Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
20/04/2024, 22:15
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Client.exe
Resource
win7-20240220-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
Client.exe
Resource
win10v2004-20240412-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
Client.exe
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Size
158KB
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MD5
2542b37aa1a29b5ca79f99f2f9fc1a59
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SHA1
40898abce9550d84fe34175d93b54331b61fbdf0
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SHA256
e7af4e2096d986c73c043252e8161b7713ed1e18ff2cf84c3fce5d21d49e4a1e
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SHA512
af5bdc0b57b0a2cb3e148e6193546aaa7421b4aee15895b3fd9c478964c9edb790430ead03464bd6f63222d7094d97e5d14f601b7717b81d572d160eb0ea7da7
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SSDEEP
3072:zhTbZyCIvkAQP2Zqy+mJPaTHk5MgU1qK9PufhX1s7AD0T:zJbHP8qy+mJyTk5X4qKpurs72
Score
10/10
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1888 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation Client.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\041d1c2904e42f94808761832f91be34.exe WindowsServices.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\041d1c2904e42f94808761832f91be34.exe WindowsServices.exe -
Executes dropped EXE 1 IoCs
pid Process 2456 WindowsServices.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\041d1c2904e42f94808761832f91be34 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsServices.exe\" .." WindowsServices.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\041d1c2904e42f94808761832f91be34 = "\"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
pid Process 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe 2668 Client.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: SeDebugPrivilege 2668 Client.exe Token: SeDebugPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe Token: 33 2456 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2456 WindowsServices.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2668 wrote to memory of 2456 2668 Client.exe 93 PID 2668 wrote to memory of 2456 2668 Client.exe 93 PID 2668 wrote to memory of 2456 2668 Client.exe 93 PID 2456 wrote to memory of 1888 2456 WindowsServices.exe 96 PID 2456 wrote to memory of 1888 2456 WindowsServices.exe 96 PID 2456 wrote to memory of 1888 2456 WindowsServices.exe 96
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:2668 -
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:2456 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe" "WindowsServices.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:1888
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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
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
158KB
MD52542b37aa1a29b5ca79f99f2f9fc1a59
SHA140898abce9550d84fe34175d93b54331b61fbdf0
SHA256e7af4e2096d986c73c043252e8161b7713ed1e18ff2cf84c3fce5d21d49e4a1e
SHA512af5bdc0b57b0a2cb3e148e6193546aaa7421b4aee15895b3fd9c478964c9edb790430ead03464bd6f63222d7094d97e5d14f601b7717b81d572d160eb0ea7da7