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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
12/03/2024, 00:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe
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Size
48KB
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MD5
5119d5075e0f8b994b15bf32bf20e192
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SHA1
1f62c13f511220316fc058fbc4e1dc62f936b14e
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SHA256
7e8c82a2975e6278728cad7028b6f58cb56992d9783753a28221fa2d20781c16
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SHA512
3e96a2fbaa79528a2057490ba90e0c75b3a4d67914bcb52111b7bbd4087cd4291576a6ff7bff85d3c108a371c8a434e31c78d2bccec939ea0fbb8442125ae6b2
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SSDEEP
768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4UKn7yXYJmWO:bIDOw9a0DwitDTkO
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000c00000001225d-10.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2476 lossy.exe -
Loads dropped DLL 1 IoCs
pid Process 1728 2024-03-12_5119d5075e0f8b994b15bf32bf20e192_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 1728 wrote to memory of 2476 1728 2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe 29 PID 1728 wrote to memory of 2476 1728 2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe 29 PID 1728 wrote to memory of 2476 1728 2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe 29 PID 1728 wrote to memory of 2476 1728 2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-12_5119d5075e0f8b994b15bf32bf20e192_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
PID:2476
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD5e933bf314ae52c4b69eef12381f5ed91
SHA11268a13d7e3238d86283b0b7b3e877eb097027cd
SHA256b19b3a6a259b78dd05d7546dfa6bf3ff83c345cf27cd919d05adc686a50df44c
SHA5126b5b7ef16ada393f897785af9b25e866497db017ae38baa23dc9c6d05d4635af7fcc4ef8161a468389759abe79c906526be1352795a32d7b598481d08b663da6