Analysis

  • max time kernel
    144s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    20-03-2022 00:44

General

  • Target

    9c07b15fdffb8da8cc7262c95f913e5f97db2a024377a1945c827fffd7b3f25f.exe

  • Size

    3.9MB

  • MD5

    cd024373c964b18ab9fd7974a1e494fa

  • SHA1

    bb185ebb6e70038a90595f94dac03ee9217aa026

  • SHA256

    9c07b15fdffb8da8cc7262c95f913e5f97db2a024377a1945c827fffd7b3f25f

  • SHA512

    3832fc4d35454bf15a57dd75299248b057ef64b3950e5632b7165bdaff9f94cafdb199bd75fbae63bf0119b840ddeeec97c2253bb94811ff8651788be5d0b6a6

Score
10/10

Malware Config

Signatures

  • Shurk

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

  • Shurk Stealer Payload 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c07b15fdffb8da8cc7262c95f913e5f97db2a024377a1945c827fffd7b3f25f.exe
    "C:\Users\Admin\AppData\Local\Temp\9c07b15fdffb8da8cc7262c95f913e5f97db2a024377a1945c827fffd7b3f25f.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4360
    • C:\Users\Admin\AppData\Local\Temp\9c07b15fdffb8da8cc7262c95f913e5f97db2a024377a1945c827fffd7b3f25f.exe
      "C:\Users\Admin\AppData\Local\Temp\9c07b15fdffb8da8cc7262c95f913e5f97db2a024377a1945c827fffd7b3f25f.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4080
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 432
        3⤵
        • Program crash
        PID:4712
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 432
        3⤵
        • Program crash
        PID:1760
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4360 -s 1036
      2⤵
      • Program crash
      PID:1568
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4080 -ip 4080
    1⤵
      PID:1376
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4360 -ip 4360
      1⤵
        PID:2960

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4080-141-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4080-142-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4080-143-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4360-134-0x00000000748C0000-0x0000000075070000-memory.dmp

        Filesize

        7.7MB

      • memory/4360-135-0x0000000000350000-0x0000000000734000-memory.dmp

        Filesize

        3.9MB

      • memory/4360-136-0x0000000005570000-0x0000000005B14000-memory.dmp

        Filesize

        5.6MB

      • memory/4360-137-0x00000000050C0000-0x000000000515C000-memory.dmp

        Filesize

        624KB

      • memory/4360-138-0x0000000005200000-0x0000000005292000-memory.dmp

        Filesize

        584KB

      • memory/4360-139-0x0000000004FC0000-0x0000000005564000-memory.dmp

        Filesize

        5.6MB

      • memory/4360-140-0x0000000005160000-0x000000000516A000-memory.dmp

        Filesize

        40KB