Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 19:30

General

  • Target

    266f711b53b3c0817cb60b64fe946cea16f8a72db6c0cd747728662edee4c864.exe

  • Size

    1.2MB

  • MD5

    e1a69dbfd293df1859d418229176c9bb

  • SHA1

    da21a02e36d1c8b60e2ad7809fc4292ab26885a3

  • SHA256

    266f711b53b3c0817cb60b64fe946cea16f8a72db6c0cd747728662edee4c864

  • SHA512

    56acfc0f37bebc1fcd10770f1c8993bc9bbf6b0241a2b8902a8ae3e6e0fc448bb9c8c18585ce58312d799cccabe512b577876270cbc1ea39e8970d23e532d10b

  • SSDEEP

    24576:bHiqGsg68g7g1fPmHCHJsXUN4+u+YeU05mV:jiqvgVg74fPmipsX44+u0a

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 5 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 5 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\266f711b53b3c0817cb60b64fe946cea16f8a72db6c0cd747728662edee4c864.exe
    "C:\Users\Admin\AppData\Local\Temp\266f711b53b3c0817cb60b64fe946cea16f8a72db6c0cd747728662edee4c864.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:3684
    • C:\Users\Admin\AppData\Local\Temp\266f711b53b3c0817cb60b64fe946cea16f8a72db6c0cd747728662edee4c864.exe
      "C:\Users\Admin\AppData\Local\Temp\266f711b53b3c0817cb60b64fe946cea16f8a72db6c0cd747728662edee4c864.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4680
      • C:\Users\Admin\AppData\Local\Temp\266f711b53b3c0817cb60b64fe946cea16f8a72db6c0cd747728662edee4c864.exe
        "C:\Users\Admin\AppData\Local\Temp\266f711b53b3c0817cb60b64fe946cea16f8a72db6c0cd747728662edee4c864.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:5076
    • C:\Users\Admin\AppData\Local\Temp\266f711b53b3c0817cb60b64fe946cea16f8a72db6c0cd747728662edee4c864.exe
      "C:\Users\Admin\AppData\Local\Temp\266f711b53b3c0817cb60b64fe946cea16f8a72db6c0cd747728662edee4c864.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\japanese action fucking masturbation hotel .zip.exe

    Filesize

    713KB

    MD5

    63c0cc9974ecafe692019433da143a4a

    SHA1

    f23c4dd0ea277e7978eeb5a004fd959bfb018b5a

    SHA256

    651a7e3eccbf1d2aab7c2cc42432ed10e35bc349d87c7f4bfaa215766fe178eb

    SHA512

    6ca50aa1db4a2a1bb5a9e822e98e338517cbb3ff69af127c37cde67769ae9351c3f682afc8d411400f0abc024e20661d5c064fdee740894db880f4d1ab8e6bfa

  • memory/2008-13-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/3684-0-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/4680-11-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/5076-14-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB