Resubmissions

28-11-2024 02:19

241128-cr9sks1kht 10

27-11-2024 21:08

241127-zyzyaawqgn 10

27-11-2024 20:16

241127-y145caymbs 10

27-11-2024 20:13

241127-yzlxdavlen 10

27-11-2024 19:53

241127-yl61dsxpcs 10

27-11-2024 19:38

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27-11-2024 19:03

241127-xqsswsslej 10

27-11-2024 19:03

241127-xqf44aslcr 3

27-11-2024 19:02

241127-xpxqfsslan 3

27-11-2024 18:32

241127-w6pkqs1mek 10

General

  • Target

    Downloaders.zip

  • Size

    12KB

  • Sample

    241127-y145caymbs

  • MD5

    94fe78dc42e3403d06477f995770733c

  • SHA1

    ea6ba4a14bab2a976d62ea7ddd4940ec90560586

  • SHA256

    16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

  • SHA512

    add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff

  • SSDEEP

    384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://bitbucket.org/superappsss/1/downloads/papa_hr_build.exe

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftpcluster.loopia.se
  • Port:
    21
  • Username:
    srbreferee.com
  • Password:
    luka2005

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

127.0.0.1:4449

135.181.185.254:4449

Mutex

fssssssshsfhs444fdf%dfs

Attributes
  • delay

    11

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

82.193.104.21:5137

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Extracted

Family

quasar

Version

1.4.1

Botnet

Main

C2

tpinauskas-54803.portmap.host:54803

Mutex

8422dcc2-b8bd-4080-a017-5b62524b6546

Attributes
  • encryption_key

    2EFF7393DC1BD9FBDDD61A780B994B8166BAB8EC

  • install_name

    Win64.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Win64

  • subdirectory

    SubDir

Extracted

Family

xworm

C2

127.0.0.1:6000

103.211.201.109:6000

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • telegram

    https://api.telegram.org/bot7929370892:AAGwrX5TeyxQidZdAEm_Z6-CDvPUOQzVY1M

Extracted

Family

stealc

Botnet

default

C2

http://185.215.113.17

Attributes
  • url_path

    /2fb6c2cc8dce150a.php

Extracted

Family

xworm

Version

5.0

C2

68.178.207.33:7000

Mutex

sSM7p4MT4JctLnRS

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

107.175.202.158:6606

107.175.202.158:30814

107.175.202.158:25565

107.175.202.158:443

Mutex

anQK5EUHL5vU

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Downloaders.zip

    • Size

      12KB

    • MD5

      94fe78dc42e3403d06477f995770733c

    • SHA1

      ea6ba4a14bab2a976d62ea7ddd4940ec90560586

    • SHA256

      16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

    • SHA512

      add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff

    • SSDEEP

      384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • Detect Xworm Payload

    • Lokibot

      Lokibot is a Password and CryptoCoin Wallet Stealer.

    • Lokibot family

    • Njrat family

    • Phorphiex family

    • Phorphiex payload

    • Phorphiex, Phorpiex

      Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • RedLine

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

    • RedLine payload

    • Redline family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xmrig family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • xmrig

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

    • Async RAT payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Stops running service(s)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • 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.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks