General

  • Target

    dbf1ef4f112dbe0d8c2815aab4ab16c039cc279b922e13ef9f46a49c85e5cfd6

  • Size

    240KB

  • Sample

    230923-fwrz4seg56

  • MD5

    49fd5b975f6e75f4bb92e56a03099d30

  • SHA1

    7984d854309e44507b755a79460f73ea4479fb4d

  • SHA256

    dbf1ef4f112dbe0d8c2815aab4ab16c039cc279b922e13ef9f46a49c85e5cfd6

  • SHA512

    709238989b619e61ba56f49996840e83235b7f216d6b8b479a835db23f3e4da3f6abeba539677809b2e35896b7dca523cfa0a020c407c0b1a88b557d0f91b91e

  • SSDEEP

    3072:+NdvKE5Mno95B0Z4tu6pxdJKnyqx/doHzaGLnaVRZiTyaUDeAg0FujDRVwzKG9by:+h5frpxdonyq4zaG2u5AOJeKYjCiquqp

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

      dbf1ef4f112dbe0d8c2815aab4ab16c039cc279b922e13ef9f46a49c85e5cfd6

    • Size

      240KB

    • MD5

      49fd5b975f6e75f4bb92e56a03099d30

    • SHA1

      7984d854309e44507b755a79460f73ea4479fb4d

    • SHA256

      dbf1ef4f112dbe0d8c2815aab4ab16c039cc279b922e13ef9f46a49c85e5cfd6

    • SHA512

      709238989b619e61ba56f49996840e83235b7f216d6b8b479a835db23f3e4da3f6abeba539677809b2e35896b7dca523cfa0a020c407c0b1a88b557d0f91b91e

    • SSDEEP

      3072:+NdvKE5Mno95B0Z4tu6pxdJKnyqx/doHzaGLnaVRZiTyaUDeAg0FujDRVwzKG9by:+h5frpxdonyq4zaG2u5AOJeKYjCiquqp

    • 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