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Analysis
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max time kernel
150s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
09/03/2024, 02:56
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-09_cd9f8bfab15163a4c4eca1648ec8e57a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-09_cd9f8bfab15163a4c4eca1648ec8e57a_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-09_cd9f8bfab15163a4c4eca1648ec8e57a_cryptolocker.exe
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Size
82KB
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MD5
cd9f8bfab15163a4c4eca1648ec8e57a
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SHA1
810cd02fc1084a6e2e1cf1c0fceb00561434529f
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SHA256
3351fbe40b2160621cd877f5bd1851fd298fa8dedb1e36354d42940d89d66d1d
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SHA512
0ae2595fa3f740c387146db83680ecb0d0b4e0ba3c144e848a020aae7fd3550fbd7e6af6b4860e65f1077dbc5041761a525ce1e3a39f965c22c7df67fadec000
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNB0K:vCjsIOtEvwDpj5H9YvQd2/
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000b000000012267-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000b000000012267-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2028 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2992 2024-03-09_cd9f8bfab15163a4c4eca1648ec8e57a_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 2992 wrote to memory of 2028 2992 2024-03-09_cd9f8bfab15163a4c4eca1648ec8e57a_cryptolocker.exe 28 PID 2992 wrote to memory of 2028 2992 2024-03-09_cd9f8bfab15163a4c4eca1648ec8e57a_cryptolocker.exe 28 PID 2992 wrote to memory of 2028 2992 2024-03-09_cd9f8bfab15163a4c4eca1648ec8e57a_cryptolocker.exe 28 PID 2992 wrote to memory of 2028 2992 2024-03-09_cd9f8bfab15163a4c4eca1648ec8e57a_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-09_cd9f8bfab15163a4c4eca1648ec8e57a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-09_cd9f8bfab15163a4c4eca1648ec8e57a_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2992 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2028
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
82KB
MD5f8a563d63bce615bb404a61bf1c45723
SHA1f12015442ed44b5602aeaa4089d124a62817845f
SHA256514a6b4357e99a7696388fe6e678412b57dc7233a358ca70a2b0cf250773b532
SHA5123b139802c32cc06b4270c86fc98b5f2cec3c9793605ab4f3d989cedaea9d8e35e380656cd34b9754217c75ff65d03193822d61c00d03bad26c98465d9f806d05