Analysis
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max time kernel
106s -
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
19/11/2024, 11:54
Behavioral task
behavioral1
Sample
e7d3c9840cac2e00dde0bfc1f33fd0fa9d0ccdc96814b87702c1375bb6c7fc64N.exe
Resource
win7-20241010-en
General
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Target
e7d3c9840cac2e00dde0bfc1f33fd0fa9d0ccdc96814b87702c1375bb6c7fc64N.exe
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Size
91KB
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MD5
b866ba27b97328177c86875719ba8420
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SHA1
b506bf893c3c194f28c0df478fb8362104cc3a14
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SHA256
e7d3c9840cac2e00dde0bfc1f33fd0fa9d0ccdc96814b87702c1375bb6c7fc64
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SHA512
a8367150fcf7f254ab31784ca7841cdce1b50eaf1c76339d3536a12ab64036c937b0f9076fc26c18c17180b06a56170072683a56d11371e83154b46ce8c40c97
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SSDEEP
1536:f6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQATR:f6a+1SEOtEvwDpjYYvQd2Pt
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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation e7d3c9840cac2e00dde0bfc1f33fd0fa9d0ccdc96814b87702c1375bb6c7fc64N.exe -
Executes dropped EXE 1 IoCs
pid Process 4912 asih.exe -
resource yara_rule behavioral2/memory/1052-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x000d000000023b6e-13.dat upx behavioral2/memory/1052-17-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4912-26-0x0000000000500000-0x0000000000510000-memory.dmp upx -
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 asih.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e7d3c9840cac2e00dde0bfc1f33fd0fa9d0ccdc96814b87702c1375bb6c7fc64N.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1052 wrote to memory of 4912 1052 e7d3c9840cac2e00dde0bfc1f33fd0fa9d0ccdc96814b87702c1375bb6c7fc64N.exe 85 PID 1052 wrote to memory of 4912 1052 e7d3c9840cac2e00dde0bfc1f33fd0fa9d0ccdc96814b87702c1375bb6c7fc64N.exe 85 PID 1052 wrote to memory of 4912 1052 e7d3c9840cac2e00dde0bfc1f33fd0fa9d0ccdc96814b87702c1375bb6c7fc64N.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\e7d3c9840cac2e00dde0bfc1f33fd0fa9d0ccdc96814b87702c1375bb6c7fc64N.exe"C:\Users\Admin\AppData\Local\Temp\e7d3c9840cac2e00dde0bfc1f33fd0fa9d0ccdc96814b87702c1375bb6c7fc64N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4912
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
91KB
MD5db5c09b45199471e7cb59ee410a05647
SHA1ea9f6b2754562cf746da3d1467139b083d81b875
SHA2563493c0e4ec9a948ca9bd20bfae38906e4478965db41a77ee9df6faa5cf64e943
SHA512961daaaed9b757b1f15336f0a27afc2ebd5418f7628964ab14512d286f4f013b2692ed422038737a23dc5429f12a48a1aa6a6e9b401319d58915b0b2118bb41c