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Analysis
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max time kernel
146s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
30/12/2023, 10:31
Static task
static1
Behavioral task
behavioral1
Sample
15fbf5fdc84909bfea6495abb30e5360.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
15fbf5fdc84909bfea6495abb30e5360.exe
Resource
win10v2004-20231215-en
General
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Target
15fbf5fdc84909bfea6495abb30e5360.exe
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Size
72KB
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MD5
15fbf5fdc84909bfea6495abb30e5360
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SHA1
987997c6298da0aced4d8b4d0e2082bc53f0b247
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SHA256
ead8892397e732edf6b364b618ba25bebf92be7fc0f6239137a2b975291e777b
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SHA512
126e344262f164048a1fdcc67a9d6f945f68fe4e64ca64cf1e3b5ffc35de0041336c90da4da67d5dc7e98d091e5eb34c21b0e8596cdf3f4cc0bca10434ba3cfe
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SSDEEP
1536:+sCUYxgU6kl+0sTSVYSN/4/xEKb6JVoNHIU9P6Es2:+kYxgU6kl+0sTSVYw/4/xEKb6JVoNHIM
Malware Config
Signatures
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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-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation 15fbf5fdc84909bfea6495abb30e5360.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 15fbf5fdc84909bfea6495abb30e5360.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 15fbf5fdc84909bfea6495abb30e5360.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 3804 tasklist.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3804 tasklist.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1380 15fbf5fdc84909bfea6495abb30e5360.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1380 wrote to memory of 4376 1380 15fbf5fdc84909bfea6495abb30e5360.exe 28 PID 1380 wrote to memory of 4376 1380 15fbf5fdc84909bfea6495abb30e5360.exe 28 PID 1380 wrote to memory of 4376 1380 15fbf5fdc84909bfea6495abb30e5360.exe 28 PID 4376 wrote to memory of 3804 4376 cmd.exe 30 PID 4376 wrote to memory of 3804 4376 cmd.exe 30 PID 4376 wrote to memory of 3804 4376 cmd.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\15fbf5fdc84909bfea6495abb30e5360.exe"C:\Users\Admin\AppData\Local\Temp\15fbf5fdc84909bfea6495abb30e5360.exe"1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c tasklist&&del 15fbf5fdc84909bfea6495abb30e5360.e2⤵
- Suspicious use of WriteProcessMemory
PID:4376 -
C:\Windows\SysWOW64\tasklist.exetasklist3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:3804
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