Analysis
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max time kernel
137s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
01/02/2024, 22:29
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-01_e74702dcf0e1eaad306efe7fffe08ccb_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-01_e74702dcf0e1eaad306efe7fffe08ccb_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-01_e74702dcf0e1eaad306efe7fffe08ccb_cryptolocker.exe
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Size
36KB
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MD5
e74702dcf0e1eaad306efe7fffe08ccb
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SHA1
70fd7f543f64973fd38bce176f4ce6b08bb03573
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SHA256
f64f791bc818985e4bd084256dc57eaec55d78f549f0b4d0bc4079a6efe4379b
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SHA512
b9ae9ddc30229012a612c1bc8b063f0b4ab641a5a05880a17ba133d25677844cbdff2fef8d4a11da5b3170f0e136621cd9312f56ec12a710466cf6e89909f29c
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SSDEEP
768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3O3:bxNrC7kYo1Fxf3s06gY3
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x00080000000120f8-10.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2232 pissa.exe -
Loads dropped DLL 1 IoCs
pid Process 1796 2024-02-01_e74702dcf0e1eaad306efe7fffe08ccb_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 1796 wrote to memory of 2232 1796 2024-02-01_e74702dcf0e1eaad306efe7fffe08ccb_cryptolocker.exe 28 PID 1796 wrote to memory of 2232 1796 2024-02-01_e74702dcf0e1eaad306efe7fffe08ccb_cryptolocker.exe 28 PID 1796 wrote to memory of 2232 1796 2024-02-01_e74702dcf0e1eaad306efe7fffe08ccb_cryptolocker.exe 28 PID 1796 wrote to memory of 2232 1796 2024-02-01_e74702dcf0e1eaad306efe7fffe08ccb_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-01_e74702dcf0e1eaad306efe7fffe08ccb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-01_e74702dcf0e1eaad306efe7fffe08ccb_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1796 -
C:\Users\Admin\AppData\Local\Temp\pissa.exe"C:\Users\Admin\AppData\Local\Temp\pissa.exe"2⤵
- Executes dropped EXE
PID:2232
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
37KB
MD5912156013029612988adbf2d3e015703
SHA1ab4916d8d18d0bf1d6729b4242e4a77d91161b24
SHA256b924a6b5377fc577ead9737f36dc98920f85251ad955862c765329b379dfa4e4
SHA512b2779a5fc8c38bcdf8ded35db1c0342a02d4295a6df3d45ab65147da64ab394f27dd16dbd0dc1136cc70cf4d2b4b482d660887fca971bbb94302a02ee8c649d1