Analysis
- max time kernel
149s - max time network
128s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
04/06/2026, 17:23
Behavioral task
behavioral1
Sample
2026-06-04_51420c3698573c1ba5214eafabd72ea4_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target 2026-06-04_51420c3698573c1ba5214eafabd72ea4_coinminer_cryptolocker_elex.exe
- Size 48KB
- Sample260604-vyaaeabs9y
- SHA256 46acec3af5819ca5cdaca73c7f88a35d591148c12bae5a15fe81f96fa435b2f3
- MD5 51420c3698573c1ba5214eafabd72ea4
- SHA1 4f72c6819a051c595a93f0eb421f7e1ddf95e2e0
- SHA512 8b7213abfad0798a4df1a5da870028043c058578471d5cb980e50849caa18468910c0a3fee04d7b455f252c025f4b24365702066740b83f944715f1926c9e8e7
- SSDEEP 768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5aFr7YOzzOQjG/1iTfo8:qUmnpomddpMOtEvwDpjjaYaFAeG/Y88
- TLSH T1CF2310386FD51A72E377DAB6C5F695C2B926B8237C129D0C50CB17410C23F52ADA2E1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/492-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000b00000002aebf-13.dat CryptoLocker_rule2 behavioral2/memory/492-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4112-49-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 - Custom signatureDetection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/492-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000b00000002aebf-13.dat CryptoLocker_set1 behavioral2/memory/492-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/memory/4112-49-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 - Custom signatureUPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/492-0-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/files/0x000b00000002aebf-13.dat UPX behavioral2/memory/492-18-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/memory/4112-49-0x0000000000500000-0x000000000050F000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4112 asih.exe -
resource yara_rule behavioral2/memory/492-0-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/files/0x000b00000002aebf-13.dat upx behavioral2/memory/492-18-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/memory/4112-49-0x0000000000500000-0x000000000050F000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-06-04_51420c3698573c1ba5214eafabd72ea4_coinminer_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 492 wrote to memory of 4112 492 2026-06-04_51420c3698573c1ba5214eafabd72ea4_coinminer_cryptolocker_elex.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-04_51420c3698573c1ba5214eafabd72ea4_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-04_51420c3698573c1ba5214eafabd72ea4_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:492 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4112
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 48KB
- SHA256 178121828673936fefc6d118d9f32bf06d3d21954bee0d23224f6d2cc8d35476
- MD5 d4688fc5845381ae4747cfb190aa8964
- SHA1 b19538b5887311239bbdb22e1326b1d5ea2b8b98
- SHA512 1222081d014c84cf25db7164deaf3fbb435e08096a121ebd4ae751fff48a9cbfa83b8bf02ac6aac66fabe4ebf87150007737d1177f9f6dffaec58c7265e39146
- SSDEEP 768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5aFr7YOzzOQjG/1iTfoA:qUmnpomddpMOtEvwDpjjaYaFAeG/Y8A
- TLSH T18D2310386FD51A72E377DAB6C5F695C2B926B8237C129D0C50CB17410C23F52ADA2E1E
- MD5 SHA1 SHA512 SSDEEP TLSH