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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
05/06/2024, 03:31
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-05_33ce0fb0947780f38a49ebb24fb6f1c5_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-05_33ce0fb0947780f38a49ebb24fb6f1c5_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-05_33ce0fb0947780f38a49ebb24fb6f1c5_cryptolocker.exe
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Size
91KB
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MD5
33ce0fb0947780f38a49ebb24fb6f1c5
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SHA1
ad9d69c7c5d26df5fae532b683ac5c369519d562
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SHA256
6e0e08f9b9f4f71918eecfda3a40c961044bea127beb56cdf7e039efe01eb9f3
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SHA512
51cdafceabed3b1df8f14539276b8fd6437eb88feb828f86bb29cdb8f389f215f977da8ec7c795309b86376588a491356b014edba243041795c0b9815eceebc1
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SSDEEP
1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQoVr:vCjsIOtEvwDpj5H8zPsO
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000a000000012280-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000a000000012280-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 3068 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2284 2024-06-05_33ce0fb0947780f38a49ebb24fb6f1c5_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 2284 wrote to memory of 3068 2284 2024-06-05_33ce0fb0947780f38a49ebb24fb6f1c5_cryptolocker.exe 28 PID 2284 wrote to memory of 3068 2284 2024-06-05_33ce0fb0947780f38a49ebb24fb6f1c5_cryptolocker.exe 28 PID 2284 wrote to memory of 3068 2284 2024-06-05_33ce0fb0947780f38a49ebb24fb6f1c5_cryptolocker.exe 28 PID 2284 wrote to memory of 3068 2284 2024-06-05_33ce0fb0947780f38a49ebb24fb6f1c5_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-05_33ce0fb0947780f38a49ebb24fb6f1c5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-05_33ce0fb0947780f38a49ebb24fb6f1c5_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2284 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:3068
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
91KB
MD5ec2338ff49c21f91225e170cba1d9c2e
SHA1c760da043cc7a27116416fdfde7b8b78c374b3a6
SHA256fe59aeb479db00e9e69033c7652da58997917b88ed2bf9494c311bfe2e7b8258
SHA512aecf40c6d4943817262a970d4f1bd77709f619d94969a7722aea9620b1fb79bcb3877dadecada9e6cbf26994f85fd82b45fc58462b212d20241faf51ceb60d62