General

  • Target

    593484df48947759aedba176b80b0f0aa551da13f295ef83bb98964d2ec0dd06

  • Size

    116KB

  • Sample

    221126-vr1tsaag98

  • MD5

    6b757918bc696d1e180dc0f84198685c

  • SHA1

    27d2378ae60017748e2e5d39025d2eea1fdb40d0

  • SHA256

    7aafc45ed88b8089d8d9846e1fd0ae5ca8c5aa602eaf94bc447cdf8116eaeac3

  • SHA512

    56be4980f1a2a7e868b72bd2cb3524bbbe60687e8fe6a40b9bdc7c9cb9bdf089bee4e50fe02c17c4e2f03ee858cbef3409340d009c6e36e1a0454f4deda1c758

  • SSDEEP

    1536:sbCBR3kcgGHMRRC2VaxN832hxT/sxoUbZ50o4gzKRzhcBvU1vR9OzOL+N9Vysxdu:sbebHa6Ne2hCeAJqiU1vRpYVdcDSm

Malware Config

Extracted

Family

amadey

Version

3.50

C2

193.56.146.194/h49vlBP/index.php

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .kcbu

  • offline_id

    hlqzhQ6w5SquNDF4Ul2XBDJQkSIKbAT6rmRBTit1

  • 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

55.9

Botnet

1859

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes
  • profile_id

    1859

Extracted

Family

redline

Botnet

slov

C2

31.41.244.14:4694

Attributes
  • auth_value

    a4345b536a3d0d0e8e81ef7e5199d6d0

Targets

    • Target

      593484df48947759aedba176b80b0f0aa551da13f295ef83bb98964d2ec0dd06

    • Size

      169KB

    • MD5

      2028bb809581998a624328f89a425e4d

    • SHA1

      050920d82ef7198c6f59e4943e46884886b13f34

    • SHA256

      593484df48947759aedba176b80b0f0aa551da13f295ef83bb98964d2ec0dd06

    • SHA512

      174278a63c34b7b1efe7bf156f5e7e2c3d580da8b685c95a78792a35645050084b6de37e21dc7a3c182eb31bcf3d9c5cd0e1c9a5cc3a240271ced705872f4a2e

    • SSDEEP

      3072:KLVRjfWLu9Y/DZS5+oFSEjuSCTZRpYVdcDjF:EDaeY/DfTZ3YQ

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • 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

    • 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.

    • 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.

    • 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

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
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

Tasks