Resubmissions

12/11/2021, 04:09

211112-eqr79acfc6 8

09/11/2021, 17:36

211109-v6z6ssffc5 10

Analysis

  • max time kernel
    136s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    09/11/2021, 17:36

General

  • Target

    88f7544a29a2ceb175a135d9fa221cbfd3e8c71f32dd6b09399717f85ea9afd1.exe_.exe

  • Size

    764KB

  • MD5

    2f9fc82898d718f2abe99c4a6fa79e69

  • SHA1

    9d336b8911c8ffd7cc809e31d5b53796bb0cc7bb

  • SHA256

    88f7544a29a2ceb175a135d9fa221cbfd3e8c71f32dd6b09399717f85ea9afd1

  • SHA512

    19f0879b1c54d305ab7a97a0d46ab79c103d4687fe37d5f9ef1934904eea48a1c66b1ac2de3dace6dc0d91623309287044c198cb0b3fc9f8453fbc9d1c0cae8b

Malware Config

Signatures

  • Hive

    A ransomware written in Golang first seen in June 2021.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Drops file in Drivers directory 20 IoCs
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Delays execution with timeout.exe 64 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88f7544a29a2ceb175a135d9fa221cbfd3e8c71f32dd6b09399717f85ea9afd1.exe_.exe
    "C:\Users\Admin\AppData\Local\Temp\88f7544a29a2ceb175a135d9fa221cbfd3e8c71f32dd6b09399717f85ea9afd1.exe_.exe"
    1⤵
    • Drops file in Drivers directory
    • Modifies extensions of user files
    • Drops startup file
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1468
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c hive.bat >NUL 2>NUL
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:636
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
          PID:1708
        • C:\Windows\SysWOW64\timeout.exe
          timeout 1
          3⤵
            PID:1944
          • C:\Windows\SysWOW64\timeout.exe
            timeout 1
            3⤵
            • Delays execution with timeout.exe
            PID:1532
          • C:\Windows\SysWOW64\timeout.exe
            timeout 1
            3⤵
              PID:1680
            • C:\Windows\SysWOW64\timeout.exe
              timeout 1
              3⤵
              • Delays execution with timeout.exe
              PID:1180
            • C:\Windows\SysWOW64\timeout.exe
              timeout 1
              3⤵
              • Delays execution with timeout.exe
              PID:876
            • C:\Windows\SysWOW64\timeout.exe
              timeout 1
              3⤵
                PID:1488
              • C:\Windows\SysWOW64\timeout.exe
                timeout 1
                3⤵
                • Delays execution with timeout.exe
                PID:1500
              • C:\Windows\SysWOW64\timeout.exe
                timeout 1
                3⤵
                • Delays execution with timeout.exe
                PID:1112
              • C:\Windows\SysWOW64\timeout.exe
                timeout 1
                3⤵
                • Delays execution with timeout.exe
                PID:1780
              • C:\Windows\SysWOW64\timeout.exe
                timeout 1
                3⤵
                  PID:1048
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 1
                  3⤵
                  • Delays execution with timeout.exe
                  PID:1188
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 1
                  3⤵
                  • Delays execution with timeout.exe
                  PID:1496
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 1
                  3⤵
                  • Delays execution with timeout.exe
                  PID:1924
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 1
                  3⤵
                  • Delays execution with timeout.exe
                  PID:1416
                • C:\Windows\SysWOW64\timeout.exe
                  timeout 1
                  3⤵
                    PID:2004
                  • C:\Windows\SysWOW64\timeout.exe
                    timeout 1
                    3⤵
                      PID:1136
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout 1
                      3⤵
                      • Delays execution with timeout.exe
                      PID:904
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout 1
                      3⤵
                      • Delays execution with timeout.exe
                      PID:992
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout 1
                      3⤵
                        PID:952
                      • C:\Windows\SysWOW64\timeout.exe
                        timeout 1
                        3⤵
                        • Delays execution with timeout.exe
                        PID:1124
                      • C:\Windows\SysWOW64\timeout.exe
                        timeout 1
                        3⤵
                          PID:1388
                        • C:\Windows\SysWOW64\timeout.exe
                          timeout 1
                          3⤵
                            PID:1608
                          • C:\Windows\SysWOW64\timeout.exe
                            timeout 1
                            3⤵
                              PID:1612
                            • C:\Windows\SysWOW64\timeout.exe
                              timeout 1
                              3⤵
                                PID:1604
                              • C:\Windows\SysWOW64\timeout.exe
                                timeout 1
                                3⤵
                                • Delays execution with timeout.exe
                                PID:1580
                              • C:\Windows\SysWOW64\timeout.exe
                                timeout 1
                                3⤵
                                • Delays execution with timeout.exe
                                PID:1244
                              • C:\Windows\SysWOW64\timeout.exe
                                timeout 1
                                3⤵
                                • Delays execution with timeout.exe
                                PID:608
                              • C:\Windows\SysWOW64\timeout.exe
                                timeout 1
                                3⤵
                                  PID:1192
                                • C:\Windows\SysWOW64\timeout.exe
                                  timeout 1
                                  3⤵
                                    PID:436
                                  • C:\Windows\SysWOW64\timeout.exe
                                    timeout 1
                                    3⤵
                                    • Delays execution with timeout.exe
                                    PID:2032
                                  • C:\Windows\SysWOW64\timeout.exe
                                    timeout 1
                                    3⤵
                                    • Delays execution with timeout.exe
                                    PID:824
                                  • C:\Windows\SysWOW64\timeout.exe
                                    timeout 1
                                    3⤵
                                      PID:1596
                                    • C:\Windows\SysWOW64\timeout.exe
                                      timeout 1
                                      3⤵
                                      • Delays execution with timeout.exe
                                      PID:972
                                    • C:\Windows\SysWOW64\timeout.exe
                                      timeout 1
                                      3⤵
                                        PID:1840
                                      • C:\Windows\SysWOW64\timeout.exe
                                        timeout 1
                                        3⤵
                                          PID:1000
                                        • C:\Windows\SysWOW64\timeout.exe
                                          timeout 1
                                          3⤵
                                          • Delays execution with timeout.exe
                                          PID:1624
                                        • C:\Windows\SysWOW64\timeout.exe
                                          timeout 1
                                          3⤵
                                            PID:1668
                                          • C:\Windows\SysWOW64\timeout.exe
                                            timeout 1
                                            3⤵
                                              PID:1848
                                            • C:\Windows\SysWOW64\timeout.exe
                                              timeout 1
                                              3⤵
                                                PID:1908
                                              • C:\Windows\SysWOW64\timeout.exe
                                                timeout 1
                                                3⤵
                                                • Delays execution with timeout.exe
                                                PID:1732
                                              • C:\Windows\SysWOW64\timeout.exe
                                                timeout 1
                                                3⤵
                                                  PID:1800
                                                • C:\Windows\SysWOW64\timeout.exe
                                                  timeout 1
                                                  3⤵
                                                  • Delays execution with timeout.exe
                                                  PID:1776
                                                • C:\Windows\SysWOW64\timeout.exe
                                                  timeout 1
                                                  3⤵
                                                  • Delays execution with timeout.exe
                                                  PID:2008
                                                • C:\Windows\SysWOW64\timeout.exe
                                                  timeout 1
                                                  3⤵
                                                  • Delays execution with timeout.exe
                                                  PID:2040
                                                • C:\Windows\SysWOW64\timeout.exe
                                                  timeout 1
                                                  3⤵
                                                    PID:1172
                                                  • C:\Windows\SysWOW64\timeout.exe
                                                    timeout 1
                                                    3⤵
                                                    • Delays execution with timeout.exe
                                                    PID:1924
                                                  • C:\Windows\SysWOW64\timeout.exe
                                                    timeout 1
                                                    3⤵
                                                    • Delays execution with timeout.exe
                                                    PID:1416
                                                  • C:\Windows\SysWOW64\timeout.exe
                                                    timeout 1
                                                    3⤵
                                                      PID:2004
                                                    • C:\Windows\SysWOW64\timeout.exe
                                                      timeout 1
                                                      3⤵
                                                      • Delays execution with timeout.exe
                                                      PID:1136
                                                    • C:\Windows\SysWOW64\timeout.exe
                                                      timeout 1
                                                      3⤵
                                                      • Delays execution with timeout.exe
                                                      PID:984
                                                    • C:\Windows\SysWOW64\timeout.exe
                                                      timeout 1
                                                      3⤵
                                                        PID:960
                                                      • C:\Windows\SysWOW64\timeout.exe
                                                        timeout 1
                                                        3⤵
                                                        • Delays execution with timeout.exe
                                                        PID:1116
                                                      • C:\Windows\SysWOW64\timeout.exe
                                                        timeout 1
                                                        3⤵
                                                        • Delays execution with timeout.exe
                                                        PID:1764
                                                      • C:\Windows\SysWOW64\timeout.exe
                                                        timeout 1
                                                        3⤵
                                                        • Delays execution with timeout.exe
                                                        PID:1584
                                                      • C:\Windows\SysWOW64\timeout.exe
                                                        timeout 1
                                                        3⤵
                                                        • Delays execution with timeout.exe
                                                        PID:1736
                                                      • C:\Windows\SysWOW64\timeout.exe
                                                        timeout 1
                                                        3⤵
                                                        • Delays execution with timeout.exe
                                                        PID:368
                                                      • C:\Windows\SysWOW64\timeout.exe
                                                        timeout 1
                                                        3⤵
                                                          PID:288
                                                        • C:\Windows\SysWOW64\timeout.exe
                                                          timeout 1
                                                          3⤵
                                                            PID:592
                                                          • C:\Windows\SysWOW64\timeout.exe
                                                            timeout 1
                                                            3⤵
                                                              PID:608
                                                            • C:\Windows\SysWOW64\timeout.exe
                                                              timeout 1
                                                              3⤵
                                                              • Delays execution with timeout.exe
                                                              PID:396
                                                            • C:\Windows\SysWOW64\timeout.exe
                                                              timeout 1
                                                              3⤵
                                                              • Delays execution with timeout.exe
                                                              PID:2032
                                                            • C:\Windows\SysWOW64\timeout.exe
                                                              timeout 1
                                                              3⤵
                                                              • Delays execution with timeout.exe
                                                              PID:924
                                                            • C:\Windows\SysWOW64\timeout.exe
                                                              timeout 1
                                                              3⤵
                                                                PID:1308
                                                              • C:\Windows\SysWOW64\timeout.exe
                                                                timeout 1
                                                                3⤵
                                                                  PID:996
                                                                • C:\Windows\SysWOW64\timeout.exe
                                                                  timeout 1
                                                                  3⤵
                                                                  • Delays execution with timeout.exe
                                                                  PID:1488
                                                                • C:\Windows\SysWOW64\timeout.exe
                                                                  timeout 1
                                                                  3⤵
                                                                  • Delays execution with timeout.exe
                                                                  PID:1848
                                                                • C:\Windows\SysWOW64\timeout.exe
                                                                  timeout 1
                                                                  3⤵
                                                                  • Delays execution with timeout.exe
                                                                  PID:1916
                                                                • C:\Windows\SysWOW64\timeout.exe
                                                                  timeout 1
                                                                  3⤵
                                                                  • Delays execution with timeout.exe
                                                                  PID:1096
                                                                • C:\Windows\SysWOW64\timeout.exe
                                                                  timeout 1
                                                                  3⤵
                                                                    PID:1112
                                                                  • C:\Windows\SysWOW64\timeout.exe
                                                                    timeout 1
                                                                    3⤵
                                                                    • Delays execution with timeout.exe
                                                                    PID:1780
                                                                  • C:\Windows\SysWOW64\timeout.exe
                                                                    timeout 1
                                                                    3⤵
                                                                      PID:1760
                                                                    • C:\Windows\SysWOW64\timeout.exe
                                                                      timeout 1
                                                                      3⤵
                                                                      • Delays execution with timeout.exe
                                                                      PID:1920
                                                                    • C:\Windows\SysWOW64\timeout.exe
                                                                      timeout 1
                                                                      3⤵
                                                                        PID:1116
                                                                      • C:\Windows\SysWOW64\timeout.exe
                                                                        timeout 1
                                                                        3⤵
                                                                        • Delays execution with timeout.exe
                                                                        PID:1388
                                                                      • C:\Windows\SysWOW64\timeout.exe
                                                                        timeout 1
                                                                        3⤵
                                                                        • Delays execution with timeout.exe
                                                                        PID:1460
                                                                      • C:\Windows\SysWOW64\timeout.exe
                                                                        timeout 1
                                                                        3⤵
                                                                          PID:1584
                                                                        • C:\Windows\SysWOW64\timeout.exe
                                                                          timeout 1
                                                                          3⤵
                                                                            PID:1612
                                                                          • C:\Windows\SysWOW64\timeout.exe
                                                                            timeout 1
                                                                            3⤵
                                                                            • Delays execution with timeout.exe
                                                                            PID:1604
                                                                          • C:\Windows\SysWOW64\timeout.exe
                                                                            timeout 1
                                                                            3⤵
                                                                            • Delays execution with timeout.exe
                                                                            PID:1364
                                                                          • C:\Windows\SysWOW64\timeout.exe
                                                                            timeout 1
                                                                            3⤵
                                                                            • Delays execution with timeout.exe
                                                                            PID:288
                                                                          • C:\Windows\SysWOW64\timeout.exe
                                                                            timeout 1
                                                                            3⤵
                                                                            • Delays execution with timeout.exe
                                                                            PID:1244
                                                                          • C:\Windows\SysWOW64\timeout.exe
                                                                            timeout 1
                                                                            3⤵
                                                                              PID:516
                                                                            • C:\Windows\SysWOW64\timeout.exe
                                                                              timeout 1
                                                                              3⤵
                                                                              • Delays execution with timeout.exe
                                                                              PID:608
                                                                            • C:\Windows\SysWOW64\timeout.exe
                                                                              timeout 1
                                                                              3⤵
                                                                                PID:436
                                                                              • C:\Windows\SysWOW64\timeout.exe
                                                                                timeout 1
                                                                                3⤵
                                                                                • Delays execution with timeout.exe
                                                                                PID:1056
                                                                              • C:\Windows\SysWOW64\timeout.exe
                                                                                timeout 1
                                                                                3⤵
                                                                                  PID:1596
                                                                                • C:\Windows\SysWOW64\timeout.exe
                                                                                  timeout 1
                                                                                  3⤵
                                                                                  • Delays execution with timeout.exe
                                                                                  PID:1624
                                                                                • C:\Windows\SysWOW64\timeout.exe
                                                                                  timeout 1
                                                                                  3⤵
                                                                                    PID:1308
                                                                                  • C:\Windows\SysWOW64\timeout.exe
                                                                                    timeout 1
                                                                                    3⤵
                                                                                    • Delays execution with timeout.exe
                                                                                    PID:1488
                                                                                  • C:\Windows\SysWOW64\timeout.exe
                                                                                    timeout 1
                                                                                    3⤵
                                                                                    • Delays execution with timeout.exe
                                                                                    PID:980
                                                                                  • C:\Windows\SysWOW64\timeout.exe
                                                                                    timeout 1
                                                                                    3⤵
                                                                                      PID:112
                                                                                    • C:\Windows\SysWOW64\timeout.exe
                                                                                      timeout 1
                                                                                      3⤵
                                                                                      • Delays execution with timeout.exe
                                                                                      PID:1672
                                                                                    • C:\Windows\SysWOW64\timeout.exe
                                                                                      timeout 1
                                                                                      3⤵
                                                                                      • Delays execution with timeout.exe
                                                                                      PID:1916
                                                                                    • C:\Windows\SysWOW64\timeout.exe
                                                                                      timeout 1
                                                                                      3⤵
                                                                                      • Delays execution with timeout.exe
                                                                                      PID:1772
                                                                                    • C:\Windows\SysWOW64\timeout.exe
                                                                                      timeout 1
                                                                                      3⤵
                                                                                      • Delays execution with timeout.exe
                                                                                      PID:1840
                                                                                    • C:\Windows\SysWOW64\timeout.exe
                                                                                      timeout 1
                                                                                      3⤵
                                                                                        PID:1560
                                                                                      • C:\Windows\SysWOW64\timeout.exe
                                                                                        timeout 1
                                                                                        3⤵
                                                                                        • Delays execution with timeout.exe
                                                                                        PID:1392
                                                                                      • C:\Windows\SysWOW64\timeout.exe
                                                                                        timeout 1
                                                                                        3⤵
                                                                                        • Delays execution with timeout.exe
                                                                                        PID:1096
                                                                                      • C:\Windows\SysWOW64\timeout.exe
                                                                                        timeout 1
                                                                                        3⤵
                                                                                          PID:1112
                                                                                        • C:\Windows\SysWOW64\timeout.exe
                                                                                          timeout 1
                                                                                          3⤵
                                                                                          • Delays execution with timeout.exe
                                                                                          PID:1780
                                                                                        • C:\Windows\SysWOW64\timeout.exe
                                                                                          timeout 1
                                                                                          3⤵
                                                                                            PID:1748
                                                                                          • C:\Windows\SysWOW64\timeout.exe
                                                                                            timeout 1
                                                                                            3⤵
                                                                                            • Delays execution with timeout.exe
                                                                                            PID:1640
                                                                                          • C:\Windows\SysWOW64\timeout.exe
                                                                                            timeout 1
                                                                                            3⤵
                                                                                              PID:672
                                                                                            • C:\Windows\SysWOW64\timeout.exe
                                                                                              timeout 1
                                                                                              3⤵
                                                                                              • Delays execution with timeout.exe
                                                                                              PID:1752
                                                                                            • C:\Windows\SysWOW64\timeout.exe
                                                                                              timeout 1
                                                                                              3⤵
                                                                                              • Delays execution with timeout.exe
                                                                                              PID:1924
                                                                                            • C:\Windows\SysWOW64\timeout.exe
                                                                                              timeout 1
                                                                                              3⤵
                                                                                              • Delays execution with timeout.exe
                                                                                              PID:828
                                                                                          • C:\Windows\SysWOW64\cmd.exe
                                                                                            cmd /c shadow.bat >NUL 2>NUL
                                                                                            2⤵
                                                                                            • Suspicious use of WriteProcessMemory
                                                                                            PID:1652
                                                                                            • C:\Windows\SysWOW64\vssadmin.exe
                                                                                              vssadmin.exe delete shadows /all /quiet
                                                                                              3⤵
                                                                                              • Interacts with shadow copies
                                                                                              PID:1108
                                                                                        • C:\Windows\system32\vssvc.exe
                                                                                          C:\Windows\system32\vssvc.exe
                                                                                          1⤵
                                                                                          • Suspicious use of AdjustPrivilegeToken
                                                                                          PID:1852

                                                                                        Network

                                                                                        MITRE ATT&CK Enterprise v6

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