General

  • Target

    f17b92ef4e9b34fdb1a148774dfccd5570ba3a8db3706cdb2b7968a841de6424

  • Size

    189KB

  • Sample

    221109-yghf8sbfc9

  • MD5

    ecaecdd33fabcbfc5db1e013c67752fe

  • SHA1

    d4e4245d20708c92775e4cb6bb3801ea16df9c70

  • SHA256

    f17b92ef4e9b34fdb1a148774dfccd5570ba3a8db3706cdb2b7968a841de6424

  • SHA512

    7d0cadc7c04f0f2213c8127c95fffa98e591dab47c6b47fcb13a025bf2c051ecae4554017b44bdebe4258150ef2fdc3e82c35fe33686cdf7add5745fa05a6f24

  • SSDEEP

    3072:ykXuAaXsxjLfsr6TCt7RVLIjb0EP2MayvMDlc5Fkw:b5bLfsr6TCNi0yayEZc5P

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .zate

  • offline_id

    VW11mMMPfxPTr0epvPSw1m6GBzcKFb3H2Lm2nyt1

  • 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

redline

Botnet

GG

C2

78.153.144.3:2510

Attributes
  • auth_value

    973068426cfdbec6c993883b7943a651

Extracted

Family

vidar

Version

55.6

Botnet

517

C2

https://t.me/seclab_new

https://mas.to/@ofadex

Attributes
  • profile_id

    517

Extracted

Family

raccoon

Botnet

53508e7dc4e08bd33122d190a04a1200

C2

http://45.15.156.105/

rc4.plain

Extracted

Family

redline

Botnet

mao

C2

77.73.134.251:4691

Attributes
  • auth_value

    a06897b11f5e600c4479f1b544acc337

Targets

    • Target

      f17b92ef4e9b34fdb1a148774dfccd5570ba3a8db3706cdb2b7968a841de6424

    • Size

      189KB

    • MD5

      ecaecdd33fabcbfc5db1e013c67752fe

    • SHA1

      d4e4245d20708c92775e4cb6bb3801ea16df9c70

    • SHA256

      f17b92ef4e9b34fdb1a148774dfccd5570ba3a8db3706cdb2b7968a841de6424

    • SHA512

      7d0cadc7c04f0f2213c8127c95fffa98e591dab47c6b47fcb13a025bf2c051ecae4554017b44bdebe4258150ef2fdc3e82c35fe33686cdf7add5745fa05a6f24

    • SSDEEP

      3072:ykXuAaXsxjLfsr6TCt7RVLIjb0EP2MayvMDlc5Fkw:b5bLfsr6TCNi0yayEZc5P

    • Amadey

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

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Amadey credential stealer module

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen in 2019.

    • 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.

    • Blocklisted process makes network request

    • 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 local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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.

    • 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

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

4
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks