Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system - submitted
09/05/2026, 09:28
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-05-09_003776e4e1e1da2c07394bc34e4de858_elex_upatre_wannacry.exe
Resource
win10v2004-20250619-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-09_003776e4e1e1da2c07394bc34e4de858_elex_upatre_wannacry.exe
Resource
win11-20260130-en
5 signatures
150 seconds
General
- Target 2026-05-09_003776e4e1e1da2c07394bc34e4de858_elex_upatre_wannacry.exe
- Size 57KB
- Sample260509-lfe89sd12s
- SHA256 191877b435938120595bcced7e063d35007b1312befe76feddb6ff98ad0b25f3
- MD5 003776e4e1e1da2c07394bc34e4de858
- SHA1 f1de4c7e42dde901ba95cc539740205dd72c02cc
- SHA512 2709c37540abf5b83c4e521bd9bd97c5e317da24c56ba245f7d44a85551c55da7549ea59987cb1e95cbeeb8c763541232e666b5e855372b2b4c5980bb30ff58c
- SSDEEP 768:BW9+FP4BPtYggggggLvggggggggUaocHMoknj3+LxNIf6pipAhT9:SaoVbnzYxOuT9
- TLSH T13E4387346AD51672E37B9E7586F251CAA87DBC233D03680D4071F7440AB3FD2ADA1A4E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Custom signatureDetects executables built or packed with MPress PE compressor 4 IoCs
resource yara_rule behavioral1/memory/1724-0-0x0000000000400000-0x000000000040C000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x00040000000229b1-5.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/1724-12-0x0000000000400000-0x000000000040C000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2284-13-0x0000000000400000-0x000000000040C000-memory.dmp INDICATOR_EXE_Packed_MPress - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-636600838-1632888396-3521553955-1000\Control Panel\International\Geo\Nation 2026-05-09_003776e4e1e1da2c07394bc34e4de858_elex_upatre_wannacry.exe - Executes dropped EXE 1 IoCs
pid Process 2284 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 2026-05-09_003776e4e1e1da2c07394bc34e4de858_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 1724 wrote to memory of 2284 1724 2026-05-09_003776e4e1e1da2c07394bc34e4de858_elex_upatre_wannacry.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-09_003776e4e1e1da2c07394bc34e4de858_elex_upatre_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-09_003776e4e1e1da2c07394bc34e4de858_elex_upatre_wannacry.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1724 -
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:2284
-
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 22a8fca081f9d19e1a8f59cd5010bc618ea3282162e9d3e0c731faa6e26ce0f2
- MD5 727295d62972bd143fc74cabf8eada79
- SHA1 d59cbf5f8ec0b4a6109146f1b440b67125f13fe2
- SHA512 cf9624ca11b48d916a91543a7fd80d9d74ae78615923e63dcecfc8592f1ceab6f8ea357000a1021bba5b13e3eb2953a8c94ce65b32e9eeaa3f4fa181a36dafc7
- SSDEEP 768:BW9+FP4BPtYggggggLvggggggggUaocHMoknj3+LxNIf6pipAhTb:SaoVbnzYxOuTb
- TLSH T16C4387346AD51672E37B9E7586F251CAA87DBC233D03680D4071F7440AB3FD2ADA1A4E
- MD5 SHA1 SHA512 SSDEEP TLSH