Resubmissions

25-02-2024 02:03

240225-cg45caaa33 10

25-02-2024 01:59

240225-cesnjahh97 8

25-02-2024 01:31

240225-bxq2zshg26 10

25-02-2024 00:49

240225-a6gdgaab3x 7

General

  • Target

    http://google.com

  • Sample

    240225-cg45caaa33

Malware Config

Extracted

Family

revengerat

Botnet

NyanCatRevenge

C2

brasil.ddns.com.br:333

Mutex

5e241e476b334640a2f

Targets

    • Target

      http://google.com

    • Process spawned unexpected child process

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

    • RevengeRAT

      Remote-access trojan with a wide range of capabilities.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • 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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

6
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks