Analysis
- max time kernel
149s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/08/2026, 10:23
Behavioral task
behavioral1
Sample
2026-08-09_15f7fd5b6dd9190584302ae6b10aaa8f_elex_remcos_wannacry.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-09_15f7fd5b6dd9190584302ae6b10aaa8f_elex_remcos_wannacry.exe
Resource
win11ltsc2024-20260709-en
10 signatures
150 seconds
General
- Target 2026-08-09_15f7fd5b6dd9190584302ae6b10aaa8f_elex_remcos_wannacry.exe
- Size 60KB
- Sample260809-mevs1adn4y
- SHA256 c61cabc1869fe9e6ba841b81491d2fe66ed464e2069117af1e178a1134d6cc6f
- MD5 15f7fd5b6dd9190584302ae6b10aaa8f
- SHA1 815f43b00f6ff08459dcb6285169d0adae2e309a
- SHA512 b93be595fbf8e409a8833b6748117bca7e3c3da27f83669648078ac5dfda22033dbf99a75893ae08f0fa2ded68c5bb441dc2f56512017aa707bcf0c596ddfda7
- SSDEEP 384:NgbLwOs8AHsc4sMfwhKQLrob4/CFsrdHWMZ:Ngvw9816vhKQLrob4/wQpWMZ
- TLSH T120533B830F8978F2FB810175087A8BB9967B59D4D15FFE9BBF90CC094436651E83E60A
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Detects Stormser aka Storm DDoS and StormAttack 1 IoCs
resource yara_rule behavioral1/files/0x00070000000243f8-3.dat family_stormser - Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule behavioral1/files/0x00070000000243f8-3.dat INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1D741160-7FBC-49e2-8CCF-109FD9A5526D} 2026-08-09_15f7fd5b6dd9190584302ae6b10aaa8f_elex_remcos_wannacry.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{1D741160-7FBC-49e2-8CCF-109FD9A5526D}\stubpath = "C:\\Windows\\{1D741160-7FBC-49e2-8CCF-109FD9A5526D}.exe" 2026-08-09_15f7fd5b6dd9190584302ae6b10aaa8f_elex_remcos_wannacry.exe - Executes dropped EXE 1 IoCs
pid Process 960 {1D741160-7FBC-49e2-8CCF-109FD9A5526D}.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\{1D741160-7FBC-49e2-8CCF-109FD9A5526D}.exe 2026-08-09_15f7fd5b6dd9190584302ae6b10aaa8f_elex_remcos_wannacry.exe - Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3800 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 3 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 2026-08-09_15f7fd5b6dd9190584302ae6b10aaa8f_elex_remcos_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language {1D741160-7FBC-49e2-8CCF-109FD9A5526D}.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3512 2026-08-09_15f7fd5b6dd9190584302ae6b10aaa8f_elex_remcos_wannacry.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3512 wrote to memory of 960 3512 2026-08-09_15f7fd5b6dd9190584302ae6b10aaa8f_elex_remcos_wannacry.exe 88 PID 3512 wrote to memory of 3800 3512 2026-08-09_15f7fd5b6dd9190584302ae6b10aaa8f_elex_remcos_wannacry.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_15f7fd5b6dd9190584302ae6b10aaa8f_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_15f7fd5b6dd9190584302ae6b10aaa8f_elex_remcos_wannacry.exe"1⤵
- Boot or Logon Autostart Execution: Active Setup
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3512 -
C:\Windows\{1D741160-7FBC-49e2-8CCF-109FD9A5526D}.exeC:\Windows\{1D741160-7FBC-49e2-8CCF-109FD9A5526D}.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:960
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2026-0~1.EXE > nul2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:3800
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\{1D741160-7FBC-49e2-8CCF-109FD9A5526D}.exe
- Size 60KB
- SHA256 c9d06ece655d0db12971203f2b591cd93a6ce236a5ba3f3368f0823bac838d17
- MD5 b7ed1701de5df381176f0e244f29c697
- SHA1 4a1b8c156d99921716c78d741db2039a8f939e54
- SHA512 6f9ab1be8e5d751504b4cea196e8873b6212906f32fb3953f4c499ab1a10dad14602400df755e1a6630aadc31d16ef2ed7fd0ba099715939ff08f01d604b4c31
- SSDEEP 384:NgbLwOs8AHsc4sMfwhKQLro54/CFsrdHWMZ:Ngvw9816vhKQLro54/wQpWMZ
- TLSH T179533B830F8978F2FB810175087A8BB9967B59D4D14FFE9BBF90CC094436651E83E60A
- MD5 SHA1 SHA512 SSDEEP TLSH