Analysis
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max time kernel
143s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29/01/2024, 02:32
Static task
static1
Behavioral task
behavioral1
Sample
e0e5403fe8f6a3e698bd63a370a35ec75e04d5e109c6e6c06f2782fb2f72d18e.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
e0e5403fe8f6a3e698bd63a370a35ec75e04d5e109c6e6c06f2782fb2f72d18e.exe
Resource
win10v2004-20231215-en
General
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Target
e0e5403fe8f6a3e698bd63a370a35ec75e04d5e109c6e6c06f2782fb2f72d18e.exe
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Size
196KB
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MD5
73ba3ecfbe869da09eec767a7e15268e
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SHA1
82839a326c8b840046256f782bb909c67686a902
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SHA256
e0e5403fe8f6a3e698bd63a370a35ec75e04d5e109c6e6c06f2782fb2f72d18e
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SHA512
5b52b80d2e8cbad43e0d365ab62edca1416c49a39fe2e68fa0facd7f4907791e427843bcf39e00d887a836f9881aac11a1fb866637925239bafcea735d179505
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SSDEEP
6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOH:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXy
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-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation e0e5403fe8f6a3e698bd63a370a35ec75e04d5e109c6e6c06f2782fb2f72d18e.exe -
Executes dropped EXE 1 IoCs
pid Process 1196 igkhost.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\Debug\igkhost.exe e0e5403fe8f6a3e698bd63a370a35ec75e04d5e109c6e6c06f2782fb2f72d18e.exe File created C:\Windows\Debug\igkhost.exe e0e5403fe8f6a3e698bd63a370a35ec75e04d5e109c6e6c06f2782fb2f72d18e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 igkhost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz igkhost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4000 e0e5403fe8f6a3e698bd63a370a35ec75e04d5e109c6e6c06f2782fb2f72d18e.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4000 wrote to memory of 4436 4000 e0e5403fe8f6a3e698bd63a370a35ec75e04d5e109c6e6c06f2782fb2f72d18e.exe 85 PID 4000 wrote to memory of 4436 4000 e0e5403fe8f6a3e698bd63a370a35ec75e04d5e109c6e6c06f2782fb2f72d18e.exe 85 PID 4000 wrote to memory of 4436 4000 e0e5403fe8f6a3e698bd63a370a35ec75e04d5e109c6e6c06f2782fb2f72d18e.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\e0e5403fe8f6a3e698bd63a370a35ec75e04d5e109c6e6c06f2782fb2f72d18e.exe"C:\Users\Admin\AppData\Local\Temp\e0e5403fe8f6a3e698bd63a370a35ec75e04d5e109c6e6c06f2782fb2f72d18e.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4000 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E0E540~1.EXE > nul2⤵PID:4436
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C:\Windows\Debug\igkhost.exeC:\Windows\Debug\igkhost.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:1196
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
196KB
MD524e37e344e6baf38d60b39d1fa13f3bb
SHA1098e7ef4b0ebeb2bcd7f37b34bc8e8e7a2372c69
SHA256cca3408c7b8e670dc3006da0b7642078407eec46b36fae14cf0c815fce23db43
SHA512775c50abc9792640003773d48091bf1281c37d0091a5a54edf9634ddeb21da7cc414d631ca225c04b5090b9503d6be75f0730394a0230d170283f36e827fea7b