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
20/08/2026, 15:32
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-20_52f0e64700ddeb5d100410097f459eb6_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_52f0e64700ddeb5d100410097f459eb6_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-20_52f0e64700ddeb5d100410097f459eb6_cryptolocker_elex.exe
- Size 38KB
- Sample260820-sy5efattes
- SHA256 6f5bf70d812fc481ac8f732b148071bf730d64da09c3945a006da94722df551a
- MD5 52f0e64700ddeb5d100410097f459eb6
- SHA1 344120509c2a095638443fe841458a6f63d845c4
- SHA512 6d1123589fc7825df564ccaf48c1f744f39d13f46a74fd04e9b7f79da1e1f80be6bb0188c93c3f0405dd4537bd102b97b6693310eed2db4742b6288e1c0938a3
- SSDEEP 384:bdDl1ovmXAw9PMDREhi9OUSPlRxMc/cip58TfjDN0g/HNblX7QCOBqYvaz+k6:bdDOw9Uiaw8fjR0STX73OBqgaz+k6
- TLSH T1220363387EE52972E37BEB7585F791C2B874B8227D15890E94CE57440833F62EC61A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x000600000001b85f-13.dat CryptoLocker_rule2 behavioral2/memory/1096-17-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1140 lossy.exe - 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 2026-08-20_52f0e64700ddeb5d100410097f459eb6_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 1096 wrote to memory of 1140 1096 2026-08-20_52f0e64700ddeb5d100410097f459eb6_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_52f0e64700ddeb5d100410097f459eb6_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_52f0e64700ddeb5d100410097f459eb6_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1096 -
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:1140
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
- Size 38KB
- SHA256 163f20ad712a046c97e830e2bf97fd1788d41d2635b1ad9ebdb9a52686b8a47d
- MD5 eee276842db3931c5320760c2522e0c0
- SHA1 e3bb2e4ddade163fc9da2ba026860da2117589c7
- SHA512 9ffd52c7b86effebb84742ed861aa4b41ed2b39f721abf0c1825d03262fafd7f50ebf6c14f9b849f3c8f84297e41692612ad27bdcaa62a47a42c81aca97d5d65
- SSDEEP 384:bdDl1ovmXAw9PMDREhi9OUSPlRxMc/cip58TfjDN0g/HNblX7QCOBqYvaz+kq:bdDOw9Uiaw8fjR0STX73OBqgaz+kq
- TLSH T1610363387EE52972E37BEB7585F791C2B874B8227D15890E94CE57440833F62EC61A0E
- MD5 SHA1 SHA512 SSDEEP TLSH