Overview

overview

10

Static

static

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file.exe

  • Size

    198KB

  • Sample

    220924-ycdbqabha7

  • MD5

    b49a43e96065cfdacf0352ee1321d5ac

  • SHA1

    1a27ff45c05205f9a44c620bec002926f177a789

  • SHA256

    a5cf6a709d21459f54c0d6477d9b30828e3dc1c7927bbc178b408df61d6517ce

  • SHA512

    5ec0da46da8c989d7481f5b50ca8efd2d09184b4cb177fae47b1cba06c5a97d6ff3cd45ce41016f09ad465d77c3d3a6835db9ae467a10469cbb82a48cd4a71f2

  • SSDEEP

    3072:K2HetLsmcb4PBA5Y0cpsUUHnICM486CZc0zv+3V60BZGZI/PkkXx:GLZPE+s3F7abbO6c

Score
10/10
djvuredlinesmokeloadertofseevidar517logsdiller cloud (tg: @me_golds)backdoorcollectiondiscoveryevasioninfostealerpersistenceransomwarespywarestealertrojan

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

vidar

Version

54.6

Botnet

517

C2

https://t.me/huobiinside

https://mas.to/@kyriazhs1975
Attributes
  • profile_id

    517

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @me_golds)

C2

77.73.134.27:7161

Attributes
  • auth_value

    e136da06c7c0400f4091dab1787720ea

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      file.exe

    • Size

      198KB

    • MD5

      b49a43e96065cfdacf0352ee1321d5ac

    • SHA1

      1a27ff45c05205f9a44c620bec002926f177a789

    • SHA256

      a5cf6a709d21459f54c0d6477d9b30828e3dc1c7927bbc178b408df61d6517ce

    • SHA512

      5ec0da46da8c989d7481f5b50ca8efd2d09184b4cb177fae47b1cba06c5a97d6ff3cd45ce41016f09ad465d77c3d3a6835db9ae467a10469cbb82a48cd4a71f2

    • SSDEEP

      3072:K2HetLsmcb4PBA5Y0cpsUUHnICM486CZc0zv+3V60BZGZI/PkkXx:GLZPE+s3F7abbO6c

    Score
    10/10
    smokeloaderbackdoortrojandjvuredlinetofseevidar517logsdiller cloud (tg: @me_golds)collectiondiscoveryevasioninfostealerpersistenceransomwarespywarestealer

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

      infostealerredline

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Creates new service(s)

      persistence

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

2
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks