General

  • Target

    81e316aa4ad2b21b86ee294b728f6feb.exe

  • Size

    1.4MB

  • Sample

    231112-kv2kdaed48

  • MD5

    81e316aa4ad2b21b86ee294b728f6feb

  • SHA1

    b1c88a94cb2f11d5ca19c25d73a5d811a523ad92

  • SHA256

    099c137bcd7e60aab4e147ae2df14501db9e1d0005f756ecd92a973189ecaab1

  • SHA512

    0c7e67191e49329fde123d052bdc1e85558d3cde48ef44c6bccfb0f8a4017e3b9ee9c7edc623da6ecce088ba21127c8aac0699f91ac4aa78beb927e1e2e4195f

  • SSDEEP

    24576:yyW03Kg4GLQvrveaIsXxYGmy1DMWKnc4TJyfsd76yfNARB9kSgrit/lK:ZWDgL+Dehq6GnIJTkfsh6yfNAf0iRl

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

      81e316aa4ad2b21b86ee294b728f6feb.exe

    • Size

      1.4MB

    • MD5

      81e316aa4ad2b21b86ee294b728f6feb

    • SHA1

      b1c88a94cb2f11d5ca19c25d73a5d811a523ad92

    • SHA256

      099c137bcd7e60aab4e147ae2df14501db9e1d0005f756ecd92a973189ecaab1

    • SHA512

      0c7e67191e49329fde123d052bdc1e85558d3cde48ef44c6bccfb0f8a4017e3b9ee9c7edc623da6ecce088ba21127c8aac0699f91ac4aa78beb927e1e2e4195f

    • SSDEEP

      24576:yyW03Kg4GLQvrveaIsXxYGmy1DMWKnc4TJyfsd76yfNARB9kSgrit/lK:ZWDgL+Dehq6GnIJTkfsh6yfNAf0iRl

    • 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++.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Downloads MZ/PE file

    • 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks