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Analysis
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max time kernel
95s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
14/07/2024, 20:29
Behavioral task
behavioral1
Sample
1703e2a6825e290c8da584c71e86cc60N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
1703e2a6825e290c8da584c71e86cc60N.exe
Resource
win10v2004-20240709-en
General
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Target
1703e2a6825e290c8da584c71e86cc60N.exe
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Size
135KB
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MD5
1703e2a6825e290c8da584c71e86cc60
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SHA1
feafc890dff86816443abdf9dfa0b3a51f55b956
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SHA256
ee9dd70687ef98791daf0e7a06c437b373aa8589716dea602a5636cbeefe0b82
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SHA512
f1a8080e2b91cf297cd67e1ac6000372d8b4c0d889a6230e378b6eea084bda3132043e8afd45dc4a040af9bf1fcbdcae60b74bd9b883d94d8c838ecbb6c95f4d
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SSDEEP
1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOz:YfU/WF6QMauSuiWNi9eNOl0007NZIOz
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-1-5-21-2650514177-1034912467-4025611726-1000\Control Panel\International\Geo\Nation 1703e2a6825e290c8da584c71e86cc60N.exe -
Executes dropped EXE 1 IoCs
pid Process 956 wuauclt.exe -
resource yara_rule behavioral2/memory/2972-0-0x00000000006C0000-0x00000000006E8000-memory.dmp upx behavioral2/files/0x000800000002344a-3.dat upx behavioral2/memory/956-5-0x0000000000E40000-0x0000000000E68000-memory.dmp upx behavioral2/memory/2972-6-0x00000000006C0000-0x00000000006E8000-memory.dmp upx behavioral2/memory/956-7-0x0000000000E40000-0x0000000000E68000-memory.dmp upx behavioral2/memory/2972-8-0x00000000006C0000-0x00000000006E8000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run" 1703e2a6825e290c8da584c71e86cc60N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2972 wrote to memory of 956 2972 1703e2a6825e290c8da584c71e86cc60N.exe 84 PID 2972 wrote to memory of 956 2972 1703e2a6825e290c8da584c71e86cc60N.exe 84 PID 2972 wrote to memory of 956 2972 1703e2a6825e290c8da584c71e86cc60N.exe 84 PID 2972 wrote to memory of 1608 2972 1703e2a6825e290c8da584c71e86cc60N.exe 89 PID 2972 wrote to memory of 1608 2972 1703e2a6825e290c8da584c71e86cc60N.exe 89 PID 2972 wrote to memory of 1608 2972 1703e2a6825e290c8da584c71e86cc60N.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\1703e2a6825e290c8da584c71e86cc60N.exe"C:\Users\Admin\AppData\Local\Temp\1703e2a6825e290c8da584c71e86cc60N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\ProgramData\Update\wuauclt.exe"C:\ProgramData\Update\wuauclt.exe" /run2⤵
- Executes dropped EXE
PID:956
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C:\windows\SysWOW64\cmd.exe"C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\1703e2a6825e290c8da584c71e86cc60N.exe" >> NUL2⤵PID:1608
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
135KB
MD5c2f50705bdede8cf671f2f64c900a25f
SHA165a2571fc8e97780ee6c3479a88cfa0268f2af25
SHA2567f3ba9018e6903dafb1a4ea4dbcd348ab48bd69f61adc55d7bd138028b021be0
SHA51264c5f413981afcc34669fef7f2ecd19862bc39d63b7e02fa60a1a0b2d7dee3e0e859b6c84686df4081eb250307c6f2c5a9996f19c945e555e64cf4531f402bc3