General

  • Target

    9a1f50001e6b9350f3d5fc6a7e4e70aaae06427bdaa5be0f7d4dc740cc4b1352

  • Size

    334KB

  • Sample

    211022-3xbqvacga9

  • MD5

    00f19a6e47bb7b1507fc9c6f4d4ebb45

  • SHA1

    caab3dab826726d8e6dc66c7f28edd667ad43f5b

  • SHA256

    9a1f50001e6b9350f3d5fc6a7e4e70aaae06427bdaa5be0f7d4dc740cc4b1352

  • SHA512

    67d0da409070710bf6a9875bd53f3c0bbe74f4a4673ef46e7d97af31f4f90c19d8d74e1ad7f82f48b60c859c4c159dac4bf06f8f05212bfed28c8731e64072ee

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://gejajoo7.top/

http://sysaheu9.top/

http://nusurtal4f.net/

http://netomishnetojuk.net/

http://escalivrouter.net/

http://nick22doom4.net/

http://wrioshtivsio.su/

http://nusotiso4.su/

http://rickkhtovkka.biz/

http://palisotoliso.net/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

6655b26b014f56ed3e8df973c407aa18e865e396

Attributes
  • url4cnc

    http://telegka.top/kaba4ello

    http://telegin.top/kaba4ello

    https://t.me/kaba4ello

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

BTC-2021

C2

2.56.214.190:59628

Extracted

Family

vidar

Version

41.5

Botnet

706

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

z0rm1on

C2

185.215.113.94:35535

Extracted

Family

vidar

Version

41.5

Botnet

517

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    517

Extracted

Family

djvu

C2

http://rlrz.org/lancer

Targets

    • Target

      9a1f50001e6b9350f3d5fc6a7e4e70aaae06427bdaa5be0f7d4dc740cc4b1352

    • Size

      334KB

    • MD5

      00f19a6e47bb7b1507fc9c6f4d4ebb45

    • SHA1

      caab3dab826726d8e6dc66c7f28edd667ad43f5b

    • SHA256

      9a1f50001e6b9350f3d5fc6a7e4e70aaae06427bdaa5be0f7d4dc740cc4b1352

    • SHA512

      67d0da409070710bf6a9875bd53f3c0bbe74f4a4673ef46e7d97af31f4f90c19d8d74e1ad7f82f48b60c859c4c159dac4bf06f8f05212bfed28c8731e64072ee

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Vidar Stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Checks whether UAC is enabled

    • 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 NtSetInformationThreadHideFromDebugger

    • 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

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks