Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/07/2026, 07:20
Behavioral task
behavioral1
Sample
2026-07-31_7b9eb033e2b4c101f2adbe2e58165ab9_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
General
- Target 2026-07-31_7b9eb033e2b4c101f2adbe2e58165ab9_coinminer_cryptolocker_elex.exe
- Size 36KB
- Sample260731-h6d74scl2s
- SHA256 f94ceee30b88a6be4f6c1c2f7fc3a81cd31304d08801fd068dc7a371e00891ef
- MD5 7b9eb033e2b4c101f2adbe2e58165ab9
- SHA1 febb391f9a995561351f47bf8e327c4b07e06575
- SHA512 7202a7a7755e0ade18914bba75f4925458c81dac6a533c43fe0fccfeccc7d7bc2d55111173c8172e139bd22cefe50879b4f6b91176f2b8847aedb0c64d2254b9
- SSDEEP 768:bFgm5zusFUB2preAr+Ofjg0STX73OBqgazTDOH:bFgmpiifY+YgaHKH
- TLSH T163F284386FD92A72E37BDA7595F691C7B934B4227D02980D54CE53880C33F52EDA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/2816-0-0x0000000008000000-0x000000000800E000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000700000001b858-13.dat CryptoLocker_rule2 behavioral2/memory/2816-20-0x0000000008000000-0x000000000800E000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4452-28-0x0000000008000000-0x000000000800E000-memory.dmp CryptoLocker_rule2 - UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/2816-0-0x0000000008000000-0x000000000800E000-memory.dmp UPX behavioral2/files/0x000700000001b858-13.dat UPX behavioral2/memory/2816-20-0x0000000008000000-0x000000000800E000-memory.dmp UPX behavioral2/memory/4452-28-0x0000000008000000-0x000000000800E000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4452 lossy.exe -
resource yara_rule behavioral2/memory/2816-0-0x0000000008000000-0x000000000800E000-memory.dmp upx behavioral2/files/0x000700000001b858-13.dat upx behavioral2/memory/2816-20-0x0000000008000000-0x000000000800E000-memory.dmp upx behavioral2/memory/4452-28-0x0000000008000000-0x000000000800E000-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 2026-07-31_7b9eb033e2b4c101f2adbe2e58165ab9_coinminer_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lossy.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2816 wrote to memory of 4452 2816 2026-07-31_7b9eb033e2b4c101f2adbe2e58165ab9_coinminer_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-31_7b9eb033e2b4c101f2adbe2e58165ab9_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-31_7b9eb033e2b4c101f2adbe2e58165ab9_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4452
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
- Size 36KB
- SHA256 5ce3edb903d0ae3ea2775fb05ce159e2a96075790566f3e41f44ddbe6d62f628
- MD5 d73275bd865dcc003f8349f794bd8a43
- SHA1 b8a367f97923da0804e93d2bf8531f083b32f1ef
- SHA512 7aba36d3495c3a4996f857113ccfb6c3b09bad133d2f813fe5d09e005a8ee2ecd4576303c09c2c3c2aeba0014a71c825eca4b9d569fd123abba63c75bb2bd50c
- SSDEEP 768:bFgm5zusFUB2preAr+Ofjg0STX73OBqgazTDOk:bFgmpiifY+YgaHKk
- TLSH T138F283386FD92A72E37BDA7595F691C6B934B4227D02980D54CE53880C33F52EDA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH