Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
16/07/2023, 07:20
Behavioral task
behavioral1
Sample
325aa1e85840cd_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
325aa1e85840cd_JC.exe
Resource
win10v2004-20230703-en
General
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Target
325aa1e85840cd_JC.exe
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Size
42KB
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MD5
325aa1e85840cd90bd1b6a04908d0883
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SHA1
f43701b6e93ab688ae4e90e33c812deb7338c28d
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SHA256
b202b5abdb827120765f57521dcf851875fd31911830cb7b3811a35bf443c5b9
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SHA512
57e6c50ec09be6573cda207306bc50d1eb42e8d53566d5f469a792dfcaee13b8704af37d6449fe8bacc63e7cc5ff18a987d757290184beabdace48e5a55bff95
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5aFr7YOzzOM+O90NWer0:qUmnpomddpMOtEvwDpjjaYaFAvCuWS0
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-1-5-21-4176143399-3250363947-192774652-1000\Control Panel\International\Geo\Nation 325aa1e85840cd_JC.exe -
Executes dropped EXE 1 IoCs
pid Process 1192 asih.exe -
resource yara_rule behavioral2/memory/628-133-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/files/0x00090000000231cd-146.dat upx behavioral2/files/0x00090000000231cd-148.dat upx behavioral2/memory/628-150-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/files/0x00090000000231cd-149.dat upx behavioral2/memory/1192-159-0x0000000000500000-0x000000000050F000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 628 wrote to memory of 1192 628 325aa1e85840cd_JC.exe 84 PID 628 wrote to memory of 1192 628 325aa1e85840cd_JC.exe 84 PID 628 wrote to memory of 1192 628 325aa1e85840cd_JC.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\325aa1e85840cd_JC.exe"C:\Users\Admin\AppData\Local\Temp\325aa1e85840cd_JC.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:628 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:1192
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
43KB
MD576dcab24a586ebcbd58cb1f94bae315c
SHA19637e57e335751bc19912afd2ccd281eaf3f64a4
SHA256ce7d4bbba965b7bb7718078194666748fd561440265dd4f94122aa291adf4d4c
SHA512b55a1c5e9e91f133ea4606bf9b28997539adcb563db56e459cbb368ba2b728b2694816757e277235884f57e613165f79da10f86b08a9a7d5b0257d5931c61181
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Filesize
43KB
MD576dcab24a586ebcbd58cb1f94bae315c
SHA19637e57e335751bc19912afd2ccd281eaf3f64a4
SHA256ce7d4bbba965b7bb7718078194666748fd561440265dd4f94122aa291adf4d4c
SHA512b55a1c5e9e91f133ea4606bf9b28997539adcb563db56e459cbb368ba2b728b2694816757e277235884f57e613165f79da10f86b08a9a7d5b0257d5931c61181
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Filesize
43KB
MD576dcab24a586ebcbd58cb1f94bae315c
SHA19637e57e335751bc19912afd2ccd281eaf3f64a4
SHA256ce7d4bbba965b7bb7718078194666748fd561440265dd4f94122aa291adf4d4c
SHA512b55a1c5e9e91f133ea4606bf9b28997539adcb563db56e459cbb368ba2b728b2694816757e277235884f57e613165f79da10f86b08a9a7d5b0257d5931c61181