General

  • Target

    72bc725dcbf570567645b209fc685f79.exe

  • Size

    916KB

  • Sample

    220816-h3slbsdhfp

  • MD5

    72bc725dcbf570567645b209fc685f79

  • SHA1

    a6a2b06f126b3483908073a9bf7f0bd3b0a5885a

  • SHA256

    4c8662f187b984c7ad509d766d9514542f26ec38e8961097dd17282f0e7c6a1d

  • SHA512

    1208956e5c45022f775587dc6fb828472644d6f9fb6f85629861917a77f8df5029f0e579ed23bdea90b8334f2c708843ab838a0156e0ab695b4c28b71305e7d0

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

Extracted

Family

redline

Botnet

5076357887

C2

195.54.170.157:16525

Attributes
  • auth_value

    0dfaff60271d374d0c206d19883e06f3

Targets

    • Target

      72bc725dcbf570567645b209fc685f79.exe

    • Size

      916KB

    • MD5

      72bc725dcbf570567645b209fc685f79

    • SHA1

      a6a2b06f126b3483908073a9bf7f0bd3b0a5885a

    • SHA256

      4c8662f187b984c7ad509d766d9514542f26ec38e8961097dd17282f0e7c6a1d

    • SHA512

      1208956e5c45022f775587dc6fb828472644d6f9fb6f85629861917a77f8df5029f0e579ed23bdea90b8334f2c708843ab838a0156e0ab695b4c28b71305e7d0

    • RedLine

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

    • RedLine payload

    • Downloads MZ/PE file

    • 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

3
T1112

Install Root Certificate

1
T1130

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