Analysis

  • max time kernel
    129s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-05-2024 09:42

General

  • Target

    b1ac3d340ca22c06fac9192bf042acee.exe

  • Size

    260KB

  • MD5

    b1ac3d340ca22c06fac9192bf042acee

  • SHA1

    83f670e124ba742a45d69597a6ea21acff5b8b80

  • SHA256

    ed5f8ceee34a51795789866886e8e996aa1fb11394b2bc78158a3d9ca79231e6

  • SHA512

    ee4b0a3357782f7540f37ce7a94dcab867cc6d37ec78c35eb7d144e2248ce1357a1a149b25d8a80e93ed0b994d78308ef079159568c5b52fd37c9a599308dac9

  • SSDEEP

    6144:Pqv0NYzpJb3SJzr+LODW7cEVW58zFHvfFqrGeCvfzLOk:sb3iOFZVWOF1wUvrLB

Malware Config

Extracted

Family

redline

Botnet

5345987420

C2

https://pastebin.com/raw/KE5Mft0T

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.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1ac3d340ca22c06fac9192bf042acee.exe
    "C:\Users\Admin\AppData\Local\Temp\b1ac3d340ca22c06fac9192bf042acee.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4712
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2020
      • 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:4668

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4668-14-0x0000000074DD0000-0x0000000075580000-memory.dmp

      Filesize

      7.7MB

    • memory/4668-4-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB

    • memory/4668-15-0x0000000005B50000-0x0000000005B8C000-memory.dmp

      Filesize

      240KB

    • memory/4668-25-0x0000000074DD0000-0x0000000075580000-memory.dmp

      Filesize

      7.7MB

    • memory/4668-23-0x0000000007520000-0x0000000007570000-memory.dmp

      Filesize

      320KB

    • memory/4668-9-0x0000000074DD0000-0x0000000075580000-memory.dmp

      Filesize

      7.7MB

    • memory/4668-10-0x00000000050D0000-0x0000000005136000-memory.dmp

      Filesize

      408KB

    • memory/4668-11-0x0000000005BF0000-0x0000000006208000-memory.dmp

      Filesize

      6.1MB

    • memory/4668-16-0x0000000005B90000-0x0000000005BDC000-memory.dmp

      Filesize

      304KB

    • memory/4668-13-0x00000000057B0000-0x00000000058BA000-memory.dmp

      Filesize

      1.0MB

    • memory/4668-22-0x0000000006AE0000-0x0000000006AFE000-memory.dmp

      Filesize

      120KB

    • memory/4668-21-0x0000000006A60000-0x0000000006AD6000-memory.dmp

      Filesize

      472KB

    • memory/4668-12-0x0000000005680000-0x0000000005692000-memory.dmp

      Filesize

      72KB

    • memory/4668-17-0x00000000067F0000-0x00000000069B2000-memory.dmp

      Filesize

      1.8MB

    • memory/4668-18-0x0000000006EF0000-0x000000000741C000-memory.dmp

      Filesize

      5.2MB

    • memory/4668-19-0x00000000079D0000-0x0000000007F74000-memory.dmp

      Filesize

      5.6MB

    • memory/4668-20-0x00000000069C0000-0x0000000006A52000-memory.dmp

      Filesize

      584KB

    • memory/4712-1-0x00000000007E0000-0x0000000000826000-memory.dmp

      Filesize

      280KB

    • memory/4712-26-0x0000000074DD0000-0x0000000075580000-memory.dmp

      Filesize

      7.7MB

    • memory/4712-8-0x0000000074DD0000-0x0000000075580000-memory.dmp

      Filesize

      7.7MB

    • memory/4712-6-0x0000000074DD0000-0x0000000075580000-memory.dmp

      Filesize

      7.7MB

    • memory/4712-0-0x0000000074DDE000-0x0000000074DDF000-memory.dmp

      Filesize

      4KB