Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-05-2024 14:57

General

  • Target

    1998a377c7bb1ac8d7d9ef4fdd72c4bc6479d87263d40908ca9ea76e5f8f2011.exe

  • Size

    989KB

  • MD5

    3c50d977f47d3c9b4d9a0fb9e62b20b6

  • SHA1

    744f98ec0a9bc23236ce1baa143bbc259afead77

  • SHA256

    1998a377c7bb1ac8d7d9ef4fdd72c4bc6479d87263d40908ca9ea76e5f8f2011

  • SHA512

    78d8a2af91556548a788ac10c50d2d7483f88c8233469dc565e9fd514e08445539a947999892eb486278b4d424d5a049dacd9dbbdf77dfdfda26e4e0f7f3f349

  • SSDEEP

    12288:78pKXIOOVTcldbSBDvIY3Mbw8xiMA2aCLolxjBOTmuOZiUVxQMb12:QpKXNOVTcl8BDvIY3wwIaLfOUVxQ

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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1998a377c7bb1ac8d7d9ef4fdd72c4bc6479d87263d40908ca9ea76e5f8f2011.exe
    "C:\Users\Admin\AppData\Local\Temp\1998a377c7bb1ac8d7d9ef4fdd72c4bc6479d87263d40908ca9ea76e5f8f2011.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3196
    • 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:2312
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3196 -s 216
      2⤵
      • Program crash
      PID:3788
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3196 -ip 3196
    1⤵
      PID:4020

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2312-8-0x0000000006870000-0x00000000068AC000-memory.dmp

      Filesize

      240KB

    • memory/2312-2-0x00000000747AE000-0x00000000747AF000-memory.dmp

      Filesize

      4KB

    • memory/2312-9-0x00000000068B0000-0x00000000068FC000-memory.dmp

      Filesize

      304KB

    • memory/2312-10-0x0000000006BF0000-0x0000000006DB2000-memory.dmp

      Filesize

      1.8MB

    • memory/2312-4-0x0000000005EC0000-0x00000000064D8000-memory.dmp

      Filesize

      6.1MB

    • memory/2312-5-0x0000000005940000-0x0000000005952000-memory.dmp

      Filesize

      72KB

    • memory/2312-6-0x0000000005A70000-0x0000000005B7A000-memory.dmp

      Filesize

      1.0MB

    • memory/2312-7-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/2312-18-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/2312-1-0x0000000000400000-0x0000000000422000-memory.dmp

      Filesize

      136KB

    • memory/2312-3-0x0000000005370000-0x00000000053D6000-memory.dmp

      Filesize

      408KB

    • memory/2312-11-0x00000000072F0000-0x000000000781C000-memory.dmp

      Filesize

      5.2MB

    • memory/2312-12-0x0000000006DC0000-0x0000000006E52000-memory.dmp

      Filesize

      584KB

    • memory/2312-13-0x0000000007DD0000-0x0000000008374000-memory.dmp

      Filesize

      5.6MB

    • memory/2312-14-0x0000000006EE0000-0x0000000006F56000-memory.dmp

      Filesize

      472KB

    • memory/2312-15-0x0000000006E60000-0x0000000006E7E000-memory.dmp

      Filesize

      120KB

    • memory/2312-16-0x0000000006FE0000-0x0000000007030000-memory.dmp

      Filesize

      320KB

    • memory/3196-0-0x0000000000E9A000-0x0000000000E9B000-memory.dmp

      Filesize

      4KB