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Analysis
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max time kernel
142s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
18/07/2023, 17:50
Behavioral task
behavioral1
Sample
cc615f4c4733bd_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
cc615f4c4733bd_JC.exe
Resource
win10v2004-20230703-en
General
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Target
cc615f4c4733bd_JC.exe
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Size
57KB
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MD5
cc615f4c4733bdc9f9e42f77510bb8b0
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SHA1
30264c55dd8988103352743ce775e4d28270b416
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SHA256
f8291aa7e13aa673885654fda200e589273e437f4e6b4066c146d4f291c6665a
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SHA512
28a19b466f007036f579af3d88b260d6c934fb9b9691aab4ad90e9f944744ea77b07a061a5d54e24517ab5821560380cc2bae8f1c56332225099881ac36aae6c
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTFH39:T6a+rdOOtEvwDpjNl
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-1-5-21-1498570331-2313266200-788959944-1000\Control Panel\International\Geo\Nation cc615f4c4733bd_JC.exe -
Executes dropped EXE 1 IoCs
pid Process 4276 asih.exe -
resource yara_rule behavioral2/memory/4080-133-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x000a000000022fc0-146.dat upx behavioral2/files/0x000a000000022fc0-148.dat upx behavioral2/files/0x000a000000022fc0-149.dat upx behavioral2/memory/4080-153-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4276-159-0x0000000000500000-0x0000000000510000-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 4080 wrote to memory of 4276 4080 cc615f4c4733bd_JC.exe 85 PID 4080 wrote to memory of 4276 4080 cc615f4c4733bd_JC.exe 85 PID 4080 wrote to memory of 4276 4080 cc615f4c4733bd_JC.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\cc615f4c4733bd_JC.exe"C:\Users\Admin\AppData\Local\Temp\cc615f4c4733bd_JC.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4080 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4276
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
57KB
MD51641858a5f22eba3cb74d83310ac4d8a
SHA13f43abbdb741fb608c0e0ec20582c12ca372f6f1
SHA256e12b7baac0706167531ccbee8556e586d467491e9b8738566c55491b77f6b9ac
SHA5128d4d7e462cebbac911ee3653727e4402ead1ecdb84227c3b57f447cdf6ef8167ed38e8415a25f286e1116dde66fedaa13dcc6a1ba2957ca61eee17a86b12a1c1
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Filesize
57KB
MD51641858a5f22eba3cb74d83310ac4d8a
SHA13f43abbdb741fb608c0e0ec20582c12ca372f6f1
SHA256e12b7baac0706167531ccbee8556e586d467491e9b8738566c55491b77f6b9ac
SHA5128d4d7e462cebbac911ee3653727e4402ead1ecdb84227c3b57f447cdf6ef8167ed38e8415a25f286e1116dde66fedaa13dcc6a1ba2957ca61eee17a86b12a1c1
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Filesize
57KB
MD51641858a5f22eba3cb74d83310ac4d8a
SHA13f43abbdb741fb608c0e0ec20582c12ca372f6f1
SHA256e12b7baac0706167531ccbee8556e586d467491e9b8738566c55491b77f6b9ac
SHA5128d4d7e462cebbac911ee3653727e4402ead1ecdb84227c3b57f447cdf6ef8167ed38e8415a25f286e1116dde66fedaa13dcc6a1ba2957ca61eee17a86b12a1c1