Analysis

  • max time kernel
    91s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-08-2022 05:24

General

  • Target

    tmp.exe

  • Size

    784KB

  • MD5

    43089a1a50b1981a4dba7959e31e62f1

  • SHA1

    c8db527eba66719e365672a17bd1eddc2085de9a

  • SHA256

    4fb57da6d703e8bebfdd51b7f579fb36127eee300880eeb5ca2be3f00cce154e

  • SHA512

    2777758eff7684d51ca8bc060f0652c14ef6999375061262acb5a741a2c927cfefe46bbbe733530777bd1d08893cce8e7f0631e157ff2069f6c75c5f3624b0fa

Malware Config

Extracted

Family

redline

Botnet

TORRENTOLD

C2

amrican-sport-live-stream.cc:4581

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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
        PID:2912
      • 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:1828

    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/1696-132-0x0000000000C90000-0x0000000000D5A000-memory.dmp
      Filesize

      808KB

    • memory/1696-133-0x00000000058F0000-0x0000000005912000-memory.dmp
      Filesize

      136KB

    • memory/1696-134-0x000000002C7E0000-0x000000002C846000-memory.dmp
      Filesize

      408KB

    • memory/1696-135-0x000000002CC90000-0x000000002CD22000-memory.dmp
      Filesize

      584KB

    • memory/1696-136-0x000000002D2E0000-0x000000002D884000-memory.dmp
      Filesize

      5.6MB

    • memory/1828-140-0x000000000AF20000-0x000000000B538000-memory.dmp
      Filesize

      6.1MB

    • memory/1828-138-0x0000000000000000-mapping.dmp
    • memory/1828-139-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB

    • memory/1828-141-0x000000000A9C0000-0x000000000A9D2000-memory.dmp
      Filesize

      72KB

    • memory/1828-142-0x000000000AAF0000-0x000000000ABFA000-memory.dmp
      Filesize

      1.0MB

    • memory/1828-143-0x000000000AA20000-0x000000000AA5C000-memory.dmp
      Filesize

      240KB

    • memory/1828-144-0x000000000B8C0000-0x000000000B936000-memory.dmp
      Filesize

      472KB

    • memory/1828-145-0x000000000BAE0000-0x000000000BAFE000-memory.dmp
      Filesize

      120KB

    • memory/1828-146-0x000000000C5E0000-0x000000000C7A2000-memory.dmp
      Filesize

      1.8MB

    • memory/1828-147-0x000000000CCE0000-0x000000000D20C000-memory.dmp
      Filesize

      5.2MB

    • memory/1828-148-0x000000000C7B0000-0x000000000C800000-memory.dmp
      Filesize

      320KB

    • memory/2912-137-0x0000000000000000-mapping.dmp