Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/09/2026, 04:24
Behavioral task
behavioral1
Sample
2026-09-07_d9c06a3bfc573ca59c7aeafa0f2bc46a_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
General
- Target 2026-09-07_d9c06a3bfc573ca59c7aeafa0f2bc46a_coinminer_cryptolocker_elex.exe
- Size 41KB
- Sample260908-e1gjha1gre
- SHA256 d3e1495969f7b142f38973da4a2c502f1bc48a11664f5a6006b70e41c829a73a
- MD5 d9c06a3bfc573ca59c7aeafa0f2bc46a
- SHA1 a026259fc69e51fb5e9a1af27888d7efca8a68c6
- SHA512 d03225c4d51c42f5b6888f8261cc03e8f91886aa680522a41c22a2e5519f308e275cbe507bf1585310ffc69dbb06f10f3e11381a88488f9fa7e4da7ae9b71770
- SSDEEP 384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHNQY:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKCY
- TLSH T10D136D3637E76C61D27B5FB015FBE042787A7C203E39884E6CCE778DCAB26A19401586
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/1960-0-0x0000000008000000-0x000000000800F000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1960-3-0x0000000008000000-0x000000000800F000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000d00000001c5a1-14.dat CryptoLocker_rule2 behavioral2/memory/4704-19-0x0000000008000000-0x000000000800F000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4704-21-0x0000000008000000-0x000000000800F000-memory.dmp CryptoLocker_rule2 - UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/memory/1960-0-0x0000000008000000-0x000000000800F000-memory.dmp UPX behavioral2/memory/1960-3-0x0000000008000000-0x000000000800F000-memory.dmp UPX behavioral2/files/0x000d00000001c5a1-14.dat UPX behavioral2/memory/4704-19-0x0000000008000000-0x000000000800F000-memory.dmp UPX behavioral2/memory/4704-21-0x0000000008000000-0x000000000800F000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 4704 hasfj.exe -
resource yara_rule behavioral2/memory/1960-0-0x0000000008000000-0x000000000800F000-memory.dmp upx behavioral2/memory/1960-3-0x0000000008000000-0x000000000800F000-memory.dmp upx behavioral2/files/0x000d00000001c5a1-14.dat upx behavioral2/memory/4704-19-0x0000000008000000-0x000000000800F000-memory.dmp upx behavioral2/memory/4704-21-0x0000000008000000-0x000000000800F000-memory.dmp upx - 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 2026-09-07_d9c06a3bfc573ca59c7aeafa0f2bc46a_coinminer_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 1960 wrote to memory of 4704 1960 2026-09-07_d9c06a3bfc573ca59c7aeafa0f2bc46a_coinminer_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-07_d9c06a3bfc573ca59c7aeafa0f2bc46a_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-07_d9c06a3bfc573ca59c7aeafa0f2bc46a_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1960 -
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:4704
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:4268
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 41KB
- SHA256 8eec5c70095fd6dded000bc6c160c5f67be8578ae78548b5e28ef8a0f3c6f1a6
- MD5 8c992eb5e3d56e80b44aa310806edc0c
- SHA1 22073b5e36b6f9a55a9fd42ef148d172aef7bc7d
- SHA512 08d13e4e1ac1657b1a1157876027db0d4035a88d29054e94db6d04ff22c3978b249c1619b80d0f060dc71996d5e54ecb3dc1715d4db7df2a385b4576e0a67eff
- SSDEEP 384:ba74uGLLQRcsdeQ72ngEr4K7YmE8j6CQYnrz1ZhdaXFXSCVQTLfjDpXqxKHNQv:ba74zYcgT/EkdCQgpwXFXSqQXfj0xKCv
- TLSH T1FD136D3537E76C61D27B5EB015FBE042787A7C603E39884E6CCE778DCA726A19801586
- MD5 SHA1 SHA512 SSDEEP TLSH