Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2024 05:10

General

  • Target

    6599c61f79bc39edb0800d342281982f_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    6599c61f79bc39edb0800d342281982f

  • SHA1

    1f176e0c08943f68efde845034b3c12071f3c0ba

  • SHA256

    d2bb826df9485b0b31a55dbe782bef51ac5b9e723d66f6fc043c0be03a7c97b1

  • SHA512

    8e45dbdb4337f310d227e7e9b87c33aa295a3ba003540f5865a5a75d6c89a06c32f351736fd2e41f5373f5478d0d7a129905e6734134e71d2ef61286f8d99034

  • SSDEEP

    24576:fLMPuMGw4AYJyFFbvrxFwYzMh0fe4sR5EjUTzxIPkwwiFYAS5zVgYUBS0jQ:fquMGw4arrbn17+yjUlIzwk4F

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 1 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Drops file in System32 directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6599c61f79bc39edb0800d342281982f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6599c61f79bc39edb0800d342281982f_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3964
    • C:\Windows\SysWOW64\Sys32\BVHA.exe
      "C:\Windows\system32\Sys32\BVHA.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2436
    • C:\Users\Admin\AppData\Local\Temp\Revolution 4.2.exe
      "C:\Users\Admin\AppData\Local\Temp\Revolution 4.2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:4568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\@7A8F.tmp

    Filesize

    4KB

    MD5

    c5c306d45c5b88d004a071941b12b030

    SHA1

    fcdd3d742203743514f195d6d1060a8475036632

    SHA256

    2e6181885f8cb215a7291d556100636a7fd2b409cb6df1f65f6c61d058521ec8

    SHA512

    fdc66e8a5338e60adda51b21bfc5a40b86293d16c5492c82cdbce3cf4f9743c8b49f5e2e4d31c5b827c50c257a08c6dc57d3266ae3eac60ac46ad14684802738

  • C:\Users\Admin\AppData\Local\Temp\Revolution 4.2.exe

    Filesize

    656KB

    MD5

    d710fae69019f64cc7e12d5e9a6a0ee6

    SHA1

    8e108fece67c1ebbb02ef224fb1e4601c313dc5e

    SHA256

    9e96e2d71a1be32bb9119619b4ca471820af3e104737305ff3a8a26b3db21a48

    SHA512

    d084788775e9f57290c052639987b6d888d5c5f07e2eecf5bf2f81d4f7cd4ed6203cf06e217480e84aeb6d3bec220d673279c7134fe82e76f88678fc59c2c3be

  • C:\Windows\SysWOW64\Sys32\AKV.exe

    Filesize

    390KB

    MD5

    b073e1c34193d3b1ae37dade3152eb45

    SHA1

    f0b627e8310be12c832d2e14b1818446ffb42dfc

    SHA256

    8f418775144b64508556ffdfa24a8b6263dcb353fba94872fe8c24391d9bde79

    SHA512

    0e13f5052e1bc892205366f69fa5262c5fb815f9a9809fd39eeb0787a4fb48328907456f30fece3db19c9a40d0d1cc75cfd430e0c2b9edbd462909c315b6846b

  • C:\Windows\SysWOW64\Sys32\BVHA.001

    Filesize

    536B

    MD5

    633207edb2d2dbd5194215773b958f76

    SHA1

    807286c5ca3552d4cde99ce5a6be2806717070d0

    SHA256

    22cd03e4d19298a103faa65cff9d524a9654d3be32d2e483a55024122a79235b

    SHA512

    6f1b355d1b3c95a8bcfd08d465b41a7e52d80dc9ec0ee67538e1076ef56c156a269699cb860847e051e898cc32071f4969b0ca8426caae4c95871f82febeced2

  • C:\Windows\SysWOW64\Sys32\BVHA.006

    Filesize

    7KB

    MD5

    8f7b2a047e21e5168021c6b6c74b43d5

    SHA1

    86d6497fa6bfbc8d889479da1180d1b81c6dcf1c

    SHA256

    d18a1d8bd7bca221016a415a55034e6d47231b5561f3ecf4022c3caea52c00e8

    SHA512

    a15f0a4280b80db35e99b0a4c8e17fc63f49713b73fbd195ea2b5304bceb733cbfcf6673410dea2c6b83d617f8562fa18dd95574875caac71f81649fc95d2fd7

  • C:\Windows\SysWOW64\Sys32\BVHA.007

    Filesize

    5KB

    MD5

    aef6e96d082b935073a8ae15ba537f63

    SHA1

    704af73246a277c552c3ed2f859a227413de1b31

    SHA256

    75e8ce0baa4ccc7249d3d8a594d55744dfb6b6d0d9c272903ba8285ac504ef06

    SHA512

    a14c6de30455112aa8c8489ad080822f52554e4da087861cc49723e2f24f5bc292723cd5c129cb79fa13534f510a47e7e81173066633cf3716d983f951fc1955

  • C:\Windows\SysWOW64\Sys32\BVHA.exe

    Filesize

    477KB

    MD5

    489644a82021a8b7073ce20ff2ab34c9

    SHA1

    6384e2e97d957848d3a62af246f94e9c4a9e2f6e

    SHA256

    51fd851ac6c71b99feaa4d0222ba87e53363c4981f9727d054b97baaeca8eeaf

    SHA512

    95028425396879a03a003ae6e77f0567e13256a476ecc07779639b131091e206441e13d8a6aac99aef0135c065c6ccead9a9d5677fc63e70ec65f30e2509c872

  • memory/2436-42-0x0000000000A50000-0x0000000000A51000-memory.dmp

    Filesize

    4KB

  • memory/2436-33-0x0000000000A50000-0x0000000000A51000-memory.dmp

    Filesize

    4KB

  • memory/4568-45-0x0000000000400000-0x0000000000687000-memory.dmp

    Filesize

    2.5MB

  • memory/4568-49-0x0000000000400000-0x0000000000687000-memory.dmp

    Filesize

    2.5MB

  • memory/4568-43-0x0000000000400000-0x0000000000687000-memory.dmp

    Filesize

    2.5MB

  • memory/4568-41-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

    Filesize

    4KB

  • memory/4568-46-0x0000000000400000-0x0000000000687000-memory.dmp

    Filesize

    2.5MB

  • memory/4568-47-0x0000000000400000-0x0000000000687000-memory.dmp

    Filesize

    2.5MB

  • memory/4568-48-0x0000000000400000-0x0000000000687000-memory.dmp

    Filesize

    2.5MB

  • memory/4568-44-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

    Filesize

    4KB

  • memory/4568-50-0x0000000000400000-0x0000000000687000-memory.dmp

    Filesize

    2.5MB

  • memory/4568-51-0x0000000000400000-0x0000000000687000-memory.dmp

    Filesize

    2.5MB

  • memory/4568-52-0x0000000000400000-0x0000000000687000-memory.dmp

    Filesize

    2.5MB

  • memory/4568-53-0x0000000000400000-0x0000000000687000-memory.dmp

    Filesize

    2.5MB

  • memory/4568-54-0x0000000000400000-0x0000000000687000-memory.dmp

    Filesize

    2.5MB

  • memory/4568-55-0x0000000000400000-0x0000000000687000-memory.dmp

    Filesize

    2.5MB

  • memory/4568-56-0x0000000000400000-0x0000000000687000-memory.dmp

    Filesize

    2.5MB

  • memory/4568-57-0x0000000000400000-0x0000000000687000-memory.dmp

    Filesize

    2.5MB