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Analysis
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max time kernel
138s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
22/12/2023, 14:45
Behavioral task
behavioral1
Sample
c9e58a3cd3be3b7c22c394397fb8ddf5.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
c9e58a3cd3be3b7c22c394397fb8ddf5.exe
Resource
win10v2004-20231215-en
General
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Target
c9e58a3cd3be3b7c22c394397fb8ddf5.exe
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Size
266KB
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MD5
c9e58a3cd3be3b7c22c394397fb8ddf5
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SHA1
d18db942a29d07de6cc9f81d82c8ca005cd1b666
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SHA256
143ad6fbaf1d251406d6cba0c283153aeded9bf6e7b1630cf586d67a2d8024ce
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SHA512
d3e7b41b46e3218a15b2f759c145cb7fe642deb8a15a07091ce2c41c79a3f1bd92128768c54b3be19837afe97fcff225c3d722b5f62c01c3ab834bf12562ed3e
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SSDEEP
6144:Mo9OTTGeWmJwk3uWelPptke3Z1ot3YTaAvJmzJF/KYe5h/YXiJAQ:Mo9l4uWeZV3U6eAhmVF/KFr/o2p
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2908 c9e58a3cd3be3b7c22c394397fb8ddf5.exe -
Executes dropped EXE 1 IoCs
pid Process 2908 c9e58a3cd3be3b7c22c394397fb8ddf5.exe -
Loads dropped DLL 1 IoCs
pid Process 2168 c9e58a3cd3be3b7c22c394397fb8ddf5.exe -
resource yara_rule behavioral1/memory/2168-0-0x0000000000400000-0x0000000000486000-memory.dmp upx behavioral1/files/0x000c0000000133b0-14.dat upx behavioral1/files/0x000c0000000133b0-11.dat upx -
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405\Blob = 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 c9e58a3cd3be3b7c22c394397fb8ddf5.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 c9e58a3cd3be3b7c22c394397fb8ddf5.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 c9e58a3cd3be3b7c22c394397fb8ddf5.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405 c9e58a3cd3be3b7c22c394397fb8ddf5.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2168 c9e58a3cd3be3b7c22c394397fb8ddf5.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2168 c9e58a3cd3be3b7c22c394397fb8ddf5.exe 2908 c9e58a3cd3be3b7c22c394397fb8ddf5.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2168 wrote to memory of 2908 2168 c9e58a3cd3be3b7c22c394397fb8ddf5.exe 18 PID 2168 wrote to memory of 2908 2168 c9e58a3cd3be3b7c22c394397fb8ddf5.exe 18 PID 2168 wrote to memory of 2908 2168 c9e58a3cd3be3b7c22c394397fb8ddf5.exe 18 PID 2168 wrote to memory of 2908 2168 c9e58a3cd3be3b7c22c394397fb8ddf5.exe 18
Processes
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C:\Users\Admin\AppData\Local\Temp\c9e58a3cd3be3b7c22c394397fb8ddf5.exe"C:\Users\Admin\AppData\Local\Temp\c9e58a3cd3be3b7c22c394397fb8ddf5.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Users\Admin\AppData\Local\Temp\c9e58a3cd3be3b7c22c394397fb8ddf5.exeC:\Users\Admin\AppData\Local\Temp\c9e58a3cd3be3b7c22c394397fb8ddf5.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies system certificate store
- Suspicious use of UnmapMainImage
PID:2908
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
131KB
MD52d3ee40ff4bb89dbe2eb22f1e4d70312
SHA1a46fd3b95d805314fb6ef4e7fd365e446bf0be4a
SHA256d18290ed7c8be3d511dff591c9f17eee1fa70fcfe792e83abc06b73c2b06567a
SHA512b03c183626b995cd448a592e1351df8e6d1530800a45e5b825b3a67e9ea4ca81772b1169e9b2c8569348e364df7edc024b60304af089c69069d3fa1e02bffa92
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Filesize
240KB
MD501ff8f26c31fb131f225b982f9136ea5
SHA166cd2f7162f94dbbab36df7acb636f4869471036
SHA2565db064e3db3e3ed9597dea9a9013374516e323a04478f0a5b26a50e6c738ee34
SHA512728ff55d92b487c2cc5b4ed3fcd5214cb0eed926273b805515c9063a0b5c71e919c526007e3b2aea4a62907e570e44e2377b0c4f01be8e3c5790fe1490f08cb0