Analysis
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max time kernel
147s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
15/06/2024, 14:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-15_400132f8ccef304b6407fa14fa965f8d_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-15_400132f8ccef304b6407fa14fa965f8d_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-15_400132f8ccef304b6407fa14fa965f8d_cryptolocker.exe
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Size
45KB
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MD5
400132f8ccef304b6407fa14fa965f8d
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SHA1
ab97294a985d66b159671dfc94fc95f75f9204fe
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SHA256
62345061d194d3388837fd559a06d93bbe6e3c4097b2d615c8980869d4c3b583
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SHA512
faf6d80c268491b04825bcf68b109232d108d5dcfe88796e10e8459d289db97d0b0e0aaf1802cd84166e6944c66aef3c6b7d2a193feb535852e29b5f8bb6f078
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SSDEEP
768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkHl:P6Q0ElP6G+gJQMOtEvwDpjB8WMlsl
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/1252-1-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000a000000012280-11.dat CryptoLocker_rule2 behavioral1/memory/1252-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/1252-13-0x00000000005F0000-0x00000000005FB000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2140-26-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/1252-1-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000a000000012280-11.dat CryptoLocker_set1 behavioral1/memory/1252-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/1252-13-0x00000000005F0000-0x00000000005FB000-memory.dmp CryptoLocker_set1 behavioral1/memory/2140-26-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2140 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1252 2024-06-15_400132f8ccef304b6407fa14fa965f8d_cryptolocker.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1252 wrote to memory of 2140 1252 2024-06-15_400132f8ccef304b6407fa14fa965f8d_cryptolocker.exe 28 PID 1252 wrote to memory of 2140 1252 2024-06-15_400132f8ccef304b6407fa14fa965f8d_cryptolocker.exe 28 PID 1252 wrote to memory of 2140 1252 2024-06-15_400132f8ccef304b6407fa14fa965f8d_cryptolocker.exe 28 PID 1252 wrote to memory of 2140 1252 2024-06-15_400132f8ccef304b6407fa14fa965f8d_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-15_400132f8ccef304b6407fa14fa965f8d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-15_400132f8ccef304b6407fa14fa965f8d_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1252 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2140
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
46KB
MD50259379f3e77d00c4baaca05a27cc885
SHA12b073456797ff4543426764cc656f0afa405b796
SHA256102e75477069526fb356c6ea4421ec9957c912e3811fc4978467e7bd3550385d
SHA51291c7e36820ee12061c4e7241d75da681b1b620ef8f38b5db8849a8f3ab5b64926ad259353ee3e44354d9882ec01263721350f10dbd1a72acd72e6679d9a9d302