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Analysis
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max time kernel
133s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
16/03/2024, 12:38
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-16_869d44e2e607c166e74801e067756b18_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-16_869d44e2e607c166e74801e067756b18_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-16_869d44e2e607c166e74801e067756b18_cryptolocker.exe
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Size
47KB
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MD5
869d44e2e607c166e74801e067756b18
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SHA1
2e1e7a4b6afa3a8089b0c057a12c94e22a38e8dd
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SHA256
1f99645a6818bc435e3dc9113b6d8e6a8bccad5d5a32f819669db64c0f77b9c4
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SHA512
5d063bbdf298707776ab5b8b543a6b8fced355e8efb90688ff1e2ba3d14278a2986460dea14610612f413e4fe221347999cd536be59d708d19a428b54946cf12
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu556Blvj:X6QFElP6n+gJQMOtEvwDpjB0GIWSlvj
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x00050000000120fe-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x00050000000120fe-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2936 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2484 2024-03-16_869d44e2e607c166e74801e067756b18_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 2484 wrote to memory of 2936 2484 2024-03-16_869d44e2e607c166e74801e067756b18_cryptolocker.exe 28 PID 2484 wrote to memory of 2936 2484 2024-03-16_869d44e2e607c166e74801e067756b18_cryptolocker.exe 28 PID 2484 wrote to memory of 2936 2484 2024-03-16_869d44e2e607c166e74801e067756b18_cryptolocker.exe 28 PID 2484 wrote to memory of 2936 2484 2024-03-16_869d44e2e607c166e74801e067756b18_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-16_869d44e2e607c166e74801e067756b18_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-16_869d44e2e607c166e74801e067756b18_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2484 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2936
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
47KB
MD582b6ccd23658ca728dc6fc2c228ae734
SHA1b44101b62102b30eb11a5dba6dd5373fa4e6bcb3
SHA2563672b6847ba3434aa2242f59d4a93cf627926b51be30a7b386c7709225171758
SHA512a75dea7dffa14cd3adeefbd8dce36d46e793f4d4876ce5cd0b0f2a4b7c38aa48a3aca5e652c830a3dac3f5e0994961dc6464be14e19e822f3d31592a61a21db4