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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
14/05/2024, 23:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-14_abd2b034d9f7a4776256b77e6a449aa4_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-14_abd2b034d9f7a4776256b77e6a449aa4_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-14_abd2b034d9f7a4776256b77e6a449aa4_cryptolocker.exe
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Size
30KB
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MD5
abd2b034d9f7a4776256b77e6a449aa4
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SHA1
d0c71375fcb0a96eb6ac71b3e388706a51a84570
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SHA256
708e38eccbd35305831f5cdb1eca8f5103f6423287b1cf203992ac31996ca4c0
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SHA512
aef2162afff3058c6858806b32f58a803793a396c75bb7852230ce124fd7f383ca1591b05b458e3168529a6d6cf366ad978e3c7e7f03c9009537aa298c1e824c
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SSDEEP
768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGbNAKSjNfF:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xw
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000a00000001226d-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000a00000001226d-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2572 hurok.exe -
Loads dropped DLL 1 IoCs
pid Process 1964 2024-05-14_abd2b034d9f7a4776256b77e6a449aa4_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 1964 2024-05-14_abd2b034d9f7a4776256b77e6a449aa4_cryptolocker.exe 2572 hurok.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1964 wrote to memory of 2572 1964 2024-05-14_abd2b034d9f7a4776256b77e6a449aa4_cryptolocker.exe 28 PID 1964 wrote to memory of 2572 1964 2024-05-14_abd2b034d9f7a4776256b77e6a449aa4_cryptolocker.exe 28 PID 1964 wrote to memory of 2572 1964 2024-05-14_abd2b034d9f7a4776256b77e6a449aa4_cryptolocker.exe 28 PID 1964 wrote to memory of 2572 1964 2024-05-14_abd2b034d9f7a4776256b77e6a449aa4_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-14_abd2b034d9f7a4776256b77e6a449aa4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-14_abd2b034d9f7a4776256b77e6a449aa4_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1964 -
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:2572
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
30KB
MD57ccf27244b9a4872f9e312364e122091
SHA1a751b3f556da402b97f4f9c9f95ffb169df10e66
SHA2568a49b711fe11dfc1d7dd514d796c4fec370b815f381297621797a67fb24efdc5
SHA5123301d5596858c9aaa996285244521844098349e6da04e47b960ef1aede6748f1eb316ff2823eaa668d91c522f1f6a543ee72549d93e77a725801b3d859d6bc5a