General

  • Target

    1c6130b78882d6cb733724309deb3661.exe

  • Size

    1.1MB

  • Sample

    231010-fa4rsaah3z

  • MD5

    1c6130b78882d6cb733724309deb3661

  • SHA1

    02066c60803e7c40779743500ebbcc9413b816e1

  • SHA256

    02a08e087017fe623c4c21eefc963b5552ef7bafc8c1f7b363e59397d6818645

  • SHA512

    8570076f98bd091ca99499c8da418e1c46bd481fa4579828d8b2eaa187f2580ebd0d8372a0ab02eda3807aa39a859df9f43974a870ac94d3fa4adaad1e19f472

  • SSDEEP

    24576:iyPomn86ydk6mX5IB6vpIqfXz1h5g93XK/OziErBRQajk0:Jp4dk6QKB6vpIkgFK/OOE9yIk

Malware Config

Extracted

Family

mystic

C2

http://5.42.92.211/loghub/master

Extracted

Family

redline

Botnet

frant

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

amadey

Version

3.89

C2

http://77.91.124.1/theme/index.php

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explothe.exe

  • strings_key

    36a96139c1118a354edf72b1080d4b2f

rc4.plain

Extracted

Family

redline

Botnet

magia

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

lutyr

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

6012068394_99

C2

https://pastebin.com/raw/8baCJyMF

Targets

    • Target

      1c6130b78882d6cb733724309deb3661.exe

    • Size

      1.1MB

    • MD5

      1c6130b78882d6cb733724309deb3661

    • SHA1

      02066c60803e7c40779743500ebbcc9413b816e1

    • SHA256

      02a08e087017fe623c4c21eefc963b5552ef7bafc8c1f7b363e59397d6818645

    • SHA512

      8570076f98bd091ca99499c8da418e1c46bd481fa4579828d8b2eaa187f2580ebd0d8372a0ab02eda3807aa39a859df9f43974a870ac94d3fa4adaad1e19f472

    • SSDEEP

      24576:iyPomn86ydk6mX5IB6vpIqfXz1h5g93XK/OziErBRQajk0:Jp4dk6QKB6vpIkgFK/OOE9yIk

    • 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.

    • Detect Mystic stealer payload

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • 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.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

3
T1562

Disable or Modify Tools

2
T1562.001

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks