General

  • Target

    c09b2f012da3e80f3dcfeb9cfbeaa1dd03caea60fab4fa435e1a4aab20141503

  • Size

    147KB

  • Sample

    221003-ma2qrahdgl

  • MD5

    062b7bd283023e430a41d58064ec7736

  • SHA1

    e62b945ccd0de24718cf15eef7d526356b4f3d18

  • SHA256

    c09b2f012da3e80f3dcfeb9cfbeaa1dd03caea60fab4fa435e1a4aab20141503

  • SHA512

    ba8f4f95256cc15867ea8e873f8bf79adb18a28d274ff3441005eca71a5add54f6f6cba21412e5b63ad05dc1b114a036001b607d7abc012282d81afaba96e4be

  • SSDEEP

    3072:h+avwVNRCjVxnjjA4Wxf98fW22+t40Jb4G2d89KFaJe:hRjvj84Wx2f9gGbP2d80q

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .adww

  • offline_id

    z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1

  • payload_url

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

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

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

raccoon

Botnet

1a17d9aed7a239440deb75d7a177f406

C2

http://193.38.55.180/

rc4.plain

Extracted

Family

vidar

Version

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes
  • profile_id

    517

Targets

    • Target

      c09b2f012da3e80f3dcfeb9cfbeaa1dd03caea60fab4fa435e1a4aab20141503

    • Size

      147KB

    • MD5

      062b7bd283023e430a41d58064ec7736

    • SHA1

      e62b945ccd0de24718cf15eef7d526356b4f3d18

    • SHA256

      c09b2f012da3e80f3dcfeb9cfbeaa1dd03caea60fab4fa435e1a4aab20141503

    • SHA512

      ba8f4f95256cc15867ea8e873f8bf79adb18a28d274ff3441005eca71a5add54f6f6cba21412e5b63ad05dc1b114a036001b607d7abc012282d81afaba96e4be

    • SSDEEP

      3072:h+avwVNRCjVxnjjA4Wxf98fW22+t40Jb4G2d89KFaJe:hRjvj84Wx2f9gGbP2d80q

    • DcRat

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

    • 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.

    • 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

2
T1112

Install Root Certificate

1
T1130

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