Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/07/2026, 22:28
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-02_d94d7a9b2918a90b1a421251a865362f_elex_upatre_wannacry.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-02_d94d7a9b2918a90b1a421251a865362f_elex_upatre_wannacry.exe
Resource
win11ltsc2024-20260629-en
5 signatures
150 seconds
General
- Target 2026-07-02_d94d7a9b2918a90b1a421251a865362f_elex_upatre_wannacry.exe
- Size 57KB
- Sample260702-2dm44acv8n
- SHA256 ce6196c3b3dd70ce1ba745bdac640aec818cc28707669751cd99aa016dcf66f0
- MD5 d94d7a9b2918a90b1a421251a865362f
- SHA1 347e50a69b5ef6f18828d4a4d999020a06ed1640
- SHA512 ff3aadc80c42392f04a0adaa4b65b2f291e6a90189eded1634db2454f1bda53cfef87e82dc55c99cc2b2f1f78c4a21f6843353edfec5ad0b479b888f0fe270aa
- SSDEEP 768:BW9+FP4BPtYggggggLvggggggggUaocHMoknj3+LxNIf6piv:SaoVbnzYxM
- TLSH T1374388346AD51672E37B9E7586F251CAA97DBC233D03680D4071F7440AB3FD2ADA0A4E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detects executables built or packed with MPress PE compressor 4 IoCs
resource yara_rule behavioral2/memory/5772-0-0x0000000000400000-0x000000000040C000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x001800000001171d-5.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/5772-10-0x0000000000400000-0x000000000040C000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/5052-11-0x0000000000400000-0x000000000040C000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 5052 btkba.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 2026-07-02_d94d7a9b2918a90b1a421251a865362f_elex_upatre_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language btkba.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5772 wrote to memory of 5052 5772 2026-07-02_d94d7a9b2918a90b1a421251a865362f_elex_upatre_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-02_d94d7a9b2918a90b1a421251a865362f_elex_upatre_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-02_d94d7a9b2918a90b1a421251a865362f_elex_upatre_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5772 -
C:\Users\Admin\AppData\Local\Temp\btkba.exe"C:\Users\Admin\AppData\Local\Temp\btkba.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5052
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\btkba.exe
- Size 58KB
- SHA256 fe8db3bde846f027af6463f393d342f51948bcf6e71aaa4cadfc84a492d464bd
- MD5 10839213415f0911b344d662b7e38c24
- SHA1 9f3c6edaa31c9531409518f088f8d51a74b90e09
- SHA512 a7f69796aa10da7f608bb3d0ebc552188510190d2310db69d7d58f75bfdda230d5133e32b29f71f2ccb7cadbab6a10c59effe79523cb780f392a23b3ee65ebac
- SSDEEP 768:BW9+FP4BPtYggggggLvggggggggUaocHMoknj3+LxNIf6pie:SaoVbnzYxp
- TLSH T1D84387346AD51672E37B9E7586F251CAA97DBC233D03680D4071F7440AB3FD2ADA0A4E
- MD5 SHA1 SHA512 SSDEEP TLSH