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Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
27/03/2024, 20:30
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe
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Size
37KB
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MD5
3ea8d5157d16a31fbf966c4995e761f0
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SHA1
781a20f13f131b92c6841b7e7bce04c97add17e4
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SHA256
7ed9e880a1b6b26d9efba4e147e1bfda710cf4ddba54763dd38e58a887116d27
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SHA512
65906cb866bc61a96974d27e6673fb6c894aafea45809afe8eee8d19a7e3deaa16c2cf4e00ccdaaa1a8e530faa708cd074f6948d1baf43198e208dd011562ad4
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SSDEEP
768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenUf:ZzFbxmLPWQMOtEvwDpjLe6
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000c0000000122ac-11.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 1316 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2956 2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_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 2956 wrote to memory of 1316 2956 2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe 28 PID 2956 wrote to memory of 1316 2956 2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe 28 PID 2956 wrote to memory of 1316 2956 2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe 28 PID 2956 wrote to memory of 1316 2956 2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-27_3ea8d5157d16a31fbf966c4995e761f0_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:1316
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
37KB
MD510d183b414a372ed90dbf4fa2d466bf7
SHA1bc2336db489f846496d8959c2c0a805bf9e686b7
SHA2562a973767172be11c7e4b1e06b4921738e25f38f6640350b437ca1d5827988ba8
SHA512ad3765312ff0638dd9806b96867f126d8cf7483cb1a895a106099b5e46b53ee116f3d5d3e2fb52aa9450ff41c5ed17fc76fcf2a6c5ff15d5aae7d425d27340e3