General

  • Target

    46c10c756b60e1e347c90075305af6bbf7b194308adcf46a76c54bb6fd7e1489_JC.exe

  • Size

    1.1MB

  • Sample

    231010-v4wqlafa3y

  • MD5

    e5711244592efa98419648c61c689b99

  • SHA1

    3b0a311d648d7f4114526dfe0aef0d89d0451ad7

  • SHA256

    46c10c756b60e1e347c90075305af6bbf7b194308adcf46a76c54bb6fd7e1489

  • SHA512

    7a62d0bc8ba5dbd7b8c8ff961f2bd10690b0535921ff04e79e866b250718658a75120f1de6bac6a9f395ac5704408a754fd4423bb52f66a2c4580ec99bfc614b

  • SSDEEP

    24576:hyt/z477EKPh8M2vVjxTn8IDl4NlaDEvRPkOcTU9d:UlT283vVjmI2NlaDCSTU

Malware Config

Extracted

Family

redline

Botnet

magia

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

lutyr

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

6012068394_99

C2

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

Targets

    • Target

      46c10c756b60e1e347c90075305af6bbf7b194308adcf46a76c54bb6fd7e1489_JC.exe

    • Size

      1.1MB

    • MD5

      e5711244592efa98419648c61c689b99

    • SHA1

      3b0a311d648d7f4114526dfe0aef0d89d0451ad7

    • SHA256

      46c10c756b60e1e347c90075305af6bbf7b194308adcf46a76c54bb6fd7e1489

    • SHA512

      7a62d0bc8ba5dbd7b8c8ff961f2bd10690b0535921ff04e79e866b250718658a75120f1de6bac6a9f395ac5704408a754fd4423bb52f66a2c4580ec99bfc614b

    • SSDEEP

      24576:hyt/z477EKPh8M2vVjxTn8IDl4NlaDEvRPkOcTU9d:UlT283vVjmI2NlaDCSTU

    • DcRat

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

    • Detects Healer an antivirus disabler dropper

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • 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

    • Modifies Windows Firewall

    • 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

    • Manipulates WinMonFS driver.

      Roottkits write to WinMonFS to hide directories/files from being detected.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks