General

  • Target

    4b364ab2a4f4bee71728bb0247310fb3693625555844df225d667b739598b867

  • Size

    240KB

  • Sample

    230923-gs6vjadc3v

  • MD5

    753a5d0fe99ab9da440d32dd1a97beb5

  • SHA1

    5fbe9f836b0572bffc4a386a51a1c88dcbeb2b60

  • SHA256

    4b364ab2a4f4bee71728bb0247310fb3693625555844df225d667b739598b867

  • SHA512

    ba15da67683eeb3b82c2ecc226e2406a6e6e958ba4593fbacb786dc368381bdc9e4fabbd313bace687e73997e0553a2ff38f3dda681752ad09552df734807188

  • SSDEEP

    3072:23NbE5Mno95B0Z4tu6pxdJKnyqx/doHzaGLnaVRZiTyaUDeAg0FujDRVwzKE23xb:2a5frpxdonyq4zaG2u5AOpeKDYxquqp

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

      4b364ab2a4f4bee71728bb0247310fb3693625555844df225d667b739598b867

    • Size

      240KB

    • MD5

      753a5d0fe99ab9da440d32dd1a97beb5

    • SHA1

      5fbe9f836b0572bffc4a386a51a1c88dcbeb2b60

    • SHA256

      4b364ab2a4f4bee71728bb0247310fb3693625555844df225d667b739598b867

    • SHA512

      ba15da67683eeb3b82c2ecc226e2406a6e6e958ba4593fbacb786dc368381bdc9e4fabbd313bace687e73997e0553a2ff38f3dda681752ad09552df734807188

    • SSDEEP

      3072:23NbE5Mno95B0Z4tu6pxdJKnyqx/doHzaGLnaVRZiTyaUDeAg0FujDRVwzKE23xb:2a5frpxdonyq4zaG2u5AOpeKDYxquqp

    • Detect Fabookie payload

    • 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