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Analysis

  • max time kernel
    120s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/12/2024, 18:24

General

  • Target

    c3d2de99d8bd323f2477d4b3ea439f33_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    c3d2de99d8bd323f2477d4b3ea439f33

  • SHA1

    1f86dcc248e389ea5b10644814ca5d80905cf7d0

  • SHA256

    b99f9c5684d31332d60073dfa87a6be92173591d126c95843b79fb3669cf51bf

  • SHA512

    8ec7db520d682490e90879aab0e8254ae4d1e42e3f637b6464140cdd2696d78bac40b802d803c663142342262afabd85835ae3067848d1f2b99adc14a584633c

  • SSDEEP

    24576:10NzTQyI8Y5xN8K/l+ojz5tpzAE+ghzg7r5RP9Ma6DPrwdZUFd701gaDnqd:10pTQyGxyM+oPl9zgpRWa63w/Uw1ga

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

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

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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.

  • 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3d2de99d8bd323f2477d4b3ea439f33_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c3d2de99d8bd323f2477d4b3ea439f33_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Windows\SysWOW64\COUPQY\TOY.exe
      "C:\Windows\system32\COUPQY\TOY.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 behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    485KB

    MD5

    b905540561802896d1609a5709c38795

    SHA1

    a265f7c1d428ccece168d36ae1a5f50abfb69e37

    SHA256

    ce666ce776c30251bb1b465d47826c23efaa86ec5ee50b2a4d23a4ceb343ed53

    SHA512

    7663654f134f47a8092bae1f3f9d46732d2541ab955e7604d43a0def1e61e2bc039a6753e94d99f1d04b69f55a86f1fb937513671019f1bdf100edb97b24badc

  • C:\Windows\SysWOW64\COUPQY\TOY.001

    Filesize

    61KB

    MD5

    0e7e847fb96b4faa6cb4d3707a96887e

    SHA1

    896fd4064044e271312e9128e874108eec69521f

    SHA256

    c0f3e18ed0020dae5f75d3338b51f9c8de26d8af0a4d31904ba77cb1d112bbca

    SHA512

    ad680ed30b0cabe1be4e7237b8e620060de9c5f64d088d21a6acf6f293551ab4abc10f8f959aa6041e19aeaea538e72beeecc29b7669546a9a151141d4e73684

  • C:\Windows\SysWOW64\COUPQY\TOY.002

    Filesize

    43KB

    MD5

    f195701cf2c54d6ceadad943cf5135b8

    SHA1

    9beb03fc097fc58d7375b0511b87ced98a423a08

    SHA256

    177c1dcc7f13158445f0b99713e9cad205da86e764940a48d43dc375565b0dec

    SHA512

    f78def1ab431bb2b7b647ec76c063c30a87cabd22605f94cbe4fbb6f757fd54ddf7861d3842a0e369abfce94b68d41dec0fe2322a74f67d9875f561f92b20025

  • C:\Windows\SysWOW64\COUPQY\TOY.004

    Filesize

    1KB

    MD5

    a4402d849a1fe527703dd00e35ed9b01

    SHA1

    caa20bb81ca3640c3a72a859d7d39e214d7c6602

    SHA256

    3e92d91c1963dbd2ac121282f9b79379618cd9ada77ba22b2c283680b1500140

    SHA512

    26d61d5684895c83c00f63ac6958d3372ec5491eed62969a6fe6355d17824269dc0a60f86ad34520e39d97285e67d399b1b3b017d2b91df69364586a694eab4a

  • C:\Windows\SysWOW64\COUPQY\TOY.exe

    Filesize

    1.7MB

    MD5

    d95623e481661c678a0546e02f10f24c

    SHA1

    b6949e68a19b270873764585eb1e82448d1e0717

    SHA256

    cecfadce6fb09b3977c20d15fb40f8f66a1d7e488a4794451d048a598c3417da

    SHA512

    dee02644d92ed30e88bb10e9dcdba97abd9949b230059ec20cf5d93061f9cdb77b1e793e5f69d0b51595c30077c3ddd093348d22b070ce898ccefe28b8062591

  • memory/4984-17-0x0000000000650000-0x0000000000651000-memory.dmp

    Filesize

    4KB

  • memory/4984-19-0x0000000000650000-0x0000000000651000-memory.dmp

    Filesize

    4KB