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Analysis
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max time kernel
150s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
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submitted
21/08/2024, 13:59
General
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Target
Svhost.exe
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Size
399KB
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MD5
7d4970831fafb993a4b0de345cb6832b
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SHA1
ff95a1c11fe502a396f65cb817abf6796dfb791a
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SHA256
fa47d6d85592087d1cba503253670920ac9545deb3176006fc79606b21ae966c
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SHA512
9b27ecaca0dc6b7b68acdcfc4308f213b94ddfea3cbc357ee96e1cc82bd2e3cfb06c4c8a9ce5647fbde18931f5e2b34e5a119295c4548d719b7a85d425657b84
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SSDEEP
6144:PaSpJQYtBJ5666+e6VlWT8b9L+s82y00ZFlTzubWKrhtwwD:PPph95o+PVle8Is8LZFFCrhtw4
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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Adds Run key to start application 2 TTPs 1 IoCs
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Drops file in Windows directory 1 IoCs
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 6 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\Svhost.exe"C:\Users\Admin\AppData\Local\Temp\Svhost.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\CMD.exe"CMD" /C SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "svchost.exe" /tr "C:\Users\Admin\AppData\Roaming\xdwdAvast Antivirus Upgrade.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeSchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "svchost.exe" /tr "C:\Users\Admin\AppData\Roaming\xdwdAvast Antivirus Upgrade.exe"3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
136KB
MD516e5a492c9c6ae34c59683be9c51fa31
SHA197031b41f5c56f371c28ae0d62a2df7d585adaba
SHA25635c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66
SHA51220fd369172ef5e3e2fde388666b42e8fe5f0c2bfa338c0345f45e98af6561a249ba3ecc48c3f16efcc73f02ecb67b3ddb1e2e8f0e77d18fa00ac34e6379e50b6
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Filesize
4KB
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Filesize
416KB
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Filesize
4KB
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Filesize
9.9MB
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Filesize
72KB
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Filesize
9.9MB
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Filesize
1.7MB
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Filesize
4KB
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Filesize
1.7MB
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Filesize
136KB