General

  • Target

    4a8882a445c42d0d0a6d17a4d41fd14b.exe

  • Size

    916KB

  • Sample

    220815-vcs6dsdcfp

  • MD5

    4a8882a445c42d0d0a6d17a4d41fd14b

  • SHA1

    ef7b4d4ca6e303a76948090395d0b1778450e2be

  • SHA256

    252b3ba4160da0cf2275f04387d99315af1b336c66b012f450f97ec5ff1b74bd

  • SHA512

    a5159564da64f90e3afacabd71c71be7a81ae1d350abf58eb906f74ae8d14805f5970c4c98408b99e52c2009ee2f77488fa12e482630037b773039b8976943d2

Malware Config

Extracted

Family

redline

Botnet

nam3

C2

103.89.90.61:34589

Attributes
  • auth_value

    64b900120bbceaa6a9c60e9079492895

Extracted

Family

redline

Botnet

5076357887

C2

195.54.170.157:16525

Attributes
  • auth_value

    0dfaff60271d374d0c206d19883e06f3

Extracted

Family

redline

Botnet

5

C2

176.113.115.146:9582

Attributes
  • auth_value

    d38b30c1ccd6c1e5088d9e5bd9e51b0f

Targets

    • Target

      4a8882a445c42d0d0a6d17a4d41fd14b.exe

    • Size

      916KB

    • MD5

      4a8882a445c42d0d0a6d17a4d41fd14b

    • SHA1

      ef7b4d4ca6e303a76948090395d0b1778450e2be

    • SHA256

      252b3ba4160da0cf2275f04387d99315af1b336c66b012f450f97ec5ff1b74bd

    • SHA512

      a5159564da64f90e3afacabd71c71be7a81ae1d350abf58eb906f74ae8d14805f5970c4c98408b99e52c2009ee2f77488fa12e482630037b773039b8976943d2

    • 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

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