Analysis

  • max time kernel
    141s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2023 16:04

General

  • Target

    d324a87e78f9b217353eece75552acf62e2e50624102f231156b4077a7527e64.exe

  • Size

    2.5MB

  • MD5

    c73567c9249f5b69ccd24af986f8b9b7

  • SHA1

    a8d2985b83a39e73e3d9da3562e5b9c267e04876

  • SHA256

    d324a87e78f9b217353eece75552acf62e2e50624102f231156b4077a7527e64

  • SHA512

    7ba4280dddfa85926a3c5c37aa4c1f01cb7779031a0e09f2e08a38f1797896de21c58b96304b4e95ef358eeaed63ea9bc9adf28f41e8b044fb9e360385bebd83

  • SSDEEP

    49152:Jj7mXK4zLmlwfnvpHy55J6w+vd4cmhqn4Bz4NMjXvzzysjNMYCdrNkGfg:JjpfwvhQ6w+vdvqpgCSsuBbrfg

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d324a87e78f9b217353eece75552acf62e2e50624102f231156b4077a7527e64.exe
    "C:\Users\Admin\AppData\Local\Temp\d324a87e78f9b217353eece75552acf62e2e50624102f231156b4077a7527e64.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Users\Admin\AppData\Local\Temp\geek64.exe
      C:\Users\Admin\AppData\Local\Temp\geek64.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      PID:2324

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\geek64.exe

    Filesize

    3.7MB

    MD5

    d044e976eef263ca77366509ebb80970

    SHA1

    605c1a3fa0bb16cfbd02e46f6c60175ad96038da

    SHA256

    f1296c5461170bc0b35a862a9a6a9d1584eb56565c50cbb2676a2efa2307efcc

    SHA512

    addd528c41d4373660a372e8190763e8ae41e0524168cd20e0ce390de28aac297ace8fe8aab2e065093ea1ffe2fb70c4bc19f2bb74faadf4abf67a9d30b04bd1

  • \Users\Admin\AppData\Local\Temp\geek64.exe

    Filesize

    3.7MB

    MD5

    d044e976eef263ca77366509ebb80970

    SHA1

    605c1a3fa0bb16cfbd02e46f6c60175ad96038da

    SHA256

    f1296c5461170bc0b35a862a9a6a9d1584eb56565c50cbb2676a2efa2307efcc

    SHA512

    addd528c41d4373660a372e8190763e8ae41e0524168cd20e0ce390de28aac297ace8fe8aab2e065093ea1ffe2fb70c4bc19f2bb74faadf4abf67a9d30b04bd1

  • \Users\Admin\AppData\Local\Temp\geek64.exe

    Filesize

    3.7MB

    MD5

    d044e976eef263ca77366509ebb80970

    SHA1

    605c1a3fa0bb16cfbd02e46f6c60175ad96038da

    SHA256

    f1296c5461170bc0b35a862a9a6a9d1584eb56565c50cbb2676a2efa2307efcc

    SHA512

    addd528c41d4373660a372e8190763e8ae41e0524168cd20e0ce390de28aac297ace8fe8aab2e065093ea1ffe2fb70c4bc19f2bb74faadf4abf67a9d30b04bd1

  • memory/2356-0-0x0000000000400000-0x0000000000AE3000-memory.dmp

    Filesize

    6.9MB

  • memory/2356-7-0x0000000000400000-0x0000000000AE3000-memory.dmp

    Filesize

    6.9MB