General

  • Target

    883af237145dbe439c2064877a2779a58036ff613db33c0df62374cf7b236b9c

  • Size

    540KB

  • Sample

    230324-mwtbhadg54

  • MD5

    44c957f829d8a65b42ff3d4849bd6c2b

  • SHA1

    15c9ae3174856edf6c13ee1f1c53b28a4894b56e

  • SHA256

    883af237145dbe439c2064877a2779a58036ff613db33c0df62374cf7b236b9c

  • SHA512

    b53b0d9e6ed8844408190904a7f20b086a9a7910608f48bfa0e2bad794fb19ddbb2349c33aef6bb044ca70994c296a3ffb6513cd245a80783ed1a3425b31c44a

  • SSDEEP

    12288:sMrqy90P7yMOA9m6UcEmYViIbwexoI4+03cTbPD:2yJMOKB7EmQdbwuVakDD

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

bolt

C2

193.233.20.31:4125

Attributes
  • auth_value

    29540c7bf0277243e2faf6601e15a754

Targets

    • Target

      883af237145dbe439c2064877a2779a58036ff613db33c0df62374cf7b236b9c

    • Size

      540KB

    • MD5

      44c957f829d8a65b42ff3d4849bd6c2b

    • SHA1

      15c9ae3174856edf6c13ee1f1c53b28a4894b56e

    • SHA256

      883af237145dbe439c2064877a2779a58036ff613db33c0df62374cf7b236b9c

    • SHA512

      b53b0d9e6ed8844408190904a7f20b086a9a7910608f48bfa0e2bad794fb19ddbb2349c33aef6bb044ca70994c296a3ffb6513cd245a80783ed1a3425b31c44a

    • SSDEEP

      12288:sMrqy90P7yMOA9m6UcEmYViIbwexoI4+03cTbPD:2yJMOKB7EmQdbwuVakDD

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Tasks