Analysis
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max time kernel
107s -
max time network
115s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/11/2024, 10:22
Static task
static1
Behavioral task
behavioral1
Sample
6c255b39502f22aa7f602eb55aebcc7c58d22133c3513885139d1eee90b09539N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6c255b39502f22aa7f602eb55aebcc7c58d22133c3513885139d1eee90b09539N.exe
Resource
win10v2004-20241007-en
General
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Target
6c255b39502f22aa7f602eb55aebcc7c58d22133c3513885139d1eee90b09539N.exe
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Size
63KB
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MD5
1144b488099f5728e958980bdf32d110
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SHA1
23a99e4fefec218706032701bae62189610aa1e9
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SHA256
6c255b39502f22aa7f602eb55aebcc7c58d22133c3513885139d1eee90b09539
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SHA512
2ba6d7a053eca716488b7fa0c403ea7749eefdacf898e65bb96667395bd25f13de8f708524d6e117688740da89f9d5a0e978c196847360bf94dc822179da171f
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SSDEEP
384:asjPGY2HXgrkEYYhQ98E8I1XAV/QcaYpATUgch1A9NB/erxFpkoF/To2:aePG5H8XhKD8ISZQjkgs1lxF9F71
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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 6c255b39502f22aa7f602eb55aebcc7c58d22133c3513885139d1eee90b09539N.exe -
Executes dropped EXE 1 IoCs
pid Process 4960 winupdate.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6c255b39502f22aa7f602eb55aebcc7c58d22133c3513885139d1eee90b09539N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdate.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5012 wrote to memory of 4960 5012 6c255b39502f22aa7f602eb55aebcc7c58d22133c3513885139d1eee90b09539N.exe 86 PID 5012 wrote to memory of 4960 5012 6c255b39502f22aa7f602eb55aebcc7c58d22133c3513885139d1eee90b09539N.exe 86 PID 5012 wrote to memory of 4960 5012 6c255b39502f22aa7f602eb55aebcc7c58d22133c3513885139d1eee90b09539N.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\6c255b39502f22aa7f602eb55aebcc7c58d22133c3513885139d1eee90b09539N.exe"C:\Users\Admin\AppData\Local\Temp\6c255b39502f22aa7f602eb55aebcc7c58d22133c3513885139d1eee90b09539N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5012 -
C:\Users\Admin\AppData\Local\Temp\winupdate.exe"C:\Users\Admin\AppData\Local\Temp\winupdate.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4960
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
63KB
MD59eb8fd51fa6e8032e1f7427ddb981136
SHA1ddfbd02005a43f743a5c9de05284844070582723
SHA25652ad728dfc70978b9edd159f6acecf8fa5c2f1897a2cd112e0b310b61c436196
SHA51205460c7af218767964946656c8cbcfe488883fe03509a7c0cb01f80bff75f816522c11c2e33500cbb5b9608f25cffb5eabc7237055f92c6a995ce370f9d205ce