General

  • Target

    79ff85f42095cb721a36127f3e837a5e45a53645398215da960e15308879a58f

  • Size

    980KB

  • Sample

    220810-w5952sdecr

  • MD5

    0341232d23900cb4c2a4de8c8618b887

  • SHA1

    2e1786e38ed0dab09220973160ea046d354343c8

  • SHA256

    79ff85f42095cb721a36127f3e837a5e45a53645398215da960e15308879a58f

  • SHA512

    4e46b36dacd53f8cc1431d0ab18ab54d0dbc6aad08637df41e9654fc12d369c7f4fb6976a8d79664a5d29fc7fbf97ddebb72adf1b0429e54843badf5924455f6

Malware Config

Extracted

Family

redline

Botnet

4

C2

31.41.244.134:11643

Attributes
  • auth_value

    a516b2d034ecd34338f12b50347fbd92

Extracted

Family

redline

Botnet

@tag12312341

C2

62.204.41.144:14096

Attributes
  • auth_value

    71466795417275fac01979e57016e277

Extracted

Family

redline

Botnet

nam3

C2

103.89.90.61:18728

Attributes
  • auth_value

    64b900120bbceaa6a9c60e9079492895

Extracted

Family

redline

C2

213.226.123.169:2014

Attributes
  • auth_value

    5466def9b32e35b6a53d1117abb19867

Targets

    • Target

      79ff85f42095cb721a36127f3e837a5e45a53645398215da960e15308879a58f

    • Size

      980KB

    • MD5

      0341232d23900cb4c2a4de8c8618b887

    • SHA1

      2e1786e38ed0dab09220973160ea046d354343c8

    • SHA256

      79ff85f42095cb721a36127f3e837a5e45a53645398215da960e15308879a58f

    • SHA512

      4e46b36dacd53f8cc1431d0ab18ab54d0dbc6aad08637df41e9654fc12d369c7f4fb6976a8d79664a5d29fc7fbf97ddebb72adf1b0429e54843badf5924455f6

    • RedLine

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

    • RedLine payload

    • Executes dropped EXE

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks