Analysis

  • max time kernel
    141s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 18:07

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 11 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:2008
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1808
      • 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:4308
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 312
        2⤵
        • Program crash
        PID:3096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2008 -ip 2008
      1⤵
        PID:2552

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2008-0-0x0000000000838000-0x0000000000839000-memory.dmp

        Filesize

        4KB

      • memory/4308-8-0x00000000065B0000-0x00000000065EC000-memory.dmp

        Filesize

        240KB

      • memory/4308-5-0x00000000057C0000-0x00000000057D2000-memory.dmp

        Filesize

        72KB

      • memory/4308-9-0x00000000065F0000-0x000000000663C000-memory.dmp

        Filesize

        304KB

      • memory/4308-4-0x0000000005D40000-0x0000000006358000-memory.dmp

        Filesize

        6.1MB

      • memory/4308-10-0x0000000006930000-0x0000000006AF2000-memory.dmp

        Filesize

        1.8MB

      • memory/4308-6-0x00000000058F0000-0x00000000059FA000-memory.dmp

        Filesize

        1.0MB

      • memory/4308-7-0x0000000074CE0000-0x0000000075490000-memory.dmp

        Filesize

        7.7MB

      • memory/4308-11-0x0000000007030000-0x000000000755C000-memory.dmp

        Filesize

        5.2MB

      • memory/4308-3-0x0000000005230000-0x0000000005296000-memory.dmp

        Filesize

        408KB

      • memory/4308-2-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

        Filesize

        4KB

      • memory/4308-1-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/4308-12-0x0000000007B10000-0x00000000080B4000-memory.dmp

        Filesize

        5.6MB

      • memory/4308-13-0x0000000006CE0000-0x0000000006D72000-memory.dmp

        Filesize

        584KB

      • memory/4308-14-0x0000000006B80000-0x0000000006BF6000-memory.dmp

        Filesize

        472KB

      • memory/4308-15-0x0000000006B00000-0x0000000006B1E000-memory.dmp

        Filesize

        120KB

      • memory/4308-16-0x0000000006C50000-0x0000000006CA0000-memory.dmp

        Filesize

        320KB

      • memory/4308-18-0x0000000074CE0000-0x0000000075490000-memory.dmp

        Filesize

        7.7MB