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Analysis
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max time kernel
148s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240319-en -
resource tags
arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system -
submitted
29/03/2024, 07:52
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-29_911d1da623b309284744f61c0cd32dd0_cryptolocker.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
2024-03-29_911d1da623b309284744f61c0cd32dd0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-29_911d1da623b309284744f61c0cd32dd0_cryptolocker.exe
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Size
50KB
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MD5
911d1da623b309284744f61c0cd32dd0
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SHA1
f6a0f1136cf8eaf5f4a61cced165d056f84eb06e
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SHA256
ca23dc265745a24a04818ea399d8370de141cbecea4e890fe3c9c7af94c47e1f
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SHA512
31e2a29de880e6c7d686990d885a50f4fa8600e0be811951b7f0fdd949b8b231492390b9e8db394e0ad2d0fc170b26778a87db26a893cfb7b96007d342650b48
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CSO/G:bgGYcA/53GAA6y37Q6dI+d5GG
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000600000001208c-10.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 1864 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 2884 2024-03-29_911d1da623b309284744f61c0cd32dd0_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 2884 wrote to memory of 1864 2884 2024-03-29_911d1da623b309284744f61c0cd32dd0_cryptolocker.exe 28 PID 2884 wrote to memory of 1864 2884 2024-03-29_911d1da623b309284744f61c0cd32dd0_cryptolocker.exe 28 PID 2884 wrote to memory of 1864 2884 2024-03-29_911d1da623b309284744f61c0cd32dd0_cryptolocker.exe 28 PID 2884 wrote to memory of 1864 2884 2024-03-29_911d1da623b309284744f61c0cd32dd0_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-29_911d1da623b309284744f61c0cd32dd0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-29_911d1da623b309284744f61c0cd32dd0_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
PID:1864
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
50KB
MD55cf505422d8c922d060bb2c5baf692e7
SHA178012634ad50fa3600bc4ac9e4fb1ca13b0fd97f
SHA256fcf5245846cf65b09ff6ec4e4eaf4a573210a942c577f34077c55ab53bbaac45
SHA512deaca76b94c08364e0d5042ea4d0d6c2a57ce5b2f9ab0da7ef511f09b70e4546acefdca0a1175d9d9843dbe57c04482d4b108a6444668b3da7b9168ac2bb5916