Analysis

  • max time kernel
    129s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 05:30

General

  • Target

    4be1f370e880d06da141a2c9957de478c40592a3abf6312aa8c2ef401a37d36b.exe

  • Size

    306KB

  • MD5

    d41a5cd7a3a7870992cfd75c5eff1637

  • SHA1

    8365910e5f8fff802cd8d928351270432128abaa

  • SHA256

    4be1f370e880d06da141a2c9957de478c40592a3abf6312aa8c2ef401a37d36b

  • SHA512

    893c73fe37c917bf3c8557c1344e03daef3d1264a0296847fbd5e667e0070b6c920a58f709ec96bb2c1afd22a485d366479f57911eb5073e4c77e6f43243604e

  • SSDEEP

    6144:vBZd9vSWh60RVAtljy11yiI8iz2jaYO9eGoW/JyL985:JZiWhHE4i6qfRyL985

Malware Config

Extracted

Family

redline

Botnet

5195552529

C2

https://pastebin.com/raw/NgsUAPya

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4be1f370e880d06da141a2c9957de478c40592a3abf6312aa8c2ef401a37d36b.exe
    "C:\Users\Admin\AppData\Local\Temp\4be1f370e880d06da141a2c9957de478c40592a3abf6312aa8c2ef401a37d36b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3232
    • 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:4912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3232 -s 300
      2⤵
      • Program crash
      PID:944
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3232 -ip 3232
    1⤵
      PID:1668

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3232-1-0x00000000005D8000-0x00000000005D9000-memory.dmp

      Filesize

      4KB

    • memory/4912-8-0x0000000006590000-0x00000000065CC000-memory.dmp

      Filesize

      240KB

    • memory/4912-5-0x0000000005770000-0x0000000005782000-memory.dmp

      Filesize

      72KB

    • memory/4912-9-0x00000000065D0000-0x000000000661C000-memory.dmp

      Filesize

      304KB

    • memory/4912-4-0x0000000005D30000-0x0000000006348000-memory.dmp

      Filesize

      6.1MB

    • memory/4912-10-0x00000000068E0000-0x0000000006AA2000-memory.dmp

      Filesize

      1.8MB

    • memory/4912-6-0x00000000058A0000-0x00000000059AA000-memory.dmp

      Filesize

      1.0MB

    • memory/4912-7-0x0000000074C60000-0x0000000075410000-memory.dmp

      Filesize

      7.7MB

    • memory/4912-11-0x0000000006FE0000-0x000000000750C000-memory.dmp

      Filesize

      5.2MB

    • memory/4912-3-0x00000000051C0000-0x0000000005226000-memory.dmp

      Filesize

      408KB

    • memory/4912-2-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

      Filesize

      4KB

    • memory/4912-0-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB

    • memory/4912-12-0x0000000006AB0000-0x0000000006B42000-memory.dmp

      Filesize

      584KB

    • memory/4912-13-0x0000000007AC0000-0x0000000008064000-memory.dmp

      Filesize

      5.6MB

    • memory/4912-15-0x0000000006C20000-0x0000000006C96000-memory.dmp

      Filesize

      472KB

    • memory/4912-14-0x0000000006B50000-0x0000000006BA0000-memory.dmp

      Filesize

      320KB

    • memory/4912-16-0x0000000006EE0000-0x0000000006EFE000-memory.dmp

      Filesize

      120KB

    • memory/4912-18-0x0000000074C60000-0x0000000075410000-memory.dmp

      Filesize

      7.7MB