General

  • Target

    3c362636f19b4626866ca745bb197ebcc4f2fab1f2bec6b7f208c0748dc39dcd

  • Size

    2.6MB

  • Sample

    220322-mqq9ysehf5

  • MD5

    c4cadec9357bec022e6ce6a11f67289c

  • SHA1

    5d4f5f80e946724aadedbd1ea833d5e582e98bd8

  • SHA256

    3c362636f19b4626866ca745bb197ebcc4f2fab1f2bec6b7f208c0748dc39dcd

  • SHA512

    9d113f7681e4304fc30a312aae75f9958a6f0aedba0e5d2830897ecf67fba1c4542fdd9b7b249ea07abe960776526297f356b68e9f8676ce91b33b8f4fc54fb0

Malware Config

Extracted

Family

redline

Botnet

5

C2

62.204.41.199:30941

Attributes
  • auth_value

    fa5949aa0d67fac8f05fd9fcece7888d

Extracted

Family

warzonerat

C2

136.144.41.92:5200

Extracted

Family

vidar

Version

39.7

Botnet

933

C2

https://shpak125.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Targets

    • Target

      3c362636f19b4626866ca745bb197ebcc4f2fab1f2bec6b7f208c0748dc39dcd

    • Size

      2.6MB

    • MD5

      c4cadec9357bec022e6ce6a11f67289c

    • SHA1

      5d4f5f80e946724aadedbd1ea833d5e582e98bd8

    • SHA256

      3c362636f19b4626866ca745bb197ebcc4f2fab1f2bec6b7f208c0748dc39dcd

    • SHA512

      9d113f7681e4304fc30a312aae75f9958a6f0aedba0e5d2830897ecf67fba1c4542fdd9b7b249ea07abe960776526297f356b68e9f8676ce91b33b8f4fc54fb0

    • Modifies WinLogon for persistence

    • Modifies Windows Defender Real-time Protection settings

    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

    • 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.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • VKeylogger

      A keylogger first seen in Nov 2020.

    • VKeylogger Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • OnlyLogger Payload

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Drops startup file

    • 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

    • 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

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Hidden Files and Directories

1
T1158

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Hidden Files and Directories

1
T1158

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

6
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks