General

  • Target

    4d2921f38a5bbc12057aecb0e0a370ecf21035428fa2a8508f03023aabde3754

  • Size

    133KB

  • Sample

    221003-j6l4dsgbhr

  • MD5

    5b450d641f813f87e7a24dd3b0fc622f

  • SHA1

    c80cbf1bd45eed49deee7dca9bc019d5f71e7dc4

  • SHA256

    4d2921f38a5bbc12057aecb0e0a370ecf21035428fa2a8508f03023aabde3754

  • SHA512

    581e553b67c229432595df01423b34c35f69c3e82647044ecf88ae4c1bf4ce411379bbe3581c95d67242cdd240087f4b09b6f251a96195e666d26a0c034d5b65

  • SSDEEP

    1536:jSbRDBnH5hk1WkORxZnb40L2IowCU5KZtVuLGTWbEq17TSoYNXrvO/hQKjj0nLxK:jSbRJiORXYImWKclbd17TSoeO7jGK

Malware Config

Extracted

Family

redline

Botnet

1200654767

C2

79.137.192.6:8362

Targets

    • Target

      4d2921f38a5bbc12057aecb0e0a370ecf21035428fa2a8508f03023aabde3754

    • Size

      133KB

    • MD5

      5b450d641f813f87e7a24dd3b0fc622f

    • SHA1

      c80cbf1bd45eed49deee7dca9bc019d5f71e7dc4

    • SHA256

      4d2921f38a5bbc12057aecb0e0a370ecf21035428fa2a8508f03023aabde3754

    • SHA512

      581e553b67c229432595df01423b34c35f69c3e82647044ecf88ae4c1bf4ce411379bbe3581c95d67242cdd240087f4b09b6f251a96195e666d26a0c034d5b65

    • SSDEEP

      1536:jSbRDBnH5hk1WkORxZnb40L2IowCU5KZtVuLGTWbEq17TSoYNXrvO/hQKjj0nLxK:jSbRJiORXYImWKclbd17TSoeO7jGK

    • Detects Smokeloader packer

    • RedLine

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

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • 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 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks