Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
22/05/2024, 09:55
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
ee2da28704ab9ef00feeb8687f0a6254ebd21b472f572c607fe4cc500533e638.exe
Resource
win7-20240508-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
ee2da28704ab9ef00feeb8687f0a6254ebd21b472f572c607fe4cc500533e638.exe
Resource
win10v2004-20240508-en
6 signatures
150 seconds
General
- Target ee2da28704ab9ef00feeb8687f0a6254ebd21b472f572c607fe4cc500533e638.exe
- Size 59KB
- Sample240522-lxy3psbb47
- SHA256 ee2da28704ab9ef00feeb8687f0a6254ebd21b472f572c607fe4cc500533e638
- MD5 a702c2dd9643341b96690919dac8b25f
- SHA1 615ad205825edbc133432917368590d4f86ea73a
- SHA512 ffa60c79582c2f4e834f44a44f7edffeff6156f150c92f5a594debf5ad8596eaa3032cbabf913100bf8a39ebbbebf866b6fbb3dc14eba20b2d91878ed6bd5972
- SSDEEP 1536:V6QFElP6n+gMQMOtEvwDpjyaLccVCbt5Z:V6a+pOtEvwDpjv8
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000d000000023383-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000d000000023383-12.dat CryptoLocker_set1 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation ee2da28704ab9ef00feeb8687f0a6254ebd21b472f572c607fe4cc500533e638.exe - Executes dropped EXE 1 IoCs
pid Process 3496 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 2816 wrote to memory of 3496 2816 ee2da28704ab9ef00feeb8687f0a6254ebd21b472f572c607fe4cc500533e638.exe 85 PID 2816 wrote to memory of 3496 2816 ee2da28704ab9ef00feeb8687f0a6254ebd21b472f572c607fe4cc500533e638.exe 85 PID 2816 wrote to memory of 3496 2816 ee2da28704ab9ef00feeb8687f0a6254ebd21b472f572c607fe4cc500533e638.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\ee2da28704ab9ef00feeb8687f0a6254ebd21b472f572c607fe4cc500533e638.exe"C:\Users\Admin\AppData\Local\Temp\ee2da28704ab9ef00feeb8687f0a6254ebd21b472f572c607fe4cc500533e638.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:3496
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 60KB
- SHA256 c9a62fe5292920f5e17c19bc3c91a3cd82e165128f7ffc0607b7c8da68853437
- MD5 9c7a31dd4e4d334fe66e4711c9a1687a
- SHA1 382ec6d67499bac7686ad7cd3c05385dfd5b55f3
- SHA512 f750a0385c56e93a1deab8fe868bea0579a42f36e0fa5c3938e501e8c79c450a0cf1d668b3ac17f27b38a8e2077810192ce098c8ad9a8b78963a13ec3bf87dea
- SSDEEP 1536:V6QFElP6n+gMQMOtEvwDpjyaLccVCbt5j:V6a+pOtEvwDpjvS
- MD5 SHA1 SHA512 SSDEEP