Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/08/2026, 03:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-26_eeea156578ec47838cf895d486075ef5_cobalt-strike_elex_upatre_wannacry.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-26_eeea156578ec47838cf895d486075ef5_cobalt-strike_elex_upatre_wannacry.exe
Resource
win11ltsc2024-20260710-en
4 signatures
150 seconds
General
- Target 2026-08-26_eeea156578ec47838cf895d486075ef5_cobalt-strike_elex_upatre_wannacry.exe
- Size 113KB
- Sample260827-d71qaaxvdt
- SHA256 59b2d36f7182768ac414bff6b61c47bff439d7c50fdec494b2de579d0af45dba
- MD5 eeea156578ec47838cf895d486075ef5
- SHA1 08911cfaab77afbff0a36708e9fc177bbfb9f1e4
- SHA512 30297bf2120ff9cf78ccf61c701ef665b4546c29fa0cc959f0960112f9dfcd2292739156471ccd2321b4e6a0a952891df5606f2e101b2dced686e7c0ec9c0be9
- SSDEEP 1536:FAA34WvLKb7TQdL31Aq+3Wd83R43e/7VOEjs2FRP2EK:FANw3mk8meTy
- TLSH T137B3FE3D7AE865F3D3B7CAB9D9F556C2B931B8223E01594E148603480C23F56EDA1B2D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 1572 wujek.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 wujek.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-26_eeea156578ec47838cf895d486075ef5_cobalt-strike_elex_upatre_wannacry.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 5872 wrote to memory of 1572 5872 2026-08-26_eeea156578ec47838cf895d486075ef5_cobalt-strike_elex_upatre_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-26_eeea156578ec47838cf895d486075ef5_cobalt-strike_elex_upatre_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-26_eeea156578ec47838cf895d486075ef5_cobalt-strike_elex_upatre_wannacry.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5872 -
C:\Users\Admin\AppData\Local\Temp\wujek.exe"C:\Users\Admin\AppData\Local\Temp\wujek.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1572
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\wujek.exe
- Size 113KB
- SHA256 49327a78da9384a3568c8daee9a2598525ca42670372406c878cceefcf4f8680
- MD5 f5392448deecee96636b6c73b5d5aec3
- SHA1 2922b7cd0da3a6b043e274be3b9a9b489f729ad0
- SHA512 1aa499ed508cbd9ce7950a13517447f3bad0a9c3a5f053092d6e25009127acc768996845ab4818b6c497fe085f9313fd590e6c4039033b713ff7974d8f97738c
- SSDEEP 1536:FAA34WvLKb7TQdL31Aq+3Wd83R43e/7VOEjs2FRP2E0:FANw3mk8meTc
- TLSH T10BB3FE3D7AE865F3D3B7CAB9D9F556C2B931B8223E01594E148603480C23F56EDA1B2D
- MD5 SHA1 SHA512 SSDEEP TLSH