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Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
01/02/2024, 23:47
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-01_fed7f2b6574e976f0014cc2cd57ea1e2_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-01_fed7f2b6574e976f0014cc2cd57ea1e2_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-01_fed7f2b6574e976f0014cc2cd57ea1e2_cryptolocker.exe
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Size
37KB
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MD5
fed7f2b6574e976f0014cc2cd57ea1e2
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SHA1
54c47f63e6b8313d92f132307e8c4d1421273126
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SHA256
e21a615cd5bbe78cba2e661162c9cb9a448ad5d9060bc57b318ecd7d04bdf1e8
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SHA512
56754f889f45b0ab9007fe7d98f166bc3810dca89e7782a01b4a75c641821dba70fba40a6503bd3e905528cb3ab01960784bbeab779523fdc83aea555ae45be7
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCpUD:X6QFElP6n+gJQMOtEvwDpjBmzDUpg
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000d000000012251-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000d000000012251-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2708 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2008 2024-02-01_fed7f2b6574e976f0014cc2cd57ea1e2_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 2008 wrote to memory of 2708 2008 2024-02-01_fed7f2b6574e976f0014cc2cd57ea1e2_cryptolocker.exe 28 PID 2008 wrote to memory of 2708 2008 2024-02-01_fed7f2b6574e976f0014cc2cd57ea1e2_cryptolocker.exe 28 PID 2008 wrote to memory of 2708 2008 2024-02-01_fed7f2b6574e976f0014cc2cd57ea1e2_cryptolocker.exe 28 PID 2008 wrote to memory of 2708 2008 2024-02-01_fed7f2b6574e976f0014cc2cd57ea1e2_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-01_fed7f2b6574e976f0014cc2cd57ea1e2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-01_fed7f2b6574e976f0014cc2cd57ea1e2_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2708
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
38KB
MD5660e77fb5c975ff4d15fcbf11f29b16c
SHA16e0df95d07b0a967d16210253e5d3bd0f176b2f8
SHA256fa683aa1c3ad81f2c812756ca7cac4771b3b89cb655403f0b968f9d7b14e5eff
SHA5120254ff92eceddb8815a914d2d8b78f2968b0c3ba27ab0c121c8f6b33cf5ac88edee738150cfcc92533c5bbe1a20a4b58cd35575688186f548ccbce2005cb8316