General

  • Target

    file.exe

  • Size

    251KB

  • Sample

    230327-r6ey3sga4y

  • MD5

    28676ee6929ed8b6d7082851f6933bc7

  • SHA1

    f391a10869df832a3942b6f3dec017819c5d2e1d

  • SHA256

    58cc5482d7de511b7adc6819c858b1c6de067fec262813396e0f580ada1e1ecd

  • SHA512

    4a47a0b4d04a0bb1ca49f77d3f653bcb4021368f3be1385022314ab48d4e8a6d5b8a32af727cca9d389794b3cf01afc028c7f92fce6587e981312e1c286d9978

  • SSDEEP

    3072:01XwHn5/TE2zdkzLuw/y0/IUIOIMzZ/4+DeuYOXSGEreU23ReOAj5qdqDb:cAHC2RkzLj/d/IKLxAreU23Ms4

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

      251KB

    • MD5

      28676ee6929ed8b6d7082851f6933bc7

    • SHA1

      f391a10869df832a3942b6f3dec017819c5d2e1d

    • SHA256

      58cc5482d7de511b7adc6819c858b1c6de067fec262813396e0f580ada1e1ecd

    • SHA512

      4a47a0b4d04a0bb1ca49f77d3f653bcb4021368f3be1385022314ab48d4e8a6d5b8a32af727cca9d389794b3cf01afc028c7f92fce6587e981312e1c286d9978

    • SSDEEP

      3072:01XwHn5/TE2zdkzLuw/y0/IUIOIMzZ/4+DeuYOXSGEreU23ReOAj5qdqDb:cAHC2RkzLj/d/IKLxAreU23Ms4

    • 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