General

  • Target

    file.exe

  • Size

    233KB

  • Sample

    221214-vzt17saf29

  • MD5

    c330bc8b60eec012ccb7edfe7d144208

  • SHA1

    af9d44e8a1229effc52258f56faa537cfcdfba60

  • SHA256

    f53244dc122865caba7e083167f6298dde03f6c18f379e4ec29133519d264c4f

  • SHA512

    89ed9f06d6585a761f310ca75024280436ff85f5cc2a08a9eb4bc6ef1fa58d9ad5fb0ffd3b12c38a60c88718df57fa6d23546499de0d1d5f49c8272e821fcccd

  • SSDEEP

    3072:lEh7Ne3nsLR3SRAnf5rhqfyO/DZG81JzxECcjkKKYIsn2dR96py:Sh7Ne3sLgOl1O/Db1ECRbu2N6o

Malware Config

Extracted

Family

redline

Botnet

mario23_10

C2

167.235.252.160:10642

Attributes
  • auth_value

    eca57cfb5172f71dc45986763bb98942

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .matu

  • offline_id

    M6quF9d1g2LNWnBiQpTSgbW26JwEOrFwFfT1xGt1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://abibiall.com/files/1/build3.exe

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

raccoon

Botnet

ec7a54fb6492ff3a52d09504b8ecf082

C2

http://88.119.161.188

http://88.119.161.19

rc4.plain

Extracted

Family

amadey

Version

3.60

C2

62.204.41.79/fb73jc3/index.php

Targets

    • Target

      file.exe

    • Size

      233KB

    • MD5

      c330bc8b60eec012ccb7edfe7d144208

    • SHA1

      af9d44e8a1229effc52258f56faa537cfcdfba60

    • SHA256

      f53244dc122865caba7e083167f6298dde03f6c18f379e4ec29133519d264c4f

    • SHA512

      89ed9f06d6585a761f310ca75024280436ff85f5cc2a08a9eb4bc6ef1fa58d9ad5fb0ffd3b12c38a60c88718df57fa6d23546499de0d1d5f49c8272e821fcccd

    • SSDEEP

      3072:lEh7Ne3nsLR3SRAnf5rhqfyO/DZG81JzxECcjkKKYIsn2dR96py:Sh7Ne3sLgOl1O/Db1ECRbu2N6o

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Raccoon

      Raccoon is an infostealer written in C++ and first seen 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.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks