General

  • Target

    a41834478ad7fd4d639c995d904833e6166e2ff74714aab20ddecdbe77a0689a

  • Size

    933KB

  • Sample

    230923-yvv99aca43

  • MD5

    f708ab645345d13f0db213b6fc2cfa4a

  • SHA1

    52b217ee47e05a81d8fa17c8eb63c7f88ecf212e

  • SHA256

    a41834478ad7fd4d639c995d904833e6166e2ff74714aab20ddecdbe77a0689a

  • SHA512

    095f7ea81d8e70c535c06358de5f2961508327959aeb038e35d1cd87622b8718b0df1e15162c6cc21eeff4c7554fee1aae4c5ae5184df2766b54d5404bfe472d

  • SSDEEP

    12288:rMrTy90U/Q+RfgFMFJq1M8BJMUhbI7O1yivVvH0ijRdwhst6vazYBiyFuqdUsIp+:4yczq7q52ivVxP6va8B5WxzcBdUOr

Malware Config

Extracted

Family

redline

Botnet

nanya

C2

77.91.124.82:19071

Attributes
  • auth_value

    640aa5afe54f566d8795f0dc723f8b52

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

Targets

    • Target

      a41834478ad7fd4d639c995d904833e6166e2ff74714aab20ddecdbe77a0689a

    • Size

      933KB

    • MD5

      f708ab645345d13f0db213b6fc2cfa4a

    • SHA1

      52b217ee47e05a81d8fa17c8eb63c7f88ecf212e

    • SHA256

      a41834478ad7fd4d639c995d904833e6166e2ff74714aab20ddecdbe77a0689a

    • SHA512

      095f7ea81d8e70c535c06358de5f2961508327959aeb038e35d1cd87622b8718b0df1e15162c6cc21eeff4c7554fee1aae4c5ae5184df2766b54d5404bfe472d

    • SSDEEP

      12288:rMrTy90U/Q+RfgFMFJq1M8BJMUhbI7O1yivVvH0ijRdwhst6vazYBiyFuqdUsIp+:4yczq7q52ivVxP6va8B5WxzcBdUOr

    • Detect Fabookie payload

    • Detects Healer an antivirus disabler dropper

    • Fabookie

      Fabookie is facebook account info stealer.

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • 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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks