Analysis

  • max time kernel
    121s
  • max time network
    132s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    29-12-2021 13:56

General

  • Target

    1256bf2bd1e32727eb158c22208864325f73a00dba20d71d17f5703c3fc1e347.exe

  • Size

    6.4MB

  • MD5

    5b8ca4452a18ad1b518fcaf80d5d71fb

  • SHA1

    432b84e875658bfe8536fe86dbc7046565495a24

  • SHA256

    1256bf2bd1e32727eb158c22208864325f73a00dba20d71d17f5703c3fc1e347

  • SHA512

    6ccc0bb2e9b075c260982bce6a1731ea9f2804203b4e67bb6340fe9397b332feef41dcaa851d6e205cebe986f0218e10332d69c01d66b666263a48b3135de46f

Malware Config

Signatures

  • Shurk

    Shurk is an infostealer, written in C++ which appeared in 2021.

  • Shurk Stealer Payload 3 IoCs
  • VMProtect packed file 1 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1256bf2bd1e32727eb158c22208864325f73a00dba20d71d17f5703c3fc1e347.exe
    "C:\Users\Admin\AppData\Local\Temp\1256bf2bd1e32727eb158c22208864325f73a00dba20d71d17f5703c3fc1e347.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:600

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/600-127-0x0000000000400000-0x000000000047D000-memory.dmp

    Filesize

    500KB

  • memory/600-134-0x0000000000400000-0x000000000047D000-memory.dmp

    Filesize

    500KB

  • memory/2640-115-0x00000000015F0000-0x00000000015F1000-memory.dmp

    Filesize

    4KB

  • memory/2640-116-0x0000000001600000-0x0000000001601000-memory.dmp

    Filesize

    4KB

  • memory/2640-117-0x0000000001620000-0x0000000001621000-memory.dmp

    Filesize

    4KB

  • memory/2640-118-0x0000000001630000-0x0000000001631000-memory.dmp

    Filesize

    4KB

  • memory/2640-119-0x0000000001640000-0x0000000001641000-memory.dmp

    Filesize

    4KB

  • memory/2640-120-0x0000000001650000-0x0000000001651000-memory.dmp

    Filesize

    4KB

  • memory/2640-122-0x0000000001970000-0x0000000001971000-memory.dmp

    Filesize

    4KB

  • memory/2640-123-0x00000000003B0000-0x0000000000F2E000-memory.dmp

    Filesize

    11.5MB

  • memory/2640-126-0x0000000001660000-0x0000000001661000-memory.dmp

    Filesize

    4KB