Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 01:42
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-22_4eec15728190beabf45d735a636104c0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-22_4eec15728190beabf45d735a636104c0_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-22_4eec15728190beabf45d735a636104c0_cryptolocker.exe
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Size
43KB
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MD5
4eec15728190beabf45d735a636104c0
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SHA1
d214b86d139c052681d689aef16c27f8c089ab94
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SHA256
168bbe9a6e9d5ae414e1e624588d9b8dd187f621719cc04729f457a219fdc571
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SHA512
7d33d394d41a8e049df3cf54e2563b8b0ea0e6f98f7a3f97b8ccb3ce59d680721d7133c6e314b547854003b7a4c650898628538fa8f723d681a24d1483321c5c
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SSDEEP
768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66TcjF:vj+jsMQMOtEvwDpj5HW5scx
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\misid.exe CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\misid.exe CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
Processes:
misid.exepid process 2056 misid.exe -
Loads dropped DLL 1 IoCs
Processes:
2024-05-22_4eec15728190beabf45d735a636104c0_cryptolocker.exepid process 2352 2024-05-22_4eec15728190beabf45d735a636104c0_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
Processes:
2024-05-22_4eec15728190beabf45d735a636104c0_cryptolocker.exedescription pid process target process PID 2352 wrote to memory of 2056 2352 2024-05-22_4eec15728190beabf45d735a636104c0_cryptolocker.exe misid.exe PID 2352 wrote to memory of 2056 2352 2024-05-22_4eec15728190beabf45d735a636104c0_cryptolocker.exe misid.exe PID 2352 wrote to memory of 2056 2352 2024-05-22_4eec15728190beabf45d735a636104c0_cryptolocker.exe misid.exe PID 2352 wrote to memory of 2056 2352 2024-05-22_4eec15728190beabf45d735a636104c0_cryptolocker.exe misid.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-22_4eec15728190beabf45d735a636104c0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-22_4eec15728190beabf45d735a636104c0_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2056
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
43KB
MD5e5b2cd00a8b835a55bb26cfd916efc59
SHA154e79ab99b986207dd83b7bd79a61e91fb8c127f
SHA25604757535fea08ff42deb4456fcfbafdcaf74020b144cf31e222bf4b9e9178b56
SHA51272bbd8dafa51307698aa0168d62a3ccaee5f9d9ffe48acad958d0aa7902fb08dbb224267671d2081295e49eb43603e22695778d98f65a8066781bf776500139c