Analysis
- max time kernel
149s - max time network
115s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
05/05/2026, 19:40
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-05-05_6fc03a66afa3a6e8a9aea228f7a92657_elex_upatre_wannacry.exe
Resource
win10v2004-20260130-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-05_6fc03a66afa3a6e8a9aea228f7a92657_elex_upatre_wannacry.exe
Resource
win11-20260130-en
5 signatures
150 seconds
General
- Target 2026-05-05_6fc03a66afa3a6e8a9aea228f7a92657_elex_upatre_wannacry.exe
- Size 56KB
- Sample260505-ydtp4aev9s
- SHA256 9fabffc1f276db2a07ce7d97beba9128dba051a37b88ff7936242281b13502c7
- MD5 6fc03a66afa3a6e8a9aea228f7a92657
- SHA1 840a50ef550303dd726496d123300205bb11b6a2
- SHA512 f97b43a18defa9883e13f2b64a328f67dc18a493322f84017c131ac032cdba423dce901fee455490672efe950a6f3cb5be981f0cdb9149a760b566a788516d05
- SSDEEP 768:BW9+FP4BPtYggggggLvggggggggUaocHMoknj3+LxNIf6piy:SaoVbnzYxt
- TLSH T1654388346AD51672E37B9E7586F251CAA87DBC233D03680D4071F7440AB3FD2ADA1A4E
- 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/4260-0-0x0000000000400000-0x000000000040C000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000700000000d3f6-5.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/4260-13-0x0000000000400000-0x000000000040C000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/5088-15-0x0000000000400000-0x000000000040C000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 5088 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 2026-05-05_6fc03a66afa3a6e8a9aea228f7a92657_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 4260 wrote to memory of 5088 4260 2026-05-05_6fc03a66afa3a6e8a9aea228f7a92657_elex_upatre_wannacry.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-05_6fc03a66afa3a6e8a9aea228f7a92657_elex_upatre_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-05_6fc03a66afa3a6e8a9aea228f7a92657_elex_upatre_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4260 -
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:5088
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\btkba.exe
- Size 57KB
- SHA256 041dd7fd2af7566bde3ff4b869ee1cc3ed65e297e716a17b8a6102c53fe217bd
- MD5 d0eec309e687a892392a4ec6399ccd56
- SHA1 d9c0c339dabbf7bfff61c5de3d5d0a2b1c0cba8d
- SHA512 962f59a23d74e394fa2be5da824ef6a6536abf2e37e90ff70c2d5539874c1b98adcc333efe949131b0f795496e67ffe7a5c5f92d12b33bce4e7d93a2cad91c7d
- SSDEEP 768:BW9+FP4BPtYggggggLvggggggggUaocHMoknj3+LxNIf6piu:SaoVbnzYxx
- TLSH T16A4388346AD51572E37B9E7586F251CAA87DBC233D03680D4071F7440AB3FD2ADA1A4E
- MD5 SHA1 SHA512 SSDEEP TLSH