General

  • Target

    a1136bed0e915e6781e39eb48f7d7d310f69ae56f44ecc08b3b6d0dea431bf97

  • Size

    189KB

  • Sample

    221125-ajqnmace2s

  • MD5

    7049b00ccd3fc21eef13f9452de3d778

  • SHA1

    feacd04f8bf0125dbc80e17d016484487befffd9

  • SHA256

    a1136bed0e915e6781e39eb48f7d7d310f69ae56f44ecc08b3b6d0dea431bf97

  • SHA512

    e5b67403ac84e6ba01c6486f7d6266335fb4879b89034c8f1d3b2dc7bfa8646b902c63bd33986db4bd1042ebd5fd2a2c66e40463f0acd01114490bee585f3bec

  • SSDEEP

    3072:ODpkVazB7cd+DwLn+3nsOMD51eptKDqUbSPwFHlhuQ2SU:wpd2Ln+37dptKu9PcHloSU

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tcbu

  • offline_id

    JBPpFMvWlKMsKlJRmPJl5e09RSnYrRJya1oX8xt1

  • 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

amadey

Version

3.50

C2

193.56.146.194/h49vlBP/index.php

Targets

    • Target

      a1136bed0e915e6781e39eb48f7d7d310f69ae56f44ecc08b3b6d0dea431bf97

    • Size

      189KB

    • MD5

      7049b00ccd3fc21eef13f9452de3d778

    • SHA1

      feacd04f8bf0125dbc80e17d016484487befffd9

    • SHA256

      a1136bed0e915e6781e39eb48f7d7d310f69ae56f44ecc08b3b6d0dea431bf97

    • SHA512

      e5b67403ac84e6ba01c6486f7d6266335fb4879b89034c8f1d3b2dc7bfa8646b902c63bd33986db4bd1042ebd5fd2a2c66e40463f0acd01114490bee585f3bec

    • SSDEEP

      3072:ODpkVazB7cd+DwLn+3nsOMD51eptKDqUbSPwFHlhuQ2SU:wpd2Ln+37dptKu9PcHloSU

    • 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.

    • 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.

    • 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

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Scripting

1
T1064

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

Command and Control

Web Service

1
T1102

Tasks