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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
10/06/2024, 21:37
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-10_acc8e1d2dd158a4262ba11210430edc5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-10_acc8e1d2dd158a4262ba11210430edc5_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-10_acc8e1d2dd158a4262ba11210430edc5_cryptolocker.exe
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Size
48KB
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MD5
acc8e1d2dd158a4262ba11210430edc5
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SHA1
32e80ab88004d0249f25b5706e7fe51ddba80f39
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SHA256
976af9f46666ae98e7ea97348331b738ab0add0a114a3104b0c28ea958a13bd6
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SHA512
6fa94c5e82333e19d701aee17aae96d7f19967a5f532477e524247f23685df2b5ded006afbec376a217b9c6dbf8d87d8c775e116a84e2099bb7d3b5d252a368d
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SSDEEP
768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkclV:P6Q0ElP6G+gJQMOtEvwDpjB8WMlflV
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/3000-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000c000000012671-11.dat CryptoLocker_rule2 behavioral1/memory/3000-15-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/3012-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/3012-26-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/3000-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000c000000012671-11.dat CryptoLocker_set1 behavioral1/memory/3000-15-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/3012-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/3012-26-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 3012 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 3000 2024-06-10_acc8e1d2dd158a4262ba11210430edc5_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 3000 wrote to memory of 3012 3000 2024-06-10_acc8e1d2dd158a4262ba11210430edc5_cryptolocker.exe 28 PID 3000 wrote to memory of 3012 3000 2024-06-10_acc8e1d2dd158a4262ba11210430edc5_cryptolocker.exe 28 PID 3000 wrote to memory of 3012 3000 2024-06-10_acc8e1d2dd158a4262ba11210430edc5_cryptolocker.exe 28 PID 3000 wrote to memory of 3012 3000 2024-06-10_acc8e1d2dd158a4262ba11210430edc5_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-10_acc8e1d2dd158a4262ba11210430edc5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-10_acc8e1d2dd158a4262ba11210430edc5_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:3012
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD5d50d20487f1dcc20f78c3972dec66415
SHA1265d5d3c82125cf0a27b0e0210af5eefb1d68cca
SHA2560ef80dffbd24ae0815cc8c779528fe9ff0a74b7389fec0696959848a7a10c7f0
SHA51247792b0be0846a8c47bec915ae232bfd85faa54c9a8e56677011cc268a5922772d9f5492a69d38c76b3ed467bc888736acf54f98247b7fe0c9b1661eb90fd29d