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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
13/06/2024, 09:26
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-13_fd8deddbba1138bd5963e065caf047db_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-13_fd8deddbba1138bd5963e065caf047db_cryptolocker.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-13_fd8deddbba1138bd5963e065caf047db_cryptolocker.exe
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Size
37KB
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MD5
fd8deddbba1138bd5963e065caf047db
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SHA1
52460f91cfac860116f029fc14aee52bd23bd7a2
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SHA256
d78c6d19e43eec8b3224395acd13372231bb09dd52e54d28a8e9f02cb625e836
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SHA512
956a84875fcaffc5ebed6553490733bedf0f2562ad6331166f29475fa7bd9b886c948c329f76efe45669960c8eb3ec5e1aa0312e08dd5cbd751d46f025e2cfe4
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SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkLbM:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLg
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral1/memory/2168-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000b000000014454-11.dat CryptoLocker_rule2 behavioral1/memory/2168-13-0x0000000002740000-0x000000000274B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2168-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral1/memory/2168-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000b000000014454-11.dat CryptoLocker_set1 behavioral1/memory/2168-13-0x0000000002740000-0x000000000274B000-memory.dmp CryptoLocker_set1 behavioral1/memory/2168-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2604 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2168 2024-06-13_fd8deddbba1138bd5963e065caf047db_cryptolocker.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
description pid Process procid_target PID 2168 wrote to memory of 2604 2168 2024-06-13_fd8deddbba1138bd5963e065caf047db_cryptolocker.exe 28 PID 2168 wrote to memory of 2604 2168 2024-06-13_fd8deddbba1138bd5963e065caf047db_cryptolocker.exe 28 PID 2168 wrote to memory of 2604 2168 2024-06-13_fd8deddbba1138bd5963e065caf047db_cryptolocker.exe 28 PID 2168 wrote to memory of 2604 2168 2024-06-13_fd8deddbba1138bd5963e065caf047db_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-13_fd8deddbba1138bd5963e065caf047db_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_fd8deddbba1138bd5963e065caf047db_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2604
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
37KB
MD5a985f7949d6896ef6430aae0a322bbec
SHA14408c122d9a59a57daee806dc9339003628234f1
SHA256a90ac6e390824648b3903bcf297063aea89450c970c1c8d0306b8b4a89cb4e0a
SHA5120ef88096d4014e89466a901b6db9b859f483c834abd8ffe11a9fc4b6af2563dbdf1b742da4a5a079f40a7b551ee38fe85de75f826ea86c6a91f2efc281db4889