Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/08/2026, 15:42
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-14_9b41c586e85f7b2ff11a697652665b4d_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-14_9b41c586e85f7b2ff11a697652665b4d_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-08-14_9b41c586e85f7b2ff11a697652665b4d_cryptolocker_elex.exe
- Size 86KB
- Sample260814-s5e35adr7x
- SHA256 a6eeda265d04106f0ddbad3b2cffbbc15ba839d11a1d382a12ae56997ed29fd6
- MD5 9b41c586e85f7b2ff11a697652665b4d
- SHA1 5b8339b0c519cf388533fcdeeb928bacb7321c17
- SHA512 587992bb06318d0745bf692f304f753d0dc2e759f6a55eab9c3a73386ad5546f3ed5ae0dffa8e07d45bb470641a57b816de78877d14da5a8144986a2f213e134
- SSDEEP 1536:bNvJCF+RbCGLFa8aLnWKgM7B2vPo+XGp1:bN4ENDa8aLX7BcPBo
- TLSH T1BB830A3ABFC50B72C37343B115BBA1C1BB3AB9353626D55C649DA30C0573F18A9B2A49
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
resource yara_rule behavioral2/memory/2384-0-0x0000000000400000-0x0000000000414000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0006000000016b3a-14.dat CryptoLocker_rule2 behavioral2/memory/5488-21-0x0000000000400000-0x0000000000414000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 5488 demka.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 demka.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-14_9b41c586e85f7b2ff11a697652665b4d_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2384 wrote to memory of 5488 2384 2026-08-14_9b41c586e85f7b2ff11a697652665b4d_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-14_9b41c586e85f7b2ff11a697652665b4d_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-14_9b41c586e85f7b2ff11a697652665b4d_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Users\Admin\AppData\Local\Temp\demka.exe"C:\Users\Admin\AppData\Local\Temp\demka.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5488
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\demka.exe
- Size 86KB
- SHA256 12c14784a3e4f496d60274438c4d4f732c4f5c19dc3e61e38c140dd88ca175f7
- MD5 2b21610a84cc40ee9dc5efd47b674094
- SHA1 e5d47f86be9ac511ca214ccba5814a53a429c43b
- SHA512 a098c1998b0e4b64bc38ee7aa8ee0302c090ef0e8afe878d01974a571fb8715475d4b093ebcc7467d7205a787b93460fb1a566a007d006fea747ca6c21476d94
- SSDEEP 1536:bNvJCF+RbCGLFa8aLnWKgM7B2vPo+XGpW:bN4ENDa8aLX7BcPB/
- TLSH T1DC830A3ABFC50B72D37343B115BBA1C1BB3AB9353626D55C649DA30C0533F18A9B2A49
- MD5 SHA1 SHA512 SSDEEP TLSH