Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    08-05-2021 12:16

General

  • Target

    AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe

  • Size

    444KB

  • MD5

    fd442753c3895d868eed72f7854e2fba

  • SHA1

    477dc12f213dd05a15b61207926b478d3a0d04c7

  • SHA256

    aadde71205336ccdd048f0b5029becbbcd03e741045f406b2fa819b909809202

  • SHA512

    1a7ff91196019abe9dfa93bfaca299ecd87693ef173560951b4d55f9d0c66355535bef724de26865205419e7638e57c762e332d7eff85187e9695f0a92e1d0c2

Malware Config

Signatures

  • CrypVault

    Ransomware family which makes encrypted files look like they have been quarantined by AV.

  • Pony,Fareit

    Pony is a Remote Access Trojan application that steals information.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops startup file 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Office loads VBA resources, possible macro or embedded object present
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 10 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe
    "C:\Users\Admin\AppData\Local\Temp\AADDE71205336CCDD048F0B5029BECBBCD03E741045F4.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1820
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c echo 2D4F861D8DCF8C8F
      2⤵
        PID:1168
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ren "C:\Users\Admin\AppData\Local\Temp\CF8C8F" 7za.exe
        2⤵
          PID:1928
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c echo 2D4F861D8DCF8C8F
          2⤵
            PID:1952
          • C:\Users\Admin\AppData\Local\Temp\7za.exe
            "C:\Users\Admin\AppData\Local\Temp\7za.exe" e "C:\Users\Admin\AppData\Local\Temp\2D4F861D8D" -y -p2D4F861D8D
            2⤵
            • Executes dropped EXE
            PID:1720
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c echo 2D4F861D8DCF8C8F
            2⤵
              PID:1204
            • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
              "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2D4F861D8D.doc"
              2⤵
              • Drops file in Windows directory
              • Modifies Internet Explorer settings
              • Suspicious behavior: AddClipboardFormatListener
              • Suspicious use of SetWindowsHookEx
              PID:1628
              • C:\Windows\splwow64.exe
                C:\Windows\splwow64.exe 12288
                3⤵
                  PID:236
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c echo 2D4F861D8DCF8C8F
                2⤵
                  PID:1624
                • C:\Users\Admin\AppData\Local\Temp\2D4F861D8D.exe
                  "C:\Users\Admin\AppData\Local\Temp\2D4F861D8D.exe"
                  2⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  PID:648
                  • C:\Users\Admin\AppData\Local\Temp\2D4F861D8D.exe
                    "C:\Users\Admin\AppData\Local\Temp\2D4F861D8D.exe"
                    3⤵
                    • Executes dropped EXE
                    • Drops startup file
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:1636
                    • C:\Windows\SysWOW64\mshta.exe
                      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\VAULT.hta"
                      4⤵
                      • Modifies Internet Explorer settings
                      PID:920
                    • C:\Windows\SysWOW64\wbem\WMIC.exe
                      "C:\Windows\System32\wbem\WMIC.exe" process call create "cmd.exe /c vssadmin.exe delete shadows /all /quiet & bcdedit.exe /set {default} recoveryenabled no & bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures"
                      4⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:780
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\System32\cmd.exe" /c echo 2D4F861D8DCF8C8F
                  2⤵
                    PID:616
                • C:\Windows\system32\cmd.exe
                  cmd.exe /c vssadmin.exe delete shadows /all /quiet & bcdedit.exe /set {default} recoveryenabled no & bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
                  1⤵
                  • Process spawned unexpected child process
                  • Suspicious use of WriteProcessMemory
                  PID:1288
                  • C:\Windows\system32\vssadmin.exe
                    vssadmin.exe delete shadows /all /quiet
                    2⤵
                    • Interacts with shadow copies
                    PID:2000
                  • C:\Windows\system32\bcdedit.exe
                    bcdedit.exe /set {default} recoveryenabled no
                    2⤵
                    • Modifies boot configuration data using bcdedit
                    PID:936
                  • C:\Windows\system32\bcdedit.exe
                    bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
                    2⤵
                    • Modifies boot configuration data using bcdedit
                    PID:1644
                • C:\Windows\system32\vssvc.exe
                  C:\Windows\system32\vssvc.exe
                  1⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1684

                Network

                MITRE ATT&CK Matrix ATT&CK v6

                Defense Evasion

                File Deletion

                2
                T1107

                Modify Registry

                1
                T1112

                Credential Access

                Credentials in Files

                1
                T1081

                Discovery

                Query Registry

                1
                T1012

                System Information Discovery

                1
                T1082

                Collection

                Data from Local System

                1
                T1005

                Impact

                Inhibit System Recovery

                3
                T1490

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Documents and Settings\Admin\AppData\Local\Temp\2D4F861D8D.doc
                  MD5

                  efcd0a5ec6bb1d981333bf9dea7a72ee

                  SHA1

                  b9ca0a20adcf6c69dd626e0de86468e4a5514fe3

                  SHA256

                  718e07ae563bcf629616ac3f056930e804af88e38377b98629ba60257f666699

                  SHA512

                  dd41d489164891a5c8c2c582f77f6b8c8b54360849ec38b7af0fec4b28137172a4ef9cc2fe6eb10726431152751f3affbc1dd19671bff841742404d809180457

                • C:\Users\Admin\AppData\Local\Temp\2D4F861D8D
                  MD5

                  efe5c5a45d6b6746daa3272d09e175d7

                  SHA1

                  80a805c3e5a73a121ecbc2c2aed0b2e846890477

                  SHA256

                  5f0156b73d2b9f5d0a999734812ca0d0881fe683a331737df9ded5d24a145271

                  SHA512

                  410553b0c58e699fb83557815cdc4e22dec1b14e870326f62dd09c2e26bd8d5c8a1fde66470a55f1cfa4b076be66747595f83cfa71070d38c6d7f01846b70a75

                • C:\Users\Admin\AppData\Local\Temp\2D4F861D8D.exe
                  MD5

                  810f74773b1d921274c3766df5c00445

                  SHA1

                  90d547916e077dbb6fe56b215df4bc86b936a6f6

                  SHA256

                  55eee544f1210a27540b418936b2e1240dcf6818fb4023374596621a91f6438f

                  SHA512

                  e4d8d6ae1629021e28a55e459e1e8835142a19c3c9c97b195a523e2487cac6f46e366b3c0c39ef504e1943d7c74c76d461c963d0153dca1fadf3452c499f7388

                • C:\Users\Admin\AppData\Local\Temp\2D4F861D8D.exe
                  MD5

                  810f74773b1d921274c3766df5c00445

                  SHA1

                  90d547916e077dbb6fe56b215df4bc86b936a6f6

                  SHA256

                  55eee544f1210a27540b418936b2e1240dcf6818fb4023374596621a91f6438f

                  SHA512

                  e4d8d6ae1629021e28a55e459e1e8835142a19c3c9c97b195a523e2487cac6f46e366b3c0c39ef504e1943d7c74c76d461c963d0153dca1fadf3452c499f7388

                • C:\Users\Admin\AppData\Local\Temp\2D4F861D8D.exe
                  MD5

                  810f74773b1d921274c3766df5c00445

                  SHA1

                  90d547916e077dbb6fe56b215df4bc86b936a6f6

                  SHA256

                  55eee544f1210a27540b418936b2e1240dcf6818fb4023374596621a91f6438f

                  SHA512

                  e4d8d6ae1629021e28a55e459e1e8835142a19c3c9c97b195a523e2487cac6f46e366b3c0c39ef504e1943d7c74c76d461c963d0153dca1fadf3452c499f7388

                • C:\Users\Admin\AppData\Local\Temp\7za.exe
                  MD5

                  42badc1d2f03a8b1e4875740d3d49336

                  SHA1

                  cee178da1fb05f99af7a3547093122893bd1eb46

                  SHA256

                  c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

                  SHA512

                  6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

                • C:\Users\Admin\AppData\Local\Temp\CF8C8F
                  MD5

                  42badc1d2f03a8b1e4875740d3d49336

                  SHA1

                  cee178da1fb05f99af7a3547093122893bd1eb46

                  SHA256

                  c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

                  SHA512

                  6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

                • C:\Users\Admin\Desktop\VAULT.hta
                  MD5

                  1cf60361078e1c2f1219d27c4b3e760c

                  SHA1

                  08d350d205da687672b13e22b253932dd1708e75

                  SHA256

                  c2d9c1bd8bb434dffd5ebbd0e8020ee73123f2e8134b19cbde4b6458f0d05a43

                  SHA512

                  90f973c08c663dc7ca8575196ca2d6939bbeb9e1943268e8c8bae3b5cd895e85f654726924c86a0f1ffca4830f05c75ac6e80b44d4adeff345e9ff2cacaacccb

                • \Users\Admin\AppData\Local\Temp\2D4F861D8D.exe
                  MD5

                  810f74773b1d921274c3766df5c00445

                  SHA1

                  90d547916e077dbb6fe56b215df4bc86b936a6f6

                  SHA256

                  55eee544f1210a27540b418936b2e1240dcf6818fb4023374596621a91f6438f

                  SHA512

                  e4d8d6ae1629021e28a55e459e1e8835142a19c3c9c97b195a523e2487cac6f46e366b3c0c39ef504e1943d7c74c76d461c963d0153dca1fadf3452c499f7388

                • \Users\Admin\AppData\Local\Temp\2D4F861D8D.exe
                  MD5

                  810f74773b1d921274c3766df5c00445

                  SHA1

                  90d547916e077dbb6fe56b215df4bc86b936a6f6

                  SHA256

                  55eee544f1210a27540b418936b2e1240dcf6818fb4023374596621a91f6438f

                  SHA512

                  e4d8d6ae1629021e28a55e459e1e8835142a19c3c9c97b195a523e2487cac6f46e366b3c0c39ef504e1943d7c74c76d461c963d0153dca1fadf3452c499f7388

                • \Users\Admin\AppData\Local\Temp\2D4F861D8D.exe
                  MD5

                  810f74773b1d921274c3766df5c00445

                  SHA1

                  90d547916e077dbb6fe56b215df4bc86b936a6f6

                  SHA256

                  55eee544f1210a27540b418936b2e1240dcf6818fb4023374596621a91f6438f

                  SHA512

                  e4d8d6ae1629021e28a55e459e1e8835142a19c3c9c97b195a523e2487cac6f46e366b3c0c39ef504e1943d7c74c76d461c963d0153dca1fadf3452c499f7388

                • \Users\Admin\AppData\Local\Temp\7za.exe
                  MD5

                  42badc1d2f03a8b1e4875740d3d49336

                  SHA1

                  cee178da1fb05f99af7a3547093122893bd1eb46

                  SHA256

                  c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

                  SHA512

                  6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

                • \Users\Admin\AppData\Local\Temp\7za.exe
                  MD5

                  42badc1d2f03a8b1e4875740d3d49336

                  SHA1

                  cee178da1fb05f99af7a3547093122893bd1eb46

                  SHA256

                  c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

                  SHA512

                  6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

                • memory/236-97-0x0000000000000000-mapping.dmp
                • memory/236-98-0x000007FEFBED1000-0x000007FEFBED3000-memory.dmp
                  Filesize

                  8KB

                • memory/616-78-0x0000000000000000-mapping.dmp
                • memory/648-76-0x0000000000000000-mapping.dmp
                • memory/648-87-0x0000000000280000-0x0000000000285000-memory.dmp
                  Filesize

                  20KB

                • memory/780-92-0x0000000000000000-mapping.dmp
                • memory/920-91-0x0000000000000000-mapping.dmp
                • memory/936-95-0x0000000000000000-mapping.dmp
                • memory/1168-61-0x0000000000000000-mapping.dmp
                • memory/1204-70-0x0000000000000000-mapping.dmp
                • memory/1624-72-0x0000000000000000-mapping.dmp
                • memory/1628-71-0x0000000000000000-mapping.dmp
                • memory/1628-79-0x0000000072791000-0x0000000072794000-memory.dmp
                  Filesize

                  12KB

                • memory/1628-89-0x000000005FFF0000-0x0000000060000000-memory.dmp
                  Filesize

                  64KB

                • memory/1628-80-0x000000006FF41000-0x000000006FF43000-memory.dmp
                  Filesize

                  8KB

                • memory/1628-99-0x000000005FFF0000-0x0000000060000000-memory.dmp
                  Filesize

                  64KB

                • memory/1636-84-0x0000000000418C90-mapping.dmp
                • memory/1636-88-0x0000000000400000-0x000000000041A000-memory.dmp
                  Filesize

                  104KB

                • memory/1636-83-0x0000000000400000-0x0000000000E28000-memory.dmp
                  Filesize

                  10.2MB

                • memory/1644-96-0x0000000000000000-mapping.dmp
                • memory/1720-67-0x0000000000000000-mapping.dmp
                • memory/1820-60-0x0000000076641000-0x0000000076643000-memory.dmp
                  Filesize

                  8KB

                • memory/1928-62-0x0000000000000000-mapping.dmp
                • memory/1952-64-0x0000000000000000-mapping.dmp
                • memory/2000-94-0x0000000000000000-mapping.dmp