General

  • Target

    Document.pdf.scr

  • Size

    700.0MB

  • Sample

    220804-2zckgsdbek

  • MD5

    2b2400b8f0d578e12b79193ad0ca4de9

  • SHA1

    f9d9f1cdb93a0344e71692260d04d5f2f820d7d5

  • SHA256

    50c4600abe6b9a01aa19a65d6525b0507f943271df564bd7e019e3b5ffa98274

  • SHA512

    6b1b6608476f339ea3ba37b02178a606b51759e4e27e838680c5dc95c5d3e30d712e4dede45c15e9e2b8adbdaea4ae11de9be33b843d0b5aeca4c89fa38565b6

Malware Config

Extracted

Family

redline

Botnet

4

C2

62.204.41.139:25190

Attributes
  • auth_value

    e3f1c684b72f36028881fd28e808729c

Targets

    • Target

      Document.pdf.scr

    • Size

      700.0MB

    • MD5

      2b2400b8f0d578e12b79193ad0ca4de9

    • SHA1

      f9d9f1cdb93a0344e71692260d04d5f2f820d7d5

    • SHA256

      50c4600abe6b9a01aa19a65d6525b0507f943271df564bd7e019e3b5ffa98274

    • SHA512

      6b1b6608476f339ea3ba37b02178a606b51759e4e27e838680c5dc95c5d3e30d712e4dede45c15e9e2b8adbdaea4ae11de9be33b843d0b5aeca4c89fa38565b6

    • RedLine

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

    • RedLine payload

    • Checks computer location settings

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks