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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
13/05/2024, 21:32
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-13_9348cf024e679e7095562bebf4e829a8_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-13_9348cf024e679e7095562bebf4e829a8_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-13_9348cf024e679e7095562bebf4e829a8_cryptolocker.exe
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Size
96KB
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MD5
9348cf024e679e7095562bebf4e829a8
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SHA1
a83a748003a3e7f17c5464b97d1fa1d35d0c0159
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SHA256
106340db2b8be18918b522dc409597088c5e242fe42687a949bf3cc2c946dae1
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SHA512
b3a450efd0d2820d9421c6a788fae7e32cd8f30561a6d33051b680b0acce2097a06941898ad0e903c0f322d96c0ebb4c970014eee98479e48e1e1a5a638e79d1
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SSDEEP
1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMgm:V6a+pOtEvwDpjtzi
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000a000000012286-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000a000000012286-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 1636 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1732 2024-05-13_9348cf024e679e7095562bebf4e829a8_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 1732 wrote to memory of 1636 1732 2024-05-13_9348cf024e679e7095562bebf4e829a8_cryptolocker.exe 28 PID 1732 wrote to memory of 1636 1732 2024-05-13_9348cf024e679e7095562bebf4e829a8_cryptolocker.exe 28 PID 1732 wrote to memory of 1636 1732 2024-05-13_9348cf024e679e7095562bebf4e829a8_cryptolocker.exe 28 PID 1732 wrote to memory of 1636 1732 2024-05-13_9348cf024e679e7095562bebf4e829a8_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-13_9348cf024e679e7095562bebf4e829a8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-13_9348cf024e679e7095562bebf4e829a8_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1732 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:1636
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
96KB
MD5809a00a5d663e0dfbbc6fd7310861a2b
SHA1813c4cdda07b100f1756d13a1d47279af782d4eb
SHA256a050993b62bff05dc1ca444894f3dd062b0c84789055f34241aa30ebc60c25f2
SHA5125533473a216ebab8751d2c6acfec13ec6ba790b9724e184a8ce9a13991faa1aa6e35246bcfc22c9bdf3567c1dc341ca879e61e7dab7392dd59a81e02a40992c3