Analysis
- max time kernel
150s - 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
06/09/2026, 23:19
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-09-06_8801020f12b39aafb053bc8e93bce7e4_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-06_8801020f12b39aafb053bc8e93bce7e4_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-09-06_8801020f12b39aafb053bc8e93bce7e4_cryptolocker_elex.exe
- Size 46KB
- Sample260906-3baawssvbw
- SHA256 cd891c2d809030613d715355bebe21c1bb47e8c66d39b8cd0158e1dd6d33fbdf
- MD5 8801020f12b39aafb053bc8e93bce7e4
- SHA1 b4e06911082710a3f1b4842cc252b09a779cedcb
- SHA512 c0283b2273fedec343ee7ef6fcf326e7126c1c819756668e7b68039ba6ee41b1848edac438147443b358c1f21c4eb56c627c2e297149baa49f69128211ee4667
- SSDEEP 384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUadQC8J5p:bm74zYcgT/EkM0ryfjPdQZJn
- TLSH T1E2234F24F6D62BF1D27AAB70C1BE90B1F62BB81339154C4D748BEFC688227539A43547
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/2088-0-0x0000000008000000-0x000000000800D000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2088-3-0x0000000008000000-0x000000000800D000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0007000000011394-14.dat CryptoLocker_rule2 behavioral2/memory/1248-19-0x0000000008000000-0x000000000800D000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1248-21-0x0000000008000000-0x000000000800D000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1248 hasfj.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 2026-09-06_8801020f12b39aafb053bc8e93bce7e4_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 2088 wrote to memory of 1248 2088 2026-09-06_8801020f12b39aafb053bc8e93bce7e4_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-06_8801020f12b39aafb053bc8e93bce7e4_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-06_8801020f12b39aafb053bc8e93bce7e4_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1248
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 46KB
- SHA256 eb962b931c40d9c5822edcfd1c5b2fb48e8635b8dcb94c2b9f6a5114e13f8871
- MD5 ea63a6cdef4c70a5a2e5badd7cacaba5
- SHA1 3b7483227da01e9ca60db386dec1882b05d799f6
- SHA512 4ec5f222a0c6dca9cb8d6f606b8db2b9216befc970b85da15517790968184775f6464fdb540992bde1d20b63111e0a980b786a12b63ca9a0c5230b2ae3ebf003
- SSDEEP 384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUadQC8J5k:bm74zYcgT/EkM0ryfjPdQZJG
- TLSH T16F235024F6D62AF1D27AAB70C1BE90B1F627B81339154C4D748BEBC688227539A4354B
- MD5 SHA1 SHA512 SSDEEP TLSH