General

  • Target

    c3ebb846c61392cedd3dcca8f083f8bf.exe

  • Size

    296KB

  • Sample

    231010-sbvxgsgb29

  • MD5

    c3ebb846c61392cedd3dcca8f083f8bf

  • SHA1

    22d9e275ca2da6c8340c5f6149b9357d382dba04

  • SHA256

    c7c27c7e360b66c7a5841b9da0bf4a45811ce0716613234616a7f447bb41f28c

  • SHA512

    cdb3a00750dae32ec54553c20d7afe29ae68f9247d5594501d0f9c4f8d561bd6839527d10cea4be442606e35bab7766994625b2a0710a4aa073a0cb25640221b

  • SSDEEP

    6144:It0Ycr4maH8w5893Oc5kbAgnKAOAURhwwYLn5:q01rJacwS3BFlmwYF

Malware Config

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

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

Extracted

Family

stealc

C2

http://5.42.65.39

Attributes
  • url_path

    /bed95ea4798a5204.php

rc4.plain

Extracted

Family

redline

Botnet

@ytlogsbot

C2

185.216.70.238:37515

Extracted

Family

redline

Botnet

magia

C2

77.91.124.55:19071

Extracted

Family

redline

Botnet

lutyr

C2

77.91.124.55:19071

Targets

    • Target

      c3ebb846c61392cedd3dcca8f083f8bf.exe

    • Size

      296KB

    • MD5

      c3ebb846c61392cedd3dcca8f083f8bf

    • SHA1

      22d9e275ca2da6c8340c5f6149b9357d382dba04

    • SHA256

      c7c27c7e360b66c7a5841b9da0bf4a45811ce0716613234616a7f447bb41f28c

    • SHA512

      cdb3a00750dae32ec54553c20d7afe29ae68f9247d5594501d0f9c4f8d561bd6839527d10cea4be442606e35bab7766994625b2a0710a4aa073a0cb25640221b

    • SSDEEP

      6144:It0Ycr4maH8w5893Oc5kbAgnKAOAURhwwYLn5:q01rJacwS3BFlmwYF

    • 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.

    • 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.

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • 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.

    • Uses the VBS compiler for execution

    • 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 WinMon driver.

      Roottkits write to WinMon to hide PIDs from being detected.

    • 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