Analysis
- max time kernel
92s - max time network
150s - platform
windows7_x64 - resource
win7-20240215-en - resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system - submitted
10/06/2024, 04:15
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2024-06-10_64d142935b6949513ca0b93a4b72cb06_cryptolocker.exe
Resource
win7-20240215-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2024-06-10_64d142935b6949513ca0b93a4b72cb06_cryptolocker.exe
Resource
win10v2004-20240508-en
6 signatures
150 seconds
General
- Target 2024-06-10_64d142935b6949513ca0b93a4b72cb06_cryptolocker.exe
- Size 57KB
- Sample240610-evfd9aca4z
- SHA256 570bd19b1d748548e731b0690591dc7c3837b013a71fbeff2b3e402c3bd25ece
- MD5 64d142935b6949513ca0b93a4b72cb06
- SHA1 7b71fcce202b764353f381afafc152d704051214
- SHA512 cf765ef5286ad9b42ee93bc8c3b9c43f82700567f27b91f96c82949223f14f05f7cab6403408f6e6732c5b938ca12faa11eb5b60ee6f9f16d0f9ea2836b36c33
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFv6dl4GD9:vj+jsMQMOtEvwDpj5HH1nw73KOFif
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000a000000015cbd-13.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000a000000015cbd-13.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 2368 misid.exe - Loads dropped DLL 1 IoCs
pid Process 1244 2024-06-10_64d142935b6949513ca0b93a4b72cb06_cryptolocker.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1244 wrote to memory of 2368 1244 2024-06-10_64d142935b6949513ca0b93a4b72cb06_cryptolocker.exe 28 PID 1244 wrote to memory of 2368 1244 2024-06-10_64d142935b6949513ca0b93a4b72cb06_cryptolocker.exe 28 PID 1244 wrote to memory of 2368 1244 2024-06-10_64d142935b6949513ca0b93a4b72cb06_cryptolocker.exe 28 PID 1244 wrote to memory of 2368 1244 2024-06-10_64d142935b6949513ca0b93a4b72cb06_cryptolocker.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-10_64d142935b6949513ca0b93a4b72cb06_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-10_64d142935b6949513ca0b93a4b72cb06_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2368
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 58KB
- SHA256 8fd86692a5eba96cc9cfcd9b74d368585f6ee7a64df342e09bf92fce99d39ea2
- MD5 aca75dba155d89691ca0997c744dbd7d
- SHA1 16d7bad69922b3953f53401cb9794b4a58bfd5c9
- SHA512 22989a7b0197bf36bcced488feb5ddf0d30262dad9c7ed84cb0b8eb18187c08998c54aea795da90845ec4d20519b3237c3a3c499709b703d7f4288168a3f9a8d
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFv6dl4GDt:vj+jsMQMOtEvwDpj5HH1nw73KOFi/
- MD5 SHA1 SHA512 SSDEEP