General

  • Target

    3573fc8081eee2e0024d9c22c1e3e441ab995b649d357231e2040e5255bf08c9

  • Size

    771KB

  • Sample

    230526-2kd5rshd95

  • MD5

    72491a27b3fb67adc9b51ba8776d968e

  • SHA1

    f924e590430eb53e8c9580a2e2e63c57469956b0

  • SHA256

    3573fc8081eee2e0024d9c22c1e3e441ab995b649d357231e2040e5255bf08c9

  • SHA512

    9124825a3046be22fc8798942042112bac57fb9a77e03af0ef76cbd32beb84430b22e7e6388dbc3ad4cb90523f2c8ed6ecaa2ae2b0861ff64d29ada0201a6302

  • SSDEEP

    12288:WMrzy909eaDO5fJemFWYifhwZMTMHrxAPI4K3L8e+ckT/k+jfN6:ly0O5JNFW3fhwsMLxp4K3LMbvjl6

Malware Config

Extracted

Family

redline

Botnet

disa

C2

83.97.73.122:19062

Attributes
  • auth_value

    93f8c4ca7000e3381dd4b6b86434de05

Extracted

Family

redline

Botnet

goga

C2

83.97.73.122:19062

Attributes
  • auth_value

    6d57dff6d3c42dddb8a76dc276b8467f

Targets

    • Target

      3573fc8081eee2e0024d9c22c1e3e441ab995b649d357231e2040e5255bf08c9

    • Size

      771KB

    • MD5

      72491a27b3fb67adc9b51ba8776d968e

    • SHA1

      f924e590430eb53e8c9580a2e2e63c57469956b0

    • SHA256

      3573fc8081eee2e0024d9c22c1e3e441ab995b649d357231e2040e5255bf08c9

    • SHA512

      9124825a3046be22fc8798942042112bac57fb9a77e03af0ef76cbd32beb84430b22e7e6388dbc3ad4cb90523f2c8ed6ecaa2ae2b0861ff64d29ada0201a6302

    • SSDEEP

      12288:WMrzy909eaDO5fJemFWYifhwZMTMHrxAPI4K3L8e+ckT/k+jfN6:ly0O5JNFW3fhwsMLxp4K3LMbvjl6

    • 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.

    • 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

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks