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Analysis
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max time kernel
154s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2023, 01:38
Static task
static1
Behavioral task
behavioral1
Sample
8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe
Resource
win10v2004-20230915-en
General
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Target
8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe
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Size
198KB
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MD5
84d7a0535f63934a74bb793ebe1360c3
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SHA1
a4a55f4a4355120e562da1043a688ed851d4bf8c
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SHA256
8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa
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SHA512
5f1e8be51c4761733add5b22923311c14e8e75e3b64abe7b4bd84b3ec38f62b9ee51e829e55d340ab90d81f7cb4ac36e07cda90408e84fbf0863fc635be4dfc5
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SSDEEP
6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOU:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXh
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-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation 8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe -
Executes dropped EXE 1 IoCs
pid Process 2664 bqchost.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Debug\bqchost.exe 8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe File opened for modification C:\Windows\Debug\bqchost.exe 8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.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 bqchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz bqchost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4524 8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4524 wrote to memory of 2320 4524 8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe 91 PID 4524 wrote to memory of 2320 4524 8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe 91 PID 4524 wrote to memory of 2320 4524 8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe"C:\Users\Admin\AppData\Local\Temp\8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4524 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\8FDFD3~1.EXE > nul2⤵PID:2320
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C:\Windows\Debug\bqchost.exeC:\Windows\Debug\bqchost.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2664
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
198KB
MD553c75c3700f70871ab29365f22278765
SHA1da0296b6829f2065901803714b09f1b015e2c7f3
SHA256932f9d31381181683033f0c90520413ae9033deb2ae0e740f29fce178d561097
SHA512a17e3319436e758c8c511fe5d6ceb1cb64d9bb7c5aa6f2af9d9e3bc97906b22f2bfb15ce29bf3f7d70f3bebaa8f25d9d6b0cdfcbc3892205cf036d9c0a6ebfd2
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Filesize
198KB
MD553c75c3700f70871ab29365f22278765
SHA1da0296b6829f2065901803714b09f1b015e2c7f3
SHA256932f9d31381181683033f0c90520413ae9033deb2ae0e740f29fce178d561097
SHA512a17e3319436e758c8c511fe5d6ceb1cb64d9bb7c5aa6f2af9d9e3bc97906b22f2bfb15ce29bf3f7d70f3bebaa8f25d9d6b0cdfcbc3892205cf036d9c0a6ebfd2