Analysis

  • max time kernel
    24s
  • max time network
    27s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-04-2024 23:06

General

  • Target

    External v_4.26.exe

  • Size

    279KB

  • MD5

    1b3a071cd0ad94839874a3471e89b8aa

  • SHA1

    ce82ce87e39705d8b05055fbdfacafa675f9b4db

  • SHA256

    4ec76eb7a26ba0b31255b177ff476b0dc2d7cba06dd015eac838cb0e585d1b7f

  • SHA512

    796eda6dece8257d115a98a7ca5c33e39078e8f7275fe17f42d5b73e4d826889a09ae2e2e8f6987630b66d26b2da88f5eabee4a2bb330cf947638590f7169b00

  • SSDEEP

    6144:K/PT2fQDz89hqi1l+t7aelEgNOXG9imxUg:cLCQU9hqi+lEgNoe9x

Malware Config

Signatures

  • Detect ZGRat V1 1 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\External v_4.26.exe
    "C:\Users\Admin\AppData\Local\Temp\External v_4.26.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4468
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3880-14-0x00000000068C0000-0x0000000006ED8000-memory.dmp

    Filesize

    6.1MB

  • memory/3880-20-0x0000000007160000-0x00000000071D6000-memory.dmp

    Filesize

    472KB

  • memory/3880-15-0x0000000006440000-0x000000000654A000-memory.dmp

    Filesize

    1.0MB

  • memory/3880-8-0x00000000057A0000-0x0000000005D46000-memory.dmp

    Filesize

    5.6MB

  • memory/3880-23-0x0000000008B10000-0x000000000903C000-memory.dmp

    Filesize

    5.2MB

  • memory/3880-9-0x00000000052B0000-0x0000000005342000-memory.dmp

    Filesize

    584KB

  • memory/3880-22-0x0000000008410000-0x00000000085D2000-memory.dmp

    Filesize

    1.8MB

  • memory/3880-11-0x0000000005500000-0x0000000005510000-memory.dmp

    Filesize

    64KB

  • memory/3880-16-0x0000000006360000-0x0000000006372000-memory.dmp

    Filesize

    72KB

  • memory/3880-13-0x00000000749A0000-0x0000000075151000-memory.dmp

    Filesize

    7.7MB

  • memory/3880-26-0x00000000749A0000-0x0000000075151000-memory.dmp

    Filesize

    7.7MB

  • memory/3880-4-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3880-12-0x0000000005440000-0x000000000544A000-memory.dmp

    Filesize

    40KB

  • memory/3880-17-0x00000000063C0000-0x00000000063FC000-memory.dmp

    Filesize

    240KB

  • memory/3880-18-0x0000000006550000-0x000000000659C000-memory.dmp

    Filesize

    304KB

  • memory/3880-19-0x00000000066C0000-0x0000000006726000-memory.dmp

    Filesize

    408KB

  • memory/3880-21-0x0000000007100000-0x000000000711E000-memory.dmp

    Filesize

    120KB

  • memory/4468-1-0x00000000749A0000-0x0000000075151000-memory.dmp

    Filesize

    7.7MB

  • memory/4468-10-0x0000000002E10000-0x0000000004E10000-memory.dmp

    Filesize

    32.0MB

  • memory/4468-7-0x00000000749A0000-0x0000000075151000-memory.dmp

    Filesize

    7.7MB

  • memory/4468-24-0x0000000002E10000-0x0000000004E10000-memory.dmp

    Filesize

    32.0MB

  • memory/4468-0-0x0000000000880000-0x00000000008CC000-memory.dmp

    Filesize

    304KB