Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
14/08/2026, 15:21
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-14_fac5622871a87298bff5ca0b445d97c3_elex_remcos_wannacry.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target 2026-08-14_fac5622871a87298bff5ca0b445d97c3_elex_remcos_wannacry.exe
- Size 84KB
- Sample260814-srfshaw1c1
- SHA256 9570b715eac9f89984ab34fe0349f27c0a14057cc96085ea6435566534a52c16
- MD5 fac5622871a87298bff5ca0b445d97c3
- SHA1 3e9dabbc05f097035f8cdb65478de59132381cf9
- SHA512 aee3fd9f9ddff3aa1a3f99c95fd84cdc4230b84b5d70ed66f24a19e4b670f65b989cb5b98943148cdd559593feb387c63f5ead7491ed5a2dbc1be1594f969bcc
- SSDEEP 768:rvw9816vhKQLroxo4/QQF7PQcpFpZOgDaLSQTTyS1tl7lfqvocqcdxZV9:7EGh0oxoFM7PQcpMgDaLfnyS1loLDL
- TLSH T101836C03A684B5F2EB6C0135B19F0F7E963786B1C4C9682F5B638DB95862863F431E17
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detects Windows executables referencing non-Windows User-Agents 2 IoCs
resource yara_rule behavioral1/files/0x000300000001e6a4-2.dat INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral1/files/0x000300000001e6ec-6.dat INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA - Executes dropped EXE 2 IoCs
pid Process 1768 mA4CE8570c3B30a45e71AF58nA4D2842AE108u.exe 1948 m9D7EFFDAc04C6a41d619FB1n0BAA45E09329u.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\mA4CE8570c3B30a45e71AF58nA4D2842AE108u.exe 2026-08-14_fac5622871a87298bff5ca0b445d97c3_elex_remcos_wannacry.exe File created C:\Windows\m9D7EFFDAc04C6a41d619FB1n0BAA45E09329u.exe mA4CE8570c3B30a45e71AF58nA4D2842AE108u.exe - Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2616 cmd.exe 2368 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 5 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 m9D7EFFDAc04C6a41d619FB1n0BAA45E09329u.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-08-14_fac5622871a87298bff5ca0b445d97c3_elex_remcos_wannacry.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mA4CE8570c3B30a45e71AF58nA4D2842AE108u.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4240 2026-08-14_fac5622871a87298bff5ca0b445d97c3_elex_remcos_wannacry.exe Token: SeIncBasePriorityPrivilege 1768 mA4CE8570c3B30a45e71AF58nA4D2842AE108u.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4240 wrote to memory of 1768 4240 2026-08-14_fac5622871a87298bff5ca0b445d97c3_elex_remcos_wannacry.exe 87 PID 4240 wrote to memory of 2616 4240 2026-08-14_fac5622871a87298bff5ca0b445d97c3_elex_remcos_wannacry.exe 88 PID 1768 wrote to memory of 1948 1768 mA4CE8570c3B30a45e71AF58nA4D2842AE108u.exe 89 PID 1768 wrote to memory of 2368 1768 mA4CE8570c3B30a45e71AF58nA4D2842AE108u.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-14_fac5622871a87298bff5ca0b445d97c3_elex_remcos_wannacry.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-14_fac5622871a87298bff5ca0b445d97c3_elex_remcos_wannacry.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4240 -
C:\Windows\mA4CE8570c3B30a45e71AF58nA4D2842AE108u.exeC:\Windows\mA4CE8570c3B30a45e71AF58nA4D2842AE108u.exe2⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Windows\m9D7EFFDAc04C6a41d619FB1n0BAA45E09329u.exeC:\Windows\m9D7EFFDAc04C6a41d619FB1n0BAA45E09329u.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1948
-
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Windows\MA4CE8~1.EXE > nul3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:2368
-
-
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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
PID:2616
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\m9D7EFFDAc04C6a41d619FB1n0BAA45E09329u.exe
- Size 84KB
- SHA256 0f1fa3e4f8569f38adc214fab1001943fea76686191a9db0e3de5d954e6a9bc0
- MD5 61805aa08088aa9c7d986ba9825547da
- SHA1 313d4204190fa0b2fa539d5e9b6cdf19349818e6
- SHA512 e51c4a5453cac6074d252ed1e63f6bc05a6184a58f04ead518abbbd7f48632ce574ee1b6a4995974ab1de8537c8009af7e126b7267899c73bc3bc19e59cd01c3
- SSDEEP 768:rvw9816vhKQLroao4/QQF7PQcpFpZOgDaLSQTTyS1tl7lfqvocqcdxZV9:7EGh0oaoFM7PQcpMgDaLfnyS1loLDL
- TLSH T1D3836C03A684B5F2EB6C0135B19F0F7E963786B1C4C9682F5B638DB95862863F431E17
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Windows\mA4CE8570c3B30a45e71AF58nA4D2842AE108u.exe
- Size 84KB
- SHA256 291aafe0bdf05c49eae8bfa90be102a783a77ded8eba4873cc9eefcaec2522d7
- MD5 edcd161dad889e623b1a7fc7bd3dad7a
- SHA1 dc6116689a2ac72d248098616409ba35c302e761
- SHA512 454e32cc3239d43b5ec53cb2775815c38c2d56556667237b142ee808e1f882b3a2cb2707f23aa9bdfb51f8ebc99480bb842e6fba47c146a10d6b9410672d8247
- SSDEEP 768:rvw9816vhKQLroTo4/QQF7PQcpFpZOgDaLSQTTyS1tl7lfqvocqcdxZV9:7EGh0oToFM7PQcpMgDaLfnyS1loLDL
- TLSH T1DC836C03A584B5F2EB6C0135B19F0F7E963786B1C4C9682F5B638DB55862863F431E17
- MD5 SHA1 SHA512 SSDEEP TLSH