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General

  • Target

    b3f3330fd5802dd70ea8c7540b5a8947a0993650ec489524a5485e4acc25d4f8

  • Size

    239KB

  • Sample

    230923-n7sd1sha39

  • MD5

    201ac64c5117fcf66269db64d53b53c9

  • SHA1

    bc05075ad38777b626f95c66d5520216d7e733df

  • SHA256

    b3f3330fd5802dd70ea8c7540b5a8947a0993650ec489524a5485e4acc25d4f8

  • SHA512

    8e51e9348c92304a6426e9c3067bb74654cb4d80bfc6dbd00f43bf4eb4e1bf41f8237d1a34ddfb7728663ba95c664b1c299d58fac8e7d17b37371e15fb9fd3b4

  • SSDEEP

    6144:tM46fuYXChoQTjlFgLuCY1dRuAOzva9nw8y0:tVYzXChdTbv1buhkw8y

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

      b3f3330fd5802dd70ea8c7540b5a8947a0993650ec489524a5485e4acc25d4f8

    • Size

      239KB

    • MD5

      201ac64c5117fcf66269db64d53b53c9

    • SHA1

      bc05075ad38777b626f95c66d5520216d7e733df

    • SHA256

      b3f3330fd5802dd70ea8c7540b5a8947a0993650ec489524a5485e4acc25d4f8

    • SHA512

      8e51e9348c92304a6426e9c3067bb74654cb4d80bfc6dbd00f43bf4eb4e1bf41f8237d1a34ddfb7728663ba95c664b1c299d58fac8e7d17b37371e15fb9fd3b4

    • SSDEEP

      6144:tM46fuYXChoQTjlFgLuCY1dRuAOzva9nw8y0:tVYzXChdTbv1buhkw8y

    • 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