Analysis
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max time kernel
739s -
max time network
741s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
30-05-2024 13:06
Static task
static1
Behavioral task
behavioral1
Sample
Client.exe
Resource
win10v2004-20240508-en
General
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Target
Client.exe
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Size
157KB
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MD5
2560eaeea2f78be73934dff77dc21115
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SHA1
47da9e0270fdd3c762dcb371614eaf4ff67add03
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SHA256
c5bbe1f75d15903b38f0c1e944b8205dcbbb8033206b22921ad90bc64b0699e6
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SHA512
5ac9af16716e2e9ffa1cec0f74f273468789caf157ddfe7cbf20e6efdf03ad5f0c86d46bf8944c15a79c8d890ec4f683a9c4758c44c3ce5a5f0d3915f9fe977c
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SSDEEP
3072:CISoucNzBhW8cKaf7uWQOPodew6FPudZjbahd1P+Aw+RMqgZ:YK5cKsK/jdew6xulbaP+ug
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2852 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
Client.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation Client.exe -
Drops startup file 2 IoCs
Processes:
WindowsServices.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b22a0109880b3427de44fee115dc40ce.exe WindowsServices.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b22a0109880b3427de44fee115dc40ce.exe WindowsServices.exe -
Executes dropped EXE 1 IoCs
Processes:
WindowsServices.exepid process 2736 WindowsServices.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
WindowsServices.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b22a0109880b3427de44fee115dc40ce = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsServices.exe\" .." WindowsServices.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b22a0109880b3427de44fee115dc40ce = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsServices.exe\" .." WindowsServices.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
Client.exepid process 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe 1436 Client.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
Client.exeWindowsServices.exedescription pid process Token: SeDebugPrivilege 1436 Client.exe Token: SeDebugPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe Token: 33 2736 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2736 WindowsServices.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
Client.exeWindowsServices.exedescription pid process target process PID 1436 wrote to memory of 2736 1436 Client.exe WindowsServices.exe PID 1436 wrote to memory of 2736 1436 Client.exe WindowsServices.exe PID 1436 wrote to memory of 2736 1436 Client.exe WindowsServices.exe PID 2736 wrote to memory of 2852 2736 WindowsServices.exe netsh.exe PID 2736 wrote to memory of 2852 2736 WindowsServices.exe netsh.exe PID 2736 wrote to memory of 2852 2736 WindowsServices.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Client.exe"C:\Users\Admin\AppData\Local\Temp\Client.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1436 -
C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe"C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe" "WindowsServices.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:2852
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3772,i,14486271492189381216,15799931579469722648,262144 --variations-seed-version --mojo-platform-channel-handle=4116 /prefetch:81⤵PID:888
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4128,i,14486271492189381216,15799931579469722648,262144 --variations-seed-version --mojo-platform-channel-handle=3760 /prefetch:81⤵PID:2144
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
157KB
MD52560eaeea2f78be73934dff77dc21115
SHA147da9e0270fdd3c762dcb371614eaf4ff67add03
SHA256c5bbe1f75d15903b38f0c1e944b8205dcbbb8033206b22921ad90bc64b0699e6
SHA5125ac9af16716e2e9ffa1cec0f74f273468789caf157ddfe7cbf20e6efdf03ad5f0c86d46bf8944c15a79c8d890ec4f683a9c4758c44c3ce5a5f0d3915f9fe977c