General

  • Target

    file

  • Size

    1.1MB

  • Sample

    231011-d3fjjscc53

  • MD5

    5cfba6ccde621b849fff80ffcf6c4e0c

  • SHA1

    760d5b975df9c0318f36c710f493d4fbf4608052

  • SHA256

    c397a0773d8166b6e95b01e0dba9ddf2beb30aad3ad16af4de13de6ec0eb32c7

  • SHA512

    943cbdeb04dcf50e215814e6e672d179e7b303a53e36a5543f7a62dbf7dcf0d9df30011eea878dbbae80a91d2eb2199f8efa30808a2e362b41ffc9de898db74c

  • SSDEEP

    24576:jyCbn1SgfHsDonsxLX2VRUhGyjzGt09irC7rm2n8:2CD1eDonsxLX2V+GyjB9irGln

Malware Config

Extracted

Family

redline

Botnet

breha

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

kukish

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

redline

Botnet

pixelscloud

C2

85.209.176.171:80

Extracted

Family

redline

Botnet

6012068394_99

C2

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

Extracted

Family

smokeloader

Version

2020

C2

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

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

rc4.i32
rc4.i32

Targets

    • Target

      file

    • Size

      1.1MB

    • MD5

      5cfba6ccde621b849fff80ffcf6c4e0c

    • SHA1

      760d5b975df9c0318f36c710f493d4fbf4608052

    • SHA256

      c397a0773d8166b6e95b01e0dba9ddf2beb30aad3ad16af4de13de6ec0eb32c7

    • SHA512

      943cbdeb04dcf50e215814e6e672d179e7b303a53e36a5543f7a62dbf7dcf0d9df30011eea878dbbae80a91d2eb2199f8efa30808a2e362b41ffc9de898db74c

    • SSDEEP

      24576:jyCbn1SgfHsDonsxLX2VRUhGyjzGt09irC7rm2n8:2CD1eDonsxLX2V+GyjB9irGln

    • 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

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT 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