Analysis
- max time kernel
150s - max time network
137s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/09/2026, 15:08
Behavioral task
behavioral1
Sample
2026-09-08_83c7ffb45ac96d1ad148c8cf07400082_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-08_83c7ffb45ac96d1ad148c8cf07400082_coinminer_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
9 signatures
150 seconds
General
- Target 2026-09-08_83c7ffb45ac96d1ad148c8cf07400082_coinminer_cryptolocker_elex.exe
- Size 67KB
- Sample260908-sjaarashla
- SHA256 faa11ebfea40fdc5407cc5de70a5b8bb6ecb969e6347fb98312614c599f59107
- MD5 83c7ffb45ac96d1ad148c8cf07400082
- SHA1 eb7d40ff03d2c352fe4039158008369c199c35a6
- SHA512 37cbe2bb79b67276ef556c044eb2358bc9211a3d72ca0258dd279e3dabf495a45aff605ed005addb7f4e0e76d9a56f752acda4e226de09b1b3fcf693d67943fe
- SSDEEP 768:qun/VbxjgQNQXtckstOOtEvwDpjfu2QY+:qu/Ju9cvMOtEvwDpjx+
- TLSH T1B7630975ABD815B2E377AB7599F7C6823527BC623D21990C20CE73054C33B52A862E1F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3544-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000700000001b811-13.dat CryptoLocker_rule2 behavioral2/memory/3544-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4288-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/3544-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000700000001b811-13.dat CryptoLocker_set1 behavioral2/memory/3544-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/memory/4288-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 - UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/3544-0-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/files/0x000700000001b811-13.dat UPX behavioral2/memory/3544-17-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/memory/4288-27-0x0000000000500000-0x000000000050F000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4288 asih.exe -
resource yara_rule behavioral2/memory/3544-0-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/files/0x000700000001b811-13.dat upx behavioral2/memory/3544-17-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/memory/4288-27-0x0000000000500000-0x000000000050F000-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 asih.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-09-08_83c7ffb45ac96d1ad148c8cf07400082_coinminer_cryptolocker_elex.exe - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\BDB1B93CD5978D45C6261455F8DB95C75AD153AF asih.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\BDB1B93CD5978D45C6261455F8DB95C75AD153AF\Blob = 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 asih.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3544 wrote to memory of 4288 3544 2026-09-08_83c7ffb45ac96d1ad148c8cf07400082_coinminer_cryptolocker_elex.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-08_83c7ffb45ac96d1ad148c8cf07400082_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-08_83c7ffb45ac96d1ad148c8cf07400082_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3544 -
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
- Modifies system certificate store
PID:4288
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 67KB
- SHA256 ff00fa949f014fc1a23fac1bfd824d23a500023c74a9a5a22eedccc810f30952
- MD5 857cb7a34749e0631adbf02ee9d03e96
- SHA1 cbf92b83d96f03a753d0959996c0b5350e1a02f8
- SHA512 f57b54e48389f5d5503ad9ac6c46a8ce7680fd38da43411c4cb8daf0576f62574aaa3c7a754722a76c4d34df47405f44d1dcd593fa14d23367e17f9e00365fb1
- SSDEEP 768:qun/VbxjgQNQXtckstOOtEvwDpjfu2QYj:qu/Ju9cvMOtEvwDpjxj
- TLSH T15163F975ABD815B2E377AB7599F7C6823527BC623D21990C20CA73054C33B52A862F1F
- MD5 SHA1 SHA512 SSDEEP TLSH