Analysis
- max time kernel
150s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
15/04/2026, 14:34
Behavioral task
behavioral1
Sample
2026-04-15_125fd276c6c04e3767af4a577f13f54b_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260130-en
9 signatures
150 seconds
General
- Target 2026-04-15_125fd276c6c04e3767af4a577f13f54b_coinminer_cryptolocker_elex.exe
- Size 42KB
- Sample260415-rxea7acs4y
- SHA256 f0ded299ed349320febb4a8534cc099d1898157b74315c091284b4f2255e4c90
- MD5 125fd276c6c04e3767af4a577f13f54b
- SHA1 bf1802b61524c28cf2f0a34ba921cd92dfdcdc8f
- SHA512 c85b01d06004bdb0d1f7b902cc8ba57fc2d1807361df10b3393c70d96db0293211ba50038893c996c5dbbd29b60152eeb224db0b88c927998b71b418933e2b49
- SSDEEP 768:92nmdJjj671a59ylqXtOOtEvwDpjljtDxy+0684tl3RSxDQ0y5G:9/dVGJanicMOtEvwDpj5Pg94XB6cRG
- TLSH T16E137174AFD91572E37BDA75C6F682C2B936B8223C12990C50CA63450833F56ADA1F1F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/5520-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000c000000027002-13.dat CryptoLocker_rule2 behavioral2/memory/5520-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5196-28-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 2 IoCs
resource yara_rule behavioral2/memory/5520-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/5196-28-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/5520-0-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/files/0x000c000000027002-13.dat UPX behavioral2/memory/5520-19-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/memory/5196-28-0x0000000000500000-0x0000000000510000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5196 misid.exe -
resource yara_rule behavioral2/memory/5520-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x000c000000027002-13.dat upx behavioral2/memory/5520-19-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/5196-28-0x0000000000500000-0x0000000000510000-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 2026-04-15_125fd276c6c04e3767af4a577f13f54b_coinminer_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5520 wrote to memory of 5196 5520 2026-04-15_125fd276c6c04e3767af4a577f13f54b_coinminer_cryptolocker_elex.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-15_125fd276c6c04e3767af4a577f13f54b_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_125fd276c6c04e3767af4a577f13f54b_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5520 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5196
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 42KB
- SHA256 c54a4fe7ac6b39ef313624fd3294f9357a54dd9b03e4a12f6c8f99a88cf897cc
- MD5 bb27809bb2a635057571242b106a6a4a
- SHA1 63aab9bc345f8960f7fc2888bcf6b2b795bafa45
- SHA512 8d204e9bf9ed99f9ae66f9fa58820a534a8e81f5cf3b1de566bf0adf30b21b85e246bbdc0ce8fedf6c9fa8d545fedf0b9fa453ec88324cdbbc39696f1470d349
- SSDEEP 768:92nmdJjj671a59ylqXtOOtEvwDpjljtDxy+0684tl3RSxDQ0y5DU:9/dVGJanicMOtEvwDpj5Pg94XB6cRDU
- TLSH T1CB137174AFD91572E37BDA75C6F682C2B936B8223C12990C50CA63450833F56ADA1F1F
- MD5 SHA1 SHA512 SSDEEP TLSH