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Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
29/03/2024, 17:24
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-29_ea021802265f548e290568f8ddf46775_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-29_ea021802265f548e290568f8ddf46775_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-29_ea021802265f548e290568f8ddf46775_cryptolocker.exe
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Size
49KB
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MD5
ea021802265f548e290568f8ddf46775
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SHA1
ce6430e4c93a03989cce73f049741a52cf15dbd8
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SHA256
6552a0f56d3d7211563e77030738fa95e806522380c8f775fb345f943498fee0
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SHA512
8412d6d73c44fea75cfc5f26cfcb9ac0a11a8c1b8388ca771358e1c230b879eb9dd1b8810bfd751d448255d19516662f650f6ab2120261b74191f7fe52d11429
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPhqlcnvhx5/xFRkHx8:6j+1NMOtEvwDpjr8hhXiW
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
resource yara_rule behavioral1/memory/2212-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x0008000000012253-11.dat CryptoLocker_rule2 behavioral1/memory/2212-13-0x0000000001E60000-0x0000000001E6F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2212-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2988-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2988-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 6 IoCs
resource yara_rule behavioral1/memory/2212-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/files/0x0008000000012253-11.dat CryptoLocker_set1 behavioral1/memory/2212-13-0x0000000001E60000-0x0000000001E6F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2212-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2988-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2988-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 6 IoCs
resource yara_rule behavioral1/memory/2212-0-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x0008000000012253-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/2212-13-0x0000000001E60000-0x0000000001E6F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2212-16-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2988-17-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2988-27-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 2988 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2212 2024-03-29_ea021802265f548e290568f8ddf46775_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 2212 wrote to memory of 2988 2212 2024-03-29_ea021802265f548e290568f8ddf46775_cryptolocker.exe 28 PID 2212 wrote to memory of 2988 2212 2024-03-29_ea021802265f548e290568f8ddf46775_cryptolocker.exe 28 PID 2212 wrote to memory of 2988 2212 2024-03-29_ea021802265f548e290568f8ddf46775_cryptolocker.exe 28 PID 2212 wrote to memory of 2988 2212 2024-03-29_ea021802265f548e290568f8ddf46775_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-29_ea021802265f548e290568f8ddf46775_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-29_ea021802265f548e290568f8ddf46775_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2988
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
50KB
MD55d6d6b728109e24576c53f184613533c
SHA1e48c95da7e094ef4e7d1c892bcd300d5bd6b4ce8
SHA2563f189713eb9ed14149b8e1fda87ee0d654885aeac5f5f29190a673e1a7b78818
SHA512f9404a6f8d727b8d73f0c8c0f199fab5c82236755b9e1dd011cc2ad12108cb86236ff502dbae43daa0cc3bf8c433678e82103636f2e094db76d2e3c5792d7d1b