General

  • Target

    9AE2511FF8C07CD47DB741CC4331D34F.exe

  • Size

    2.9MB

  • Sample

    210713-3xkz34745a

  • MD5

    9ae2511ff8c07cd47db741cc4331d34f

  • SHA1

    ba41793063774017ce9f674f13b2815afcc5919b

  • SHA256

    7c9ea3131c6b467fd36069befea3edf665e11cf8f156c62d52e8ae14d591ddfa

  • SHA512

    018446ebe3032dc0ec30c7494c63c2776aa8826fa002a121b09126f4f6bb669185a727c7a8e980f3253ed366bfca9c277fac053e21d54b421f22a982cf0eb104

Malware Config

Extracted

Family

vidar

Version

39.4

Botnet

933

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    933

Extracted

Family

redline

Botnet

Cana

C2

176.111.174.254:56328

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

      9AE2511FF8C07CD47DB741CC4331D34F.exe

    • Size

      2.9MB

    • MD5

      9ae2511ff8c07cd47db741cc4331d34f

    • SHA1

      ba41793063774017ce9f674f13b2815afcc5919b

    • SHA256

      7c9ea3131c6b467fd36069befea3edf665e11cf8f156c62d52e8ae14d591ddfa

    • SHA512

      018446ebe3032dc0ec30c7494c63c2776aa8826fa002a121b09126f4f6bb669185a727c7a8e980f3253ed366bfca9c277fac053e21d54b421f22a982cf0eb104

    • Modifies Windows Defender Real-time Protection settings

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets DLL path for service in the registry

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • Loads dropped DLL

    • 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.

    • Checks whether UAC is enabled

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

3
T1060

Defense Evasion

Modify Registry

6
T1112

Disabling Security Tools

2
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks