Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 04:04
Behavioral task
behavioral1
Sample
2026-08-01_92c728aa2100ddf27024f7bdd6b9143d_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
9 signatures
150 seconds
General
- Target 2026-08-01_92c728aa2100ddf27024f7bdd6b9143d_coinminer_cryptolocker_elex.exe
- Size 42KB
- Sample260802-em282sthkf
- SHA256 3d2ce062d86896957a2f6e6fa0fbe473939b8f078df2bdd08f21f3f8d6e78541
- MD5 92c728aa2100ddf27024f7bdd6b9143d
- SHA1 80729de56228d4ef7b09d9120a1ad01e852b8894
- SHA512 54f8c6c5eef0ac505cfc9a7dabcd46ab44186ae5ca171c0d9a3f258411c1f9e4f2667af324638916f11155dd7869ddaa44ef5750c9ae5bb1fed7413d9da32218
- SSDEEP 768:92nmdJjj671a59ylqXtOOtEvwDpjljtDxy+0684tl3RSxDQ0y5A4:9/dVGJanicMOtEvwDpj5Pg94XB6cRA4
- TLSH T1311382346FD91572E37BDAB5C6F682C2B936B8223C12990C50CA67450833F56ADA1F1F
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4900-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000700000001b884-13.dat CryptoLocker_rule2 behavioral2/memory/4900-17-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5116-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 2 IoCs
resource yara_rule behavioral2/memory/4900-17-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/5116-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/4900-0-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/files/0x000700000001b884-13.dat UPX behavioral2/memory/4900-17-0x0000000000500000-0x0000000000510000-memory.dmp UPX behavioral2/memory/5116-27-0x0000000000500000-0x0000000000510000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 5116 misid.exe -
resource yara_rule behavioral2/memory/4900-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x000700000001b884-13.dat upx behavioral2/memory/4900-17-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/5116-27-0x0000000000500000-0x0000000000510000-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 2026-08-01_92c728aa2100ddf27024f7bdd6b9143d_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 4900 wrote to memory of 5116 4900 2026-08-01_92c728aa2100ddf27024f7bdd6b9143d_coinminer_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-01_92c728aa2100ddf27024f7bdd6b9143d_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-01_92c728aa2100ddf27024f7bdd6b9143d_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4900 -
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:5116
-
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 cc95b9d88db9d05463db74a1155633136f7351d5c71c94a4b702f026e31060bb
- MD5 9f3f56e1f8681c1400da08b61cc48bb5
- SHA1 516966b07748a00bb14b6c16370b18358c691fcc
- SHA512 ab84202e313b29e0e137f54a652fbe0aa0061d90e667f1a236539540e507f30fad246d81c8bd630544148a9a8543c4a76e486a17213649d5e5d074958298203c
- SSDEEP 768:92nmdJjj671a59ylqXtOOtEvwDpjljtDxy+0684tl3RSxDQ0y5A1:9/dVGJanicMOtEvwDpj5Pg94XB6cRA1
- TLSH T1BE1372346FD91572E37BDAB5C6F682C2B936B8223C12990C50CA67450833F56ADA1F1F
- MD5 SHA1 SHA512 SSDEEP TLSH