Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
14/07/2026, 02:57
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-07-14_d3c22e9f8a469eea4ce806e6c7ec259c_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-14_d3c22e9f8a469eea4ce806e6c7ec259c_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-07-14_d3c22e9f8a469eea4ce806e6c7ec259c_cryptolocker_elex.exe
- Size 4.6MB
- Sample260714-dfxjjsfs2s
- SHA256 68f8469c615d7b1859db20a2ecf5490761f153464125ac330ef1f7c240a384f9
- MD5 d3c22e9f8a469eea4ce806e6c7ec259c
- SHA1 51cf1ed6c829fd24c32e8a0575d80cd8af305b8a
- SHA512 cc49ceba59c1f1b40682b79f24f3b436e4d6295bcf4fe908a95e8216a91641a30097fa9e4277a84a9c647821b0b4e09771b74073132bccf7534e0fe68bc0b29b
- SSDEEP 98304:uR/ZFIjBzldUfs/ZFIjBz7jSZD1tU7ymTH:w/ZFIjBzF/ZFIjBzPEUusH
- TLSH T1D7363C5BA8E650A4C8FAD8348BE9E223FF633459473577E31BA091601F25BD0F8B9711
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/6484-2-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x001200000001157e-13.dat CryptoLocker_rule2 behavioral2/memory/5924-18-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5924-26-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 - Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule behavioral2/files/0x001200000001157e-13.dat INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 5924 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 2026-07-14_d3c22e9f8a469eea4ce806e6c7ec259c_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 6484 wrote to memory of 5924 6484 2026-07-14_d3c22e9f8a469eea4ce806e6c7ec259c_cryptolocker_elex.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-14_d3c22e9f8a469eea4ce806e6c7ec259c_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-14_d3c22e9f8a469eea4ce806e6c7ec259c_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6484 -
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:5924
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 4.6MB
- SHA256 677c9906ff4a119b5f962c1105945da4a08ad6e54bc2c6d29a34434f21c62f31
- MD5 4363c5abd41b40ae51b1d79f22553533
- SHA1 ffe01192476a9a49d892e0bde9a42f20609e4985
- SHA512 64bdbe0316e820d29abe8fc432bc4a8978705ff5edaa29d13943dc9d2ee24c18c00f769dc18a223af613e56c8ae672656ced6a26c090d049ea2aa9b2a47c7cf3
- SSDEEP 98304:uR/ZFIjBzldUfs/ZFIjBz7jSZD1tU7ymTe:w/ZFIjBzF/ZFIjBzPEUuse
- TLSH T1E9363C5BA8E650A4C8FAD8348BE9E223FF633459473577E31BA091601F25BD0F8B9711
- MD5 SHA1 SHA512 SSDEEP TLSH