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Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
15/04/2024, 17:35
Static task
static1
Behavioral task
behavioral1
Sample
202404148eb46a8e460c55459c5af5f8933c2d5ecryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
202404148eb46a8e460c55459c5af5f8933c2d5ecryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
202404148eb46a8e460c55459c5af5f8933c2d5ecryptolocker.exe
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Size
100KB
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MD5
8eb46a8e460c55459c5af5f8933c2d5e
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SHA1
2addd9a3e8a0f33ce159bd46f9736772e8805e43
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SHA256
d51d45f5dd4e5288b88eadc399a0384ed35170b4aaefc74337a1769f49c2424f
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SHA512
9330f2180f56612aca4a2e64fdcbc04cbed059e2bb85d63c9509fcfd8553425c92d2d230b6aa2ef4f54f8619439a3b0f0a139facf13cdbbdedf43efd4c5b320b
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SSDEEP
1536:26QFElP6n+gBQMOtEvwDpjQGYQbN/PKwNCWwB:26a+2OtEvwDpjtzm
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-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation 202404148eb46a8e460c55459c5af5f8933c2d5ecryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 3320 asih.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 4976 wrote to memory of 3320 4976 202404148eb46a8e460c55459c5af5f8933c2d5ecryptolocker.exe 85 PID 4976 wrote to memory of 3320 4976 202404148eb46a8e460c55459c5af5f8933c2d5ecryptolocker.exe 85 PID 4976 wrote to memory of 3320 4976 202404148eb46a8e460c55459c5af5f8933c2d5ecryptolocker.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\202404148eb46a8e460c55459c5af5f8933c2d5ecryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\202404148eb46a8e460c55459c5af5f8933c2d5ecryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:3320
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
100KB
MD5bccbddea974f78a180b7af1192e270ab
SHA1ada9f334c72e74ffd926ea1d5e8dc739a87f7402
SHA256047093e1850d3042f8915c65e6da05fbc23cf071d7484eaee48ea3495d9584b8
SHA512f6af5bbef5b65df46ff0b73529071a800b0d461833625c3b0a2cd1ba553be1759cbecf755b611c94f8aab47c7b207e67dd4eaeac584132afffe4effae5fe68b4