General

  • Target

    6e55c4781f2a872e95b33240287d602ae64415db3e098f4c2cdaddfdef6415e8

  • Size

    670KB

  • Sample

    230608-t1597agh46

  • MD5

    ed658c42e4d730dacbd8248c80499a83

  • SHA1

    f66bfe5c069ee152a299426f2d19453a52b842c7

  • SHA256

    6e55c4781f2a872e95b33240287d602ae64415db3e098f4c2cdaddfdef6415e8

  • SHA512

    e48d94c1e74ea4790b6c8be7be23e39a43a390f1c26b0535b8baaf6484378653a13c3fe4367ee2fa085245feb8e06456297b85a71b14342e5c2a1b23a49b066c

  • SSDEEP

    12288:RMray90TFCAFfKLEk3qJufXgWbuj3qXlD2VYDhn9mRXoIrK7Jy:vyUHFfOEgTg33q1D2V4n9a4IW7M

Malware Config

Extracted

Family

redline

Botnet

muha

C2

83.97.73.129:19068

Attributes
  • auth_value

    3c237e5fecb41481b7af249e79828a46

Extracted

Family

redline

Botnet

crazy

C2

83.97.73.129:19068

Attributes
  • auth_value

    66bc4d9682ea090eef64a299ece12fdd

Targets

    • Target

      6e55c4781f2a872e95b33240287d602ae64415db3e098f4c2cdaddfdef6415e8

    • Size

      670KB

    • MD5

      ed658c42e4d730dacbd8248c80499a83

    • SHA1

      f66bfe5c069ee152a299426f2d19453a52b842c7

    • SHA256

      6e55c4781f2a872e95b33240287d602ae64415db3e098f4c2cdaddfdef6415e8

    • SHA512

      e48d94c1e74ea4790b6c8be7be23e39a43a390f1c26b0535b8baaf6484378653a13c3fe4367ee2fa085245feb8e06456297b85a71b14342e5c2a1b23a49b066c

    • SSDEEP

      12288:RMray90TFCAFfKLEk3qJufXgWbuj3qXlD2VYDhn9mRXoIrK7Jy:vyUHFfOEgTg33q1D2V4n9a4IW7M

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

2
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks