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
    07-04-2024 21:00

General

  • Target

    5033d1df1c982605614f3b8389af39a9c541444a192af4eaa37413f9d1b6042f.exe

  • Size

    2.0MB

  • MD5

    6f2d8103a3802ac02c2b425b195ecec3

  • SHA1

    7fcbece54a22e7d1f9d5b284d6d7901ad2161ab7

  • SHA256

    5033d1df1c982605614f3b8389af39a9c541444a192af4eaa37413f9d1b6042f

  • SHA512

    e67d4142e625751fc296bdaec1231bdbb50ce8807452092538dd1406c116cba73643f412c20dbbfb11944ba18ab1892c7a02c98264a1d8f433253240018e0af7

  • SSDEEP

    49152:juJWNuGO2kpSOYL43mFnNaKfZSHXH3w97M67v00NMqbzgBNfdV+Pz:jtuGEV3mtH43H3wdM+vlNMYgLd4Pz

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 2 IoCs
  • 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\5033d1df1c982605614f3b8389af39a9c541444a192af4eaa37413f9d1b6042f.exe
    "C:\Users\Admin\AppData\Local\Temp\5033d1df1c982605614f3b8389af39a9c541444a192af4eaa37413f9d1b6042f.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:1612
    • C:\Users\Admin\AppData\Local\Temp\5033d1df1c982605614f3b8389af39a9c541444a192af4eaa37413f9d1b6042f.exe
      "C:\Users\Admin\AppData\Local\Temp\5033d1df1c982605614f3b8389af39a9c541444a192af4eaa37413f9d1b6042f.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5016
      • C:\Users\Admin\AppData\Local\Temp\5033d1df1c982605614f3b8389af39a9c541444a192af4eaa37413f9d1b6042f.exe
        "C:\Users\Admin\AppData\Local\Temp\5033d1df1c982605614f3b8389af39a9c541444a192af4eaa37413f9d1b6042f.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2104
    • C:\Users\Admin\AppData\Local\Temp\5033d1df1c982605614f3b8389af39a9c541444a192af4eaa37413f9d1b6042f.exe
      "C:\Users\Admin\AppData\Local\Temp\5033d1df1c982605614f3b8389af39a9c541444a192af4eaa37413f9d1b6042f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\fetish fucking uncut .rar.exe

    Filesize

    1.5MB

    MD5

    433a0376a024fdf8b35256c0f9164414

    SHA1

    d1d45f79ab09cdb434087498c211e84383313464

    SHA256

    20a5d73b695d189c9dcd55a2ddcc313e4f072fd060d8f8f6c953034ab326263e

    SHA512

    966d60a3597c2b3d1ef4a5ecebda8a2ab1fe9b29c37d5d9c81266c4d17bf98d7629dac37c9e2db2529d85e6c8f111659b7883aab13db053829d745cfb5d24bc7

  • memory/1612-0-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2104-167-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/3496-166-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/5016-68-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB