General

  • Target

    6e94d7d6e75439d7112e272506fc394b59e5955c5bb60357beff31a24e6b5bbc

  • Size

    380KB

  • Sample

    230130-hhnrmsba9w

  • MD5

    4ca2c6f98e9dcd7a4033f8c538a709d3

  • SHA1

    bc4b09303da991614fc7f34ff4ca01b8cf394940

  • SHA256

    6e94d7d6e75439d7112e272506fc394b59e5955c5bb60357beff31a24e6b5bbc

  • SHA512

    3ee08ca3dca33a1bf100e4f6ecb5c44e6f8802ca74028ca04a55065769627369e307ee9d4b302476137fbba716e72ce366fb6514c22bec34187ff38141d57f83

  • SSDEEP

    6144:x/QiQXCKJm+ksmpk3U9jW1U4P9bGOGBfj/WUplm6zIOYQNd28pTXdAmpCLVRZogE:pQi3Ks6m6URA3PhGlL//plmW9bTXeVh8

Malware Config

Extracted

Family

gcleaner

C2

45.12.253.56

45.12.253.72

45.12.253.98

45.12.253.75

Extracted

Family

redline

Botnet

main

C2

birja1.com:29658

Attributes
  • auth_value

    7a6d3334d5db5d02c16eec7633780063

Targets

    • Target

      6e94d7d6e75439d7112e272506fc394b59e5955c5bb60357beff31a24e6b5bbc

    • Size

      380KB

    • MD5

      4ca2c6f98e9dcd7a4033f8c538a709d3

    • SHA1

      bc4b09303da991614fc7f34ff4ca01b8cf394940

    • SHA256

      6e94d7d6e75439d7112e272506fc394b59e5955c5bb60357beff31a24e6b5bbc

    • SHA512

      3ee08ca3dca33a1bf100e4f6ecb5c44e6f8802ca74028ca04a55065769627369e307ee9d4b302476137fbba716e72ce366fb6514c22bec34187ff38141d57f83

    • SSDEEP

      6144:x/QiQXCKJm+ksmpk3U9jW1U4P9bGOGBfj/WUplm6zIOYQNd28pTXdAmpCLVRZogE:pQi3Ks6m6URA3PhGlL//plmW9bTXeVh8

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

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

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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.

    • Drops desktop.ini file(s)

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

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

1
T1081

Discovery

Software Discovery

1
T1518

Query Registry

3
T1012

System Information Discovery

3
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks