Analysis

  • max time kernel
    29s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-10-2024 12:54

General

  • Target

    3a1f62d6ab6ec457940b73f0e65ba6b9_JaffaCakes118.exe

  • Size

    602KB

  • MD5

    3a1f62d6ab6ec457940b73f0e65ba6b9

  • SHA1

    0bc6599bea4598d5c7f7a9b81b17fb0b3e649e41

  • SHA256

    79425fe7d0c482f7b4b5d65ff20ee86e2e2df2013bb1ee37e893dc76b179a66c

  • SHA512

    f35d44322572bd87948e924f8aed141103515cf37fa93c278873bf08f1445824fe607f6cca805e153f6c590c29b2e1103f1127c21d7f7fa186426141202de4fc

  • SSDEEP

    12288:V3TdtLW5WIj1YSSdFxHBSXyMzBUWb9lx/9AgHLo8OW+rBI:9Dsj1dE3BcJ9nPx/igrp+e

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 1 IoCs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a1f62d6ab6ec457940b73f0e65ba6b9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3a1f62d6ab6ec457940b73f0e65ba6b9_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Disables RegEdit via registry modification
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:812
    • C:\Windows\SysWOW64\28463\svchost.exe
      C:\Windows\system32\28463\svchost.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 FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:316
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT /delete /yes
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2772
      • C:\Windows\SysWOW64\at.exe
        AT /delete /yes
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2700
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Windows\SysWOW64\at.exe
        AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\svchost .exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabA596.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarA5B8.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Windows\SysWOW64\setting.ini

    Filesize

    2B

    MD5

    e0aa021e21dddbd6d8cecec71e9cf564

    SHA1

    9ce3bd4224c8c1780db56b4125ecf3f24bf748b7

    SHA256

    565339bc4d33d72817b583024112eb7f5cdf3e5eef0252d6ec1b9c9a94e12bb3

    SHA512

    900110c951560eff857b440e89cc29f529416e0e3b3d7f0ad51651bfdbd8025b91768c5ed7db5352d1a5523354ce06ced2c42047e33a3e958a1bba5f742db874

  • C:\Windows\SysWOW64\svchost .exe

    Filesize

    602KB

    MD5

    3a1f62d6ab6ec457940b73f0e65ba6b9

    SHA1

    0bc6599bea4598d5c7f7a9b81b17fb0b3e649e41

    SHA256

    79425fe7d0c482f7b4b5d65ff20ee86e2e2df2013bb1ee37e893dc76b179a66c

    SHA512

    f35d44322572bd87948e924f8aed141103515cf37fa93c278873bf08f1445824fe607f6cca805e153f6c590c29b2e1103f1127c21d7f7fa186426141202de4fc

  • \Windows\SysWOW64\28463\svchost.exe

    Filesize

    513KB

    MD5

    0c7a714b8e1d2ead2afc90dcc43bbe18

    SHA1

    66736613f22771f5da5606ed8c80b572b3f5c103

    SHA256

    800bdf00e09f302a17e22d26dffbea037e3c077ef9f6d1d585c114f079397a9e

    SHA512

    35db0de86c168eb6302dcbaa1e1f9ec96b5a8814e7067e1a7bb682e9f35fc06c51148a08e6f7df1e8caeb2effde555c53966a8922e8fef6b7ce194dc81c984b4

  • memory/316-23-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/316-101-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/812-0-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB

  • memory/812-100-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB

  • memory/812-103-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB

  • memory/812-105-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB

  • memory/812-106-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB

  • memory/812-108-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB

  • memory/812-110-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB

  • memory/812-113-0x0000000000400000-0x00000000004BB000-memory.dmp

    Filesize

    748KB