Analysis

  • max time kernel
    145s
  • max time network
    151s
  • 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 12:11

General

  • Target

    55b18033bb16a6ebd933d4b24c7828c19ea0ec0937cbb06be066053c204d9753.exe

  • Size

    469KB

  • MD5

    051f65734fe5b3908b4e8c8810866caa

  • SHA1

    c94cfcbd18c595495d8851679c3a7eb6e6af1ec3

  • SHA256

    55b18033bb16a6ebd933d4b24c7828c19ea0ec0937cbb06be066053c204d9753

  • SHA512

    8a4770ca61f2a3f42631f61b55f256e362bb8c6766566ee6a1c18714d6e5f3f5590a1bf01f6d4ac0be80077c5a306acf6ed95338e0bb0731c35a352386f35b8a

  • SSDEEP

    12288:ulBmU+zoOXc065zzMWv9yT2EyBkXoGzud3Kiz7xhGupT:M6zoOCzzMWVpEyedyd3/xhlT

Malware Config

Extracted

Family

redline

Botnet

@mass1vexdd

C2

45.15.156.167:80

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\55b18033bb16a6ebd933d4b24c7828c19ea0ec0937cbb06be066053c204d9753.exe
    "C:\Users\Admin\AppData\Local\Temp\55b18033bb16a6ebd933d4b24c7828c19ea0ec0937cbb06be066053c204d9753.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1192
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Modifies system certificate store
      PID:3016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1192 -s 356
      2⤵
      • Program crash
      PID:4484
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1192 -ip 1192
    1⤵
      PID:692

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Tmp4815.tmp

      Filesize

      2KB

      MD5

      1420d30f964eac2c85b2ccfe968eebce

      SHA1

      bdf9a6876578a3e38079c4f8cf5d6c79687ad750

      SHA256

      f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9

      SHA512

      6fcb6ce148e1e246d6805502d4914595957061946751656567a5013d96033dd1769a22a87c45821e7542cde533450e41182cee898cd2ccf911c91bc4822371a8

    • memory/1192-0-0x0000000000C72000-0x0000000000C73000-memory.dmp

      Filesize

      4KB

    • memory/3016-23-0x0000000005B20000-0x0000000005B96000-memory.dmp

      Filesize

      472KB

    • memory/3016-24-0x00000000062D0000-0x00000000062EE000-memory.dmp

      Filesize

      120KB

    • memory/3016-4-0x0000000004F60000-0x0000000004FF2000-memory.dmp

      Filesize

      584KB

    • memory/3016-5-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

      Filesize

      40KB

    • memory/3016-6-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3016-2-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

      Filesize

      4KB

    • memory/3016-1-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/3016-3-0x0000000005470000-0x0000000005A14000-memory.dmp

      Filesize

      5.6MB

    • memory/3016-27-0x0000000006C60000-0x0000000007278000-memory.dmp

      Filesize

      6.1MB

    • memory/3016-29-0x0000000006750000-0x0000000006762000-memory.dmp

      Filesize

      72KB

    • memory/3016-28-0x00000000067D0000-0x00000000068DA000-memory.dmp

      Filesize

      1.0MB

    • memory/3016-30-0x00000000068E0000-0x000000000691C000-memory.dmp

      Filesize

      240KB

    • memory/3016-31-0x0000000006920000-0x000000000696C000-memory.dmp

      Filesize

      304KB

    • memory/3016-32-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

      Filesize

      4KB

    • memory/3016-33-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB