General

  • Target

    a873299e61c48e89a82f9916dc8bb4f7a95a62fd59cebea18a7e853df5b3465c

  • Size

    729KB

  • Sample

    230605-qargkahc7w

  • MD5

    c757a313578ae1dcf8c9ebc6bd7bddaa

  • SHA1

    bcefec8ddcba79bbfca820f59b5ae24ca9d21aeb

  • SHA256

    a873299e61c48e89a82f9916dc8bb4f7a95a62fd59cebea18a7e853df5b3465c

  • SHA512

    6f48c0b1cab594dcb0558c54e70eab1638e6e9265b55e448b56b8cee1ef2024e204412ba0b193cdfea44009be2660f0a5ab49a73d13c2a288948afd0c8c5c414

  • SSDEEP

    12288:3MrAy90jSmDkjvXjfB2H1P4CrVDBE8iCh1zAL1b5G5I3QcH3Qbm6KLz9jh+dA:rymojk1P4Cr1BoexGbyeX3Ym5z9AdA

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.126:19048

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Extracted

Family

redline

Botnet

metro

C2

83.97.73.126:19048

Attributes
  • auth_value

    f7fd4aa816bdbaad933b45b51d9b6b1a

Extracted

Family

redline

Botnet

diza

C2

83.97.73.126:19048

Attributes
  • auth_value

    0d09b419c8bc967f91c68be4a17e92ee

Targets

    • Target

      a873299e61c48e89a82f9916dc8bb4f7a95a62fd59cebea18a7e853df5b3465c

    • Size

      729KB

    • MD5

      c757a313578ae1dcf8c9ebc6bd7bddaa

    • SHA1

      bcefec8ddcba79bbfca820f59b5ae24ca9d21aeb

    • SHA256

      a873299e61c48e89a82f9916dc8bb4f7a95a62fd59cebea18a7e853df5b3465c

    • SHA512

      6f48c0b1cab594dcb0558c54e70eab1638e6e9265b55e448b56b8cee1ef2024e204412ba0b193cdfea44009be2660f0a5ab49a73d13c2a288948afd0c8c5c414

    • SSDEEP

      12288:3MrAy90jSmDkjvXjfB2H1P4CrVDBE8iCh1zAL1b5G5I3QcH3Qbm6KLz9jh+dA:rymojk1P4Cr1BoexGbyeX3Ym5z9AdA

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • 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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks