General

  • Target

    7e8efad1ad967a0c9740192a333ef660.bin

  • Size

    999KB

  • Sample

    231112-cxe56ace3w

  • MD5

    9e1a47d75cf05aec92493e4414db524c

  • SHA1

    1cabad05588c522c43618d74c897d389d871dad9

  • SHA256

    29c3bf2de78af4d4f289497fc0bc556feabb438fd8314321222f173550515dd1

  • SHA512

    72c22fdbd43a786c454cbf882685f136c6d0626bc58302d9107f4fa9b496efa589c52cf5af354cda91edcaff816fc6e8fac20e6a7963e5e009a1e9e68fa78a72

  • SSDEEP

    24576:dqah1MQmI/0UMxDRT8V1PMqKv+HLs+ppbrWQ1wk:dqaheQmwJ80wv+rs+TR/

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://5.42.92.190/fks/index.php

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

taiga

C2

5.42.92.51:19057

Extracted

Family

stealc

C2

http://77.91.68.247

Attributes
  • url_path

    /c36258786fdc16da.php

rc4.plain

Extracted

Family

smokeloader

Botnet

up3

Targets

    • Target

      1b4a83871dc67d0711f31b40a38c517524d6e481c997772a9eac7f2e240d8cba.exe

    • Size

      1.0MB

    • MD5

      7e8efad1ad967a0c9740192a333ef660

    • SHA1

      4c083b9714f7e2805a0abf98abc8f85e7c3fe3dc

    • SHA256

      1b4a83871dc67d0711f31b40a38c517524d6e481c997772a9eac7f2e240d8cba

    • SHA512

      b33bfacb9caebd8689df1b5576cc795956bff4d53d87f8820018e00fd0e03ec1fe07d58e6e00c0825fb079f8817ce1b00b5a6d18359a38008b0c7cfee4e729b5

    • SSDEEP

      24576:rypCLhd8bCcEr20aewIssCBGPciDRwWB08HFYeb5uaccO:ewLQmLSte3d+Gjm/8lYeka

    • Detect Mystic stealer payload

    • Detect ZGRat V1

    • Glupteba

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

    • Glupteba payload

    • Mystic

      Mystic is an infostealer written in C++.

    • 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

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • 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.

    • 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

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Detected potential entity reuse from brand paypal.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks