Analysis
- max time kernel
148s - max time network
141s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
24/08/2026, 12:10
Behavioral task
behavioral1
Sample
2026-08-23_4e35696d093ee2b6d9eb105b446112a1_coinminer_elex_upatre_wannacry.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target 2026-08-23_4e35696d093ee2b6d9eb105b446112a1_coinminer_elex_upatre_wannacry.exe
- Size 116KB
- Sample260824-pcgjpsxdlf
- SHA256 f4500fba56414cd61769149e77bd5111b3059ea4a3b99812140ef2443fdf0048
- MD5 4e35696d093ee2b6d9eb105b446112a1
- SHA1 e4e8970919ff9ac461dd7183ddceda1e44e1dd3f
- SHA512 99bb61d2dae5eff37df0967b630d28b94a88f6b0cd6c0e7922313c75605bd9fd7546d31c5bb05c9f15743fd02a4aa4e9aec420bc6054cc533d74a233f59f1086
- SSDEEP 768:MC/Z6W9TBkDh9ZXmoggggggLvggggggggUa+E68:MQmF9f+
- TLSH T1D0C317A063C015D9E6A31E36A172220DE18E7F23134B5FCB1BB8F1525BF13D36A35668
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/4984-0-0x0000000000400000-0x000000000041D000-memory.dmp UPX behavioral2/files/0x000800000001b83c-5.dat UPX behavioral2/memory/4984-10-0x0000000000400000-0x000000000041D000-memory.dmp UPX behavioral2/memory/416-11-0x0000000000400000-0x000000000041D000-memory.dmp UPX - Executes dropped EXE 1 IoCs
pid Process 416 btkba.exe -
resource yara_rule behavioral2/memory/4984-0-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral2/files/0x000800000001b83c-5.dat upx behavioral2/memory/4984-10-0x0000000000400000-0x000000000041D000-memory.dmp upx behavioral2/memory/416-11-0x0000000000400000-0x000000000041D000-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 2026-08-23_4e35696d093ee2b6d9eb105b446112a1_coinminer_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 4984 wrote to memory of 416 4984 2026-08-23_4e35696d093ee2b6d9eb105b446112a1_coinminer_elex_upatre_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-23_4e35696d093ee2b6d9eb105b446112a1_coinminer_elex_upatre_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-23_4e35696d093ee2b6d9eb105b446112a1_coinminer_elex_upatre_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4984 -
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:416
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\btkba.exe
- Size 116KB
- SHA256 ab1cafc8ca7d74a4c979d03ab6372e1f625b2e2834d3cff9a393ffab1928e737
- MD5 41427e4b50ada6e750f007ca16c97385
- SHA1 5a146a8419a31e40e20512b8445f7ca6b92cbe63
- SHA512 6e5c3d5aaa2cb599f56bbb6ccd0eeb73e0e6d33724007f05081b531536caea20093bb5644951be7bb4ec467bf37f45d95721c859891faee5103ab488e6644331
- SSDEEP 768:MC/Z6W9TBkDh9ZXmoggggggLvggggggggUa+E68R:MQmF9f+k
- TLSH T1E7C307A063C415D9E6A31E36A172220DE18E7F63134B5ECB1BB8F1524BF17D36A31768
- MD5 SHA1 SHA512 SSDEEP TLSH