Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/08/2023, 15:29

General

  • Target

    3d54f10e6726b1828ac0252c4bd80e0c4777bba4b34486c217bf2e629b8e67a8_JC.exe

  • Size

    1.5MB

  • MD5

    97ec989085e99d2df0426b73620812b0

  • SHA1

    3e0f2934165679dd59094e75915a222d5788f381

  • SHA256

    3d54f10e6726b1828ac0252c4bd80e0c4777bba4b34486c217bf2e629b8e67a8

  • SHA512

    8ef9f76d00b8cefa56806420d2602b667c700b253c6f61f954935865d1c921fffb002911ce3c4da57d9038e9fc87bcd5e0ef46ea6f2454114b8cd92939cd30a5

  • SSDEEP

    12288:wL1Gr7+TspeaV64tA0sMdrl3xWzWF+ZuIXW3GAuk2RxRSzG:Vr7+TspeaV64yIlB472CZRxa

Score
10/10

Malware Config

Extracted

Family

stealc

C2

http://94.131.107.238/3aa13fff14e398a1.php

Signatures

  • Stealc

    Stealc is an infostealer written in C++.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d54f10e6726b1828ac0252c4bd80e0c4777bba4b34486c217bf2e629b8e67a8_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\3d54f10e6726b1828ac0252c4bd80e0c4777bba4b34486c217bf2e629b8e67a8_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4448
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3752 -s 1220
        3⤵
        • Program crash
        PID:2640
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3752 -ip 3752
    1⤵
      PID:4428

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3752-134-0x0000000000400000-0x000000000062D000-memory.dmp

      Filesize

      2.2MB

    • memory/3752-137-0x0000000000400000-0x000000000062D000-memory.dmp

      Filesize

      2.2MB

    • memory/3752-138-0x0000000000400000-0x000000000062D000-memory.dmp

      Filesize

      2.2MB

    • memory/3752-139-0x0000000000400000-0x000000000062D000-memory.dmp

      Filesize

      2.2MB

    • memory/3752-140-0x0000000000400000-0x000000000062D000-memory.dmp

      Filesize

      2.2MB

    • memory/4448-133-0x0000000000160000-0x000000000033A000-memory.dmp

      Filesize

      1.9MB

    • memory/4448-136-0x0000000000160000-0x000000000033A000-memory.dmp

      Filesize

      1.9MB