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Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
03/08/2023, 15:30
Behavioral task
behavioral1
Sample
49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe
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Size
97KB
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MD5
49bcb0b66f700cad28bcc7a1c9ad6df9
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SHA1
10c191f385d97b6a19894302bb83c998a35c20db
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SHA256
7a116d72e74bbde4801ef840acd0c0ce02e0e08d8010cb189b24518b6df2c2c2
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SHA512
cba19d8e6e54da51bfcbc7716b605d58555ff04d7796bc9468295ed240f91e2c950c4606fb77e384b343d156f23e897c69445d9c5ceaeaa95426756d0b7a5aee
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpQbCJjMcd:AnBdOOtEvwDpj6zU
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2308 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2216 49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe -
resource yara_rule behavioral1/memory/2216-54-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral1/files/0x0008000000012029-65.dat upx behavioral1/memory/2216-69-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral1/files/0x0008000000012029-70.dat upx behavioral1/files/0x0008000000012029-79.dat upx behavioral1/memory/2308-80-0x0000000000500000-0x000000000050F000-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 4 IoCs
description pid Process procid_target PID 2216 wrote to memory of 2308 2216 49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe 28 PID 2216 wrote to memory of 2308 2216 49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe 28 PID 2216 wrote to memory of 2308 2216 49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe 28 PID 2216 wrote to memory of 2308 2216 49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe"C:\Users\Admin\AppData\Local\Temp\49bcb0b66f700cad28bcc7a1c9ad6df9_cryptolocker_JC.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2308
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
98KB
MD5fe060b329f83e705ef5db303d7d911a9
SHA1a40c2c2d19fe94f6ab516fea5b12a543e4338389
SHA256ea596aef02f58f0b5f6881ffc99e0d0baa84e4f1748581303357d80ced3da504
SHA51204639d36cc79c98de0bfb906f37b05401217b9741ea07d1e24be8160b2add5551df6334816373d95ae133b9fd04762519af010c24c557029a17341aaebf50bca
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Filesize
98KB
MD5fe060b329f83e705ef5db303d7d911a9
SHA1a40c2c2d19fe94f6ab516fea5b12a543e4338389
SHA256ea596aef02f58f0b5f6881ffc99e0d0baa84e4f1748581303357d80ced3da504
SHA51204639d36cc79c98de0bfb906f37b05401217b9741ea07d1e24be8160b2add5551df6334816373d95ae133b9fd04762519af010c24c557029a17341aaebf50bca
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Filesize
98KB
MD5fe060b329f83e705ef5db303d7d911a9
SHA1a40c2c2d19fe94f6ab516fea5b12a543e4338389
SHA256ea596aef02f58f0b5f6881ffc99e0d0baa84e4f1748581303357d80ced3da504
SHA51204639d36cc79c98de0bfb906f37b05401217b9741ea07d1e24be8160b2add5551df6334816373d95ae133b9fd04762519af010c24c557029a17341aaebf50bca