General

  • Target

    1a4cfd9e39b9028cf14d4b64b39e427b30ee0e93793ec3d57e2986a77444db94

  • Size

    4.0MB

  • Sample

    220222-rv5elabadp

  • MD5

    8caef35c1004b91b7f70670f8544e2bb

  • SHA1

    3f94ee95beda87824632d6a65d65355b69a8ac19

  • SHA256

    1a4cfd9e39b9028cf14d4b64b39e427b30ee0e93793ec3d57e2986a77444db94

  • SHA512

    e5db1b3bf4b727da306eacd7dc79feea552244ffa48a6102dbb56066188b86f947c6fe7b0117908c0ed5c5d8a80bbe54eb4fb6eccac6d1be50f0b0ce0f28c557

Malware Config

Extracted

Family

redline

Botnet

DomAni

C2

varinnitof.xyz:80

Extracted

Family

redline

Botnet

333333

C2

2.56.57.212:13040

Attributes
  • auth_value

    3efa022bc816f747304fd68e5810bb78

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

Targets

    • Target

      1a4cfd9e39b9028cf14d4b64b39e427b30ee0e93793ec3d57e2986a77444db94

    • Size

      4.0MB

    • MD5

      8caef35c1004b91b7f70670f8544e2bb

    • SHA1

      3f94ee95beda87824632d6a65d65355b69a8ac19

    • SHA256

      1a4cfd9e39b9028cf14d4b64b39e427b30ee0e93793ec3d57e2986a77444db94

    • SHA512

      e5db1b3bf4b727da306eacd7dc79feea552244ffa48a6102dbb56066188b86f947c6fe7b0117908c0ed5c5d8a80bbe54eb4fb6eccac6d1be50f0b0ce0f28c557

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine Payload

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

      suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious

    • suricata: ET MALWARE GCleaner Downloader Activity M5

      suricata: ET MALWARE GCleaner Downloader Activity M5

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

      suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • UPX packed file

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

    • 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.

    • Adds Run key to start application

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

New Service

1
T1050

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Process Discovery

1
T1057

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks