General

  • Target

    91c4b892c9f1f08483790880304ea3e514b5e09c3e27c98cc7836b0ca5bf8bbd_JC.exe

  • Size

    1.1MB

  • Sample

    231010-wlak3sfc5s

  • MD5

    0800819d598da5b5b73ed08919c4f815

  • SHA1

    6668cbb3c9fa0d0adceb0ffe21a299f8657d80d6

  • SHA256

    91c4b892c9f1f08483790880304ea3e514b5e09c3e27c98cc7836b0ca5bf8bbd

  • SHA512

    89900072bcc1df3056ef17b4c648ec883a5abe619e5e211cfcce009cb153ac7fae98f63d3746670670120fbfbd4e0325b2dc0b973407322b2c8e6a43ec464853

  • SSDEEP

    24576:dyF/snW/DLZSHAAwnx338tHwRO//JszrNM5+N3:4FTD9Awx33EHTHJsz5M5

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

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

lutyr

C2

77.91.124.55:19071

Extracted

Family

smokeloader

Botnet

up3

Targets

    • Target

      91c4b892c9f1f08483790880304ea3e514b5e09c3e27c98cc7836b0ca5bf8bbd_JC.exe

    • Size

      1.1MB

    • MD5

      0800819d598da5b5b73ed08919c4f815

    • SHA1

      6668cbb3c9fa0d0adceb0ffe21a299f8657d80d6

    • SHA256

      91c4b892c9f1f08483790880304ea3e514b5e09c3e27c98cc7836b0ca5bf8bbd

    • SHA512

      89900072bcc1df3056ef17b4c648ec883a5abe619e5e211cfcce009cb153ac7fae98f63d3746670670120fbfbd4e0325b2dc0b973407322b2c8e6a43ec464853

    • SSDEEP

      24576:dyF/snW/DLZSHAAwnx338tHwRO//JszrNM5+N3:4FTD9Awx33EHTHJsz5M5

    • 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.

    • Detects Healer an antivirus disabler dropper

    • Glupteba

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

    • 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

    • Blocklisted process makes network request

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks