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Analysis
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max time kernel
148s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
17/04/2024, 19:54
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe
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Size
80KB
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MD5
ca4e2eb1d7c206fb0ce025fa5ec7638c
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SHA1
e9e9f71c907559f4a04b59603823ec293d7a035c
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SHA256
85e1faa1d8dd2ab9f474eb70d52e8250b10a88411c7ad248723b0373bec07267
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SHA512
7149af60ee28f3a262a88a01afa44f3c339dd5a0bc227c7c989397a1746ef1d850064565d01679b3e783326ead2a9c9304038980a35f2a9c5c3018a1d564d0cf
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNqk:vCjsIOtEvwDpj5H9YvQd21
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x0009000000012247-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x0009000000012247-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2500 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2380 2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_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 2380 wrote to memory of 2500 2380 2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe 28 PID 2380 wrote to memory of 2500 2380 2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe 28 PID 2380 wrote to memory of 2500 2380 2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe 28 PID 2380 wrote to memory of 2500 2380 2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-17_ca4e2eb1d7c206fb0ce025fa5ec7638c_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2500
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
81KB
MD5a2d2e2270efd2690cc7d157700c07c9d
SHA1c9320c1d45c24cb0553e6d700d294ad7b54981e2
SHA2567a615c5b85a1e6f488782832bc5a7453254bb5c4e9c3b46a11b44f7668a2fd38
SHA5121c5185d6e5bf446de40100f40aee81300ed7a18850a9adfeb683a4a9021948f95b9af3fb70456638dc6de4ea0532f5401ba2f3cf2828ae1149ac6cccd96a9eb0