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Analysis
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max time kernel
145s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
14/06/2024, 07:38
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-14_469da5abf8ca7db67c4f3777c5538c3f_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-14_469da5abf8ca7db67c4f3777c5538c3f_cryptolocker.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-14_469da5abf8ca7db67c4f3777c5538c3f_cryptolocker.exe
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Size
43KB
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MD5
469da5abf8ca7db67c4f3777c5538c3f
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SHA1
9157fcf723e1f31633d5ffedb33408425ce3f80b
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SHA256
c3a5563c4ff6455c30d2fb42b3de6420128266a760a1719415e28886c9e72d4b
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SHA512
d7e836e7fdfdf0a3e41583f5c3bb1054aad618cfd9bf70a6efca29e8a14a57b5f9a94a9d5361e131c8d300101283adf34d3a1c5edb7a5bc1153a6400633c8059
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsZnTl:i5nkFGMOtEvwDpjR+viHsH
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
resource yara_rule behavioral1/memory/1632-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000a000000012280-11.dat CryptoLocker_rule2 behavioral1/memory/1632-12-0x0000000001E60000-0x0000000001E6F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2560-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/1632-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2560-28-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 3 IoCs
resource yara_rule behavioral1/memory/2560-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/1632-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2560-28-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 6 IoCs
resource yara_rule behavioral1/memory/1632-0-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000a000000012280-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/1632-12-0x0000000001E60000-0x0000000001E6F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2560-18-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/1632-17-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2560-28-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 2560 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1632 2024-06-14_469da5abf8ca7db67c4f3777c5538c3f_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 1632 wrote to memory of 2560 1632 2024-06-14_469da5abf8ca7db67c4f3777c5538c3f_cryptolocker.exe 28 PID 1632 wrote to memory of 2560 1632 2024-06-14_469da5abf8ca7db67c4f3777c5538c3f_cryptolocker.exe 28 PID 1632 wrote to memory of 2560 1632 2024-06-14_469da5abf8ca7db67c4f3777c5538c3f_cryptolocker.exe 28 PID 1632 wrote to memory of 2560 1632 2024-06-14_469da5abf8ca7db67c4f3777c5538c3f_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-14_469da5abf8ca7db67c4f3777c5538c3f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-14_469da5abf8ca7db67c4f3777c5538c3f_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2560
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD5a9add33f442c30bb9f6c9e20e1011a36
SHA178941c4976582fe2b976887d6d66def8f7fbb23f
SHA256fb13b8e3f752db77c037ae9447052317b6ce533b8f94027066b5ab94b872da42
SHA512776a8bca91af4a6c1a63680365a52aa4f7fabca448a4d6e365d664a13854e535e653fa4c3640de02bd18e018abe6f0b281d3066c2a5d8736227743b3ad47d6bc