Analysis
- max time kernel
149s - max time network
106s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
29/05/2026, 03:34
Behavioral task
behavioral1
Sample
2026-05-29_8d18e35d977acba128577292f8e00472_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target 2026-05-29_8d18e35d977acba128577292f8e00472_coinminer_cryptolocker_elex.exe
- Size 69KB
- Sample260529-d45j3act2v
- SHA256 eba37fb544a6b3242d60900b669233a7cd7ed14e949241a22c1b5fb51691e032
- MD5 8d18e35d977acba128577292f8e00472
- SHA1 0d28d9c6f5c51d3294ca4ac891c583e61d137e42
- SHA512 0324322fddb7e7fb6788fd6f8555065701876627872bbb2787e604d57bb2934e01a524ae566e60822f05d31653c2424e525c671ec3cb5ff3c1917dd589701fdf
- SSDEEP 1536:76QFElP6n+gKmddpMOtEvwDpj9aYaFAeG/Y8Q:76a+CdOOtEvwDpjQ9T
- TLSH T1F96340396FD51A72E377CAB585F782C3B926B8233922990D50CE17414C33B56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/5792-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5792-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0013000000025ad8-14.dat CryptoLocker_rule2 behavioral2/memory/960-18-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/960-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/5792-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/5792-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x0013000000025ad8-14.dat CryptoLocker_set1 behavioral2/memory/960-18-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/960-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/memory/5792-0-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/memory/5792-3-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/files/0x0013000000025ad8-14.dat UPX behavioral2/memory/960-18-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/memory/960-26-0x0000000000500000-0x0000000000510000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 960 asih.exe -
resource yara_rule behavioral2/memory/5792-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/5792-3-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x0013000000025ad8-14.dat upx behavioral2/memory/960-18-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/960-26-0x0000000000500000-0x0000000000510000-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 2026-05-29_8d18e35d977acba128577292f8e00472_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 5792 wrote to memory of 960 5792 2026-05-29_8d18e35d977acba128577292f8e00472_coinminer_cryptolocker_elex.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-29_8d18e35d977acba128577292f8e00472_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-29_8d18e35d977acba128577292f8e00472_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5792 -
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:960
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 70KB
- SHA256 de54c9e0d1d20ae5dd4120bd24b3a56e045d6f6cde527f72fbf5ed1036f39430
- MD5 c1be8bccdf9a2805aadb8181de128c9a
- SHA1 3e777ede7f2eabe2d2c53f87eb00299915a22a19
- SHA512 c34fa15be8e2e500d4c1993d38627b6b028dca32e8868a409c409e51b3fdb4e7f5af9f1e7682d303fd987d43138a56460363dafa27ae310fee377f7524331fb1
- SSDEEP 1536:76QFElP6n+gKmddpMOtEvwDpj9aYaFAeG/Y8w:76a+CdOOtEvwDpjQ97
- TLSH T16A6340396FD51A72E3B7CAB585F781C3B926B8233922990D50CE17414C33B56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH