Resubmissions

22-05-2024 09:14

240522-k7dzvaad9z 10

21-05-2024 10:21

240521-mdy42aaa2x 10

21-05-2024 10:18

240521-mcbx4shg72 10

17-05-2024 09:41

240517-ln94lscb31 10

17-05-2024 09:37

240517-llzvvsca21 10

11-05-2024 15:00

240511-sdrmvacf3z 3

11-05-2024 09:17

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11-05-2024 09:01

240511-kza8zsdb45 3

10-05-2024 10:35

240510-mmmglahf3z 10

General

  • Target

    Downloaders.zip

  • Size

    12KB

  • Sample

    240517-ln94lscb31

  • MD5

    94fe78dc42e3403d06477f995770733c

  • SHA1

    ea6ba4a14bab2a976d62ea7ddd4940ec90560586

  • SHA256

    16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

  • SHA512

    add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff

  • SSDEEP

    384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2836&c=1002

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=1002

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=1002

Extracted

Family

xworm

C2

127.0.0.1:7000

beshomandotestbesnd.run.place:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    taskmgr.exe

  • telegram

    https://api.telegram.org/bot2128988424:AAEkYnwvOQA95riqRZwlqBxg4GV-odRNOyo/sendMessage?chat_id=966649672

Extracted

Family

redline

Botnet

Vic

C2

beshomandotestbesnd.run.place:1111

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

79.132.193.215:4782

185.196.10.233:4782

Mutex

f99ccef5-65c4-4972-adf2-fb38921cc9fc

Attributes
  • encryption_key

    1C15E91ACCFAC60B043A1336CF6912EA8572BA83

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.magna.com.pk
  • Port:
    587
  • Username:
    printingpress@magna.com.pk
  • Password:
    Ahp6wqxfZb)D
  • Email To:
    adbtunnis@gmail.com

Extracted

Family

xworm

Version

5.0

Targets

    • Target

      Downloaders.zip

    • Size

      12KB

    • MD5

      94fe78dc42e3403d06477f995770733c

    • SHA1

      ea6ba4a14bab2a976d62ea7ddd4940ec90560586

    • SHA256

      16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

    • SHA512

      add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff

    • SSDEEP

      384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • PureLog Stealer

      PureLog Stealer is an infostealer written in C#.

    • PureLog Stealer payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • RedLine

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

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Warzone RAT payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Stops running service(s)

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Registers COM server for autorun

    • UPX packed file

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

    • 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)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • Checks system information in the registry

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Windows Management Instrumentation

1
T1047

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Impair Defenses

1
T1562

Modify Registry

4
T1112

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Discovery

Query Registry

5
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

5
T1082

Process Discovery

1
T1057

Remote System Discovery

1
T1018

Command and Control

Web Service

1
T1102

Impact

Inhibit System Recovery

2
T1490

Service Stop

1
T1489

Tasks