Analysis

  • max time kernel
    95s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 15:13

General

  • Target

    f5bf4176434a177447cba0b0c44a2aa84c6964ac958276a5f3d28429824e6a17.exe

  • Size

    274KB

  • MD5

    db728cbf359c37fe47ef07fef8648cdf

  • SHA1

    6bbde5a35fb494a1b3ba4bdefce2e813e04f6853

  • SHA256

    f5bf4176434a177447cba0b0c44a2aa84c6964ac958276a5f3d28429824e6a17

  • SHA512

    79daac25200bd5b39c6ee63ff11d00dc684650e5abb1bbef1c459c2167906cb33d821e4fb838c591393f7f2258337e10d8018aa0cb35103e2a64be492c341e9b

  • SSDEEP

    6144:/BeaoQWhlmgEkiJUS+1zTi7IhVFzHoCuuiwpH:peaZ0wYZhjI4pH

Malware Config

Extracted

Family

redline

Botnet

581694481

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 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5bf4176434a177447cba0b0c44a2aa84c6964ac958276a5f3d28429824e6a17.exe
    "C:\Users\Admin\AppData\Local\Temp\f5bf4176434a177447cba0b0c44a2aa84c6964ac958276a5f3d28429824e6a17.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4060
      • 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:2320
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2976 -s 364
        2⤵
        • Program crash
        PID:3600
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2976 -ip 2976
      1⤵
        PID:1692

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2320-8-0x0000000006300000-0x000000000633C000-memory.dmp

        Filesize

        240KB

      • memory/2320-2-0x000000007479E000-0x000000007479F000-memory.dmp

        Filesize

        4KB

      • memory/2320-9-0x0000000006340000-0x000000000638C000-memory.dmp

        Filesize

        304KB

      • memory/2320-10-0x0000000006680000-0x0000000006842000-memory.dmp

        Filesize

        1.8MB

      • memory/2320-4-0x0000000005A90000-0x00000000060A8000-memory.dmp

        Filesize

        6.1MB

      • memory/2320-5-0x0000000005510000-0x0000000005522000-memory.dmp

        Filesize

        72KB

      • memory/2320-6-0x0000000005640000-0x000000000574A000-memory.dmp

        Filesize

        1.0MB

      • memory/2320-7-0x0000000074790000-0x0000000074F40000-memory.dmp

        Filesize

        7.7MB

      • memory/2320-18-0x0000000074790000-0x0000000074F40000-memory.dmp

        Filesize

        7.7MB

      • memory/2320-1-0x0000000000400000-0x0000000000422000-memory.dmp

        Filesize

        136KB

      • memory/2320-3-0x0000000004FC0000-0x0000000005026000-memory.dmp

        Filesize

        408KB

      • memory/2320-11-0x0000000006D80000-0x00000000072AC000-memory.dmp

        Filesize

        5.2MB

      • memory/2320-12-0x0000000006850000-0x00000000068E2000-memory.dmp

        Filesize

        584KB

      • memory/2320-13-0x0000000007860000-0x0000000007E04000-memory.dmp

        Filesize

        5.6MB

      • memory/2320-14-0x0000000006970000-0x00000000069E6000-memory.dmp

        Filesize

        472KB

      • memory/2320-15-0x00000000068F0000-0x000000000690E000-memory.dmp

        Filesize

        120KB

      • memory/2320-16-0x0000000006CD0000-0x0000000006D20000-memory.dmp

        Filesize

        320KB

      • memory/2976-0-0x0000000000A51000-0x0000000000A52000-memory.dmp

        Filesize

        4KB