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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/03/2024, 20:48

General

  • Target

    589f5a9981ab8b62ec46fc6893c98096064fa91135cfecce44019e722b59f08b.exe

  • Size

    159KB

  • MD5

    045f1d132b87622f76985c54a7c62850

  • SHA1

    0d81ec9511251d199780e81d7bcec41f97d1599e

  • SHA256

    589f5a9981ab8b62ec46fc6893c98096064fa91135cfecce44019e722b59f08b

  • SHA512

    6a66fd556bd5dd258c84b3938f2d5666e975415a2ae054dd83ddec74e8635eb69f91a755dcd6c0177ac7ac5248557e647072bfff76159fa31c6acdb852dff8d0

  • SSDEEP

    3072:cGjbLl/gvQoutY1Tj4mYWR/R4nkPR/1aVuyJNp+ktzSAVYjyYh5LKipfVlp5Wlq6:xjluQoSqIo5R4nM/40yJNpHzSljTnpLG

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 6 IoCs
  • UPX dump on OEP (original entry point) 9 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 9 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\589f5a9981ab8b62ec46fc6893c98096064fa91135cfecce44019e722b59f08b.exe
    "C:\Users\Admin\AppData\Local\Temp\589f5a9981ab8b62ec46fc6893c98096064fa91135cfecce44019e722b59f08b.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Users\Admin\AppData\Local\Temp\589f5a9981ab8b62ec46fc6893c98096064fa91135cfecce44019e722b59f08b.exe
      "C:\Users\Admin\AppData\Local\Temp\589f5a9981ab8b62ec46fc6893c98096064fa91135cfecce44019e722b59f08b.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1196
      • C:\Users\Admin\AppData\Local\Temp\589f5a9981ab8b62ec46fc6893c98096064fa91135cfecce44019e722b59f08b.exe
        "C:\Users\Admin\AppData\Local\Temp\589f5a9981ab8b62ec46fc6893c98096064fa91135cfecce44019e722b59f08b.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1600
    • C:\Users\Admin\AppData\Local\Temp\589f5a9981ab8b62ec46fc6893c98096064fa91135cfecce44019e722b59f08b.exe
      "C:\Users\Admin\AppData\Local\Temp\589f5a9981ab8b62ec46fc6893c98096064fa91135cfecce44019e722b59f08b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\fetish handjob [free] swallow (Britney).avi.exe

    Filesize

    1.3MB

    MD5

    12fcda3facf895081ce15e18f302e73f

    SHA1

    33e1637a229bcf4faa3f5360ca03993b692c9612

    SHA256

    442c268d354ef2cc0b3c4b6ceae1f3cd03a3670249e067f95a4434b4df2501e0

    SHA512

    1ceaaa497d4fc7055205ef6a5b79c03bf67ccb6d7eeae75be53e5db07879b60a9a1d6ac926c1dad290256413d3c86ba32d64141b3810a2b05e27463635d3e14b

  • memory/312-90-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/312-171-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/1196-19-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/1196-139-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/1600-89-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/1600-170-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2524-0-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2524-99-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB