General

  • Target

    b2209d8f604eb67c6ac92e678576a3790fb24861bfd04755b742ce25a1b04cf6

  • Size

    866KB

  • Sample

    231023-fk14mseb7t

  • MD5

    abe39f6d918ed545efe4421561c0f37d

  • SHA1

    6359c59965206a597b0a94ecd79f9d1990e2778a

  • SHA256

    b2209d8f604eb67c6ac92e678576a3790fb24861bfd04755b742ce25a1b04cf6

  • SHA512

    57c0e1c6fcf463da67d8006b68a518e11b567057138ecf853de9fca1c60b1ca6f9e21c5d7eca2fac741e7049363a3535afa7f028142f36ae83c7a2e36e37ecbf

  • SSDEEP

    12288:dMrny90suq1o+C43mHytBtVbT7dm2DFEyQKWaQPWDPzG6JefACnhG7h99:eykq1o+C4WHytxbN3DmynRDb2hG7b9

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

breha

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

homed

C2

109.107.182.133:19084

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

kinder

C2

109.107.182.133:19084

Extracted

Family

redline

Botnet

5141679758_99

C2

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

Targets

    • Target

      b2209d8f604eb67c6ac92e678576a3790fb24861bfd04755b742ce25a1b04cf6

    • Size

      866KB

    • MD5

      abe39f6d918ed545efe4421561c0f37d

    • SHA1

      6359c59965206a597b0a94ecd79f9d1990e2778a

    • SHA256

      b2209d8f604eb67c6ac92e678576a3790fb24861bfd04755b742ce25a1b04cf6

    • SHA512

      57c0e1c6fcf463da67d8006b68a518e11b567057138ecf853de9fca1c60b1ca6f9e21c5d7eca2fac741e7049363a3535afa7f028142f36ae83c7a2e36e37ecbf

    • SSDEEP

      12288:dMrny90suq1o+C43mHytBtVbT7dm2DFEyQKWaQPWDPzG6JefACnhG7h99:eykq1o+C4WHytxbN3DmynRDb2hG7b9

    • 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 google phishing page

    • Glupteba

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

    • 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

    • Windows security bypass

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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