General

  • Target

    21bb0220ae565f451ccff33f53d8139b429410aaff4f6d715e856e2fc97b9a4f

  • Size

    764KB

  • Sample

    230526-ms3qrsfa88

  • MD5

    3f62d9bdfd71c6176e45c396e5777a21

  • SHA1

    5d90ec91a47d7288f560044ea46d9bc172de698b

  • SHA256

    21bb0220ae565f451ccff33f53d8139b429410aaff4f6d715e856e2fc97b9a4f

  • SHA512

    15833acae7e2aeae63034dd4cebbb9d1211a98971c3ccf47cc67cb100398c1a2f8bb4144da0913eaaf66d24884b3b30efe2f1c37855de10b76cd18403f5ad329

  • SSDEEP

    12288:QMrxy90sLgIEkK4b/cHmHrHHAxIxiEMsWc7orb2ATCcP+MLzq+4dBHmd/LBOEVgB:xyGVW/cHOAV8PvtMvp4fHmdDYA2d

Malware Config

Extracted

Family

redline

Botnet

misa

C2

83.97.73.122:19062

Attributes
  • auth_value

    9e79529a6bdb4962f44d12b0d6d62d32

Extracted

Family

redline

Botnet

goga

C2

83.97.73.122:19062

Attributes
  • auth_value

    6d57dff6d3c42dddb8a76dc276b8467f

Targets

    • Target

      21bb0220ae565f451ccff33f53d8139b429410aaff4f6d715e856e2fc97b9a4f

    • Size

      764KB

    • MD5

      3f62d9bdfd71c6176e45c396e5777a21

    • SHA1

      5d90ec91a47d7288f560044ea46d9bc172de698b

    • SHA256

      21bb0220ae565f451ccff33f53d8139b429410aaff4f6d715e856e2fc97b9a4f

    • SHA512

      15833acae7e2aeae63034dd4cebbb9d1211a98971c3ccf47cc67cb100398c1a2f8bb4144da0913eaaf66d24884b3b30efe2f1c37855de10b76cd18403f5ad329

    • SSDEEP

      12288:QMrxy90sLgIEkK4b/cHmHrHHAxIxiEMsWc7orb2ATCcP+MLzq+4dBHmd/LBOEVgB:xyGVW/cHOAV8PvtMvp4fHmdDYA2d

    • 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