Analysis
- max time kernel
148s - max time network
132s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
29/07/2026, 08:26
Behavioral task
behavioral1
Sample
2026-07-29_562bbb3c62bb6ebf40cd7d3c3ffb5ba1_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
11 signatures
150 seconds
General
- Target 2026-07-29_562bbb3c62bb6ebf40cd7d3c3ffb5ba1_coinminer_cryptolocker_elex.exe
- Size 49KB
- Sample260729-kbvbyszanb
- SHA256 f4c96092ae5c14400a03736f676517fb1503481b3a2e42417a7c57efc1e92945
- MD5 562bbb3c62bb6ebf40cd7d3c3ffb5ba1
- SHA1 e5acfe9057444e974b6cd48a1670a0ce76063964
- SHA512 a991307b442b65cadc46c0fdb6e288463c6f53bd4de37ae1f31e69b9ad788e687f9d65ef55b16c912058273e423ec33ebf110079ad27079b2a76adcfce19422b
- SSDEEP 768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5aFr7YOzzOQjG/1iTfoq:qUmnpomddpMOtEvwDpjjaYaFAeG/Y8q
- TLSH T1943310386FD51AB2E377DAB6C6F685C2B935B8227C129D0C50CA17450C23F52EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/2636-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000a00000001b315-13.dat CryptoLocker_rule2 behavioral2/memory/2636-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2568-28-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/2636-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000a00000001b315-13.dat CryptoLocker_set1 behavioral2/memory/2636-18-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral2/memory/2568-28-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 - UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/2636-0-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/files/0x000a00000001b315-13.dat UPX behavioral2/memory/2636-18-0x0000000000500000-0x000000000050F000-memory.dmp UPX behavioral2/memory/2568-28-0x0000000000500000-0x000000000050F000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 2568 asih.exe -
resource yara_rule behavioral2/memory/2636-0-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/files/0x000a00000001b315-13.dat upx behavioral2/memory/2636-18-0x0000000000500000-0x000000000050F000-memory.dmp upx behavioral2/memory/2568-28-0x0000000000500000-0x000000000050F000-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 2026-07-29_562bbb3c62bb6ebf40cd7d3c3ffb5ba1_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 2636 wrote to memory of 2568 2636 2026-07-29_562bbb3c62bb6ebf40cd7d3c3ffb5ba1_coinminer_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-29_562bbb3c62bb6ebf40cd7d3c3ffb5ba1_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-29_562bbb3c62bb6ebf40cd7d3c3ffb5ba1_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2636 -
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:2568
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 49KB
- SHA256 30c805c82a39ab542ea2b2702869e9bdd55e16ad7840c531da50d29e21f1778f
- MD5 eeae4caf5b92a45f88055a156091fa04
- SHA1 11e5df6bf67935b45c9fd243d448cc066c3b69dd
- SHA512 717aa47e37ef06f672b619c72fccedeeb95d9ae2bc8f1f1adb2574938889ae864160705df97cf435268a5c6565605280b09e4aac2923710af28b68264a25fbec
- SSDEEP 768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5aFr7YOzzOQjG/1iTfo3:qUmnpomddpMOtEvwDpjjaYaFAeG/Y83
- TLSH T11C3310386FD51AB2E377DAB6C6F685C2B935B8227C129D0C40CA17450C23F52ADA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH