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Analysis
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max time kernel
150s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
09/05/2024, 20:24
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-09_3042696e30608a27beae9522dea2a2b6_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-09_3042696e30608a27beae9522dea2a2b6_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-09_3042696e30608a27beae9522dea2a2b6_cryptolocker.exe
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Size
68KB
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MD5
3042696e30608a27beae9522dea2a2b6
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SHA1
302071c513bf13d71a834c43b42a13720bcc8257
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SHA256
ec556b654a240b7b256cb9a8ae785963fd232e18e6c48e896272984eca847d4f
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SHA512
75c368ecc0344840272a7fd759f730d18cef3295fa1cb789e979158e272b73aed6a5a8a11c9484980200b4c3c774f597209db700ca6510c123796744a30c6b9f
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SSDEEP
1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLEZ:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7h
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000d00000001226b-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000d00000001226b-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2816 hurok.exe -
Loads dropped DLL 1 IoCs
pid Process 3048 2024-05-09_3042696e30608a27beae9522dea2a2b6_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of UnmapMainImage 2 IoCs
pid Process 3048 2024-05-09_3042696e30608a27beae9522dea2a2b6_cryptolocker.exe 2816 hurok.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3048 wrote to memory of 2816 3048 2024-05-09_3042696e30608a27beae9522dea2a2b6_cryptolocker.exe 28 PID 3048 wrote to memory of 2816 3048 2024-05-09_3042696e30608a27beae9522dea2a2b6_cryptolocker.exe 28 PID 3048 wrote to memory of 2816 3048 2024-05-09_3042696e30608a27beae9522dea2a2b6_cryptolocker.exe 28 PID 3048 wrote to memory of 2816 3048 2024-05-09_3042696e30608a27beae9522dea2a2b6_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-09_3042696e30608a27beae9522dea2a2b6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-09_3042696e30608a27beae9522dea2a2b6_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:2816
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
68KB
MD55d0bcb4e844cb46ba469ce074ced48c9
SHA19b77646caaefc4c983621e95c1382020e05a8f32
SHA256464a1b783d6c73ae57f0a21b2b697b66ac97b0fe93d3003e1764fe32b6018e74
SHA5127bfb185c4ca59e05190336cac00711c06c66ce92d7309e6302e9be20728e8e3a5be3d7faafb55ee6607411d7924b3856926df8650c5a253d091eb76a68d52c7d