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Analysis
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max time kernel
139s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
15/08/2023, 18:01
Static task
static1
Behavioral task
behavioral1
Sample
ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe
-
Size
38KB
-
MD5
ff5fa0a822ee5e11053c126c17b34b09
-
SHA1
882d4d5d338565e09236d00f5a511c50fd10140b
-
SHA256
cfa7b11c2ed9066939d12ef8f3c0c139a5a8bfe868c20cd4af6e8257538b3d8b
-
SHA512
f15bf7027330d92c012ba907e4493e50eceac34ac040699263dc8db1cf2cb8434d9d87735487e40a5dbd15146ccf1d48b96ea66af9c91201d67b109ed9ae4f0d
-
SSDEEP
768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQLI3s1BHRVzDw:V6QFElP6n+gMQMOtEvwDpjeJQyszDw
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 4152 asih.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1528 wrote to memory of 4152 1528 ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe 80 PID 1528 wrote to memory of 4152 1528 ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe 80 PID 1528 wrote to memory of 4152 1528 ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe"C:\Users\Admin\AppData\Local\Temp\ff5fa0a822ee5e11053c126c17b34b09_cryptolocker_JC.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1528 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:4152
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
39KB
MD5c3d9777c7c5cbcc28ab0b0d722c22306
SHA13c753365407e9ab18d3c34d7143560e2a99a990e
SHA256781d0a119731596d7a4a5824368d8147d435e30360fc07f070ee7ed9181f531b
SHA51297750aeb163468a4690aa1a114307ccfe20a3aa21116db10102660fb43f7e5055accecad47fb7218d8943c526e97f4dc816267b694cea229d0eee6f8ebeb6dc8
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Filesize
39KB
MD5c3d9777c7c5cbcc28ab0b0d722c22306
SHA13c753365407e9ab18d3c34d7143560e2a99a990e
SHA256781d0a119731596d7a4a5824368d8147d435e30360fc07f070ee7ed9181f531b
SHA51297750aeb163468a4690aa1a114307ccfe20a3aa21116db10102660fb43f7e5055accecad47fb7218d8943c526e97f4dc816267b694cea229d0eee6f8ebeb6dc8
-
Filesize
39KB
MD5c3d9777c7c5cbcc28ab0b0d722c22306
SHA13c753365407e9ab18d3c34d7143560e2a99a990e
SHA256781d0a119731596d7a4a5824368d8147d435e30360fc07f070ee7ed9181f531b
SHA51297750aeb163468a4690aa1a114307ccfe20a3aa21116db10102660fb43f7e5055accecad47fb7218d8943c526e97f4dc816267b694cea229d0eee6f8ebeb6dc8