Analysis

  • max time kernel
    140s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220722-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-08-2022 11:59

General

  • Target

    bbb.exe

  • Size

    175KB

  • MD5

    b276d1d3b95d8c2f813c52031b583aae

  • SHA1

    7b7d8c4eeb1d0e3b3e95c2bfa5c4e168ae080d21

  • SHA256

    30da9c07f704aaf5052ca6f40dd0db10b98221b7d6ebdca493298956260bd151

  • SHA512

    deeb3f0a54f1714a9636c71a8b070c17deefcb06fd530951cdb121aefef94bdede4a3404ced4bdd4368bc99a7f1438ae175c063ea335ba895dd6cb383cf31f06

Malware Config

Extracted

Family

redline

Botnet

word

C2

81.19.141.20:31338

Attributes
  • auth_value

    3f5c83b2e97fa6c2f6a051fc94b43620

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
  • Often Ransomware samples write a note containing information on how to pay the ransom. 1 IoCs

    Often Ransomware samples write a note containing information on how to pay the ransom.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bbb.exe
    "C:\Users\Admin\AppData\Local\Temp\bbb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1592
    • 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:4240

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/1592-132-0x0000000000680000-0x00000000006B2000-memory.dmp
    Filesize

    200KB

  • memory/4240-133-0x0000000000000000-mapping.dmp
  • memory/4240-134-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/4240-135-0x0000000005C30000-0x0000000006248000-memory.dmp
    Filesize

    6.1MB

  • memory/4240-136-0x00000000056C0000-0x00000000056D2000-memory.dmp
    Filesize

    72KB

  • memory/4240-137-0x00000000057F0000-0x00000000058FA000-memory.dmp
    Filesize

    1.0MB

  • memory/4240-138-0x0000000005760000-0x000000000579C000-memory.dmp
    Filesize

    240KB

  • memory/4240-139-0x0000000005A60000-0x0000000005AC6000-memory.dmp
    Filesize

    408KB

  • memory/4240-140-0x0000000006B00000-0x00000000070A4000-memory.dmp
    Filesize

    5.6MB

  • memory/4240-141-0x0000000006630000-0x00000000066C2000-memory.dmp
    Filesize

    584KB

  • memory/4240-142-0x00000000066D0000-0x0000000006746000-memory.dmp
    Filesize

    472KB

  • memory/4240-143-0x00000000067D0000-0x00000000067EE000-memory.dmp
    Filesize

    120KB

  • memory/4240-144-0x00000000070B0000-0x0000000007100000-memory.dmp
    Filesize

    320KB

  • memory/4240-145-0x00000000080C0000-0x0000000008282000-memory.dmp
    Filesize

    1.8MB

  • memory/4240-146-0x00000000087C0000-0x0000000008CEC000-memory.dmp
    Filesize

    5.2MB