Analysis

  • max time kernel
    49s
  • max time network
    59s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-07-2022 10:26

General

  • Target

    tmp.exe

  • Size

    374KB

  • MD5

    ca9ae557fdca0afb5911b5ce62d200ef

  • SHA1

    0816a2ab976b9be91f7587eaddca610e59feed14

  • SHA256

    7fa1004ce473bdc7304da7580775a50ba57c0225e91362e868c2df2a60588cc3

  • SHA512

    2f2f4efefbb1e764c44ae1fe40c3f2b4fb80ba1a1fc74ca29cf038c051d287dc08617dc72394619fa1528438a38d180ef7c4bd1d70383cc3feb322473e9127b5

Malware Config

Extracted

Family

redline

Botnet

TPB-ACTIVATOR

C2

amrican-sport-live-stream.cc:4581

Attributes
  • auth_value

    df7c91432437b11d8f25d54ba7832b8d

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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 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:4212
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
        PID:4996
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        2⤵
          PID:2928
        • 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:2796

      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/2796-142-0x000000000ADA0000-0x000000000ADDC000-memory.dmp
        Filesize

        240KB

      • memory/2796-143-0x000000000BD60000-0x000000000BDD6000-memory.dmp
        Filesize

        472KB

      • memory/2796-139-0x000000000B2A0000-0x000000000B8B8000-memory.dmp
        Filesize

        6.1MB

      • memory/2796-140-0x000000000AD40000-0x000000000AD52000-memory.dmp
        Filesize

        72KB

      • memory/2796-138-0x0000000000400000-0x0000000000444000-memory.dmp
        Filesize

        272KB

      • memory/2796-146-0x000000000DBF0000-0x000000000E11C000-memory.dmp
        Filesize

        5.2MB

      • memory/2796-137-0x0000000000000000-mapping.dmp
      • memory/2796-147-0x000000000C870000-0x000000000C8C0000-memory.dmp
        Filesize

        320KB

      • memory/2796-145-0x000000000D4F0000-0x000000000D6B2000-memory.dmp
        Filesize

        1.8MB

      • memory/2796-144-0x000000000C420000-0x000000000C43E000-memory.dmp
        Filesize

        120KB

      • memory/2796-141-0x000000000AE70000-0x000000000AF7A000-memory.dmp
        Filesize

        1.0MB

      • memory/2928-136-0x0000000000000000-mapping.dmp
      • memory/4212-132-0x0000000004DE0000-0x0000000004E72000-memory.dmp
        Filesize

        584KB

      • memory/4212-130-0x00000000004B0000-0x0000000000512000-memory.dmp
        Filesize

        392KB

      • memory/4212-133-0x0000000004D70000-0x0000000004D7A000-memory.dmp
        Filesize

        40KB

      • memory/4212-131-0x00000000054F0000-0x0000000005A94000-memory.dmp
        Filesize

        5.6MB

      • memory/4212-134-0x0000000038090000-0x00000000380F6000-memory.dmp
        Filesize

        408KB

      • memory/4996-135-0x0000000000000000-mapping.dmp