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Analysis

  • max time kernel
    141s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/01/2025, 18:27

General

  • Target

    JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe

  • Size

    1.8MB

  • MD5

    6cddc9af919c75723b4b01e659cdcf94

  • SHA1

    c1824a630a0e8dc0b8e2372469ddd2459e5e2f4a

  • SHA256

    e4e53aa188b08f901e5356b7eaf037ce202675e49e54640da9081f3eefc6df3a

  • SHA512

    9310030991ccb020190744bdf66886554c510718da94b62250529bf85c58a652c37e7dee43aa4537b0c9b2915927f062b588483da807f7057d1a067755cef92f

  • SSDEEP

    49152:DKOoYGMIckt0KdEVi2LWSdI3L8F4DJE9d6b7ENb2XhU:DKOoYvkt0Xi2LWSd8e4DJ/Yb2XO

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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Windows\SysWOW64\28463\NSKR.exe
      "C:\Windows\system32\28463\NSKR.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:3376
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3376 -s 1068
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1256
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\NSKR.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:32
    • C:\Program Files\VideoLAN\VLC\vlc.exe
      "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\open_hehehask_36899.rec"
      2⤵
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3108
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3376 -ip 3376
    1⤵
      PID:4684

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\@9839.tmp

      Filesize

      4KB

      MD5

      c3679c3ff636d1a6b8c65323540da371

      SHA1

      d184758721a426467b687bec2a4acc80fe44c6f8

      SHA256

      d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

      SHA512

      494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

    • C:\Users\Admin\AppData\Local\Temp\open_hehehask_36899.rec

      Filesize

      1.4MB

      MD5

      df1a83c25da2d5d749a61c6262912da3

      SHA1

      6448f99d05c1e86b860635e657e2521e69357ac2

      SHA256

      4425390d2ad03c945ca399ca9a055326c78e44de38c82cb684a5d3fb5273bab8

      SHA512

      894c790229ec2e85373c5cfaab5973998c93063f1ba215c38ff94b28e2cca0dd2a436927ed351af4cf759916ff25a5fbc5b613dd96af77cbf699b80c5edf12c4

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

      Filesize

      395KB

      MD5

      b8fa30233794772b8b76b4b1d91c7321

      SHA1

      0cf9561be2528944285e536f41d502be24c3aa87

      SHA256

      14116fa79ccc105fabd312b4dff74933f8684c6b27db37e5e3a79d159092d29a

      SHA512

      10ce8b18e7afb8c7e30bb90b0a1f199ef0b77873fa7a9efc596606e151be6b516c0ec6222a9032bdcc527e80964f53d20a28fa1881a08b4df303b2e28204549d

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

      Filesize

      462B

      MD5

      b610d5eca070b0c40306a702975662c6

      SHA1

      f1d257fb2a84e32bfc8bb182ac853d4c659e954d

      SHA256

      a2ee517d4ec94d09bb786aadd8ed6d8d33b393aae5ea5fc44430b2a6e99cab2a

      SHA512

      a404ae308c9d1fc88ba003b3e2007cdee223a49f9abb6a0f649f8afadcf301e2e5e324d3bd5372207d169d1e01bb36e1d24c9a7ca65bea70f3561dab8b9f0528

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

      Filesize

      8KB

      MD5

      43f02e9974b1477c1e6388882f233db0

      SHA1

      f3e27b231193f8d5b2e1b09d05ae3a62795cf339

      SHA256

      3c9e56e51d5a7a1b9aefe853c12a98bf246039aa46db94227ea128f6331782ba

      SHA512

      e22d14735606fe75ee5e55204807c3f5531d3e0c4f63aa4a3b2d4bb6abda6128c7e2816753f2e64400ac6dae8f8ef1e013a7a464dff2a79ad9937c48821a067f

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

      Filesize

      5KB

      MD5

      b5a87d630436f958c6e1d82d15f98f96

      SHA1

      d3ff5e92198d4df0f98a918071aca53550bf1cff

      SHA256

      a895ad4d23e8b2c2dc552092f645ca309e62c36d4721ebfe7afd2eee7765d4b2

      SHA512

      fd7bae85a86bdaa12fec826d1d38728a90e2037cb3182ad7652d8a9f54c4b322734c587b62221e6f907fce24fcf2e0ae4cce1f5e3d8861661064b4da24bd87ce

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

      Filesize

      473KB

      MD5

      17535dddecf8cb1efdba1f1952126547

      SHA1

      a862a9a3eb6c201751be1038537522a5281ea6cb

      SHA256

      1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

      SHA512

      b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

    • memory/3108-45-0x00007FFC8A3A0000-0x00007FFC8A5AB000-memory.dmp

      Filesize

      2.0MB

    • memory/3108-42-0x00007FFC99F60000-0x00007FFC99F71000-memory.dmp

      Filesize

      68KB

    • memory/3108-36-0x00007FFC9E780000-0x00007FFC9E7B4000-memory.dmp

      Filesize

      208KB

    • memory/3108-41-0x00007FFC99F80000-0x00007FFC99F97000-memory.dmp

      Filesize

      92KB

    • memory/3108-44-0x00007FFC99F20000-0x00007FFC99F31000-memory.dmp

      Filesize

      68KB

    • memory/3108-43-0x00007FFC99F40000-0x00007FFC99F5D000-memory.dmp

      Filesize

      116KB

    • memory/3108-37-0x00007FFC8A940000-0x00007FFC8ABF6000-memory.dmp

      Filesize

      2.7MB

    • memory/3108-85-0x00007FFC892F0000-0x00007FFC8A3A0000-memory.dmp

      Filesize

      16.7MB

    • memory/3108-38-0x00007FFC9F0F0000-0x00007FFC9F108000-memory.dmp

      Filesize

      96KB

    • memory/3108-40-0x00007FFC9A290000-0x00007FFC9A2A1000-memory.dmp

      Filesize

      68KB

    • memory/3108-39-0x00007FFC9EAD0000-0x00007FFC9EAE7000-memory.dmp

      Filesize

      92KB

    • memory/3108-35-0x00007FF7B3770000-0x00007FF7B3868000-memory.dmp

      Filesize

      992KB

    • memory/3108-47-0x00007FFC99E30000-0x00007FFC99E71000-memory.dmp

      Filesize

      260KB

    • memory/3108-66-0x00007FFC892F0000-0x00007FFC8A3A0000-memory.dmp

      Filesize

      16.7MB

    • memory/3108-53-0x00007FFC94CB0000-0x00007FFC94CC2000-memory.dmp

      Filesize

      72KB

    • memory/3108-52-0x00007FFC99C50000-0x00007FFC99C61000-memory.dmp

      Filesize

      68KB

    • memory/3108-51-0x00007FFC99C70000-0x00007FFC99C81000-memory.dmp

      Filesize

      68KB

    • memory/3108-50-0x00007FFC99C90000-0x00007FFC99CA1000-memory.dmp

      Filesize

      68KB

    • memory/3108-49-0x00007FFC99DE0000-0x00007FFC99DF8000-memory.dmp

      Filesize

      96KB

    • memory/3108-48-0x00007FFC99E00000-0x00007FFC99E21000-memory.dmp

      Filesize

      132KB

    • memory/3108-46-0x00007FFC892F0000-0x00007FFC8A3A0000-memory.dmp

      Filesize

      16.7MB

    • memory/3376-54-0x0000000000A70000-0x0000000000A71000-memory.dmp

      Filesize

      4KB

    • memory/3376-22-0x0000000000A70000-0x0000000000A71000-memory.dmp

      Filesize

      4KB