Analysis

  • max time kernel
    93s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 15:16

General

  • Target

    a2a5e09f8ab3e116a51e1e6b968e1ec9_JaffaCakes118.exe

  • Size

    494KB

  • MD5

    a2a5e09f8ab3e116a51e1e6b968e1ec9

  • SHA1

    3df06912a734a1a883b558e926ac478499be59aa

  • SHA256

    ce3a44c2e4e03c465ea022d6b8b28b680088d0dcf899934da94da894eae42750

  • SHA512

    23f39124321faf71830823051c7ccda43332dc05cd5a11244e98ae5dc157ac129335e72bf42b2b5e450f61472c6917d5b8e6d520148ef8b00ded6b4c75655028

  • SSDEEP

    12288:RbezHjnVySxaWOIxZESa4NbZEAahLn53xWQc6qt9N:wntZrxJa4nol3xWQc6qtz

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax family
  • Ardamax main executable 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 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.

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

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

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

  • Program crash 1 IoCs
  • 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.

  • 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\a2a5e09f8ab3e116a51e1e6b968e1ec9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a2a5e09f8ab3e116a51e1e6b968e1ec9_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:68
    • C:\Windows\SysWOW64\Sys32\AUFP.exe
      "C:\Windows\system32\Sys32\AUFP.exe"
      2⤵
      • Checks computer location settings
      • 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
      • Suspicious use of WriteProcessMemory
      PID:1600
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 1108
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1124
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\Sys32\AUFP.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2732
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1600 -ip 1600
    1⤵
      PID:3256

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\@8C23.tmp

      Filesize

      3KB

      MD5

      1af114b264a783148f112ae8a4392450

      SHA1

      bf5493d1c7794cc9e44f219a5038990215494fd4

      SHA256

      3071cfecb4af30dbfef855370ed538f332338c35b5f6d5d14045c144796f7ff9

      SHA512

      b9c833cca0adfad35cbe4392b170cb4820c50874f7b6cf1717a67007c95878e1980c2cbd283ffa671feec0c8794ac229551c5f0b38700d932840a7073f562355

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

      Filesize

      389KB

      MD5

      40f15729e871733ee4e3b526a72f0725

      SHA1

      43f4f1bb97a6e722ec796027aebd219199136833

      SHA256

      4ab6592bff060a990b7820e9ee412b4318fb47e85eb01c069fa797399991b472

      SHA512

      0f8b4bb24813334941d8cdcf137bdc7f4904648b97e5b92c448c053005a29d63c5ddfc6a7fdf1d3a7c1185b8c9dea15d13668bad963b651df6088dcfc32b7967

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

      Filesize

      390B

      MD5

      41c04f9466c6d2d50a640fe34033bee8

      SHA1

      e0d60726ea3953f0223039d36ae9d2317b61aca2

      SHA256

      2adba05a9143a08bba7cb48114947b6fde23bf4d1d19942a3fc32e28ae3bf95c

      SHA512

      9dc17a0d90fb1e4dac6af029996b154f1054a4a01f20ea70f7f7a99998c937234a85395388a88f64c228c6cc982d839fd53bf6e0f8752ee04c2e70d0dc0a30f9

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

      Filesize

      7KB

      MD5

      489d664845e0e001de7e6a87fb355366

      SHA1

      c0b339c9b8d18dad3b6f425b0eba2833ed313202

      SHA256

      aab3b216ae3c1415739d487c3d6df9af2b5d055959c289cd803e872b835d55fd

      SHA512

      7e403f33d0717a3e30664f9702de589c8065690dc423cf69245122e96db346c8112ed15ba53d6ab26c538a1fea9e63dd29a01e2f18be8c1ad439a5466d066be3

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

      Filesize

      5KB

      MD5

      8148ef191adcb3a30fbf777b1642dd06

      SHA1

      79027d2c6b2b14da631a133eeba2a0a102914e39

      SHA256

      ce5f8b7b0c338711fbc5359ed79c12139c6cdce2a5cdbb53797287800239c2e0

      SHA512

      8b285260652ce586fc4c8dd8ab26f726634fd50208e9278767461c37f9f4d98857a867322e312ee3b5bcbb9b33d9ff9cb055af7ec9318c2419244c2efcbb2153

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

      Filesize

      475KB

      MD5

      f7f2f0d8ed270a51c6bce37645b0e8dc

      SHA1

      3f48aff739c3add1bd951e28c4d11ec24e345adf

      SHA256

      fa0921f68dec9797bff50e5f3e466c01702eeeff254070c1705ced427edc725b

      SHA512

      a9c948ad52df9cd83cb4972938b1e1a1751e316d61303eb571ea47e3175d823545ec15951701173f40f1577cc644d1f612e477376730a5fb5d375f2683cc9092

    • memory/1600-24-0x0000000000610000-0x0000000000611000-memory.dmp

      Filesize

      4KB

    • memory/1600-28-0x0000000000610000-0x0000000000611000-memory.dmp

      Filesize

      4KB