General

  • Target

    38f8bfa762654525bfcddd6e51d8bfe172cc93a71aea40a230a469622ab981cc

  • Size

    239KB

  • Sample

    230923-x3fzvsaa6y

  • MD5

    6395af9449ec9cc3d00ee011b86f9c8b

  • SHA1

    257180dd2ec981914949a1aa3b1bea80d3893af7

  • SHA256

    38f8bfa762654525bfcddd6e51d8bfe172cc93a71aea40a230a469622ab981cc

  • SHA512

    27058cdde44d73d79c69ab3bc2d4ef809a99cc17e39afd74b6ec3b894469184f345b3f0afd4848d251ee771a4c7ba370760e7f5abd7ca9faa1b2e11921561b28

  • SSDEEP

    6144:Td46fuYXChoQTjlFgLuCY1dRuAOBMs4JhAvw8y0:TKYzXChdTbv1bu0s4zAvw8y

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

smokeloader

Botnet

up3

Extracted

Family

fabookie

C2

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

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Targets

    • Target

      38f8bfa762654525bfcddd6e51d8bfe172cc93a71aea40a230a469622ab981cc

    • Size

      239KB

    • MD5

      6395af9449ec9cc3d00ee011b86f9c8b

    • SHA1

      257180dd2ec981914949a1aa3b1bea80d3893af7

    • SHA256

      38f8bfa762654525bfcddd6e51d8bfe172cc93a71aea40a230a469622ab981cc

    • SHA512

      27058cdde44d73d79c69ab3bc2d4ef809a99cc17e39afd74b6ec3b894469184f345b3f0afd4848d251ee771a4c7ba370760e7f5abd7ca9faa1b2e11921561b28

    • SSDEEP

      6144:Td46fuYXChoQTjlFgLuCY1dRuAOBMs4JhAvw8y0:TKYzXChdTbv1bu0s4zAvw8y

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Detected potential entity reuse from brand microsoft.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks