Analysis

  • max time kernel
    150s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-05-2024 04:43

General

  • Target

    e12e46c8fc6aca638431dde77cebf03d94f23ca57529645535ae6eb16b9b1c74.exe

  • Size

    43KB

  • MD5

    d1563e1344251b7a1bc739aefd696214

  • SHA1

    c5d2a13d06ee43b1637a1aca1891397efdd95eb8

  • SHA256

    e12e46c8fc6aca638431dde77cebf03d94f23ca57529645535ae6eb16b9b1c74

  • SHA512

    8ace47d0336005f7159598e9bf782264a7f264f7e78f121e4b7cd6ae03c2ecc7a6ad30ccae3c74eb545d8b7bf706f1fc99baba24571fecf58b4c4ef9f9225069

  • SSDEEP

    768:Iv9ilrnywLsYg+0yq2vWdT9SOaNou0yWH7oXzO8ZGjSjAsOmA0acwAW:fjxsz40yvXHGjUAsOPZt

Score
9/10
upx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e12e46c8fc6aca638431dde77cebf03d94f23ca57529645535ae6eb16b9b1c74.exe
    "C:\Users\Admin\AppData\Local\Temp\e12e46c8fc6aca638431dde77cebf03d94f23ca57529645535ae6eb16b9b1c74.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1820
    • C:\Users\Admin\AppData\Local\Temp\conwurm.exe
      "C:\Users\Admin\AppData\Local\Temp\conwurm.exe"
      2⤵
      • Executes dropped EXE
      PID:3444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\conwurm.exe

    Filesize

    43KB

    MD5

    c40aedbe0141b05ab5b68ebd42ddeee2

    SHA1

    77aaebc11999601b86596101e9070acf604f3329

    SHA256

    e69cdc2765aec6092bc7eb58850428e641e5fba9b7b74c7412e7614fc9823abf

    SHA512

    00c1e4bf2527c6c9a8d62897e09aefd74aaae635ad857d00b00681765265f22bd82f366976e06aa2f0dbc3cdedab0337b90e660d97aa361b5e12536fa4a59ea0

  • memory/1820-0-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/1820-2-0x0000000004000000-0x0000000004005000-memory.dmp

    Filesize

    20KB

  • memory/1820-1-0x0000000004000000-0x0000000004005000-memory.dmp

    Filesize

    20KB

  • memory/1820-12-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/3444-13-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/3444-16-0x0000000004000000-0x0000000004005000-memory.dmp

    Filesize

    20KB

  • memory/3444-17-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/3444-19-0x0000000004000000-0x0000000004005000-memory.dmp

    Filesize

    20KB