Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/09/2026, 23:46
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-09-16_14099798e767bf57d92ea86cbd73a2bb_cryptolocker_elex.exe
Resource
win10v2004-20260911-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-16_14099798e767bf57d92ea86cbd73a2bb_cryptolocker_elex.exe
Resource
win11ltsc2024-20260911-en
5 signatures
150 seconds
General
- Target 2026-09-16_14099798e767bf57d92ea86cbd73a2bb_cryptolocker_elex.exe
- Size 1.0MB
- Sample260916-3sshsswhmd
- SHA256 69982dcb30fff5a49771c2b5ad36731c5ee0271897c539f5323718ac9bf53be3
- MD5 14099798e767bf57d92ea86cbd73a2bb
- SHA1 a0e593468662d6643e840fb4ee0fc0b4a2730361
- SHA512 f9d891dd6a35e2b4ceee8413fc858af176bf6afdcc23cacb28168ea166463a1f8de579105cbf4ea2e574db00548faa33fb00e8f368426faa350ebc9ab27ae954
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPqN:bGbvflT/ZFIjBzhxwOgXKarY1iB0
- TLSH T1002509BE74972645FE625C307FECF660DB57287ACB6BDAF24195A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4172-2-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000d00000001b892-13.dat CryptoLocker_rule2 behavioral2/memory/1388-18-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1388-20-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 1388 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 2026-09-16_14099798e767bf57d92ea86cbd73a2bb_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 4172 wrote to memory of 1388 4172 2026-09-16_14099798e767bf57d92ea86cbd73a2bb_cryptolocker_elex.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-16_14099798e767bf57d92ea86cbd73a2bb_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-16_14099798e767bf57d92ea86cbd73a2bb_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4172 -
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:1388
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 1.0MB
- SHA256 81e2f8efb56f4eda919329f54cab12573a57c107964ce0f60eee47a522810c75
- MD5 40d74d2c9d1fa83068fdb80c7f993d8d
- SHA1 eef6b7cdc6f1dfb7d5a9839944b32c3b0396194f
- SHA512 9518babd48ad1cc86587e62cf11b93e37ed8f1341279357d171ff3acd9aee38ad66951b83764b412e006187b76bfaf5c705222e25a8803a4966b4d38e6f9b9ec
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPqQ:bGbvflT/ZFIjBzhxwOgXKarY1iBB
- TLSH T1EF2509BE74972645FE625C307FECF660DB57287ACB6BDAF24195A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH