Analysis
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max time kernel
39s -
max time network
40s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
28-03-2024 15:06
Static task
static1
Behavioral task
behavioral1
Sample
215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
5e902a138174c34e5445685c82b2044e0b35565854471aaccef0315c77288dc9.exe
Resource
win7-20240220-en
Behavioral task
behavioral3
Sample
8d2f2ee24882afe11f50e3d6d9400e35fa66724b321cb9f5a246baf63cbc1788.exe
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9.exe
Resource
win7-20240215-en
Behavioral task
behavioral5
Sample
f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712.exe
Resource
win7-20240221-en
General
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Target
215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4.exe
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Size
32KB
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MD5
9de48e7cfc2bc56631387e527f859efd
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SHA1
959b863e84103132f89a10a7fd6981771881f763
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SHA256
215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4
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SHA512
0f899f44536b651b97204dd876013796c6835d0562d04c479ba3b73032ab15edc8307f9f2d96057a673a5f12be16e85a084dc73e6c76b73f8646e8f354bea2f7
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SSDEEP
768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGpNEmK/4BM:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xo
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
hurok.exepid process 2536 hurok.exe -
Loads dropped DLL 1 IoCs
Processes:
215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4.exepid process 1732 215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of UnmapMainImage 2 IoCs
Processes:
215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4.exehurok.exepid process 1732 215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4.exe 2536 hurok.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4.exedescription pid process target process PID 1732 wrote to memory of 2536 1732 215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4.exe hurok.exe PID 1732 wrote to memory of 2536 1732 215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4.exe hurok.exe PID 1732 wrote to memory of 2536 1732 215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4.exe hurok.exe PID 1732 wrote to memory of 2536 1732 215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4.exe hurok.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4.exe"C:\Users\Admin\AppData\Local\Temp\215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4.exe"1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:2536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
32KB
MD57aefacf13354c7ba4525a30125d097d1
SHA1bd8ad9a994d786d1c749f3f2dfff392d3662038f
SHA256b530b323999f9b3b6b6790a211324e1a4445a71208ce1dd2270d3516921cebde
SHA51249156757b728a76180a44115745949fed0cedbf09431389833d2d67d0ccebd2c46c51ceca4fa9840497bde0adfa0c8c75821b4ad3eae4e9d07bfb56192c8357b