General

  • Target

    9453e2425a1d5b05519b0d73658e37e6.bin

  • Size

    999KB

  • Sample

    231112-c77yxsce6y

  • MD5

    e2751d1109fe5b5d7cfcfe19453652fd

  • SHA1

    10911086f20a027b829087809a7de5379e6c3a5f

  • SHA256

    b0e0cd440b3a9031836923103fcabdcffea76f723d52cc5021a078b70a1cf572

  • SHA512

    bdd0cb77fbc7067244d0401b789492f3494903cf812164a676f33239d30535993083b596276a5cc1f558fb96ba099f9b4d87b5100a52b176b07105aa8fd8e2aa

  • SSDEEP

    24576:K1xdOivMY3D7OMlB4AGQVjLWOZ57GwjhOU7tiSTzGTv7:U1MS6MlSk5KwYstipv7

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://5.42.92.190/fks/index.php

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

taiga

C2

5.42.92.51:19057

Extracted

Family

stealc

C2

http://77.91.68.247

Attributes
  • url_path

    /c36258786fdc16da.php

rc4.plain

Extracted

Family

smokeloader

Botnet

up3

Targets

    • Target

      68cdb9386a731d632b95fa312510d802ea16e1faad66411795e2b407c19809c0.exe

    • Size

      1.0MB

    • MD5

      9453e2425a1d5b05519b0d73658e37e6

    • SHA1

      46e9fd2bd828a4a29113a6a32547c2efc6a8ff6a

    • SHA256

      68cdb9386a731d632b95fa312510d802ea16e1faad66411795e2b407c19809c0

    • SHA512

      5f830727c333803b55befd74681a0849c852f80cefe88533f1861fba8484fae6a57c5632df76567ef038715ef74958fcfa3994ee2059d0469adafd9a6d282055

    • SSDEEP

      24576:8y02nOkgdtaeAIsXCPGEblDdN0KjtBTcU4o:r02nlZeHw8GW7tBTc

    • Detect Mystic stealer payload

    • Detect ZGRat V1

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Mystic

      Mystic is an infostealer written in C++.

    • 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.

    • Stealc

      Stealc is an infostealer written in C++.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • 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.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Detected potential entity reuse from brand paypal.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks