Analysis

  • max time kernel
    93s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-08-2024 21:51

General

  • Target

    81dce4951356e889bc612174aefc5ebc_JaffaCakes118.exe

  • Size

    521KB

  • MD5

    81dce4951356e889bc612174aefc5ebc

  • SHA1

    29f7a7c7d8861f5138c6a2e4fd0e7e3c589062dd

  • SHA256

    ae561947bbca237daa569bfeb278b8aff33bcd0e574b99bbcbf81c5114b9777c

  • SHA512

    a14c646d2a16c435ef25783f88e4cc65c1b629d210e6cdd382768d4527ecce0fc2a6d4d6cd8facb554a5f94b2114f4c78a499f0cb9b32465e88602a3de34b88c

  • SSDEEP

    12288:olXdTh+rBLj6GwZitbzbTOQWpXAShDtrjQPp:+dTh+rF2GwItbzbTOd9DtrjQB

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 1 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 2 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 4 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81dce4951356e889bc612174aefc5ebc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81dce4951356e889bc612174aefc5ebc_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:776
    • C:\Users\Admin\AppData\Local\Temp\niceee.exe
      "C:\Users\Admin\AppData\Local\Temp\niceee.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5112
      • C:\Windows\SysWOW64\28463\VJKT.exe
        "C:\Windows\system32\28463\VJKT.exe"
        3⤵
        • 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:3884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 1120
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:4112
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\28463\VJKT.exe > nul
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2200
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 3884 -ip 3884
    1⤵
      PID:3628

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      4KB

      MD5

      13e10cd76f11d6cb43182dcba7370171

      SHA1

      e6b8ce329e49ff09f1cb529c60fc466cb9a579c8

      SHA256

      f1265c88f0077009eaa18db413f156cc7ad8d41dc9d797dd1032b0e0ae9c40d5

      SHA512

      ee32ef3f50838936417e51dfd365b166456900e327dbe51902700bb3d562dea22e6fbd9009c822ba0562687001802a2e61d38123f81ae19f7b3d05bb1fd5cda8

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

      Filesize

      490KB

      MD5

      65596455e0b7059b56813f414f967a37

      SHA1

      80b3075ce1d6ed965b75ca4f87f75493504f452b

      SHA256

      320ef53ba3883320bee33f5342d71360d9194d1af24003853ab71f716783be80

      SHA512

      afcaa53cadb26829be2bb08290136965857fb4719f21b1db36f6075953b8b68e37b015ed19b7864eb1c2217f6e03d9991bde19579166433bb392aed4adff9e79

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

      Filesize

      395KB

      MD5

      adbec81b510dcfe49835f95940ef961d

      SHA1

      77940f6e46fbd5f53de23bd49afe9172470769d0

      SHA256

      466efb4b00255f21075b340fc2d2444f182947ab90270840543658c5fd3a9b95

      SHA512

      ef4324a06fbe960933f5551ea6ac587cd87cb6025bc6879a2b81a4d1033cfe87e244b6a87fb5db5ad065321ccbe8035cf24a668452d5b0c6a4063a355a12b2a7

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

      Filesize

      378B

      MD5

      45c9c1fd5d288101ab70b2743ec22af2

      SHA1

      6f2dadc8b50474b72a1a69caec9c6f7058f7f064

      SHA256

      2bea9fb2f1dc3cf9b9c94f2c0508edd5c03b53eb5b8c577d9a94a19c3f96d926

      SHA512

      089fab266292f450c888517aa8d1ebbb4e1243b8f3bd4e7172e1030feb1b199cdf470b23f8fed94009a56750be31c7b03f86915fca42f376f38fe30f6137d7e3

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

      Filesize

      8KB

      MD5

      f5eff4f716427529b003207d5c953df5

      SHA1

      79696d6c8d67669ea690d240ef8978672e3d151c

      SHA256

      ac54ebb9eec3212f294462ce012fdc42f4b0896d785d776a5a2cc3599dc5bcde

      SHA512

      5a48599a5855f06c3e7d6f89c4e06bab1f4381b9d30cf3824c465b8fd6c142b316e6bd6aaad73d1f9b3e84d96113fb5e7374831bf503744013c9e1a0632a0caf

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

      Filesize

      5KB

      MD5

      bc75eddaa64823014fef0fe70bd34ffc

      SHA1

      15cd2ace3b68257faed33c78b794b2333eab7c0a

      SHA256

      9eada36d17635bedb85ce96a62cb019dbfee696b9986f69de7d5b5bc1f44df5d

      SHA512

      20db25f32f9cfdbffa4f30c0065125052c6e20b7dcc147fa7ebff38e37b51f6a43e48e486f148d7ee11671479b9fb0bbe1c6df151101af3b50c65fd334d13baa

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

      Filesize

      473KB

      MD5

      3c90d45b1c004e86a7f7a7a340f1abc8

      SHA1

      10602c450bcbda2735dc036f2e399646f0c64f4c

      SHA256

      f6d9c3bba7fc4dfa681cadf68f41093e3c431501c6789e891e599719e5d2781c

      SHA512

      85457be4c2aa76ede288cd185131d46e5f0b37187313f3a54fe789e28929ec6e44282f4ba0981f46354705cd5da83990586c8846f52fcdb807908254c8719cc1

    • memory/3884-31-0x00000000005B0000-0x00000000005B1000-memory.dmp

      Filesize

      4KB

    • memory/3884-37-0x00000000005B0000-0x00000000005B1000-memory.dmp

      Filesize

      4KB