Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19/04/2024, 13:48

General

  • Target

    fa6f155a35ddeb69a5308fccca7642f9_JaffaCakes118.exe

  • Size

    1.4MB

  • MD5

    fa6f155a35ddeb69a5308fccca7642f9

  • SHA1

    b707e0ffbd725f5b2ef5c94056d9fa1ff35f4d86

  • SHA256

    4a4d9dadc73f3ed774fedc03c39d9f4a77d1c170de1b54009a75c229582d8c30

  • SHA512

    7d0706b484cc9e1e4d6c66e2c8cc23565ccd864d44c25ccc5e8c04d4cf0e3d6dda15f8479367d0424b3650a4959c88fc4bd268c050f8a28305854f112f5f1d7b

  • SSDEEP

    24576:xU4oTzPfqnYXWu0I4eOXhPf06mxOgn1/8sDo8xQU5BZOkx5smu5bTyAYT2BRHvPP:xULTzinYXWuOeaNgnhxDdx9TZOmxuJTd

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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).

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa6f155a35ddeb69a5308fccca7642f9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fa6f155a35ddeb69a5308fccca7642f9_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\WEJUOU\BSD.exe
      "C:\Windows\system32\WEJUOU\BSD.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2356
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • Loads dropped DLL
    • Suspicious use of FindShellTrayWindow
    PID:1956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Los Simpsons7.jpg

    Filesize

    297KB

    MD5

    f269d5b7dad53bb49708b09285d6ab44

    SHA1

    977f4205d630baf2fcded7b43d533accfb22affc

    SHA256

    fa99c4878d82aa6ac4f4319cb944755cad087e9a0043b5a425499f5143c59a03

    SHA512

    28b39e0ceef991144dd3b99186a525c60f4ed0b50229d5fc368869cf7782ffa6989ad429daa86d3254cd6e5fad5549ede5239de0346d4331da5cd4257e084f13

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

    Filesize

    456KB

    MD5

    48cfaed4d566c34716326302b49bdad2

    SHA1

    566e0989b6bc7ed205f9ae250ea98e3a4d7fba52

    SHA256

    54c2e10de3ed7135d20c239a7f656c6ff57d1158607fa4c6779e042681de87ea

    SHA512

    96c871ed9af039142aab5904021d3ef3f75a58c5cc1fdf4d59e40e3699fd03e7cff384b788f7359a1de519ebdcafdad55891fef4f67e2c216ea89ebc945996a0

  • C:\Windows\SysWOW64\WEJUOU\BSD.001

    Filesize

    60KB

    MD5

    a15c556f17d7db8287e023138942d5db

    SHA1

    880bf8ec944120830dc2e2e040e5996e4e0e6c83

    SHA256

    f3716810ab011a4cb7693d31b69cd540380ef2a067724e0d568070c8a558694e

    SHA512

    930339711e3d73e5af0778367a648c94411c20d23bf4c27ec5d72222e76b8902eb3fc0992d70cc4141600c19087159514246d42f1e762c98dad306f8e0bd99cd

  • C:\Windows\SysWOW64\WEJUOU\BSD.002

    Filesize

    43KB

    MD5

    daabecdfba287a3333b60ae82211acd7

    SHA1

    e67b4c7bf0dd71ad47263a58bb60be4bce504b84

    SHA256

    12981c35adf6f00c7dddbc3ab23c04c30133cc5be107015dab9fd7ba4e8b4173

    SHA512

    937f551f959bd823292fe5983bbfb1c3a6dd86426a5da228dc7ddba38138c898599bc713d707b9d3463b20825cee0783d92c1c19019cd0328986a8aef5c1222f

  • C:\Windows\SysWOW64\WEJUOU\BSD.004

    Filesize

    1KB

    MD5

    29a7cf67958ab0ec7238689ef37cab65

    SHA1

    c5d1f6d4f7b3a2c1e19b9348c1dbd6933a1b3222

    SHA256

    da4645c593020c7be02a9a4951b53c960e9bc6c9c250247372cf8ed47b3210c9

    SHA512

    890f1914c5e98ae266ed40931e0b70a97c03f5fa8750ddeaa9aa4a6ed10bed5ac52b870afe91c14fd22ad8f2badd3b974eb9c2a6ddddcbf1ad4b2535aa96eba2

  • \Windows\SysWOW64\WEJUOU\BSD.exe

    Filesize

    1.7MB

    MD5

    f3819a6cab8ae058254c4abb3844d87e

    SHA1

    0f8b1a74af87f1823ec0d76e21a8d54d55a53a8b

    SHA256

    3d656d1364b4b2382020f64990a2c630b7b9422ca7b7fe2c30646fda3303e6c9

    SHA512

    dfe9d342f3ad543fec8bd278e21ac5059b1c36ed3f735734e9b92d639cb25609f9307862ab2b35ea3e88713f4a652abe5863871225f915462c79d493ac5e1f57

  • memory/1680-20-0x0000000000460000-0x0000000000462000-memory.dmp

    Filesize

    8KB

  • memory/1956-21-0x0000000000130000-0x0000000000132000-memory.dmp

    Filesize

    8KB

  • memory/1956-22-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/1956-25-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/2356-16-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2356-24-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB