General

  • Target

    db148e6f5b8436b1f2f75ade3942c0d5682a3a724a8ed746a17f85ae9724a630

  • Size

    239KB

  • Sample

    230923-3wf9yacf39

  • MD5

    030118148cd32aa8104d0470f105b19f

  • SHA1

    c6125c665b1941e42007c28074052fc09e6216d6

  • SHA256

    db148e6f5b8436b1f2f75ade3942c0d5682a3a724a8ed746a17f85ae9724a630

  • SHA512

    5903d84c558feb7eca3ac25ec4585c6ded4c59092b0a390ff2146b8eb3a92b269bcea774190085c640f25f802b3c7526755c2c3df3cbc44e25cbf958727ce364

  • SSDEEP

    6144:mw46fuYXChoQTjlFgLuCY1dRuAOAGdpR5Y00w8y0:mBYzXChdTbv1buPY00w8y

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

      db148e6f5b8436b1f2f75ade3942c0d5682a3a724a8ed746a17f85ae9724a630

    • Size

      239KB

    • MD5

      030118148cd32aa8104d0470f105b19f

    • SHA1

      c6125c665b1941e42007c28074052fc09e6216d6

    • SHA256

      db148e6f5b8436b1f2f75ade3942c0d5682a3a724a8ed746a17f85ae9724a630

    • SHA512

      5903d84c558feb7eca3ac25ec4585c6ded4c59092b0a390ff2146b8eb3a92b269bcea774190085c640f25f802b3c7526755c2c3df3cbc44e25cbf958727ce364

    • SSDEEP

      6144:mw46fuYXChoQTjlFgLuCY1dRuAOAGdpR5Y00w8y0:mBYzXChdTbv1buPY00w8y

    • Detect Fabookie payload

    • Detect rhadamanthys stealer shellcode

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

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

    • Glupteba payload

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (66) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • XMRig Miner payload

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • 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 Microsoft Outlook profiles

    • 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.

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks