General

  • Target

    f4af92120cba0d2e138483300e286361b55a3ef49f73c3f01178d5961ecba808

  • Size

    12.5MB

  • Sample

    231117-fe4mksgb9x

  • MD5

    00829a13780824866f9c2e081434a9fa

  • SHA1

    51a0ba12ad4c7677b40b2a3cbbe78abdc656344e

  • SHA256

    f4af92120cba0d2e138483300e286361b55a3ef49f73c3f01178d5961ecba808

  • SHA512

    11ac3c3a67735e11a5edf616f8868b6bf0d9bb06218c79e7f2acd5e6deacfc9ac276896c9b3db4169a5868a55e26cabaf78b517c8e483ae081a61adb57af3a6b

  • SSDEEP

    196608:XN2ZGay7QMB2+fwHBze5uglOtQYrWEZfK5IgAOdyWio4xiE+7i6vxV8jv0c44:AZQ8+fwteUEBuyF4Y3VrY0cx

Malware Config

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

Targets

    • Target

      f4af92120cba0d2e138483300e286361b55a3ef49f73c3f01178d5961ecba808

    • Size

      12.5MB

    • MD5

      00829a13780824866f9c2e081434a9fa

    • SHA1

      51a0ba12ad4c7677b40b2a3cbbe78abdc656344e

    • SHA256

      f4af92120cba0d2e138483300e286361b55a3ef49f73c3f01178d5961ecba808

    • SHA512

      11ac3c3a67735e11a5edf616f8868b6bf0d9bb06218c79e7f2acd5e6deacfc9ac276896c9b3db4169a5868a55e26cabaf78b517c8e483ae081a61adb57af3a6b

    • SSDEEP

      196608:XN2ZGay7QMB2+fwHBze5uglOtQYrWEZfK5IgAOdyWio4xiE+7i6vxV8jv0c44:AZQ8+fwteUEBuyF4Y3VrY0cx

    • Glupteba

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

    • Glupteba 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

    • 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)

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Windows security modification

    • 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