General

  • Target

    B255F6B269F178C5F63162E16C830CFC772E80AD18B50.exe

  • Size

    3.4MB

  • Sample

    210814-c5ck7dy4v2

  • MD5

    06b5e8e5108f700f733f029529489055

  • SHA1

    b36f6095b70c58a7f269e4561056b85a564dd3d1

  • SHA256

    b255f6b269f178c5f63162e16c830cfc772e80ad18b50b62dbe7c5da156b3980

  • SHA512

    06f72e584d6c76ca939dd27dfcda66a01914129cfa8bc86ab36ab72f836523294f0b30b8d64a8016d25e52b5393d80a4dc77eacbe662ab65d21851809730001a

Malware Config

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

93d3ccba4a3cbd5e268873fc1760b2335272e198

Attributes
  • url4cnc

    https://telete.in/opa4kiprivatem

rc4.plain
rc4.plain

Extracted

Family

vidar

Version

40

Botnet

937

C2

https://lenak513.tumblr.com/

Attributes
  • profile_id

    937

Targets

    • Target

      B255F6B269F178C5F63162E16C830CFC772E80AD18B50.exe

    • Size

      3.4MB

    • MD5

      06b5e8e5108f700f733f029529489055

    • SHA1

      b36f6095b70c58a7f269e4561056b85a564dd3d1

    • SHA256

      b255f6b269f178c5f63162e16c830cfc772e80ad18b50b62dbe7c5da156b3980

    • SHA512

      06f72e584d6c76ca939dd27dfcda66a01914129cfa8bc86ab36ab72f836523294f0b30b8d64a8016d25e52b5393d80a4dc77eacbe662ab65d21851809730001a

    • Modifies Windows Defender Real-time Protection settings

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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 NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

      suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • 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 Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

    • Themida packer

      Detects Themida, an advanced Windows software protection 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks