General

  • Target

    c8b663ff8cae44b948ff38c656baa474d02ca4fdf901e9d8b94b54958d40765c

  • Size

    172KB

  • Sample

    221113-vn9mhsbh66

  • MD5

    f15138be4b4b93a969484db49a26ca77

  • SHA1

    f6e103b1668da622ff022245abd3c71755b8a1b1

  • SHA256

    c8b663ff8cae44b948ff38c656baa474d02ca4fdf901e9d8b94b54958d40765c

  • SHA512

    dd9cac71891f103307963e9bb2d8f44f3eadd814c01bbf5443af2f36d5759261d135be2f6905d5e290db0d570000f730a4355ac22e63c5a06850bc486587ef2d

  • SSDEEP

    3072:hOcvf9QLLJLvQLF/xRQeWc11YFsxw8NL7NH:UKwLJLvQLJQrcrrxw8X

Malware Config

Extracted

Family

redline

Botnet

mario23_10

C2

167.235.252.160:10642

Attributes
  • auth_value

    eca57cfb5172f71dc45986763bb98942

Extracted

Family

djvu

C2

http://fresherlights.com/lancer/get.php

Attributes
  • extension

    .fate

  • offline_id

    5IRhyFuF3rXlXBvF6jAWjHEAnAb432icDCcvZyt1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://fresherlights.com/files/1/build3.exe

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

vidar

Version

55.6

Botnet

517

C2

https://t.me/seclab_new

https://mas.to/@ofadex

Attributes
  • profile_id

    517

Extracted

Family

redline

Botnet

Google2

C2

167.235.71.14:20469

Attributes
  • auth_value

    fb274d9691235ba015830da570a13578

Targets

    • Target

      c8b663ff8cae44b948ff38c656baa474d02ca4fdf901e9d8b94b54958d40765c

    • Size

      172KB

    • MD5

      f15138be4b4b93a969484db49a26ca77

    • SHA1

      f6e103b1668da622ff022245abd3c71755b8a1b1

    • SHA256

      c8b663ff8cae44b948ff38c656baa474d02ca4fdf901e9d8b94b54958d40765c

    • SHA512

      dd9cac71891f103307963e9bb2d8f44f3eadd814c01bbf5443af2f36d5759261d135be2f6905d5e290db0d570000f730a4355ac22e63c5a06850bc486587ef2d

    • SSDEEP

      3072:hOcvf9QLLJLvQLF/xRQeWc11YFsxw8NL7NH:UKwLJLvQLJQrcrrxw8X

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Possible privilege escalation attempt

    • Stops running service(s)

    • 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

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Scripting

1
T1064

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks