General

  • Target

    file.exe

  • Size

    273KB

  • Sample

    230325-ys84bsec37

  • MD5

    4761630c190797e0c3ebc304a02ac855

  • SHA1

    2f1cc6f608ffa0e8d6f9d87048e2c738feb0c7e4

  • SHA256

    631649edae809adf365c2def004837945e90c152dd3bc9d2477c86f8d58cb0df

  • SHA512

    b57c87fb9e901c22179e403c824f19338cc0c7d30a068e1e1280c7e6680bdc8318c741afcc203bf527308025524fdf13c930d1dcd928962ea6123a0bcf669536

  • SSDEEP

    3072:CA+Vl0aLHRoi3FALvEjT78+mMbAkcVM5BB9Jh/LWK5vLOkisj/YhBSCJQN0fm2Rh:yhoiVd78+3rLWK5jHi/VTfz

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Extracted

Family

smokeloader

Version

2022

C2

http://aapu.at/tmp/

http://poudineh.com/tmp/

http://firsttrusteedrx.ru/tmp/

http://kingpirate.ru/tmp/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

koreamon

C2

koreamonitoring.com:80

Attributes
  • auth_value

    1a0e1a9f491ef3df873a03577dfa10aa

Targets

    • Target

      file.exe

    • Size

      273KB

    • MD5

      4761630c190797e0c3ebc304a02ac855

    • SHA1

      2f1cc6f608ffa0e8d6f9d87048e2c738feb0c7e4

    • SHA256

      631649edae809adf365c2def004837945e90c152dd3bc9d2477c86f8d58cb0df

    • SHA512

      b57c87fb9e901c22179e403c824f19338cc0c7d30a068e1e1280c7e6680bdc8318c741afcc203bf527308025524fdf13c930d1dcd928962ea6123a0bcf669536

    • SSDEEP

      3072:CA+Vl0aLHRoi3FALvEjT78+mMbAkcVM5BB9Jh/LWK5vLOkisj/YhBSCJQN0fm2Rh:yhoiVd78+3rLWK5jHi/VTfz

    • Detect rhadamanthys stealer shellcode

    • 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.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks