Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
30/09/2026, 12:28
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-09-30_33d614acc87599278b2f763ddc02fea3_cryptolocker_elex.exe
Resource
win10v2004-20260911-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-30_33d614acc87599278b2f763ddc02fea3_cryptolocker_elex.exe
Resource
win11ltsc2024-20260911-en
6 signatures
150 seconds
General
- Target 2026-09-30_33d614acc87599278b2f763ddc02fea3_cryptolocker_elex.exe
- Size 49KB
- Sample260930-pnvkpsvt2k
- SHA256 3999ade24bf69ffc0f3a320cf8906ebd35f3228193799898f9f5b3620c546900
- MD5 33d614acc87599278b2f763ddc02fea3
- SHA1 cc756fbb07bc725e2e09b7294f74d04989ad2bea
- SHA512 29aee8a5dfb6b1896a2d6f7155629fa1a6131e3f32c001d029ca74fda1e812e9095db9e79e3fead12abb8f86a3d808a14321eab8dba93fa7b97d1a2c76b628ec
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXZwz:bgGYcA/53GAGgIvFbM
- TLSH T1D63333387FE52972E37BDFB586F651C6B97578223D16980D40CA43844833F66DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/2932-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000d00000001c695-13.dat CryptoLocker_rule2 behavioral2/memory/3192-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3192-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 3192 hasfj.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\Domain hasfj.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname hasfj.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 2026-09-30_33d614acc87599278b2f763ddc02fea3_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2932 wrote to memory of 3192 2932 2026-09-30_33d614acc87599278b2f763ddc02fea3_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-30_33d614acc87599278b2f763ddc02fea3_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-30_33d614acc87599278b2f763ddc02fea3_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2932 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:3192
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 49KB
- SHA256 b8d383877a4c6dbba3e70d1779f3d1fcd0e5f37d021a8d925bea8b0ff63a5be3
- MD5 8808c92caaa99cc8ac2f0f8bf4d84855
- SHA1 ee85fca30603b5c579f0ce76eccb631449dc6d50
- SHA512 32d0e768cd59806c5a46cc4394803328001e898db0480cfbaed59598074125133f40e939ef9481c4035fbd93c4ef55a26a9d536205073dc6fd86be03c8987520
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXZwi:bgGYcA/53GAGgIvFbB
- TLSH T1D13333387FE52972E37BDFB586F691C6B97578223D16980D40CA43844833F66DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH