Analysis

  • max time kernel
    91s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2022 08:00

General

  • Target

    321b7072a0ea33c36933b98b6523eaf4dead69a8e90dc032f8a4b10cfb835b1e.exe

  • Size

    398KB

  • MD5

    bb329fed961e356f7103c804a960e7db

  • SHA1

    5164fa618d677b5208e81de16ab0613aa3fca5f1

  • SHA256

    321b7072a0ea33c36933b98b6523eaf4dead69a8e90dc032f8a4b10cfb835b1e

  • SHA512

    112647e5c8d6989d7906439b610af6fa8d798d577e305912b149c30cec024ba817b8e46b6980ead2f50e9e648219c76d5cbc4d2e50cd53a50cc7f4f4423f2faa

  • SSDEEP

    12288:Gygxer6dluLigEZoNZaMuWANOYzGmzRP7:AuOdZ6ZBuNOLmzh7

Malware Config

Extracted

Family

redline

Botnet

11

C2

79.137.202.18:45218

Attributes
  • auth_value

    107e09eee63158d2488feb03dac75204

Signatures

  • RedLine

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

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\321b7072a0ea33c36933b98b6523eaf4dead69a8e90dc032f8a4b10cfb835b1e.exe
    "C:\Users\Admin\AppData\Local\Temp\321b7072a0ea33c36933b98b6523eaf4dead69a8e90dc032f8a4b10cfb835b1e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2728
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4984
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 452
      2⤵
      • Program crash
      PID:1280
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2728 -ip 2728
    1⤵
      PID:3344

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Defense Evasion

    Scripting

    1
    T1064

    Credential Access

    Credentials in Files

    1
    T1081

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4984-132-0x0000000000000000-mapping.dmp
    • memory/4984-133-0x0000000000400000-0x0000000000432000-memory.dmp
      Filesize

      200KB

    • memory/4984-138-0x0000000005790000-0x0000000005DA8000-memory.dmp
      Filesize

      6.1MB

    • memory/4984-139-0x0000000005280000-0x000000000538A000-memory.dmp
      Filesize

      1.0MB

    • memory/4984-140-0x00000000051A0000-0x00000000051B2000-memory.dmp
      Filesize

      72KB

    • memory/4984-141-0x0000000005200000-0x000000000523C000-memory.dmp
      Filesize

      240KB

    • memory/4984-142-0x0000000005580000-0x0000000005612000-memory.dmp
      Filesize

      584KB

    • memory/4984-143-0x0000000006360000-0x0000000006904000-memory.dmp
      Filesize

      5.6MB

    • memory/4984-144-0x0000000005720000-0x0000000005786000-memory.dmp
      Filesize

      408KB

    • memory/4984-145-0x0000000006210000-0x0000000006286000-memory.dmp
      Filesize

      472KB

    • memory/4984-146-0x0000000006290000-0x00000000062E0000-memory.dmp
      Filesize

      320KB

    • memory/4984-147-0x0000000006AE0000-0x0000000006CA2000-memory.dmp
      Filesize

      1.8MB

    • memory/4984-148-0x00000000071E0000-0x000000000770C000-memory.dmp
      Filesize

      5.2MB