Analysis

  • max time kernel
    135s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-07-2024 01:28

General

  • Target

    69becb50f203005745189b9766f9c18d_JaffaCakes118.exe

  • Size

    3.7MB

  • MD5

    69becb50f203005745189b9766f9c18d

  • SHA1

    e1a678ca3eb1b92cfef94a4b36743daf3abdd370

  • SHA256

    9a123cb7b8357158b5f9aae0e3210946e3c2fffd97a9a2924ed94928eb078717

  • SHA512

    b67cb7cba26836c8d0ca52e81c7f87fb77bc752d54f36a54efe731541af3d34308ebea97cb0d420766c865f8c1a7de05db92bd0678f28b51cd7d7c9c8ea7fc5a

  • SSDEEP

    98304:hcSSAW8Koh1oBm9W/YDYWz9yJBj1usJaXkQy:WSxdfCm9WgcWzwBjza0H

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

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

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

  • Executes dropped EXE 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 2 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 desktop.ini file(s) 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows 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.

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\69becb50f203005745189b9766f9c18d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\69becb50f203005745189b9766f9c18d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Windows\ALNVUA\KBO.exe
      "C:\Windows\ALNVUA\KBO.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4028
    • C:\Users\Admin\AppData\Local\Temp\Engine.exe
      "C:\Users\Admin\AppData\Local\Temp\Engine.exe"
      2⤵
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4352
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:3236
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
    1⤵
    • Drops desktop.ini file(s)
    • Checks processor information in registry
    • Modifies registry class
    PID:2936
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k BcastDVRUserService -s BcastDVRUserService
    1⤵
    • Checks processor information in registry
    • Modifies registry class
    PID:3148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Engine.exe

    Filesize

    2.5MB

    MD5

    0a7088290907a546dcfc6f0f46c76911

    SHA1

    f771b96088197ed80a69c71f7fd86bbf5a5529c7

    SHA256

    3034de791af1d7551d95955bce62f46ecd071c0357ceebd3bd75d3e98dc7860a

    SHA512

    eb6e7aa9e27f814e12f35677de31006421dadbd112a168b89b4b2586c95f566caec14cf7af103c99fccf32a9950004ad490b103624cc7e1f07aadbd63969897d

  • C:\Users\Admin\Videos\Captures\desktop.ini

    Filesize

    190B

    MD5

    b0d27eaec71f1cd73b015f5ceeb15f9d

    SHA1

    62264f8b5c2f5034a1e4143df6e8c787165fbc2f

    SHA256

    86d9f822aeb989755fac82929e8db369b3f5f04117ef96fd76e3d5f920a501d2

    SHA512

    7b5c9783a0a14b600b156825639d24cbbc000f5066c48ce9fecc195255603fc55129aaaca336d7ce6ad4e941d5492b756562f2c7a1d151fcfc2dabac76f3946c

  • C:\Windows\ALNVUA\AKV.exe

    Filesize

    463KB

    MD5

    cf351b0f765da7abc49fa60b03144301

    SHA1

    2018df7a0bb13d4d6d9929ad66ab8e033697dd41

    SHA256

    5ad7008ad4202a29b1a45d55625db3c583216934cbac6aa4c1414f69ed8e6693

    SHA512

    545757d3040a1afed3680c4629bc078b26295216b88213fe0f7934d559000bb4f54e3f737bc64301b147980118417ed0e5d03e5d0d28770797e8e37e1cf853f5

  • C:\Windows\ALNVUA\KBO.001

    Filesize

    61KB

    MD5

    b8cb0e28a65b57b7633a043ffdd0721b

    SHA1

    4aeaed92614d0a1fd64ae6c1e85a655de4570884

    SHA256

    678f7579dd4f01bd9837aece3fd6a8634d16e7bcc6583cf7764212fae4170a8b

    SHA512

    c781b4c4f86f036b4443a8af0072e59f23c54d20e44c1ee068dacd7ac0f7e324192cccb64a158db3000c78994da826e8394587ef8144b83179b5cc531120e2ab

  • C:\Windows\ALNVUA\KBO.002

    Filesize

    43KB

    MD5

    12fb4f589942682a478b7c7881dfcba2

    SHA1

    a3d490c6cda965708a1ff6a0dc4e88037e0d6336

    SHA256

    4de0c277800ae36b85a11ed9765f732a73578d4dce053ff7179f96ab776fb60d

    SHA512

    dd1c6a4ea5bc9698701ec941c4e90fe8dfb0993dc321edc052d1a80cc49bc46be665a85ec678876e698de60cda5dbf1d6279742a16d648f9d18e642a3ea33ddd

  • C:\Windows\ALNVUA\KBO.004

    Filesize

    1KB

    MD5

    ac411f814c229d18c9da246ccf791350

    SHA1

    77a2058af852e5aab4cda426329a081b41e39a53

    SHA256

    52f676a5ce1c57b7bb7322ccefc1a338afd4082fb6bb8a5a3a9802dd5b262165

    SHA512

    f0583630bf459d5d536caa94fbdf49ebe3bd4802ebf4e10cf156855b82225f63ea25e1f5e2a836ea5b1f508653065f79cdf89294f1dcc8690e37c66dd419f4f3

  • C:\Windows\ALNVUA\KBO.exe

    Filesize

    1.5MB

    MD5

    f8530f0dfe90c7c1e20239b0a7643041

    SHA1

    3e0208ab84b8444a69c8d62ad0b81c4186395802

    SHA256

    734439c4049ae1a832b4cc5c8d227112106406945d1a7cbb355e11a3f5e356c4

    SHA512

    5cb01517938789e006e00d69729ae7d73ad480f1ae17a80059bf81ee5d9cebb1263a35732c84f03d742684a650b116b13e6731ca80b0b9cdb3908e5588649399

  • memory/4028-28-0x0000000000B90000-0x0000000000B91000-memory.dmp

    Filesize

    4KB

  • memory/4028-46-0x0000000000B90000-0x0000000000B91000-memory.dmp

    Filesize

    4KB

  • memory/4352-27-0x0000000000460000-0x0000000000BC0000-memory.dmp

    Filesize

    7.4MB

  • memory/4352-45-0x0000000000460000-0x0000000000BC0000-memory.dmp

    Filesize

    7.4MB