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Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
30/04/2024, 21:40
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-30_9338866a5abf1bac0f418c7cfbfd138d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-30_9338866a5abf1bac0f418c7cfbfd138d_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_9338866a5abf1bac0f418c7cfbfd138d_cryptolocker.exe
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Size
47KB
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MD5
9338866a5abf1bac0f418c7cfbfd138d
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SHA1
34257fdfbf65cfe0248a94546a26e5f27cce4503
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SHA256
6b0e83396edf768563123add65f902a594c6effac9696886159e400f2d0097d0
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SHA512
cd8cb45db71d9048eee397906641e8bca818e139f6bcbb9cae1310d04497694c05cdbc9f3e6d0469d67ed5da5b017aee670f8f12851fe0e2249dc9aa1616e4c4
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SSDEEP
768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/Dpkc+:P6Q0ElP6G+gJQMOtEvwDpjB8WMlf+
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/1996-1-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000d000000014708-11.dat CryptoLocker_rule2 behavioral1/memory/1836-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/1996-14-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral1/memory/1836-26-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/1996-1-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000d000000014708-11.dat CryptoLocker_set1 behavioral1/memory/1836-16-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/1996-14-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral1/memory/1836-26-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 1836 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1996 2024-04-30_9338866a5abf1bac0f418c7cfbfd138d_cryptolocker.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1996 wrote to memory of 1836 1996 2024-04-30_9338866a5abf1bac0f418c7cfbfd138d_cryptolocker.exe 28 PID 1996 wrote to memory of 1836 1996 2024-04-30_9338866a5abf1bac0f418c7cfbfd138d_cryptolocker.exe 28 PID 1996 wrote to memory of 1836 1996 2024-04-30_9338866a5abf1bac0f418c7cfbfd138d_cryptolocker.exe 28 PID 1996 wrote to memory of 1836 1996 2024-04-30_9338866a5abf1bac0f418c7cfbfd138d_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-30_9338866a5abf1bac0f418c7cfbfd138d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-30_9338866a5abf1bac0f418c7cfbfd138d_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:1836
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
47KB
MD526fa81f77052cc05a23f2730d2525d98
SHA185b94c25e56fbbed5b3c6fe03d3e06c379c922a5
SHA2560274e72cbd6df4eb5d55564f5a192409f40f452558cea89a691b1a2c485c1ac2
SHA512b0d7e052c274a2b8190671b4902a2f733310bcebc922bece2ee8626e84dfac08047575a08618e9ef09ab3a1346fe38ec2e240690013565a636cd5dfd3693d7b5