General

  • Target

    file.exe

  • Size

    427KB

  • Sample

    230930-wmfhqaga39

  • MD5

    1625aa2e11acb7ed85896a5e5ab2d3ec

  • SHA1

    a1cb196ef1a86350f3a322d4d4d100c46d43d0ef

  • SHA256

    e8c975487099db4ca2b7d9a1f0c3901d22ffa6c476ae796a100db99945c63620

  • SHA512

    10d0dcd98ec36331864afec41eba9b39cf46f24e532d6d7e4ee284148b654ea8116df04ded2e38e37308dc8b3fbf1f58a390c7f71d2f19df8ea6d6cfe8b76dde

  • SSDEEP

    12288:NMrHy90viXrioUrk1pG3aB/ptqsNUxugXb3:yyyoUrkcsKwgXb3

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

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

fabookie

C2

http://app.nnnaajjjgc.com/check/safe

Extracted

Family

redline

Botnet

gruha

C2

77.91.124.55:19071

Attributes
  • auth_value

    2f4cf2e668a540e64775b27535cc6892

Extracted

Family

redline

Botnet

luska

C2

77.91.124.55:19071

Attributes
  • auth_value

    a6797888f51a88afbfd8854a79ac9357

Targets

    • Target

      file.exe

    • Size

      427KB

    • MD5

      1625aa2e11acb7ed85896a5e5ab2d3ec

    • SHA1

      a1cb196ef1a86350f3a322d4d4d100c46d43d0ef

    • SHA256

      e8c975487099db4ca2b7d9a1f0c3901d22ffa6c476ae796a100db99945c63620

    • SHA512

      10d0dcd98ec36331864afec41eba9b39cf46f24e532d6d7e4ee284148b654ea8116df04ded2e38e37308dc8b3fbf1f58a390c7f71d2f19df8ea6d6cfe8b76dde

    • SSDEEP

      12288:NMrHy90viXrioUrk1pG3aB/ptqsNUxugXb3:yyyoUrkcsKwgXb3

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detect Fabookie payload

    • Detected google phishing page

    • Fabookie

      Fabookie is facebook account info stealer.

    • 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.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Modifies boot configuration data using bcdedit

    • XMRig Miner payload

    • 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.

    • 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.

    • 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.

    • 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