Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
21/08/2026, 07:59
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-21_2e0711cd66eaf635c8a08c581dce3305_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-21_2e0711cd66eaf635c8a08c581dce3305_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-21_2e0711cd66eaf635c8a08c581dce3305_cryptolocker_elex.exe
- Size 35KB
- Sample260821-jvsf2aaq31
- SHA256 d58c632f5f1a291752ff96a28c2006613c3f43aec4747504945954b1d98244a6
- MD5 2e0711cd66eaf635c8a08c581dce3305
- SHA1 c80293644f46abcc30c3aacf5404d621e2c0fb12
- SHA512 9feb5d9191502edc0e85f88342ecbbbf218fb66c92a8065a609cfb86f623b5d984b6e920d65e2b0ff84bd3f52f6ea84551f99354de07434fac23d0e9b9b8451f
- SSDEEP 768:bIDOw9UiaCHfjnE0S16avdrQFiLjJvt18V:bIDOw9a0Dnoc+vs
- TLSH T196F29438AEE52873E2B7AAB595F351C2F874B9123A15484E94CF63840D32F57FC9221D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
resource yara_rule behavioral2/memory/6012-2-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000b000000011377-13.dat CryptoLocker_rule2 behavioral2/memory/4168-25-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4168 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 2026-08-21_2e0711cd66eaf635c8a08c581dce3305_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 6012 wrote to memory of 4168 6012 2026-08-21_2e0711cd66eaf635c8a08c581dce3305_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-21_2e0711cd66eaf635c8a08c581dce3305_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-21_2e0711cd66eaf635c8a08c581dce3305_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6012 -
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:4168
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
- Size 35KB
- SHA256 3c00f4261d770396caa87787a07f48bcb04696ff1b6fb6a6fc1b5c9786a6d439
- MD5 d99b134a7fea824fbfed71413a74bd93
- SHA1 c36f201c0137048fad989fb82a746a7308af5fef
- SHA512 f30d0b67521cd79596163068da1e1b6619860a23c6a4d8c9dc33fce75d4fcc67c3c97674e91d8d7e15a580f96258c92ceb06b484afd2dced8368f70307d20fba
- SSDEEP 768:bIDOw9UiaCHfjnE0S16avdrQFiLjJvt18x:bIDOw9a0Dnoc+vQ
- TLSH T106F29438AEE52872E2B7AAB595F351C2F874B9123A15484E94CF63840D32F57FC9220D
- MD5 SHA1 SHA512 SSDEEP TLSH