General

  • Target

    316204371f8a54bdd3ae9ac927fbf51f269ba0712d69326425f8dc98c9814323

  • Size

    239KB

  • Sample

    230923-3hpn6ace98

  • MD5

    16ea5e34a556ce4e4dcbee4c8f9df439

  • SHA1

    c5888bf4a8a02ae14af5083db854c760b21a1c50

  • SHA256

    316204371f8a54bdd3ae9ac927fbf51f269ba0712d69326425f8dc98c9814323

  • SHA512

    48e68d84fdfb06f7453165e9971a5fd0399824af401d0ce401fe8cf24b4aa90f85b2b43dd5cb388da7c7aaecb9399433592c900629dd17df9368227716fefc47

  • SSDEEP

    6144:nS46fuYXChoQTjlFgLuCY1dRuAOx9jNw8y0:n3YzXChdTbv1bux5w8y

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

Targets

    • Target

      316204371f8a54bdd3ae9ac927fbf51f269ba0712d69326425f8dc98c9814323

    • Size

      239KB

    • MD5

      16ea5e34a556ce4e4dcbee4c8f9df439

    • SHA1

      c5888bf4a8a02ae14af5083db854c760b21a1c50

    • SHA256

      316204371f8a54bdd3ae9ac927fbf51f269ba0712d69326425f8dc98c9814323

    • SHA512

      48e68d84fdfb06f7453165e9971a5fd0399824af401d0ce401fe8cf24b4aa90f85b2b43dd5cb388da7c7aaecb9399433592c900629dd17df9368227716fefc47

    • SSDEEP

      6144:nS46fuYXChoQTjlFgLuCY1dRuAOx9jNw8y0:n3YzXChdTbv1bux5w8y

    • Detect rhadamanthys stealer shellcode

    • Glupteba

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

    • Glupteba payload

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • xmrig

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

    • XMRig Miner payload

    • Downloads MZ/PE file

    • 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.

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks