Analysis
- max time kernel
148s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
09/07/2026, 08:45
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-09_3aaa35d585ff77ebd525eef2a443bc24_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-09_3aaa35d585ff77ebd525eef2a443bc24_cryptolocker_elex.exe
Resource
win11ltsc2024-20260706-en
5 signatures
150 seconds
General
- Target 2026-07-09_3aaa35d585ff77ebd525eef2a443bc24_cryptolocker_elex.exe
- Size 42KB
- Sample260709-knzr7sgt21
- SHA256 947433dbebc1e919198caac55b2c2beb940a5be4ed38f7d67ae1920055e5974a
- MD5 3aaa35d585ff77ebd525eef2a443bc24
- SHA1 47178a478927ac475ddee2d6b49a29d1da2197b6
- SHA512 6dbb62efa7e72b784b5dd6dda95c9c8a0eaa0c31b3630c68e4e86c0c38a7585dc0c094adcd5c97ce2c4301a4c285205ae09523d16e89199680554d0240b29033
- SSDEEP 768:btB9g/WItCSsA5dAXwr3BGub4PnPXHSZ/:btB9g/xtCSqOxGFPXHSZ/
- TLSH T1201363347FE55A72D377CAB645F3E1C2A976BC227912D91D91CEA3480833B02EC90A1D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
resource yara_rule behavioral2/memory/4292-2-0x0000000000400000-0x0000000000408000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0006000000006974-13.dat CryptoLocker_rule2 behavioral2/memory/3408-20-0x0000000000400000-0x0000000000408000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3408 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 gewos.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-07-09_3aaa35d585ff77ebd525eef2a443bc24_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4292 wrote to memory of 3408 4292 2026-07-09_3aaa35d585ff77ebd525eef2a443bc24_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-09_3aaa35d585ff77ebd525eef2a443bc24_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-09_3aaa35d585ff77ebd525eef2a443bc24_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4292 -
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:3408
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
- Size 42KB
- SHA256 11a3fd82f52acb4ae565ab7f2d740d982862bb3bddc9086f634fcfe6d5a56894
- MD5 3d9b8c20817c48dcbe1b6eeab79c94f1
- SHA1 3f0e487da6b74b709aba0d4004c5291193ee40a5
- SHA512 a7f11bd8bd7914479aec1cf83a23c4d00d34e53f326eb15e1dc495a9860964e1db6b297867ff3419569dd302de008536fa48ba0a4e16f9efc3194a4487ee2f94
- SSDEEP 768:btB9g/WItCSsA5dAXwr3BGub4PnPXHSZJ:btB9g/xtCSqOxGFPXHSZJ
- TLSH T1D41363347FE55A72D377CAB645F3E1C2A976BC227912D91D91CEA3480833B06EC90A1D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\gewosik.exe
- Size 184B
- SHA256 212a2dba908736432f0db7dc7ec261443ad8e6ab4e1ff8cf9f15b86fb5b0eefd
- MD5 93568a5c35494162426194cf34b396a3
- SHA1 b7931bf316643b0d0c1d1440ffed86bdeabb39bb
- SHA512 9c3a73725d8be230c8f2b87f02d8a29cb0d6a4529ddfee5d2d2ef630c562790f04042b0f2807b07221b4d2bd7d6bc0dca0e379f400cf9d4fccf1e4466ede8efc
- TLSH T14BC0C0F3881088D70423363BCC81332115127D04EF401C30C0863DCCCAF1B760D01A90
- MD5 SHA1 SHA512 TLSH