Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
19/04/2024, 20:14
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe
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Size
52KB
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MD5
9d79195021b752b8cd79d8681c2a8d98
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SHA1
3189e9a69e8846c9e1cbeee742b3ceff926df0d6
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SHA256
16284873b23e2e8f30b1b849341c64780a96ceb7a5d9a27d93547366baa18605
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SHA512
b9bcd4d415bebb5c954e147f4875e4a0b7d90264df1a683c4b09fc3c9f608f52af8c9a0800c866691c9afc621e3526982c74ec97b082b6672c226ead667c73a5
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CS4Gjhh:bgGYcA/53GAA6y37Q6dI+d5QGT
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000c00000001224f-10.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 1748 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 2056 2024-04-19_9d79195021b752b8cd79d8681c2a8d98_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 2056 wrote to memory of 1748 2056 2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe 28 PID 2056 wrote to memory of 1748 2056 2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe 28 PID 2056 wrote to memory of 1748 2056 2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe 28 PID 2056 wrote to memory of 1748 2056 2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-19_9d79195021b752b8cd79d8681c2a8d98_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
PID:1748
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
52KB
MD583c2e85f55ab87125854de7bdb42eb6a
SHA14133da4ea63ad51dd723e0798bd19ae37c3ee55e
SHA256e704abe05343417d2ee02e70de35e4eb7d996ec48942c0c91ec88ae050a4b609
SHA5124ee6698477cd95be60becde242edc71736b523a12cda1b459910c1b5ecd339b8e175cfb8aff6b83497b844d93b7ad59c4b60c68cc2f95346d2e6ab6309d64ee6