Analysis
- max time kernel
148s - 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
18/07/2026, 08:39
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-18_1e1c072fab6ccc2bf9a73faafcb056e2_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-18_1e1c072fab6ccc2bf9a73faafcb056e2_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-18_1e1c072fab6ccc2bf9a73faafcb056e2_cryptolocker_elex.exe
- Size 42KB
- Sample260718-kkhdraht7y
- SHA256 bc8497ab25f2bfddcd1a03f0e9894e3a1589bdfcfa84b254972934e51f3db918
- MD5 1e1c072fab6ccc2bf9a73faafcb056e2
- SHA1 bea0069b93b4101003107b46f1137e5fad0fec97
- SHA512 53513908e37a51adc36be2034ae2289cf16cf80e87643cdbd56707be308058585b77db2ecb430d2e3ce9b8028917a0018daea78f1dd10add1112eecac08dc279
- SSDEEP 768:btB9g/WItCSsA5dAXwr3BGub4PnPXHSZBN:btB9g/xtCSqOxGFPXHSZBN
- TLSH T1741363347FE55A72D377CAB645F3E1C2A976BC227912D91D91CEA3480833B06EC90A1D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x000e00000001b847-13.dat CryptoLocker_rule2 behavioral2/memory/1636-20-0x0000000000400000-0x0000000000408000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1636 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 2026-07-18_1e1c072fab6ccc2bf9a73faafcb056e2_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4636 wrote to memory of 1636 4636 2026-07-18_1e1c072fab6ccc2bf9a73faafcb056e2_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-18_1e1c072fab6ccc2bf9a73faafcb056e2_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-18_1e1c072fab6ccc2bf9a73faafcb056e2_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4636 -
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:1636
-
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 0454bb96f4f2a52c67629052fd65a637c770add35edeff735f5234b67097a69e
- MD5 77e112aa6969b00f3115610810e38065
- SHA1 f50fe4b0583ae39b7e8707c631b11be1ebd5a1fd
- SHA512 18968b07b238bf895b9ec16f316f07645a6a8f8cd9a62e71cd0de33be1c37737fe34cb9258963be217a0885ba32540aa38827127420b3733374f6364a794c79d
- SSDEEP 768:btB9g/WItCSsA5dAXwr3BGub4PnPXHSZB/:btB9g/xtCSqOxGFPXHSZB/
- TLSH T1AC1363347FE55A72D377CAB645F3E1C2A976BC227912D91D91CEA3480833B06EC90A1D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\gewosik.exe
- Size 184B
- SHA256 e2246813c7fdbdccef957ac29042b17f35c08686b2faca01a654d2286fcdca9c
- MD5 b1ce9e6dd287b5d17fc2a8715305108e
- SHA1 eef10dd2c82c9b11d4b1f9aae4e6e671be140f7a
- SHA512 db80bba78027f2be3a6928783e8551567b043f7f866b67892347cab911e79170cd3717727bc56c985d8b0270217893587f245798afb85724fd3d8a29aa00da33
- TLSH T1B2C0C0F3D851886718253A22CC8232151A127D04EF406C70D18637CCC7F0F320D02D04
- MD5 SHA1 SHA512 TLSH