Analysis
- max time kernel
148s - max time network
138s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/07/2026, 12:09
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-01_2fad298b7a81b85956e67694634db018_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-01_2fad298b7a81b85956e67694634db018_cryptolocker_elex.exe
Resource
win11ltsc2024-20260629-en
5 signatures
150 seconds
General
- Target 2026-07-01_2fad298b7a81b85956e67694634db018_cryptolocker_elex.exe
- Size 41KB
- Sample260701-pbfwsafv9x
- SHA256 28a6e725853726f66e37d38bee5e35cff7fd969769dc87499b4aa3bd2edb73ad
- MD5 2fad298b7a81b85956e67694634db018
- SHA1 4ac25fa23b7e5c5a56b90060fa45ae77a77f794e
- SHA512 815c34aa0d592a654885fd824ce547cd85a9a1f9fa38183484f2c40381ebab3394f9dfe564c0cbc64c1a869b24e78bf8640c051b1849c3955cb4bf3debd69a91
- SSDEEP 768:btB9g/WItCSsA5dAXwr3BGub4PnPXHSZY:btB9g/xtCSqOxGFPXHSZY
- TLSH T1171364347FE55A72D377C6B645F3E1C2A976BC227916DA1D91CEA3480833B02EC90A1D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
resource yara_rule behavioral2/files/0x00070000000068d5-13.dat CryptoLocker_rule2 behavioral2/memory/1784-20-0x0000000000400000-0x0000000000408000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1784-22-0x0000000000400000-0x0000000000408000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1784 gewos.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 2026-07-01_2fad298b7a81b85956e67694634db018_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gewos.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 6132 wrote to memory of 1784 6132 2026-07-01_2fad298b7a81b85956e67694634db018_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-01_2fad298b7a81b85956e67694634db018_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-01_2fad298b7a81b85956e67694634db018_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6132 -
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1784
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
- Size 41KB
- SHA256 d07126402f276e0d890badfe301f4e033471109931c43d0029943a7b8a55599f
- MD5 8cc490db48e18a587f3d20fd76e9c012
- SHA1 8d34828723157b691bedc30ad78320ebc214b42a
- SHA512 c41e93dfa3cb25a2167fe1f6aa945ec551b08a404e3916e25b2e85047c49644c9345853db35174880c6e57f1786c97ecc748d3d4178a5afc9d8b8b846e2c398c
- SSDEEP 768:btB9g/WItCSsA5dAXwr3BGub4PnPXHSZP:btB9g/xtCSqOxGFPXHSZP
- TLSH T1871364347FE55A72D377C6B645F3E1C2A976BC227916D91D91CEA3480833B02EC90A1D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\gewosik.exe
- Size 183B
- SHA256 8df48dde7cbcfafe3e6896fd2f712f4fab6ff0437b2d1be2b97cb1f599107037
- MD5 043ba55540fbffe1dac066d575439c00
- SHA1 8c37d13ef9647a899da5023940930dcec2f22c40
- SHA512 ca0b45e51e062c2cbf4d4cbfdbb2953aca00360039b3e5c8ef4554b1912f61b430769d2d00aaf07e2a3dab392c4998937520474df1a133c415e4140e05869e47
- TLSH T11EC0C0F288108C6F141137A2CCC1321251237E08FF401C30C2C536C8C6F0F730D02541
- MD5 SHA1 SHA512 TLSH