Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
25/08/2026, 18:41
Behavioral task
behavioral1
Sample
2026-08-24_14774ebd954177542cd97445f29f8598_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
General
- Target 2026-08-24_14774ebd954177542cd97445f29f8598_coinminer_cryptolocker_elex.exe
- Size 50KB
- Sample260825-xbsvcaae43
- SHA256 c8d11179ce61e538aeddc0392cc0fe7520b8acf2fdb95f5d4bd743991c0773a8
- MD5 14774ebd954177542cd97445f29f8598
- SHA1 51df092a582a0a76f4385e03a394e109c688ccf0
- SHA512 1ebe14e54f68b3e8832d57037d2d5749fbeb4c8412ed62cdb17cbdc90528b47cfe06482ba069ff63dee5617d4183a0a7abfd79ffca722fd4ea901acc81bf827b
- SSDEEP 768:bODOw9UiamWUB2preAr+OfjH/0STX73OBqo9J:bODOw9acifH+YG
- TLSH T1EF33C8387FE56972E377AB7185F751C2B974B4223D15890E94CF57880833E62EC61A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/5564-0-0x0000000008000000-0x000000000800F000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5564-3-0x0000000008000000-0x000000000800F000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000800000001b1d0-14.dat CryptoLocker_rule2 behavioral2/memory/4104-26-0x0000000008000000-0x000000000800F000-memory.dmp CryptoLocker_rule2 - UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/5564-0-0x0000000008000000-0x000000000800F000-memory.dmp UPX behavioral2/memory/5564-3-0x0000000008000000-0x000000000800F000-memory.dmp UPX behavioral2/files/0x000800000001b1d0-14.dat UPX behavioral2/memory/4104-26-0x0000000008000000-0x000000000800F000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4104 lossy.exe -
resource yara_rule behavioral2/memory/5564-0-0x0000000008000000-0x000000000800F000-memory.dmp upx behavioral2/memory/5564-3-0x0000000008000000-0x000000000800F000-memory.dmp upx behavioral2/files/0x000800000001b1d0-14.dat upx behavioral2/memory/4104-26-0x0000000008000000-0x000000000800F000-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 2026-08-24_14774ebd954177542cd97445f29f8598_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 5564 wrote to memory of 4104 5564 2026-08-24_14774ebd954177542cd97445f29f8598_coinminer_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-24_14774ebd954177542cd97445f29f8598_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-24_14774ebd954177542cd97445f29f8598_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5564 -
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:4104
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
- Size 50KB
- SHA256 bf0f2b4be13e2528b1ad6f0fd95ab39a385afd089c3c7917c5d60a4083bc7169
- MD5 898c85484b08570169ad27ccd56c554e
- SHA1 094a2607d7c6bf43622feb823e6c690754e7d523
- SHA512 a9a0998fd14e972dc17027e6ba6877e06d4c7ab1df7d39bf78676019b68be7556775f53ad4621f78d9a431cd163ceeff18ea5676ba32b78ec22f7d1d51611b98
- SSDEEP 768:bODOw9UiamWUB2preAr+OfjH/0STX73OBqo91:bODOw9acifH+Ya
- TLSH T13C33B7387FE56972E377AB7185F751C2B874B4223D15890D94CF57880833E62EC61A0E
- MD5 SHA1 SHA512 SSDEEP TLSH