Analysis

  • max time kernel
    138s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-08-2024 19:57

General

  • Target

    b4d239fc1983373f8a3be2f89588a95f_JaffaCakes118.exe

  • Size

    671KB

  • MD5

    b4d239fc1983373f8a3be2f89588a95f

  • SHA1

    24ee6dcc9297ad47caa8af2e7fe2320b6287d8cf

  • SHA256

    6346131bfc30df0c52d365224a740cdca6c108c225709ad70ce7ad4a08a9a906

  • SHA512

    f64e83dc769cd10b97cbb1d7bc4808b03c30c52074462c7a75f56561eca34d27352368375129ab952620d22f50181718ea848cc68b68f66497ee3584d531a1bc

  • SSDEEP

    12288:5pAbuWEU8M4UM3ESNsb3lWADTi5mxWA5Y6Z8MS3DUtpWWlEGedjqgqF:bYuWEUCUM3vsTlWAnikxrS6iMS3o7Wsn

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • 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\b4d239fc1983373f8a3be2f89588a95f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b4d239fc1983373f8a3be2f89588a95f_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:1772
    • C:\Windows\SysWOW64\28463\FCVL.exe
      "C:\Windows\system32\28463\FCVL.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:1472
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 1120
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1332
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\FCVL.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4212
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1472 -ip 1472
    1⤵
      PID:1428

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\@8126.tmp

      Filesize

      4KB

      MD5

      25530555085337eb644b061f239aa9d4

      SHA1

      8d91e099aba5439d4bfa8bce464c94e3e1acf620

      SHA256

      3fb6b438ad1530abdd068bffb303fb8a4de51430e0e18ddb6b1a0469ffab8325

      SHA512

      b1f9de0c276533a5a7070aeb2b6415cc1c0bdd2baf5e0645c6ac5ba767cab0d76e5b4461800d89724992af2c863294ada3c1eb2e4516183fe2010c33d47d6a2a

    • C:\Windows\SysWOW64\28463\AKV.exe

      Filesize

      395KB

      MD5

      d63cc8679a63448db1c64252e14e4ab5

      SHA1

      10b3a9ac4bc16e8ac1cd05e50b4d540fa3ef223e

      SHA256

      29b3646a556879a4a48e4f2f81e09179c34ac2051ed3e4f4c28e293092470d3d

      SHA512

      cb1911e1a77fb9be560aa4fd8bbef65e181b6d4438d65657501dbcd8dbf488ba01738a7222f35f8d4317e8df8c6f307d9e3623d6e3e45753e138b80fb68ff768

    • C:\Windows\SysWOW64\28463\FCVL.001

      Filesize

      410B

      MD5

      ee9a2116a6a8b50387ba61cf38043051

      SHA1

      b13006e2bf99e326a04b1c856cfaeac7af0534cd

      SHA256

      c6e37543836cee0432f0c23a17a00bcdba14d76d8abea4f4e928861b6334b5ae

      SHA512

      3e5746b762f4bcef0eabf05496e398a46ec5e952f59e61a7cc1564dc1da6c4415682e1aaea1aa21b3002b19c8e45526ea116fbde851ea92a2196af9e30002f3f

    • C:\Windows\SysWOW64\28463\FCVL.006

      Filesize

      8KB

      MD5

      81e20f4361cf8f5a57812871c24d945e

      SHA1

      5d7877d6959ab26599b05795a71633f00c37a3da

      SHA256

      e6e8b4a29dccb3531f58c75b754caf7f26afe3e7043239305fd0ae7ab2f7571d

      SHA512

      69b1d75ab7123054bf98cf3a0f2cc7a0749cda8d85ebdef85be7d89f1454154ce29070907b934727a6c5276ff430e94810b87a5634d25d8529df9ee36fd20818

    • C:\Windows\SysWOW64\28463\FCVL.007

      Filesize

      5KB

      MD5

      e9fbdcc2f5fb657fa519b3f5c69fc52d

      SHA1

      c49cca77b46a59d620711de7564d43e5dafcd2b5

      SHA256

      cc440cfc4ce1a1ff503cc9e8937c59aae64bfce4daa3e7dc757220a25cadc2e4

      SHA512

      913759967e16b99d8ea66433e5dc99d5ddbf737be6784306e67c2b23a525b7a578fcae1028221d3209abc452ff30508eb750c62113c3868a7af36b544e525fb1

    • C:\Windows\SysWOW64\28463\FCVL.exe

      Filesize

      473KB

      MD5

      97d8ad45f48b4b28a93aab94699b7168

      SHA1

      8b69b7fd7c008b95d12386f6da415097e72151de

      SHA256

      661df22a66b2062b233eb0bd9665de924cfe0ac9c6ba29e20ffef24f817f9331

      SHA512

      3351eac970bab391de410fcf1937da75d2e4722b808f10332f487ddfe469544e32e7d4ed0e5bdc19bd5f472cffcc55ca1498c95945b4e9c4ceff6ff5cc521c8a

    • memory/1472-23-0x0000000000610000-0x0000000000611000-memory.dmp

      Filesize

      4KB

    • memory/1472-27-0x0000000000610000-0x0000000000611000-memory.dmp

      Filesize

      4KB