Analysis

  • max time kernel
    90s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18-05-2022 00:34

General

  • Target

    c0985e8fa2d0a194b764f7641b74a187.exe

  • Size

    1.4MB

  • MD5

    c0985e8fa2d0a194b764f7641b74a187

  • SHA1

    0050f628b046297a26492f058c198f406be802cf

  • SHA256

    02a5a4a60619915dd81f8a178298793689088cbfd0523b6b99ab99c85c51298e

  • SHA512

    f5c8385ddd671aaf4f6adacfa82bdb64815caf3d3ee49f597ccf37cb49523f414804880b97c4234d85d6c330b232ea1fe4937d601c1c627969cfd697cde2089f

Malware Config

Extracted

Family

redline

Botnet

TORRENTOLD

C2

193.142.146.212:28823

Attributes
  • auth_value

    74e1b58bf920611f04c0e3919954fe05

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0985e8fa2d0a194b764f7641b74a187.exe
    "C:\Users\Admin\AppData\Local\Temp\c0985e8fa2d0a194b764f7641b74a187.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4216
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
        PID:4312
      • 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:1200

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    2
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1200-142-0x0000000005E70000-0x0000000005E8E000-memory.dmp
      Filesize

      120KB

    • memory/1200-136-0x0000000000400000-0x0000000000420000-memory.dmp
      Filesize

      128KB

    • memory/1200-145-0x0000000008180000-0x00000000086AC000-memory.dmp
      Filesize

      5.2MB

    • memory/1200-144-0x0000000007A80000-0x0000000007C42000-memory.dmp
      Filesize

      1.8MB

    • memory/1200-138-0x00000000051E0000-0x00000000051F2000-memory.dmp
      Filesize

      72KB

    • memory/1200-135-0x0000000000000000-mapping.dmp
    • memory/1200-143-0x0000000006CB0000-0x0000000006D00000-memory.dmp
      Filesize

      320KB

    • memory/1200-137-0x0000000005750000-0x0000000005D68000-memory.dmp
      Filesize

      6.1MB

    • memory/1200-141-0x00000000055D0000-0x0000000005646000-memory.dmp
      Filesize

      472KB

    • memory/1200-139-0x0000000005310000-0x000000000541A000-memory.dmp
      Filesize

      1.0MB

    • memory/1200-140-0x0000000005240000-0x000000000527C000-memory.dmp
      Filesize

      240KB

    • memory/4216-130-0x0000000000D40000-0x0000000000EAE000-memory.dmp
      Filesize

      1.4MB

    • memory/4216-131-0x00000000058F0000-0x0000000005956000-memory.dmp
      Filesize

      408KB

    • memory/4216-133-0x000000002D830000-0x000000002DDD4000-memory.dmp
      Filesize

      5.6MB

    • memory/4216-132-0x000000002D1E0000-0x000000002D272000-memory.dmp
      Filesize

      584KB

    • memory/4312-134-0x0000000000000000-mapping.dmp