General

  • Target

    maple.rar

  • Size

    83.6MB

  • Sample

    240720-bv4kastepc

  • MD5

    5496bbda0f232739693181b75449651d

  • SHA1

    6ead70b12fbe4531997c3ea926c7b063d3774993

  • SHA256

    45a32a4a46e916adfb5017ef80f07b7410f04879cd75193fedce951ba1751ced

  • SHA512

    e11145b8b3ffcfc43cde8b8f002c5607275ab80bd502126ceee4b616915b1f887a33536b9d1a6ffea82b37e696a23acaa829b7cf58b16d81b1e9236c8a750d72

  • SSDEEP

    1572864:juAoNPdn4+nKVQDd75zrPu5IdW6fZoNTLjqCJNekAKSO4OTLgpjK8SAsUja3J8/d:iFznKurPohjqCakQvWgpeThUu3JAtZ

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendDocument?chat_id=-1002245526003&caption=%F0%9F%93%82%20-%20Browser%20data%0A%E2%94%9C%E2%94%80%E2%94%80%20%F0%9F%93%82%20-%20cookies(0%20kb

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendMessage?chat_id=-1002245526003

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/getUpdates?offset=-

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendDocument?chat_id=-1002245526003&caption=%F0%9F%93%B8Screenshot%20take

Targets

    • Target

      maple.rar

    • Size

      83.6MB

    • MD5

      5496bbda0f232739693181b75449651d

    • SHA1

      6ead70b12fbe4531997c3ea926c7b063d3774993

    • SHA256

      45a32a4a46e916adfb5017ef80f07b7410f04879cd75193fedce951ba1751ced

    • SHA512

      e11145b8b3ffcfc43cde8b8f002c5607275ab80bd502126ceee4b616915b1f887a33536b9d1a6ffea82b37e696a23acaa829b7cf58b16d81b1e9236c8a750d72

    • SSDEEP

      1572864:juAoNPdn4+nKVQDd75zrPu5IdW6fZoNTLjqCJNekAKSO4OTLgpjK8SAsUja3J8/d:iFznKurPohjqCakQvWgpeThUu3JAtZ

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • MilleniumRat

      MilleniumRat is a remote access trojan written in C#.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Contacts a large (2006) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Command and Scripting Interpreter: PowerShell

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

    • 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.

    • UPX packed file

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

1
T1569

Service Execution

1
T1569.002

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Network Service Discovery

1
T1046

Query Registry

4
T1012

System Information Discovery

6
T1082

Process Discovery

1
T1057

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks