Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 19:03
Static task
static1
Behavioral task
behavioral1
Sample
20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exe
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Size
64KB
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MD5
dd46f1ef2a469ebedc8ba365559a1bd3
-
SHA1
44cff1885b3f35d860fd4f375985aff62001e454
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SHA256
dbdc62e79a3a5a061739573a18819f09efe55484773aee884feb8349b83c4b9a
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SHA512
aa79e513e29f1f0cb3e2aa801a7353f7305d6f7999d3c25788f07952e3517ac394fcdd06a91c9ce33066b58758fb502cd66e24347c759b2569697e38140a3e00
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsiv:BbdDmjr+OtEvwDpjM8a
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
asih.exepid process 1984 asih.exe -
Loads dropped DLL 1 IoCs
Processes:
20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exepid process 1008 20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exe -
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
Processes:
20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exedescription pid process target process PID 1008 wrote to memory of 1984 1008 20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exe asih.exe PID 1008 wrote to memory of 1984 1008 20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exe asih.exe PID 1008 wrote to memory of 1984 1008 20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exe asih.exe PID 1008 wrote to memory of 1984 1008 20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exe asih.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1008 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:1984
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
64KB
MD5776dcb057f3ea35e896334ea35ccc4f4
SHA1541e8b75be706562b3e7eea435943edcbc249492
SHA25654f4bcef1f2b25cad1818280a13c95547a29397cc1a3000f93785badad922ebf
SHA512d21953409161d8074c58dd5e0f4da45ab0a8a3dbfc75313549dad4a8172a4cee881a9236bc5d40c9f766f0bddcf7f59e40458c1cfa6b0d708302febf6b38194f