General

  • Target

    ef193f0735293821d076bd2dc78c2260320d8a3d61b094b1e6494495cd77a990.exe

  • Size

    1.1MB

  • Sample

    230514-xabvfadb23

  • MD5

    78bbec22b5b82c216be95ccb8a91a771

  • SHA1

    99ba8a070d699ff437d35259dd5995cbefc8125c

  • SHA256

    ef193f0735293821d076bd2dc78c2260320d8a3d61b094b1e6494495cd77a990

  • SHA512

    170524feae7587a0701d873b445a06a301c775fb9b50513764fd08f90f688bc49db2314c2f691d75baaa017d35421242b546fe958f9e5229cd0e0f33b4ad5881

  • SSDEEP

    24576:6y8tCFqgLwa6qTPdRbp+fnBBKTw9X6+mnl+moKkpLq:B8tjoRDTPdYnx5snlcK

Malware Config

Extracted

Family

redline

Botnet

messi

C2

185.161.248.75:4132

Attributes
  • auth_value

    b602b28664bb738e322d37baab91db28

Extracted

Family

redline

Botnet

warum

C2

185.161.248.75:4132

Attributes
  • auth_value

    0bdb2dda91dadc65f555dee088a6a2a4

Targets

    • Target

      ef193f0735293821d076bd2dc78c2260320d8a3d61b094b1e6494495cd77a990.exe

    • Size

      1.1MB

    • MD5

      78bbec22b5b82c216be95ccb8a91a771

    • SHA1

      99ba8a070d699ff437d35259dd5995cbefc8125c

    • SHA256

      ef193f0735293821d076bd2dc78c2260320d8a3d61b094b1e6494495cd77a990

    • SHA512

      170524feae7587a0701d873b445a06a301c775fb9b50513764fd08f90f688bc49db2314c2f691d75baaa017d35421242b546fe958f9e5229cd0e0f33b4ad5881

    • SSDEEP

      24576:6y8tCFqgLwa6qTPdRbp+fnBBKTw9X6+mnl+moKkpLq:B8tjoRDTPdYnx5snlcK

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks