General

  • Target

    a23f59cce80bf11d03493f4bc7991a49.exe

  • Size

    257KB

  • Sample

    230923-yjs1raab8x

  • MD5

    a23f59cce80bf11d03493f4bc7991a49

  • SHA1

    c50a1f75e8faeb288be3b2c6d0d7aeb5e256527d

  • SHA256

    400c439c210a3646a340f0822b99b7883bf3f5abe2b102b8920f30a7538363f7

  • SHA512

    abc2453dc293c3a681080d70ef70bef45944bf02f71173768df8a2228e58ec5d15b3ea060e85658455725b58ff967f5e7c84176470f99b8ae7707ddf6d976637

  • SSDEEP

    6144:CgoTmInU3SPmZbHh3Y/feAOTLueHveS5fYyUi9:CgkU3SPJ/2UeHWS9YyUi

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

fabookie

C2

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

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

      a23f59cce80bf11d03493f4bc7991a49.exe

    • Size

      257KB

    • MD5

      a23f59cce80bf11d03493f4bc7991a49

    • SHA1

      c50a1f75e8faeb288be3b2c6d0d7aeb5e256527d

    • SHA256

      400c439c210a3646a340f0822b99b7883bf3f5abe2b102b8920f30a7538363f7

    • SHA512

      abc2453dc293c3a681080d70ef70bef45944bf02f71173768df8a2228e58ec5d15b3ea060e85658455725b58ff967f5e7c84176470f99b8ae7707ddf6d976637

    • SSDEEP

      6144:CgoTmInU3SPmZbHh3Y/feAOTLueHveS5fYyUi9:CgkU3SPJ/2UeHWS9YyUi

    • 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

    • 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.

    • 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 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