General

  • Target

    d4216a074263ea8b5346c98fce937390.exe

  • Size

    1.1MB

  • Sample

    220815-twypjsdafn

  • MD5

    d4216a074263ea8b5346c98fce937390

  • SHA1

    dd53f20dfa19976ec6a0e0ed9519c96e0384f893

  • SHA256

    03aa04ba5e33493632300e4eebfa03226d2e1c2154750b373819c2907428892b

  • SHA512

    2e8c8ffc9df499f7405d5dbe5eacad37b1eb8e5f68c9f3e15bb0d87a15fbeca691e2708da5ce59eb3e744b70231a7955eb2f8e75c8b09e3d65c628e37a9bc17d

Malware Config

Extracted

Family

redline

Botnet

nam3

C2

103.89.90.61:34589

Attributes
  • auth_value

    64b900120bbceaa6a9c60e9079492895

Extracted

Family

redline

Botnet

5

C2

176.113.115.146:9582

Attributes
  • auth_value

    d38b30c1ccd6c1e5088d9e5bd9e51b0f

Targets

    • Target

      d4216a074263ea8b5346c98fce937390.exe

    • Size

      1.1MB

    • MD5

      d4216a074263ea8b5346c98fce937390

    • SHA1

      dd53f20dfa19976ec6a0e0ed9519c96e0384f893

    • SHA256

      03aa04ba5e33493632300e4eebfa03226d2e1c2154750b373819c2907428892b

    • SHA512

      2e8c8ffc9df499f7405d5dbe5eacad37b1eb8e5f68c9f3e15bb0d87a15fbeca691e2708da5ce59eb3e744b70231a7955eb2f8e75c8b09e3d65c628e37a9bc17d

    • 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.

    • Loads dropped DLL

    • 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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks