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
    08-04-2024 01:22

General

  • Target

    c7efe52e3729714c024f3a75ae41b1dc6323ffdbde856e5604022795ce4f8eb7.exe

  • Size

    288KB

  • MD5

    002d1bcaec0e80a5e941c3267f1e1bdc

  • SHA1

    c130235e56600ec67c291a7e01b72b91e23055dc

  • SHA256

    c7efe52e3729714c024f3a75ae41b1dc6323ffdbde856e5604022795ce4f8eb7

  • SHA512

    f139d413d3e43725bf56ac74cd0a374733f99a68450df02a8f197f3832c53649ec9120dc73c7d7cfa15db6ea2cc9015776177f23dcc6037c13f5c473cd9ad04a

  • SSDEEP

    6144:YjluQoSPIo5R4nM/40yJNi6hVDE/IR3fqFS88kdmbsXBlRdj8mw3+b6r5:YEQoSpqhsJW3iFS8vwbqdj4r5

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 5 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\c7efe52e3729714c024f3a75ae41b1dc6323ffdbde856e5604022795ce4f8eb7.exe
    "C:\Users\Admin\AppData\Local\Temp\c7efe52e3729714c024f3a75ae41b1dc6323ffdbde856e5604022795ce4f8eb7.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:2856
    • C:\Users\Admin\AppData\Local\Temp\c7efe52e3729714c024f3a75ae41b1dc6323ffdbde856e5604022795ce4f8eb7.exe
      "C:\Users\Admin\AppData\Local\Temp\c7efe52e3729714c024f3a75ae41b1dc6323ffdbde856e5604022795ce4f8eb7.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4256
      • C:\Users\Admin\AppData\Local\Temp\c7efe52e3729714c024f3a75ae41b1dc6323ffdbde856e5604022795ce4f8eb7.exe
        "C:\Users\Admin\AppData\Local\Temp\c7efe52e3729714c024f3a75ae41b1dc6323ffdbde856e5604022795ce4f8eb7.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3120
    • C:\Users\Admin\AppData\Local\Temp\c7efe52e3729714c024f3a75ae41b1dc6323ffdbde856e5604022795ce4f8eb7.exe
      "C:\Users\Admin\AppData\Local\Temp\c7efe52e3729714c024f3a75ae41b1dc6323ffdbde856e5604022795ce4f8eb7.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\gay [bangbus] sm (Christine,Christine).avi.exe

    Filesize

    1.8MB

    MD5

    62730f1a96f002e76fa412c1c0f5cabc

    SHA1

    9c31226ab832da6640e870097089f854d9b36313

    SHA256

    7dde0ddb48c507e99415b857e9947f7e1c9b61b67edfe31a141a2bc920085172

    SHA512

    a52565f474e0d2592e7acd46a318765ba95c649ee7448374c4ffc494eb58459a1a3e48c2f33491fd2bf412acfeb13491a72b0bfea60c8db0c6ba71e092888b4a

  • memory/2624-147-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2624-198-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2856-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2856-192-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3120-148-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/3120-200-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4256-33-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/4256-197-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB