General

  • Target

    file.exe

  • Size

    1.5MB

  • Sample

    231023-jld72sgh28

  • MD5

    2f962323209282ebba31efff7117d0d4

  • SHA1

    0fba8348c9cfcf54a0dd29b2acb9f0011e049484

  • SHA256

    8a22b3547d55ed1bf92532b2a248957af18942f3341b54d624846dc2351dcec6

  • SHA512

    72ae199946d0ddd3b9f44eb59eef6ac8ca31d8db30fa1562aeaf47a4991d9e4c081ed0d307bad41ae744e6f225f0026c34cfb0f81f65fe7e7c34ea922cea026d

  • SSDEEP

    24576:Sy3l3ne9IPlf5pI+C14ESn6d2kQGBoiwdGWmg1hkiWmEcksD2WTPqG/t:53l8U5p4Lw6qK/fw2WTSG

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

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

smokeloader

Botnet

up3

Extracted

Family

redline

Botnet

5141679758_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

Extracted

Family

redline

Botnet

YT&TEAM CLOUD

C2

185.216.70.238:37515

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

89.23.100.93:4449

Mutex

oonrejgwedvxwse

Attributes
  • delay

    1

  • install

    true

  • install_file

    calc.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      file.exe

    • Size

      1.5MB

    • MD5

      2f962323209282ebba31efff7117d0d4

    • SHA1

      0fba8348c9cfcf54a0dd29b2acb9f0011e049484

    • SHA256

      8a22b3547d55ed1bf92532b2a248957af18942f3341b54d624846dc2351dcec6

    • SHA512

      72ae199946d0ddd3b9f44eb59eef6ac8ca31d8db30fa1562aeaf47a4991d9e4c081ed0d307bad41ae744e6f225f0026c34cfb0f81f65fe7e7c34ea922cea026d

    • SSDEEP

      24576:Sy3l3ne9IPlf5pI+C14ESn6d2kQGBoiwdGWmg1hkiWmEcksD2WTPqG/t:53l8U5p4Lw6qK/fw2WTSG

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • 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.

    • Glupteba payload

    • 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

    • Async RAT payload

    • 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 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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