Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 19:19

General

  • Target
    20becae7e56f7ff390ef06a07762528dd0251c98fb9f368e4aef42228079894b.exe
  • Size 416KB
  • Sample240403-x1zzysaf33
  • SHA256 20becae7e56f7ff390ef06a07762528dd0251c98fb9f368e4aef42228079894b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 16 IoCs
  • UPX dump on OEP (original entry point) 18 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.

  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20becae7e56f7ff390ef06a07762528dd0251c98fb9f368e4aef42228079894b.exe
    "C:\Users\Admin\AppData\Local\Temp\20becae7e56f7ff390ef06a07762528dd0251c98fb9f368e4aef42228079894b.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:3160
    • C:\Users\Admin\AppData\Local\Temp\20becae7e56f7ff390ef06a07762528dd0251c98fb9f368e4aef42228079894b.exe
      "C:\Users\Admin\AppData\Local\Temp\20becae7e56f7ff390ef06a07762528dd0251c98fb9f368e4aef42228079894b.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2656
      • C:\Users\Admin\AppData\Local\Temp\20becae7e56f7ff390ef06a07762528dd0251c98fb9f368e4aef42228079894b.exe
        "C:\Users\Admin\AppData\Local\Temp\20becae7e56f7ff390ef06a07762528dd0251c98fb9f368e4aef42228079894b.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2616

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        handjob licking swallow .mpeg.exe

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\handjob licking swallow .mpeg.exe
        • Size 2.0MB
        • SHA256 7f115586b1c251dfb82379c3c64308265fd1d8557c69769d6ba48ba7a99ec639
        • MD5 SHA1 SHA512 SSDEEP

        memory/2616-188-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/2656-187-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-208-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-215-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-190-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-191-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-196-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-0-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-212-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-186-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-218-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-221-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-224-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-227-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-230-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-233-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3160-236-0x0000000000400000-0x000000000041C000-memory.dmp