Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 22:36
Behavioral task
behavioral1
Sample
407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe
Resource
win10v2004-20220414-en
General
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Target
407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe
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Size
230KB
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MD5
6c38259b5ece98e227e7d5cd396fa3d0
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SHA1
c9a1fd4d5551494daa416bdeeb9117b49c89092f
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SHA256
407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf
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SHA512
82212ebcef256a93f7b16af9d0513d9fb3c26825682792e4e35e5bff7a5c8e0e90bd95f5a471aeb55b6df0e39c66b06b7c3f54efe372483d885c4a2d2d02afc6
Malware Config
Extracted
njrat
im523
xuycocu
xatabomsha1470.ddns.net:4646
8b43d0ebdf1194096535a79e32c6e582
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reg_key
8b43d0ebdf1194096535a79e32c6e582
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splitter
|'|'|
Signatures
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Executes dropped EXE 1 IoCs
Processes:
svhosts.exepid process 3508 svhosts.exe -
Modifies Windows Firewall 1 TTPs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe -
Drops startup file 2 IoCs
Processes:
svhosts.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8b43d0ebdf1194096535a79e32c6e582.exe svhosts.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8b43d0ebdf1194096535a79e32c6e582.exe svhosts.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
svhosts.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8b43d0ebdf1194096535a79e32c6e582 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhosts.exe\" .." svhosts.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\8b43d0ebdf1194096535a79e32c6e582 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhosts.exe\" .." svhosts.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
svhosts.exepid process 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe 3508 svhosts.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
svhosts.exepid process 3508 svhosts.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
Processes:
svhosts.exedescription pid process Token: SeDebugPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe Token: 33 3508 svhosts.exe Token: SeIncBasePriorityPrivilege 3508 svhosts.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exesvhosts.exedescription pid process target process PID 1792 wrote to memory of 3508 1792 407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe svhosts.exe PID 1792 wrote to memory of 3508 1792 407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe svhosts.exe PID 1792 wrote to memory of 3508 1792 407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe svhosts.exe PID 3508 wrote to memory of 2020 3508 svhosts.exe netsh.exe PID 3508 wrote to memory of 2020 3508 svhosts.exe netsh.exe PID 3508 wrote to memory of 2020 3508 svhosts.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe"C:\Users\Admin\AppData\Local\Temp\407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\svhosts.exe"C:\Users\Admin\AppData\Local\Temp\svhosts.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svhosts.exe" "svhosts.exe" ENABLE3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\svhosts.exeFilesize
230KB
MD56c38259b5ece98e227e7d5cd396fa3d0
SHA1c9a1fd4d5551494daa416bdeeb9117b49c89092f
SHA256407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf
SHA51282212ebcef256a93f7b16af9d0513d9fb3c26825682792e4e35e5bff7a5c8e0e90bd95f5a471aeb55b6df0e39c66b06b7c3f54efe372483d885c4a2d2d02afc6
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C:\Users\Admin\AppData\Local\Temp\svhosts.exeFilesize
230KB
MD56c38259b5ece98e227e7d5cd396fa3d0
SHA1c9a1fd4d5551494daa416bdeeb9117b49c89092f
SHA256407db91b4d0b0fb62de83a36f32641a7dd99517e09bce67794b472a930c760cf
SHA51282212ebcef256a93f7b16af9d0513d9fb3c26825682792e4e35e5bff7a5c8e0e90bd95f5a471aeb55b6df0e39c66b06b7c3f54efe372483d885c4a2d2d02afc6
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memory/1792-130-0x0000000074660000-0x0000000074C11000-memory.dmpFilesize
5.7MB
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memory/2020-135-0x0000000000000000-mapping.dmp
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memory/3508-131-0x0000000000000000-mapping.dmp
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memory/3508-134-0x0000000074660000-0x0000000074C11000-memory.dmpFilesize
5.7MB