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Analysis
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max time kernel
141s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
23/04/2024, 03:36
Static task
static1
Behavioral task
behavioral1
Sample
c3c988ffa24e26dfd207a3380f109684bbcd122947226c3bbf3c09fd96fa236d.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c3c988ffa24e26dfd207a3380f109684bbcd122947226c3bbf3c09fd96fa236d.exe
Resource
win10v2004-20240412-en
General
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Target
c3c988ffa24e26dfd207a3380f109684bbcd122947226c3bbf3c09fd96fa236d.exe
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Size
56KB
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MD5
4440eed36cb99f5529238ec67e1e58ae
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SHA1
bdf33a7db224ac839e11058ed631e49969e92c1e
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SHA256
c3c988ffa24e26dfd207a3380f109684bbcd122947226c3bbf3c09fd96fa236d
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SHA512
b2d62d799145ad9159285458399a6786d9901fcc7a74fdedd91ec1ade10247f3b56f4b09716368083e01256233c104d9c07398f2e57dd65f2739ee44bc923c08
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SSDEEP
768:/mnVAp7lyHeUueqkpI8dBwNQnxxy+CVr/FC0uVexxhU98eF:enVA9k+leqkpI8dBwCy+er/F5Hi9X
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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation c3c988ffa24e26dfd207a3380f109684bbcd122947226c3bbf3c09fd96fa236d.exe -
Executes dropped EXE 1 IoCs
pid Process 1492 codecupdate.exe -
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 4800 wrote to memory of 1492 4800 c3c988ffa24e26dfd207a3380f109684bbcd122947226c3bbf3c09fd96fa236d.exe 85 PID 4800 wrote to memory of 1492 4800 c3c988ffa24e26dfd207a3380f109684bbcd122947226c3bbf3c09fd96fa236d.exe 85 PID 4800 wrote to memory of 1492 4800 c3c988ffa24e26dfd207a3380f109684bbcd122947226c3bbf3c09fd96fa236d.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\c3c988ffa24e26dfd207a3380f109684bbcd122947226c3bbf3c09fd96fa236d.exe"C:\Users\Admin\AppData\Local\Temp\c3c988ffa24e26dfd207a3380f109684bbcd122947226c3bbf3c09fd96fa236d.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4800 -
C:\Users\Admin\AppData\Local\Temp\codecupdate.exe"C:\Users\Admin\AppData\Local\Temp\codecupdate.exe"2⤵
- Executes dropped EXE
PID:1492
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
56KB
MD5ff62fb8d0785c1459c275faa5f8d260b
SHA1564e08a024147dfa0d190c444a489376d7ca55e9
SHA256e8de83cca4cdfb4a847bccf0384494dacd013a34f1c11a36309864450541d3d5
SHA5127eb229c83e96146ca196cdc3617a75a19c84a581e6afc2c86c46f8215ced0470a46c74da684d05cf4f224de286a64db635ac799e4802ee8050d1aac84a8b8241