64\net1.exe
                                                                                                                      C:\Windows\system32\net1 stop AcrSch2Svc /y
                                                                                                                      3⤵
                                                                                                                        PID:1804
                                                                                                                    • C:\Windows\SysWOW64\net.exe
                                                                                                                      "net.exe" stop AcronisAgent /y
                                                                                                                      2⤵
                                                                                                                        PID:1756
                                                                                                                        • C:\Windows\SysWOW64\net1.exe
                                                                                                                          C:\Windows\system32\net1 stop AcronisAgent /y
                                                                                                                          3⤵
                                                                                                                            PID:320
                                                                                                                        • C:\Windows\SysWOW64\net.exe
                                                                                                                          "net.exe" stop CASAD2DWebSvc /y
                                                                                                                          2⤵
                                                                                                                            PID:768
                                                                                                                            • C:\Windows\SysWOW64\net1.exe
                                                                                                                              C:\Windows\system32\net1 stop CASAD2DWebSvc /y
                                                                                                                              3⤵
                                                                                                                                PID:1212
                                                                                                                            • C:\Windows\SysWOW64\net.exe
                                                                                                                              "net.exe" stop CAARCUpdateSvc /y
                                                                                                                              2⤵
                                                                                                                                PID:692
                                                                                                                                • C:\Windows\SysWOW64\net1.exe
                                                                                                                                  C:\Windows\system32\net1 stop CAARCUpdateSvc /y
                                                                                                                                  3⤵
                                                                                                                                    PID:1512
                                                                                                                                • C:\Windows\SysWOW64\net.exe
                                                                                                                                  "net.exe" stop sophos /y
                                                                                                                                  2⤵
                                                                                                                                    PID:1144
                                                                                                                                    • C:\Windows\SysWOW64\net1.exe
                                                                                                                                      C:\Windows\system32\net1 stop sophos /y
                                                                                                                                      3⤵
                                                                                                                                        PID:1332
                                                                                                                                    • C:\Windows\SysWOW64\sc.exe
                                                                                                                                      "sc.exe" config SQLTELEMETRY start= disabled
                                                                                                                                      2⤵
                                                                                                                                        PID:568
                                                                                                                                      • C:\Windows\SysWOW64\sc.exe
                                                                                                                                        "sc.exe" config SQLTELEMETRY$ECWDB2 start= disabled
                                                                                                                                        2⤵
                                                                                                                                          PID:1640
                                                                                                                                        • C:\Windows\SysWOW64\sc.exe
                                                                                                                                          "sc.exe" config SQLWriter start= disabled
                                                                                                                                          2⤵
                                                                                                                                            PID:1636
                                                                                                                                          • C:\Windows\SysWOW64\sc.exe
                                                                                                                                            "sc.exe" config SstpSvc start= disabled
                                                                                                                                            2⤵
                                                                                                                                              PID:1544
                                                                                                                                            • C:\Windows\SysWOW64\taskkill.exe
                                                                                                                                              "taskkill.exe" /IM mspub.exe /F
                                                                                                                                              2⤵
                                                                                                                                              • Kills process with taskkill
                                                                                                                                              • Suspicious use of AdjustPrivilegeToken
                                                                                                                                              PID:1896
                                                                                                                                            • C:\Windows\SysWOW64\taskkill.exe
                                                                                                                                              "taskkill.exe" /IM mydesktopqos.exe /F
                                                                                                                                              2⤵
                                                                                                                                              • Kills process with taskkill
                                                                                                                                              • Suspicious use of AdjustPrivilegeToken
                                                                                                                                              PID:1092
                                                                                                                                            • C:\Windows\SysWOW64\taskkill.exe
                                                                                                                                              "taskkill.exe" /IM mydesktopservice.exe /F
                                                                                                                                              2⤵
                                                                                                                                              • Kills process with taskkill
                                                                                                                                              • Suspicious use of AdjustPrivilegeToken
                                                                                                                                              PID:1484
                                                                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                                                                              "vssadmin.exe" Delete Shadows /all /quiet
                                                                                                                                              2⤵
                                                                                                                                              • Interacts with shadow copies
                                                                                                                                              PID:1320
                                                                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                                                                              "vssadmin.exe" resize shadowstorage /for=c: /on=c: /maxsize=401MB
                                                                                                                                              2⤵
                                                                                                                                              • Interacts with shadow copies
                                                                                                                                              PID:1072
                                                                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                                                                              "vssadmin.exe" resize shadowstorage /for=c: /on=c: /maxsize=unbounded
                                                                                                                                              2⤵
                                                                                                                                              • Interacts with shadow copies
                                                                                                                                              PID:1032
                                                                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                                                                              "vssadmin.exe" resize shadowstorage /for=d: /on=d: /maxsize=401MB
                                                                                                                                              2⤵
                                                                                                                                              • Interacts with shadow copies
                                                                                                                                              PID:1772
                                                                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                                                                              "vssadmin.exe" resize shadowstorage /for=d: /on=d: /maxsize=unbounded
                                                                                                                                              2⤵
                                                                                                                                              • Interacts with shadow copies
                                                                                                                                              PID:1764
                                                                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                                                                              "vssadmin.exe" resize shadowstorage /for=e: /on=e: /maxsize=401MB
                                                                                                                                              2⤵
                                                                                                                                              • Interacts with shadow copies
                                                                                                                                              PID:1512
                                                                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                                                                              "vssadmin.exe" resize shadowstorage /for=e: /on=e: /maxsize=unbounded
                                                                                                                                              2⤵
                                                                                                                                              • Interacts with shadow copies
                                                                                                                                              PID:1580
                                                                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                                                                              "vssadmin.exe" resize shadowstorage /for=f: /on=f: /maxsize=401MB
                                                                                                                                              2⤵
                                                                                                                                              • Interacts with shadow copies
                                                                                                                                              PID:1540
                                                                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                                                                              "vssadmin.exe" resize shadowstorage /for=f: /on=f: /maxsize=unbounded
                                                                                                                                              2⤵
                                                                                                                                              • Interacts with shadow copies
                                                                                                                                              PID:1944
                                                                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                                                                              "vssadmin.exe" resize shadowstorage /for=g: /on=g: /maxsize=401MB
                                                                                                                                              2⤵
                                                                                                                                              • Interacts with shadow copies
                                                                                                                                              PID:2040
                                                                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                                                                              "vssadmin.exe" resize shadowstorage /for=g: /on=g: /maxsize=unbounded
                                                                                                                                              2⤵
                                                                                                                                              • Interacts with shadow copies
                                                                                                                                              PID:1408
                                                                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                                                                              "vssadmin.exe" resize shadowstorage /for=h: /on=h: /maxsize=401MB
                                                                                                                                              2⤵
                                                                                                                                              • Interacts with shadow copies
                                                                                                                                              PID:1504
                                                                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                                                                              "vssadmin.exe" resize shadowstorage /for=h: /on=h: /maxsize=unbounded
                                                                                                                                              2⤵
                                                                                                                                              • Interacts with shadow copies
                                                                                                                                              PID:1336
                                                                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                                                                              "vssadmin.exe" Delete Shadows /all /quiet
                                                                                                                                              2⤵
                                                                                                                                              • Interacts with shadow copies
                                                                                                                                              PID:1784
                                                                                                                                            • C:\Windows\SysWOW64\arp.exe
                                                                                                                                              "arp" -a
                                                                                                                                              2⤵
                                                                                                                                                PID:656
                                                                                                                                              • C:\Windows\SysWOW64\notepad.exe
                                                                                                                                                "C:\Windows\System32\notepad.exe" C:\Users\Admin\Desktop\HELP_ME_RECOVER_MY_FILES.txt
                                                                                                                                                2⤵
                                                                                                                                                • Opens file in notepad (likely ransom note)
                                                                                                                                                PID:1792
                                                                                                                                              • C:\Windows\SysWOW64\WerFault.exe
                                                                                                                                                C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 604
                                                                                                                                                2⤵
                                                                                                                                                • Program crash
                                                                                                                                                • Suspicious use of AdjustPrivilegeToken
                                                                                                                                                • Suspicious behavior: EnumeratesProcesses
                                                                                                                                                PID:1744
                                                                                                                                            • C:\Windows\system32\vssvc.exe
                                                                                                                                              C:\Windows\system32\vssvc.exe
                                                                                                                                              1⤵
                                                                                                                                              • Modifies service
                                                                                                                                              • Suspicious use of AdjustPrivilegeToken
                                                                                                                                              PID:756
                                                                                                                                            • C:\Windows\explorer.exe
                                                                                                                                              "C:\Windows\explorer.exe"
                                                                                                                                              1⤵
                                                                                                                                                PID:1076

                                                                                                                                              Network

                                                                                                                                              MITRE ATT&CK Enterprise v6

                                                                                                                                              Replay Monitor

                                                                                                                                              Loading Replay Monitor...

                                                                                                                                              Downloads

                                                                                                                                              • memory/1744-1-0x0000000001E10000-0x0000000001E21000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                68KB

                                                                                                                                              • memory/1744-2-0x00000000026E0000-0x00000000026F1000-memory.dmp

                                                                                                                                                Filesize

                                                                                                                                                68KB