Analysis
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max time kernel
121s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25-01-2024 15:44
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2024-01-25_98ac9246a982148d52291b142854a349_cryptolocker.exe
Resource
win7-20231215-en
windows7-x64
3 signatures
150 seconds
General
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Target
2024-01-25_98ac9246a982148d52291b142854a349_cryptolocker.exe
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Size
64KB
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MD5
98ac9246a982148d52291b142854a349
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SHA1
fd8977e44531962b457590a737c68361bb5bda99
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SHA256
9dd7f8c80bf06fd0b84c00759049dce8b201517920a219e227b0cd11f727e6a2
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SHA512
50e3f5267544a44a780493a0e5f922762dff477606cf691ad063fdce728849b2f319398ad7eb8551306106683ac35bca2152bc9e39c343d3ebbbda84c85b885b
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SSDEEP
384:x0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26a3WmdRYp055TOtOOtEvwDpjqIGR5d:xQz7yVEhs9+4jR1bytOOtEvwDpjW
Score
9/10
Malware Config
Signatures
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Detects executables built or packed with MPress PE compressor 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2644-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2476 2644 WerFault.exe 2024-01-25_98ac9246a982148d52291b142854a349_cryptolocker.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-01-25_98ac9246a982148d52291b142854a349_cryptolocker.exedescription pid process target process PID 2644 wrote to memory of 2476 2644 2024-01-25_98ac9246a982148d52291b142854a349_cryptolocker.exe WerFault.exe PID 2644 wrote to memory of 2476 2644 2024-01-25_98ac9246a982148d52291b142854a349_cryptolocker.exe WerFault.exe PID 2644 wrote to memory of 2476 2644 2024-01-25_98ac9246a982148d52291b142854a349_cryptolocker.exe WerFault.exe PID 2644 wrote to memory of 2476 2644 2024-01-25_98ac9246a982148d52291b142854a349_cryptolocker.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-25_98ac9246a982148d52291b142854a349_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_98ac9246a982148d52291b142854a349_cryptolocker.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2644 -s 362⤵
- Program crash
PID:2476
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/2644-0-0x0000000000500000-0x0000000000510000-memory.dmpFilesize
64KB