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
21/08/2026, 00:44
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-20_2704dd337a652d20f345c0d555170727_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-20_2704dd337a652d20f345c0d555170727_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-08-20_2704dd337a652d20f345c0d555170727_cryptolocker_elex.exe
- Size 38KB
- Sample260821-a3s8vszbja
- SHA256 4ae2388e53bf90ea7a48f1b9b7b804264adb0f6b7c3abd670bbbc7617667c4ce
- MD5 2704dd337a652d20f345c0d555170727
- SHA1 b41ea7b674e91be55e6554c177e2ee13354d6299
- SHA512 f1d8a9c455eca516196caffa55bd11b92d4739d470818757cc64676d51827fdaaf6617c11059427ac8c7e742edce16471c035b35a0d836fcc1fe9e4319b0de6d
- SSDEEP 384:bdDl1ovmXAw9PMDREhi9OUSPlRxMc/cip58TfjDN0g/HNblX7QCOBqYvazTvbqk:bdDOw9Uiaw8fjR0STX73OBqgazTDb
- TLSH T1C30352387EE52972E37BEA7585F791C6B874B4223D15890E94CF57440833F62ECA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x0008000000019cb5-13.dat CryptoLocker_rule2 behavioral2/memory/3744-17-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 472 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_2704dd337a652d20f345c0d555170727_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 3744 wrote to memory of 472 3744 2026-08-20_2704dd337a652d20f345c0d555170727_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_2704dd337a652d20f345c0d555170727_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_2704dd337a652d20f345c0d555170727_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3744 -
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:472
-
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 5c51324e8b47bab42f46c6b20c9334c12a79e0aeaa8a1d2627b5f5058a46fa1d
- MD5 159845fb13aa60a6057d096510d98416
- SHA1 b2287898d6f06a463ea7791325e1655b8ade93d3
- SHA512 99d34f604f19658353a561203d36c6226d142987da56cb37e959bf267a6cad073f3ebe9bda05e99d66faddc0734e0a80cf79a8258433346e30a7ba0a543eafe0
- SSDEEP 384:bdDl1ovmXAw9PMDREhi9OUSPlRxMc/cip58TfjDN0g/HNblX7QCOBqYvazTvbqc:bdDOw9Uiaw8fjR0STX73OBqgazTD7
- TLSH T19E0352387EE52972E37BEA7585F791C6B874B4223D15980E84CF57440833F62ECA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH