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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
04/05/2024, 19:34
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-04_6a32f77042d924e9b87a558f8a3e9d52_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-04_6a32f77042d924e9b87a558f8a3e9d52_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-04_6a32f77042d924e9b87a558f8a3e9d52_cryptolocker.exe
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Size
95KB
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MD5
6a32f77042d924e9b87a558f8a3e9d52
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SHA1
dc4b2ea5577560c9a6f33b397c6eeedf758e83ac
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SHA256
52ef5fa70ac130b8f07121fbfa649d3c65498eb63d6533012f5aeb99af55ee19
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SHA512
6487ac5602f11e566d2c65c8e5259b92b0473db1d01515210c14ce38de27ac6755f46aebd7aeb4cb82a475544b95eb2fbdf959e8fcf91f471abaf12bc551746e
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SSDEEP
1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMg9:V6a+pOtEvwDpjtzh
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000b000000015d0f-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000b000000015d0f-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2160 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1068 2024-05-04_6a32f77042d924e9b87a558f8a3e9d52_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 1068 wrote to memory of 2160 1068 2024-05-04_6a32f77042d924e9b87a558f8a3e9d52_cryptolocker.exe 28 PID 1068 wrote to memory of 2160 1068 2024-05-04_6a32f77042d924e9b87a558f8a3e9d52_cryptolocker.exe 28 PID 1068 wrote to memory of 2160 1068 2024-05-04_6a32f77042d924e9b87a558f8a3e9d52_cryptolocker.exe 28 PID 1068 wrote to memory of 2160 1068 2024-05-04_6a32f77042d924e9b87a558f8a3e9d52_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-04_6a32f77042d924e9b87a558f8a3e9d52_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-04_6a32f77042d924e9b87a558f8a3e9d52_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2160
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
95KB
MD591d384d7ae8ac2a5c26ed1eb86862f93
SHA1d89f30abd85a45c3a017562b0822f089f313f449
SHA2567c607a90bfe3ddf2d936f46963d46b6d13b8dd4dcc38d774ee9450b092419c5e
SHA512feacf0d57cc102ca2cfdceea97353d74bb14d5f86a3fc9949115fa09e4639ea579423862955e914129a4940253d4175a55c55db2071b26256d234f7e6c2f7f69