Analysis
- max time kernel
148s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
26/08/2026, 00:54
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-25_fa3af93a4a2089762ad0ce8881182be2_coinminer_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-25_fa3af93a4a2089762ad0ce8881182be2_coinminer_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-25_fa3af93a4a2089762ad0ce8881182be2_coinminer_cryptolocker_elex.exe
- Size 25KB
- Sample260826-a9ap4a1cnc
- SHA256 30c2aa17096a48c07ea80f9e1c5a07120808bb5e949a16392f4d431195de608a
- MD5 fa3af93a4a2089762ad0ce8881182be2
- SHA1 d5612c1163fe9946e7c0a1247e35de4327ff6513
- SHA512 84f22f9492fae38a74648517750186c48b5b77b820b5dd99b008470629cf910929f377f9c1169caa5769a88ebaf843fe9ba7153264ad31a9d2f5ceb46ae13201
- SSDEEP 384:2pzt9rFQeKoOz/IHKhJfV8WcU+9Qi/zz47Df0e:2pz3hPKFzwHgJ9H/+VXg8e
- TLSH T1E9C21A20BBF89D61E277817819B7F180687ABD513E1A9A2E370AB38C4572B40F950F1D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/memory/3368-0-0x0000000000400000-0x000000000040D000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000c000000019cc9-13.dat CryptoLocker_rule2 - UPX dump on OEP (original entry point) 2 IoCs
resource yara_rule behavioral2/memory/3368-0-0x0000000000400000-0x000000000040D000-memory.dmp UPX behavioral2/files/0x000c000000019cc9-13.dat UPX - Executes dropped EXE 1 IoCs
pid Process 260 gewos.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 2026-08-25_fa3af93a4a2089762ad0ce8881182be2_coinminer_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gewos.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3368 wrote to memory of 260 3368 2026-08-25_fa3af93a4a2089762ad0ce8881182be2_coinminer_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-25_fa3af93a4a2089762ad0ce8881182be2_coinminer_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-25_fa3af93a4a2089762ad0ce8881182be2_coinminer_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3368 -
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:260
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
- Size 25KB
- SHA256 a0386bf95d14907dcc7ec844f4b3ccecc5bb3e57d7f3b63ea87f052e6915382c
- MD5 2d90a75ec1b2ab2fc4fa0e5e66720995
- SHA1 ee774cf3c447f0c65883823211829c919063044c
- SHA512 e8fc0fbd3b5238c209d1acb71b24b5185a6a422932fb82ef1644e1714c4c251a0d292677e3a9452f708bda288be2316bcfa7769ee70b5b1ec79736c24463f320
- SSDEEP 384:2pzt9rFQeKoOz/IHKhJfV8WcU+9Qi/zz47Df0f:2pz3hPKFzwHgJ9H/+VXg8f
- TLSH T157C21A20BBF89D61E277817819F7F180687ABD513E1A9A2E361AB38C4573B40F950F1D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\gewosik.exe
- Size 4B
- SHA256 042aea10a0f14f2d391373599be69d53a75dde9951fc3d3cd10b6100aa7a9f24
- MD5 6de9439834c9147569741d3c9c9fc010
- SHA1 38170c08cb458fd4879c34b6f608294c50312bbb
- SHA512 be665179a17ceb7800fa02e7f44c9bcac7cc2715057c3c9e534cac6346f65a71996850dcef24082ea70ad550bc390221d10b80512bfa1b5b9e390d68e69ac98a
- MD5 SHA1 SHA512