Analysis
- max time kernel
148s - max time network
133s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
16/08/2026, 01:50
General
- Target 2026-08-16_cfab5a2a543e4c39a843ab68fb17a79b_elex_remcos_wannacry.exe
- Size 64KB
- Sample260816-b9lyssxdmd
- SHA256 adbbe23a5439214dc38ff2c3ebda012318344b79d7e23737eeb1eab6c9d1cd81
Malware Config
Signatures
- Family: Stormser, StormDDoS, StormAttack, Stormer
Stormser aka StormDDoS, StormAttack, and Stormer is a Windows worm written in C++.
- Detects Stormser aka Storm DDoS and StormAttack 36 IoCs
- Detects Windows executables referencing non-Windows User-Agents 36 IoCs
- Boot or Logon Autostart Execution: Active Setup 2 TTPs 22 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
- Executes dropped EXE 11 IoCs
- Drops file in Windows directory 11 IoCs
- Executes a command shell one-liner 1 TTPs 11 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- System Location Discovery: System Language Discovery 1 TTPs 23 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 11 IoCs
- Suspicious use of WriteProcessMemory 22 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-08-16_cfab5a2a543e4c39a843ab68fb17a79b_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-16_cfab5a2a543e4c39a843ab68fb17a79b_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
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C:\Windows\{0F79D142-A092-44e7-BF7F-6BAD948708CC}.exeC:\Windows\{0F79D142-A092-44e7-BF7F-6BAD948708CC}.exe2⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\{79175496-98F2-4451-ABB7-4620DC835081}.exeC:\Windows\{79175496-98F2-4451-ABB7-4620DC835081}.exe3⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\{18B8E09A-3901-4b7b-9DF3-F2D816423BA7}.exeC:\Windows\{18B8E09A-3901-4b7b-9DF3-F2D816423BA7}.exe4⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\{F870FC30-5AEA-4e22-84F9-21ECFE6E0D7B}.exeC:\Windows\{F870FC30-5AEA-4e22-84F9-21ECFE6E0D7B}.exe5⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\{1B4BDA6F-1C1A-4ef5-95E9-1E10C16274D4}.exeC:\Windows\{1B4BDA6F-1C1A-4ef5-95E9-1E10C16274D4}.exe6⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\{65EB7E8F-A2CD-4423-B4ED-099DFD591E90}.exeC:\Windows\{65EB7E8F-A2CD-4423-B4ED-099DFD591E90}.exe7⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\{48FB2092-5BF2-44bb-BA05-3C1840613BA9}.exeC:\Windows\{48FB2092-5BF2-44bb-BA05-3C1840613BA9}.exe8⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\{38CEA0FB-091A-49c2-911D-72EB17E68C83}.exeC:\Windows\{38CEA0FB-091A-49c2-911D-72EB17E68C83}.exe9⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\{0B7CA3F7-1014-4a55-A655-54094CB0AE81}.exeC:\Windows\{0B7CA3F7-1014-4a55-A655-54094CB0AE81}.exe10⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\{832DA874-87F3-49a0-8B17-F8BA43FEA6F0}.exeC:\Windows\{832DA874-87F3-49a0-8B17-F8BA43FEA6F0}.exe11⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\{9B59D57E-558D-4c08-9995-DAAFFD4F188C}.exeC:\Windows\{9B59D57E-558D-4c08-9995-DAAFFD4F188C}.exe12⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{832DA~1.EXE > nul12⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{0B7CA~1.EXE > nul11⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{38CEA~1.EXE > nul10⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{48FB2~1.EXE > nul9⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{65EB7~1.EXE > nul8⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{1B4BD~1.EXE > nul7⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{F870F~1.EXE > nul6⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{18B8E~1.EXE > nul5⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{79175~1.EXE > nul4⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\{0F79D~1.EXE > nul3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
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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
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
{0B7CA3F7-1014-4a55-A655-54094CB0AE81}.exe
{0F79D142-A092-44e7-BF7F-6BAD948708CC}.exe
{18B8E09A-3901-4b7b-9DF3-F2D816423BA7}.exe
{1B4BDA6F-1C1A-4ef5-95E9-1E10C16274D4}.exe
{38CEA0FB-091A-49c2-911D-72EB17E68C83}.exe
{48FB2092-5BF2-44bb-BA05-3C1840613BA9}.exe
{65EB7E8F-A2CD-4423-B4ED-099DFD591E90}.exe
{79175496-98F2-4451-ABB7-4620DC835081}.exe
{832DA874-87F3-49a0-8B17-F8BA43FEA6F0}.exe
{9B59D57E-558D-4c08-9995-DAAFFD4F188C}.exe
{F870FC30-5AEA-4e22-84F9-21ECFE6E0D7B}.exe
memory/716-77-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1236-64-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1236-71-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1620-50-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1620-57-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1840-56-0x0000000000400000-0x0000000000410000-memory.dmp
memory/1840-62-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3336-29-0x0000000000400000-0x0000000000410000-memory.dmp
memory/3336-34-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4228-43-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4228-48-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4448-15-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4448-6-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4456-0-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4456-7-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4456-1-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4468-70-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4468-79-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4764-20-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4764-16-0x0000000000400000-0x0000000000410000-memory.dmp
memory/4764-13-0x0000000000400000-0x0000000000410000-memory.dmp
memory/6080-42-0x0000000000400000-0x0000000000410000-memory.dmp
memory/6080-36-0x0000000000400000-0x0000000000410000-memory.dmp
memory/6432-27-0x0000000000400000-0x0000000000410000-memory.dmp
memory/6432-22-0x0000000000400000-0x0000000000410000-memory.dmp