Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-02-2025 21:39

General

  • Target

    JaffaCakes118_15629c77e0c0af69b10a72dae0af8088.exe

  • Size

    1.6MB

  • MD5

    15629c77e0c0af69b10a72dae0af8088

  • SHA1

    5d7e76cabc02a5480e11939854616cf2787a6c48

  • SHA256

    39290a2eec76ea2ee3785cf3a553acb411c97443c7f135d413691b565333382a

  • SHA512

    317810c0bc16077facd8583b122cfe3c7878d5aefed08f291850af79cdeed6d96a14c52040f99b72d7c2d05d856d75af004311a1f28c752392789668fd15cf7b

  • SSDEEP

    49152:poTLfklq/tnAe9NqFw3ns0tG7UZEltvNPg/I8pC8C:LqJDbqf0tG7UZ2ZNPgQ849

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax family
  • Ardamax main executable 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_15629c77e0c0af69b10a72dae0af8088.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_15629c77e0c0af69b10a72dae0af8088.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\Windows\SysWOW64\RJBLUN\MLD.exe
      "C:\Windows\system32\RJBLUN\MLD.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:2864
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\lvl 69.jpg

    Filesize

    476KB

    MD5

    4e7eb44a376c7bb79e6aba60e3bfd480

    SHA1

    aa6e0476254d3459367a73dd6a99db2b0bea4966

    SHA256

    d0eadce780069b04fc767f8db385e2bdeb13ffe1e101ddbb549186fc9df28664

    SHA512

    77ed3d6fdd0190348f8b65461db7b0fdf31e38d181b654bf539693132af06e7db29a0bd6998fdc53d21fc53814a140e90acab4707a0bfaca993dd02222ea28b2

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

    Filesize

    466KB

    MD5

    4c5711d8a02899113661bdff195d80d5

    SHA1

    263592abea6d60887defb4b1bcb47dbb383edfb6

    SHA256

    661eee852ace18c0fe63548e3ca276866b40dd0dce722f67976b8c4bfdb92195

    SHA512

    4b16ee6c75a169ad02c6b30d08efcd969ba8840adf49f6eeec3abbe8b9f5f288e1b1cfb4431711a74510a6973663335e43d256ae0dcd1a68f55331152a4f64ae

  • C:\Windows\SysWOW64\RJBLUN\MLD.001

    Filesize

    61KB

    MD5

    7a5612cc859be918c5767487f8a6815a

    SHA1

    a855d3a3e6336ac0508a8099e8ace14680394c36

    SHA256

    643419bc7e3a46ecdd7196858b3489c806c5edc486b513ce58519a109544c9d1

    SHA512

    31c541870dbc695c34d132c4232accc2fe511f30188a4db33d5c41758cf5af00a4906b55b0a208b5848436313fd3d8ccf6be7f1af62ecedd3a5c4c301dc5e11d

  • C:\Windows\SysWOW64\RJBLUN\MLD.002

    Filesize

    43KB

    MD5

    b2bcd668abf17ee408d232cc636614b2

    SHA1

    c354f941121515536c4f0d9ae49ed1a9b28534b4

    SHA256

    563f5e99f0beb961ecf6a8284bf41fee3e85d6f63cdff1669438f5a2168bfd99

    SHA512

    ba1be164de5919ae45f4bedfebe7e7799626b457f07b42fc43b8912f2932955833617b45e147e2e4d406f57f57f50c1869aa611db18a569919395e42fa53a702

  • C:\Windows\SysWOW64\RJBLUN\MLD.004

    Filesize

    1KB

    MD5

    c94e6c0e4762e92f3f78eb4bea8237c8

    SHA1

    d3f0096b1f833e6c954cd7adcdada6840723a4bc

    SHA256

    419ccef76a7639ea456f2f0d9718587835eeb73b63fdfc034605e9bf04966549

    SHA512

    6f723e74f7b05a787fe6b9e4ceb62b9f7fe4970c93143cc7bf6ee2b5da25944745da4f65f8b501969d247048608d470033d794a5ad4ab011c75e82bac9dc1e33

  • C:\Windows\SysWOW64\RJBLUN\MLD.exe

    Filesize

    1.5MB

    MD5

    a9ea3f61a57b36cde9953afd91f18d34

    SHA1

    e7e931b96b6e39b64a2a38d704bbe9561a234cbc

    SHA256

    accbdc6de9b6b671e6dc5bda9f1f983fbfcaa07467fbf6eabd25b9d5314d82ec

    SHA512

    0a6a42a772a3afd66233d9d3abb962b3a8cbf3d6e0e719352795b6441a148617dbe788991f0cead29d4b1540726504c9c56bebd9836ae6263b82a121fafd89fc

  • memory/2244-21-0x00000000001E0000-0x00000000001E2000-memory.dmp

    Filesize

    8KB

  • memory/2664-20-0x0000000000530000-0x0000000000532000-memory.dmp

    Filesize

    8KB

  • memory/2864-16-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/2864-23-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB