General

  • Target

    fd1355f5ccc117b795cdef3bdbc8b069a5e7a91de4e300cb9de21a5765cf5a74

  • Size

    294KB

  • Sample

    220928-npw99affh5

  • MD5

    fd48b79c2d241c33fc301b88017b533f

  • SHA1

    c2874f8ce21bdfb8cf127a09b738670d95dfa1bb

  • SHA256

    fd1355f5ccc117b795cdef3bdbc8b069a5e7a91de4e300cb9de21a5765cf5a74

  • SHA512

    9742c8e290e2fa4625bc88ed4543a515d38bc53b1543e6d59465fd26e7d18e25a738e31c361539473a840aa02f6cfe9e5e3decf07b96334d374c08687d726105

  • SSDEEP

    6144:njNixZ2x2QGN9m1cLHvxOV50H4KKLt1igavwVfIH:nku5GXrdOMH4KKuRH

Malware Config

Extracted

Family

redline

Botnet

32489234

C2

78.153.144.6:2510

Attributes
  • auth_value

    ad7ebeff731e5655a1b7feb5e468ead2

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

54.7

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

      fd1355f5ccc117b795cdef3bdbc8b069a5e7a91de4e300cb9de21a5765cf5a74

    • Size

      294KB

    • MD5

      fd48b79c2d241c33fc301b88017b533f

    • SHA1

      c2874f8ce21bdfb8cf127a09b738670d95dfa1bb

    • SHA256

      fd1355f5ccc117b795cdef3bdbc8b069a5e7a91de4e300cb9de21a5765cf5a74

    • SHA512

      9742c8e290e2fa4625bc88ed4543a515d38bc53b1543e6d59465fd26e7d18e25a738e31c361539473a840aa02f6cfe9e5e3decf07b96334d374c08687d726105

    • SSDEEP

      6144:njNixZ2x2QGN9m1cLHvxOV50H4KKLt1igavwVfIH:nku5GXrdOMH4KKuRH

    • 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