General

  • Target

    7227C5067DC82A381A3C7485A21C64B702F7E987A46D1.exe

  • Size

    3.3MB

  • Sample

    211226-ygzeraadbp

  • MD5

    6d9b2f0e4a7c5a70ed72203c642ea152

  • SHA1

    c0780ed446880bde3570bb4627c29d2c38286b92

  • SHA256

    7227c5067dc82a381a3c7485a21c64b702f7e987a46d1349f95e269399e862eb

  • SHA512

    a05b3f3c73fa43b98e9f0278013a858e48eae82fbfd4b1b1829a0ee4c240c28fed675d36ccbd2a5ad605272a25825a0b0260f33b6c588d01fbb2f8708d1d0f7e

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://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

http://melchen-testet.at/upload/

http://zjymf.com/upload/

http://pbxbmu70275.cn/upload/

http://mnenenravitsya.ru/upload/

http://pitersprav.ru/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

RUZKI

C2

185.215.113.29:34865

Extracted

Family

vidar

Version

49.2

Botnet

937

C2

https://mstdn.social/@kipriauk9

https://qoto.org/@kipriauk8

Attributes
  • profile_id

    937

Targets

    • Target

      7227C5067DC82A381A3C7485A21C64B702F7E987A46D1.exe

    • Size

      3.3MB

    • MD5

      6d9b2f0e4a7c5a70ed72203c642ea152

    • SHA1

      c0780ed446880bde3570bb4627c29d2c38286b92

    • SHA256

      7227c5067dc82a381a3c7485a21c64b702f7e987a46d1349f95e269399e862eb

    • SHA512

      a05b3f3c73fa43b98e9f0278013a858e48eae82fbfd4b1b1829a0ee4c240c28fed675d36ccbd2a5ad605272a25825a0b0260f33b6c588d01fbb2f8708d1d0f7e

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE GCleaner Downloader Activity M5

      suricata: ET MALWARE GCleaner Downloader Activity M5

    • 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 Win32/Unk.HRESQ! MultiDownloader Checkin

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

    • 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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

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

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks