Analysis
- max time kernel
150s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/08/2026, 16:25
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-01_89c3a390fe2a4398ef260e08b8a3a071_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-01_89c3a390fe2a4398ef260e08b8a3a071_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
6 signatures
150 seconds
General
- Target 2026-08-01_89c3a390fe2a4398ef260e08b8a3a071_cryptolocker_elex.exe
- Size 76KB
- Sample260801-txe9lade34
- SHA256 13274cba02fc39129352e001597aef2f95a608ad00660fc3f46e3e171b5a61f5
- MD5 89c3a390fe2a4398ef260e08b8a3a071
- SHA1 afdcfc6bed5d7986938adb6edacd5cb76814339d
- SHA512 48baee1d53b4d0c580838e39b8297a36d7afd4c15083d7d3e27f8f31d8a45ce18953816e1d8b0139a4ecabeb2adbed66ceab58e9c2ea98cf478bbe78c2b4954f
- SSDEEP 1536:vj+jsMQMOtEvwDpj5HczerLO04BGc189Y0RxKFgzki5:vCjsIOtEvwDpj5HGWY0Rkfa
- TLSH T1E3730E396FD91672E37BDAB5CAF691C6BA75B4223D12980D40CA43440C33F56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000a000000019cb5-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000a000000019cb5-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 4108 misid.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 2026-08-01_89c3a390fe2a4398ef260e08b8a3a071_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4124 wrote to memory of 4108 4124 2026-08-01_89c3a390fe2a4398ef260e08b8a3a071_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-01_89c3a390fe2a4398ef260e08b8a3a071_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-01_89c3a390fe2a4398ef260e08b8a3a071_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4124 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4108
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 76KB
- SHA256 4ef98e40af9e755ad3e70a81fb6a927676acd9f79114d9bc370612f30ddebdf2
- MD5 2743a826378a752dad7273a936c1038a
- SHA1 f8cbaf4263c3d26caae5d11971e4236353572de6
- SHA512 1a7728adc436c0e95b3fe6e7185a37d192b126c5ef045113643d34d2d2c7598b611665f6f98bd89740aff634995fe38263016abd038bc62cbfaf469ed281692f
- SSDEEP 1536:vj+jsMQMOtEvwDpj5HczerLO04BGc189Y0RxKFgzkix:vCjsIOtEvwDpj5HGWY0Rkfq
- TLSH T1A6730E396FD91672E37BDAB5CAF691C6BA75B4223C12980D40CA43440C33F56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH