General

  • Target

    7ff74ea26b63223cb00260ebb4a45de95f4af7cb7b4eab488255f4bcaea33b77

  • Size

    296KB

  • Sample

    220928-p6d1nshabk

  • MD5

    38483368c702751aad64d428ad55bea6

  • SHA1

    f561137c6024d4a98b501a78aa03123ecae8448a

  • SHA256

    7ff74ea26b63223cb00260ebb4a45de95f4af7cb7b4eab488255f4bcaea33b77

  • SHA512

    b20a7cdf04315bd980269997484a3b5ee999d167a74d3a7fb54bf93fffddc11f186fd9c82a6105ff00478edacf10123cee0ede66b37ca0e436202b7ecf61d113

  • SSDEEP

    6144:wb7YR1QHgjUiliPSJO31qXq0BOqSigavwVfIJ0:wS4gjpiqJOFqTBhXRJ0

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ofww

  • offline_id

    xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1

  • 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

redline

Botnet

32489234

C2

78.153.144.6:2510

Attributes
  • auth_value

    ad7ebeff731e5655a1b7feb5e468ead2

Extracted

Family

vidar

Version

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes
  • profile_id

    517

Extracted

Family

redline

Botnet

11

C2

51.89.201.21:7161

Attributes
  • auth_value

    e6aadafed1fda7723d7655a5894828d2

Extracted

Family

redline

Botnet

inslab26

C2

185.182.194.25:8251

Attributes
  • auth_value

    7c9cbd0e489a3c7fd31006406cb96f5b

Extracted

Family

redline

Botnet

981705428_pjm12r96

C2

179.43.175.170:38766

Attributes
  • auth_value

    863097aff7128c494bbb9b4c949876ce

Targets

    • Target

      7ff74ea26b63223cb00260ebb4a45de95f4af7cb7b4eab488255f4bcaea33b77

    • Size

      296KB

    • MD5

      38483368c702751aad64d428ad55bea6

    • SHA1

      f561137c6024d4a98b501a78aa03123ecae8448a

    • SHA256

      7ff74ea26b63223cb00260ebb4a45de95f4af7cb7b4eab488255f4bcaea33b77

    • SHA512

      b20a7cdf04315bd980269997484a3b5ee999d167a74d3a7fb54bf93fffddc11f186fd9c82a6105ff00478edacf10123cee0ede66b37ca0e436202b7ecf61d113

    • SSDEEP

      6144:wb7YR1QHgjUiliPSJO31qXq0BOqSigavwVfIJ0:wS4gjpiqJOFqTBhXRJ0

    • 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

    • Deletes itself

    • 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.

    • 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

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
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