Analysis
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max time kernel
276s -
max time network
289s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 18:55
Static task
static1
Behavioral task
behavioral1
Sample
6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe
Resource
win10v2004-20221111-en
General
-
Target
6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe
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Size
68KB
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MD5
1ddadc8836c58e6cf1e0520d01cae656
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SHA1
b4a51e1f8dd03bf4309e6982de7bc2d3ac1a32c9
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SHA256
6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456
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SHA512
656034a1280f3788a52ffd6bc7d110e7ad4241dcf18eaacdf50ff47e30cc0187a0c75741fdc5beef17b07a15cfb9ae7b1c4a64877521702ed0ea5bde35e1f6b4
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SSDEEP
1536:OjcznvDjY/u7RLw5gbNsGKRlCY19TO21EUghNHzrztTZd4e:OjIvDjnxrno0Y1I21EUq/B1
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 4 IoCs
Processes:
6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\Microsoft-Driver-1-82-8475-5627-5645\winrsvn.exe = "C:\\Users\\Admin\\Microsoft-Driver-1-82-8475-5627-5645\\winrsvn.exe:*:Enabled:Microsoft(R) Update Service" 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe -
Executes dropped EXE 1 IoCs
Processes:
winrsvn.exepid process 1756 winrsvn.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft(R) Update Service = "C:\\Users\\Admin\\Microsoft-Driver-1-82-8475-5627-5645\\winrsvn.exe" 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exedescription pid process target process PID 4596 set thread context of 4724 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3080 1756 WerFault.exe winrsvn.exe -
Modifies registry class 1 IoCs
Processes:
6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exedescription pid process Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: 33 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe Token: SeIncBasePriorityPrivilege 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exewinrsvn.exedescription pid process target process PID 4596 wrote to memory of 4724 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe PID 4596 wrote to memory of 4724 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe PID 4596 wrote to memory of 4724 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe PID 4596 wrote to memory of 4724 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe PID 4596 wrote to memory of 4724 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe PID 4596 wrote to memory of 4724 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe PID 4596 wrote to memory of 4724 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe PID 4596 wrote to memory of 4724 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe PID 4596 wrote to memory of 4724 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe PID 4596 wrote to memory of 4724 4596 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe PID 4724 wrote to memory of 1756 4724 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe winrsvn.exe PID 4724 wrote to memory of 1756 4724 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe winrsvn.exe PID 4724 wrote to memory of 1756 4724 6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe winrsvn.exe PID 1756 wrote to memory of 1332 1756 winrsvn.exe winrsvn.exe PID 1756 wrote to memory of 1332 1756 winrsvn.exe winrsvn.exe PID 1756 wrote to memory of 1332 1756 winrsvn.exe winrsvn.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe"C:\Users\Admin\AppData\Local\Temp\6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4596 -
C:\Users\Admin\AppData\Local\Temp\6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exeC:\Users\Admin\AppData\Local\Temp\6fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456.exe2⤵
- Modifies firewall policy service
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4724 -
C:\Users\Admin\Microsoft-Driver-1-82-8475-5627-5645\winrsvn.exe"C:\Users\Admin\Microsoft-Driver-1-82-8475-5627-5645\winrsvn.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Users\Admin\Microsoft-Driver-1-82-8475-5627-5645\winrsvn.exeC:\Users\Admin\Microsoft-Driver-1-82-8475-5627-5645\winrsvn.exe4⤵PID:1332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1756 -s 2884⤵
- Program crash
PID:3080
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1756 -ip 17561⤵PID:2108
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
68KB
MD51ddadc8836c58e6cf1e0520d01cae656
SHA1b4a51e1f8dd03bf4309e6982de7bc2d3ac1a32c9
SHA2566fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456
SHA512656034a1280f3788a52ffd6bc7d110e7ad4241dcf18eaacdf50ff47e30cc0187a0c75741fdc5beef17b07a15cfb9ae7b1c4a64877521702ed0ea5bde35e1f6b4
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Filesize
68KB
MD51ddadc8836c58e6cf1e0520d01cae656
SHA1b4a51e1f8dd03bf4309e6982de7bc2d3ac1a32c9
SHA2566fdf1fe343cf7d18b43ea736ce78f63283ff53913dfff32c07b6806c456fc456
SHA512656034a1280f3788a52ffd6bc7d110e7ad4241dcf18eaacdf50ff47e30cc0187a0c75741fdc5beef17b07a15cfb9ae7b1c4a64877521702ed0ea5bde35e1f6b4