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Analysis

  • max time kernel
    140s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
  • 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).

  • 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 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6cddc9af919c75723b4b01e659cdcf94.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Windows\SysWOW64\28463\NSKR.exe
      "C:\Windows\system32\28463\NSKR.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
      • Suspicious use of WriteProcessMemory
      PID:2348
      • 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:792
    • 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:2536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • 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

  • \Users\Admin\AppData\Local\Temp\@BA5A.tmp

    Filesize

    4KB

    MD5

    c3679c3ff636d1a6b8c65323540da371

    SHA1

    d184758721a426467b687bec2a4acc80fe44c6f8

    SHA256

    d4eba51c616b439a8819218bddf9a6fa257d55c9f04cf81441cc99cc945ad3eb

    SHA512

    494a0a32eef4392ecb54df6e1da7d93183473c4e45f4ac4bd6ec3b0ed8c85c58303a0d36edec41420d05ff624195f08791b6b7e018419a3251b7e71ec9b730e7

  • \Windows\SysWOW64\28463\NSKR.exe

    Filesize

    473KB

    MD5

    17535dddecf8cb1efdba1f1952126547

    SHA1

    a862a9a3eb6c201751be1038537522a5281ea6cb

    SHA256

    1a3d28ac6359e58aa656f4734f9f36b6c09badadcf9fb900b9b118d90c38a9dd

    SHA512

    b4f31b552ab3bb3dafa365aa7a31f58674ae7ee82ce1d23457f2e7047431430b00abb3b5498491725639daf583b526b278a737168cfdc4e9ec796dfbc14a53d8

  • memory/2348-25-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2348-68-0x0000000000250000-0x0000000000251000-memory.dmp

    Filesize

    4KB

  • memory/2536-57-0x000007FEF4BB0000-0x000007FEF4C2C000-memory.dmp

    Filesize

    496KB

  • memory/2536-51-0x000007FEF6670000-0x000007FEF6681000-memory.dmp

    Filesize

    68KB

  • memory/2536-40-0x000007FEF7730000-0x000007FEF7747000-memory.dmp

    Filesize

    92KB

  • memory/2536-39-0x000007FEF7A10000-0x000007FEF7A21000-memory.dmp

    Filesize

    68KB

  • memory/2536-38-0x000007FEFA180000-0x000007FEFA197000-memory.dmp

    Filesize

    92KB

  • memory/2536-36-0x000007FEF5F60000-0x000007FEF6216000-memory.dmp

    Filesize

    2.7MB

  • memory/2536-41-0x000007FEF6C10000-0x000007FEF6C21000-memory.dmp

    Filesize

    68KB

  • memory/2536-42-0x000007FEF6BF0000-0x000007FEF6C0D000-memory.dmp

    Filesize

    116KB

  • memory/2536-43-0x000007FEF6BD0000-0x000007FEF6BE1000-memory.dmp

    Filesize

    68KB

  • memory/2536-45-0x000007FEF4CA0000-0x000007FEF4EAB000-memory.dmp

    Filesize

    2.0MB

  • memory/2536-58-0x000007FEF65C0000-0x000007FEF65D1000-memory.dmp

    Filesize

    68KB

  • memory/2536-35-0x000007FEF7750000-0x000007FEF7784000-memory.dmp

    Filesize

    208KB

  • memory/2536-56-0x000007FEF4C30000-0x000007FEF4C97000-memory.dmp

    Filesize

    412KB

  • memory/2536-55-0x000007FEF65E0000-0x000007FEF6610000-memory.dmp

    Filesize

    192KB

  • memory/2536-54-0x000007FEF6610000-0x000007FEF6628000-memory.dmp

    Filesize

    96KB

  • memory/2536-53-0x000007FEF6630000-0x000007FEF6641000-memory.dmp

    Filesize

    68KB

  • memory/2536-52-0x000007FEF6650000-0x000007FEF666B000-memory.dmp

    Filesize

    108KB

  • memory/2536-37-0x000007FEFAC90000-0x000007FEFACA8000-memory.dmp

    Filesize

    96KB

  • memory/2536-50-0x000007FEF6690000-0x000007FEF66A1000-memory.dmp

    Filesize

    68KB

  • memory/2536-49-0x000007FEF66B0000-0x000007FEF66C1000-memory.dmp

    Filesize

    68KB

  • memory/2536-48-0x000007FEF66D0000-0x000007FEF66E8000-memory.dmp

    Filesize

    96KB

  • memory/2536-47-0x000007FEF6BA0000-0x000007FEF6BC1000-memory.dmp

    Filesize

    132KB

  • memory/2536-46-0x000007FEF66F0000-0x000007FEF6731000-memory.dmp

    Filesize

    260KB

  • memory/2536-44-0x000007FEF4EB0000-0x000007FEF5F60000-memory.dmp

    Filesize

    16.7MB

  • memory/2536-59-0x000007FEF4B50000-0x000007FEF4BA7000-memory.dmp

    Filesize

    348KB

  • memory/2536-60-0x000007FEF6590000-0x000007FEF65B8000-memory.dmp

    Filesize

    160KB

  • memory/2536-61-0x000007FEF4B20000-0x000007FEF4B44000-memory.dmp

    Filesize

    144KB

  • memory/2536-62-0x000007FEF4B00000-0x000007FEF4B18000-memory.dmp

    Filesize

    96KB

  • memory/2536-63-0x000007FEF4AD0000-0x000007FEF4AF3000-memory.dmp

    Filesize

    140KB

  • memory/2536-64-0x000007FEF4AB0000-0x000007FEF4AC1000-memory.dmp

    Filesize

    68KB

  • memory/2536-65-0x000007FEF4A90000-0x000007FEF4AA2000-memory.dmp

    Filesize

    72KB

  • memory/2536-66-0x000007FEF22B0000-0x000007FEF22C1000-memory.dmp

    Filesize

    68KB

  • memory/2536-34-0x000000013F940000-0x000000013FA38000-memory.dmp

    Filesize

    992KB

  • memory/2536-67-0x000007FEF2250000-0x000007FEF22A7000-memory.dmp

    Filesize

    348KB