Analysis
- max time kernel
150s - max time network
131s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/10/2026, 18:05
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-10-22_2c1e2b1055133faa69739f8743021a1d_cryptolocker_elex.exe
Resource
win10v2004-20260911-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-10-22_2c1e2b1055133faa69739f8743021a1d_cryptolocker_elex.exe
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target 2026-10-22_2c1e2b1055133faa69739f8743021a1d_cryptolocker_elex.exe
- Size 54KB
- Sample261024-wphqvsbv5y
- SHA256 b8ec5bedf21295d18b4ab144a2fccbfe8e86f21f6592b051282c0265a9dfb6f0
- MD5 2c1e2b1055133faa69739f8743021a1d
- SHA1 296354ee6bb3fb76a7aa1efeb40b847722ccace0
- SHA512 548994aecd86e821d05c1348b58b83bee4b2892b4620f741e30e93c820a67bb461b5778b2efe74ad31cf875a18c2794440d0f63f0d1b69f5070774ac4c367539
- SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y82:Z6a+pOtEvwDpjv95
- TLSH T11A431E386FD51A72E377CAB585F686C3B936B8237822990D50CE17410C33B56EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000a000000019cb3-11.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000a000000019cb3-11.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 1352 asih.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname asih.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain asih.exe - 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 2026-10-22_2c1e2b1055133faa69739f8743021a1d_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe - Modifies system certificate store 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\BDB1B93CD5978D45C6261455F8DB95C75AD153AF asih.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\BDB1B93CD5978D45C6261455F8DB95C75AD153AF\Blob = 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 asih.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3572 wrote to memory of 1352 3572 2026-10-22_2c1e2b1055133faa69739f8743021a1d_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-10-22_2c1e2b1055133faa69739f8743021a1d_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-10-22_2c1e2b1055133faa69739f8743021a1d_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3572 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Modifies system certificate store
PID:1352
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\asih.exe
- Size 54KB
- SHA256 9bec0d4fee2852da4021748884e6364b71ffbdc7d97db68bd0202523e18d940e
- MD5 c9e64731366580908e2ceebaeb67c447
- SHA1 be1558980a6ebce642a590d2c167ebbed130ab30
- SHA512 fc12215966808430197d34ff27a91f0d7936076faf53de377dd676c684fd24d7a13b9a8aa38a032ba977c0762da31d79d75f0914ab817da72119a19ee04b6476
- SSDEEP 1536:Z6QFElP6n+gMQMOtEvwDpjyaYaFAeG/Y8h:Z6a+pOtEvwDpjv9m
- TLSH T1A3431E386FD51A72E377CAB585F686C3B936B8237822990D50CE17410C33B56EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH