General

  • Target

    9eccca5dd283589537034a03f89e160fe9910f4c010183b938057b20b8b2e0f7

  • Size

    153KB

  • Sample

    220926-kjvyfsabc4

  • MD5

    8943eba338c0b9f95e5b6c4c41622b9b

  • SHA1

    77658081249ae1344254ef6f3452b37d7f2ab227

  • SHA256

    9eccca5dd283589537034a03f89e160fe9910f4c010183b938057b20b8b2e0f7

  • SHA512

    27fb1128334a0b54ccb06162a9638358120a5a798bcf9a0b52e701a9ebb9ed77a3af7ed6c92126807fcdb32cc81aa32db3afcaf302dbb5d7a2f493649d18d6fa

  • SSDEEP

    3072:hszlvdG5vjO9c5m0akTZG5l4JXVY2RTlIec4KvwMB6HT375x:KyO6ukTZg4Jy2ZSqKv

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: @mr_golds)

C2

77.73.134.27:7161

Attributes
  • auth_value

    4b2de03af6b6ac513ac597c2e6c1ad51

Targets

    • Target

      9eccca5dd283589537034a03f89e160fe9910f4c010183b938057b20b8b2e0f7

    • Size

      153KB

    • MD5

      8943eba338c0b9f95e5b6c4c41622b9b

    • SHA1

      77658081249ae1344254ef6f3452b37d7f2ab227

    • SHA256

      9eccca5dd283589537034a03f89e160fe9910f4c010183b938057b20b8b2e0f7

    • SHA512

      27fb1128334a0b54ccb06162a9638358120a5a798bcf9a0b52e701a9ebb9ed77a3af7ed6c92126807fcdb32cc81aa32db3afcaf302dbb5d7a2f493649d18d6fa

    • SSDEEP

      3072:hszlvdG5vjO9c5m0akTZG5l4JXVY2RTlIec4KvwMB6HT375x:KyO6ukTZg4Jy2ZSqKv

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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

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

Tasks