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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
28/01/2024, 04:39
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe
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Size
73KB
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MD5
7cc2a6cc196845b4f477f4aedb0f0d3e
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SHA1
a5dee724b28a7b18f23a20bdc218ae3e44b3971a
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SHA256
43397bb4076e8a5d28d9abd4002f5fd364d1aedd7891e4083a85d85eacb2565e
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SHA512
e0eb932878400d5c8abec671d4b78b847b0d8d7a90c48c84757e8b7529267a05f83a3e08b3ca351622616a11a8fbd6198b6928c187d8515b780a41f97544f230
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SSDEEP
1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KQ:ZVxkGOtEvwDpjcaH
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000a000000013a1a-21.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 3008 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2816 2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_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 2816 wrote to memory of 3008 2816 2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe 19 PID 2816 wrote to memory of 3008 2816 2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe 19 PID 2816 wrote to memory of 3008 2816 2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe 19 PID 2816 wrote to memory of 3008 2816 2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe 19
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-28_7cc2a6cc196845b4f477f4aedb0f0d3e_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:3008
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
74KB
MD55b3eb1f64f4a739e187418fe06358c18
SHA1cf5bafa053ffa2265278721fc276d668a4a24df4
SHA2564f83cf82dd4e26329a649457ba1afe069fcb90729801c23f8377d4ef990cb476
SHA512114935d1af117e82ae98cd663d244b9ca7d2a9969539ec4a04d58a53b60875c08cef70f9615e6ebc743471d76e3668c2e7afb7ced786b0a4564c8642962998f9