Analysis

  • max time kernel
    154s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 17:12

General

  • Target

    6c072b6405bcc7f998627eef9fd42bf2c4a97d97245eae9dd977aeb3f8f1dd43.exe

  • Size

    255KB

  • MD5

    cb1544825f6079d6905dca0feb41ed07

  • SHA1

    25f840f9e039d2d2818fc9832bc897b465c48537

  • SHA256

    6c072b6405bcc7f998627eef9fd42bf2c4a97d97245eae9dd977aeb3f8f1dd43

  • SHA512

    2ba6cd94647ca8ae06ae5ead4429ebbd23b989def0941bd70701f09ea560ba5cbd8cd8fcaca371c455602474a091732f64526b24f4791d1f7c88bc1116164fb7

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJf:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIm

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • UPX packed file 25 IoCs

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

  • 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.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 10 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 21 IoCs
  • Drops file in Windows directory 5 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
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 15 IoCs
  • Suspicious use of SendNotifyMessage 15 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c072b6405bcc7f998627eef9fd42bf2c4a97d97245eae9dd977aeb3f8f1dd43.exe
    "C:\Users\Admin\AppData\Local\Temp\6c072b6405bcc7f998627eef9fd42bf2c4a97d97245eae9dd977aeb3f8f1dd43.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Windows\SysWOW64\apypaebubt.exe
      apypaebubt.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1156
      • C:\Windows\SysWOW64\clopsaqu.exe
        C:\Windows\system32\clopsaqu.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:360
    • C:\Windows\SysWOW64\sjviqtrolouhplt.exe
      sjviqtrolouhplt.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:872
    • C:\Windows\SysWOW64\clopsaqu.exe
      clopsaqu.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:776
    • C:\Windows\SysWOW64\amxtayxnsivpe.exe
      amxtayxnsivpe.exe
      2⤵
      • Executes dropped EXE
      PID:1556
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:912

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Hidden Files and Directories

    2
    T1158

    Registry Run Keys / Startup Folder

    1
    T1060

    Winlogon Helper DLL

    1
    T1004

    Defense Evasion

    Hidden Files and Directories

    2
    T1158

    Modify Registry

    7
    T1112

    Disabling Security Tools

    2
    T1089

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe
      Filesize

      255KB

      MD5

      b8654da8370128fca2f0eb54665a6c3b

      SHA1

      8053b9e5ace655326702841c51a3c65943b968f3

      SHA256

      84ca041f3cbcda85b0755ac1a9c8e25eb1c859128b9625c2bd80b06842c6363e

      SHA512

      02af7ff355ca73789790cc51001fa0e69620a1dc80448cbd0c522ae709189cccdade9b0bc479d068f88568cb8bd7c761b036a887b12dcad02912737732f86f3c

    • C:\Windows\SysWOW64\amxtayxnsivpe.exe
      Filesize

      255KB

      MD5

      3e04093323e11e4c70951bf978d9e23c

      SHA1

      58a3ac508293e1d6fbb4002c69d9685c06961cfe

      SHA256

      737d12fd51f0e908a02b28c27960393d34c4456e9146bb3f20bedb8f69187746

      SHA512

      3fe3830d6110761b52ae39b942604de2b58403d74aa12e8b3ed244556bdc429a1078aba5ae24e5526b2cba04abc49e2a48e5951a42488346aa32094030b6ff0c

    • C:\Windows\SysWOW64\apypaebubt.exe
      Filesize

      255KB

      MD5

      362953a4c2470a2b9a21b246a5f30666

      SHA1

      0a04fb185e5f2d450eff3235439e46589395ff17

      SHA256

      6778a5f188c7bb032ad6e9e4419f34de4c93b6bb9fb225fbf27ed12aefb5356f

      SHA512

      f06b69b56437128210f32a2fd0afb7feb40a4043cb7dd1c860b93ae202a02af12156599a7bae01961ae89297ed6ca3286ee57591a6cc16e55510175340667ed5

    • C:\Windows\SysWOW64\apypaebubt.exe
      Filesize

      255KB

      MD5

      362953a4c2470a2b9a21b246a5f30666

      SHA1

      0a04fb185e5f2d450eff3235439e46589395ff17

      SHA256

      6778a5f188c7bb032ad6e9e4419f34de4c93b6bb9fb225fbf27ed12aefb5356f

      SHA512

      f06b69b56437128210f32a2fd0afb7feb40a4043cb7dd1c860b93ae202a02af12156599a7bae01961ae89297ed6ca3286ee57591a6cc16e55510175340667ed5

    • C:\Windows\SysWOW64\clopsaqu.exe
      Filesize

      255KB

      MD5

      12daba8a19ad8ff21f8297ac7189522f

      SHA1

      7e9e7bc6a03499c8f67a78799efb5d8350ea15bc

      SHA256

      eb4ec5818db62869603651579faa448d7e43bb8fa08ed5ee3587ff47c5d3dd8a

      SHA512

      b40e1e18361761a5c60d73f38f11ed11c3dedd16b28c56042b4e0ad41c1f12a88168560a2be478ae052c2203f18fead3719d7756e3fa84d7746773eb40d6936f

    • C:\Windows\SysWOW64\clopsaqu.exe
      Filesize

      255KB

      MD5

      12daba8a19ad8ff21f8297ac7189522f

      SHA1

      7e9e7bc6a03499c8f67a78799efb5d8350ea15bc

      SHA256

      eb4ec5818db62869603651579faa448d7e43bb8fa08ed5ee3587ff47c5d3dd8a

      SHA512

      b40e1e18361761a5c60d73f38f11ed11c3dedd16b28c56042b4e0ad41c1f12a88168560a2be478ae052c2203f18fead3719d7756e3fa84d7746773eb40d6936f

    • C:\Windows\SysWOW64\clopsaqu.exe
      Filesize

      255KB

      MD5

      12daba8a19ad8ff21f8297ac7189522f

      SHA1

      7e9e7bc6a03499c8f67a78799efb5d8350ea15bc

      SHA256

      eb4ec5818db62869603651579faa448d7e43bb8fa08ed5ee3587ff47c5d3dd8a

      SHA512

      b40e1e18361761a5c60d73f38f11ed11c3dedd16b28c56042b4e0ad41c1f12a88168560a2be478ae052c2203f18fead3719d7756e3fa84d7746773eb40d6936f

    • C:\Windows\SysWOW64\sjviqtrolouhplt.exe
      Filesize

      255KB

      MD5

      f3f24854affbfe982a2243e939759ba4

      SHA1

      20475a68ab3c193621aeacb0f5d31e10beae9c93

      SHA256

      19926b8f90491699372a52465272cc9ad52dde88e86309fdfbc5e39928da95db

      SHA512

      4192c7d54aefec8bd078cddfd3f045c37e435bf0383c517597569bb08bfd97e893721ce27d02603e333cb6609181ed8d29a23c1deef3aa92473920d2f9dee128

    • C:\Windows\SysWOW64\sjviqtrolouhplt.exe
      Filesize

      255KB

      MD5

      f3f24854affbfe982a2243e939759ba4

      SHA1

      20475a68ab3c193621aeacb0f5d31e10beae9c93

      SHA256

      19926b8f90491699372a52465272cc9ad52dde88e86309fdfbc5e39928da95db

      SHA512

      4192c7d54aefec8bd078cddfd3f045c37e435bf0383c517597569bb08bfd97e893721ce27d02603e333cb6609181ed8d29a23c1deef3aa92473920d2f9dee128

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\amxtayxnsivpe.exe
      Filesize

      255KB

      MD5

      3e04093323e11e4c70951bf978d9e23c

      SHA1

      58a3ac508293e1d6fbb4002c69d9685c06961cfe

      SHA256

      737d12fd51f0e908a02b28c27960393d34c4456e9146bb3f20bedb8f69187746

      SHA512

      3fe3830d6110761b52ae39b942604de2b58403d74aa12e8b3ed244556bdc429a1078aba5ae24e5526b2cba04abc49e2a48e5951a42488346aa32094030b6ff0c

    • \Windows\SysWOW64\apypaebubt.exe
      Filesize

      255KB

      MD5

      362953a4c2470a2b9a21b246a5f30666

      SHA1

      0a04fb185e5f2d450eff3235439e46589395ff17

      SHA256

      6778a5f188c7bb032ad6e9e4419f34de4c93b6bb9fb225fbf27ed12aefb5356f

      SHA512

      f06b69b56437128210f32a2fd0afb7feb40a4043cb7dd1c860b93ae202a02af12156599a7bae01961ae89297ed6ca3286ee57591a6cc16e55510175340667ed5

    • \Windows\SysWOW64\clopsaqu.exe
      Filesize

      255KB

      MD5

      12daba8a19ad8ff21f8297ac7189522f

      SHA1

      7e9e7bc6a03499c8f67a78799efb5d8350ea15bc

      SHA256

      eb4ec5818db62869603651579faa448d7e43bb8fa08ed5ee3587ff47c5d3dd8a

      SHA512

      b40e1e18361761a5c60d73f38f11ed11c3dedd16b28c56042b4e0ad41c1f12a88168560a2be478ae052c2203f18fead3719d7756e3fa84d7746773eb40d6936f

    • \Windows\SysWOW64\clopsaqu.exe
      Filesize

      255KB

      MD5

      12daba8a19ad8ff21f8297ac7189522f

      SHA1

      7e9e7bc6a03499c8f67a78799efb5d8350ea15bc

      SHA256

      eb4ec5818db62869603651579faa448d7e43bb8fa08ed5ee3587ff47c5d3dd8a

      SHA512

      b40e1e18361761a5c60d73f38f11ed11c3dedd16b28c56042b4e0ad41c1f12a88168560a2be478ae052c2203f18fead3719d7756e3fa84d7746773eb40d6936f

    • \Windows\SysWOW64\sjviqtrolouhplt.exe
      Filesize

      255KB

      MD5

      f3f24854affbfe982a2243e939759ba4

      SHA1

      20475a68ab3c193621aeacb0f5d31e10beae9c93

      SHA256

      19926b8f90491699372a52465272cc9ad52dde88e86309fdfbc5e39928da95db

      SHA512

      4192c7d54aefec8bd078cddfd3f045c37e435bf0383c517597569bb08bfd97e893721ce27d02603e333cb6609181ed8d29a23c1deef3aa92473920d2f9dee128

    • memory/360-96-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/360-81-0x0000000000000000-mapping.dmp
    • memory/360-84-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/776-78-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/776-67-0x0000000000000000-mapping.dmp
    • memory/776-95-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/848-54-0x00000000766F1000-0x00000000766F3000-memory.dmp
      Filesize

      8KB

    • memory/848-76-0x00000000023F0000-0x0000000002490000-memory.dmp
      Filesize

      640KB

    • memory/848-86-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/848-55-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/872-77-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/872-61-0x0000000000000000-mapping.dmp
    • memory/872-94-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/912-99-0x000007FEFC4E1000-0x000007FEFC4E3000-memory.dmp
      Filesize

      8KB

    • memory/912-98-0x0000000000000000-mapping.dmp
    • memory/1156-75-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1156-57-0x0000000000000000-mapping.dmp
    • memory/1156-93-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1556-71-0x0000000000000000-mapping.dmp
    • memory/1556-79-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1716-91-0x0000000071A3D000-0x0000000071A48000-memory.dmp
      Filesize

      44KB

    • memory/1716-89-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1716-97-0x0000000071A3D000-0x0000000071A48000-memory.dmp
      Filesize

      44KB

    • memory/1716-88-0x0000000070A51000-0x0000000070A53000-memory.dmp
      Filesize

      8KB

    • memory/1716-87-0x0000000072FD1000-0x0000000072FD4000-memory.dmp
      Filesize

      12KB

    • memory/1716-85-0x0000000000000000-mapping.dmp
    • memory/1716-101-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1716-102-0x0000000071A3D000-0x0000000071A48000-memory.dmp
      Filesize

      44KB