General

  • Target

    7755e890ecb6b60a9cbed072a609fbe099968b1fbda51f1d1f940bbc581c9f70.exe

  • Size

    3.8MB

  • Sample

    211018-pag3fseebj

  • MD5

    6ebf4dbc2f41cfe7c3e55e5a76d2a670

  • SHA1

    ee509d9c5910532340694e17fa0b50d0d9558414

  • SHA256

    7755e890ecb6b60a9cbed072a609fbe099968b1fbda51f1d1f940bbc581c9f70

  • SHA512

    c87dd97ab8ca254fd189df96cb04a32ba53c17e3ee46fc0a28217d96c423e2f8c2fa1b45b3d78d5a5138f13cbcf0c19e955edb7547187cc3a45312a7737d9ac3

Malware Config

Extracted

Family

vidar

Version

40.1

Botnet

706

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

41.4

Botnet

932

C2

https://mas.to/@sslam

Attributes
  • profile_id

    932

Extracted

Family

redline

Botnet

Proliv2

C2

176.57.71.68:37814

Targets

    • Target

      7755e890ecb6b60a9cbed072a609fbe099968b1fbda51f1d1f940bbc581c9f70.exe

    • Size

      3.8MB

    • MD5

      6ebf4dbc2f41cfe7c3e55e5a76d2a670

    • SHA1

      ee509d9c5910532340694e17fa0b50d0d9558414

    • SHA256

      7755e890ecb6b60a9cbed072a609fbe099968b1fbda51f1d1f940bbc581c9f70

    • SHA512

      c87dd97ab8ca254fd189df96cb04a32ba53c17e3ee46fc0a28217d96c423e2f8c2fa1b45b3d78d5a5138f13cbcf0c19e955edb7547187cc3a45312a7737d9ac3

    • Modifies Windows Defender Real-time Protection settings

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks