General

  • Target

    33CBD9E39DD39A84D0426897605B17000046E0FB14399.exe

  • Size

    4.0MB

  • Sample

    211112-t4bjzsdha6

  • MD5

    71bc63e722d597e42e4ac2bd95a72ece

  • SHA1

    23a8f42cb0de7b2dab66ec53ba2d755b5a4d896a

  • SHA256

    33cbd9e39dd39a84d0426897605b17000046e0fb14399e9d0bf47b55c0e3ad8b

  • SHA512

    52593a1450baa97d9e865ea24dfc21d0794025312c6b119e31f4a747bc67042be20932ad9b9ff8ba49b9e8ccce59c2f933a2cbdf02eb441bcd39c3ea3b24444f

Malware Config

Extracted

Family

vidar

Version

40.2

Botnet

706

C2

https://kipriauka.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

smokeloader

Version

2020

C2

http://misha.at/upload/

http://roohaniinfra.com/upload/

http://0axqpcc.cn/upload/

http://mayak-lombard.ru/upload/

http://mebel-lass.ru/upload/

http://dishakhan.com/upload/

rc4.i32
rc4.i32

Extracted

Family

vidar

Version

48.3

Botnet

937

Attributes
  • profile_id

    937

Targets

    • Target

      33CBD9E39DD39A84D0426897605B17000046E0FB14399.exe

    • Size

      4.0MB

    • MD5

      71bc63e722d597e42e4ac2bd95a72ece

    • SHA1

      23a8f42cb0de7b2dab66ec53ba2d755b5a4d896a

    • SHA256

      33cbd9e39dd39a84d0426897605b17000046e0fb14399e9d0bf47b55c0e3ad8b

    • SHA512

      52593a1450baa97d9e865ea24dfc21d0794025312c6b119e31f4a747bc67042be20932ad9b9ff8ba49b9e8ccce59c2f933a2cbdf02eb441bcd39c3ea3b24444f

    • Gozi, Gozi IFSB

      Gozi ISFB is a well-known and widely distributed banking trojan.

    • Modifies Windows Defender Real-time Protection settings

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks