Analysis
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max time kernel
120s -
max time network
99s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19/08/2024, 16:11
Static task
static1
Behavioral task
behavioral1
Sample
393646550bfdd0780cf11170e7301390N.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
393646550bfdd0780cf11170e7301390N.exe
Resource
win10v2004-20240802-en
General
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Target
393646550bfdd0780cf11170e7301390N.exe
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Size
2.6MB
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MD5
393646550bfdd0780cf11170e7301390
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SHA1
95072f969635ba6d27b7be55a4f8b00b265f5928
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SHA256
6fb7c04ca4faa826c5c11a9eb65d6c6bb57795a7489a2b7603172f12a3842606
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SHA512
9f7018b331cabc5fb2f86348c88235fec68ae6e13336e8a7613ad51a6fc9872e62a19670765dbf4469768192714aaf8a570abb5ac6918ff4235f852e230e62c0
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SSDEEP
49152:TeS12nRc6C5CEAHD26ICQVt1ULUQRP6a6YPkCLJ37xbIjNyX5Hxzl/U:6S+c6ZEmqCMtmoQRP6aZtnsNq9l/U
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe -
Executes dropped EXE 4 IoCs
pid Process 5020 explorer.exe 2724 spoolsv.exe 1464 svchost.exe 1944 spoolsv.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" svchost.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\explorer.exe explorer.exe File opened for modification C:\Windows\SysWOW64\explorer.exe svchost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 31 IoCs
pid Process 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 5020 explorer.exe 2724 spoolsv.exe 1464 svchost.exe 1944 spoolsv.exe 1944 spoolsv.exe 5020 explorer.exe 1464 svchost.exe 5020 explorer.exe 1464 svchost.exe 5020 explorer.exe 1464 svchost.exe 5020 explorer.exe 1464 svchost.exe 5020 explorer.exe 1464 svchost.exe 5020 explorer.exe 1464 svchost.exe 5020 explorer.exe 1464 svchost.exe 5020 explorer.exe 1464 svchost.exe 5020 explorer.exe 1464 svchost.exe 5020 explorer.exe 1464 svchost.exe 5020 explorer.exe 1464 svchost.exe 5020 explorer.exe 1464 svchost.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification \??\c:\windows\resources\spoolsv.exe explorer.exe File opened for modification \??\c:\windows\resources\svchost.exe spoolsv.exe File opened for modification C:\Windows\Resources\tjud.exe explorer.exe File opened for modification \??\c:\windows\resources\themes\explorer.exe 393646550bfdd0780cf11170e7301390N.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 393646550bfdd0780cf11170e7301390N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 5020 explorer.exe 1464 svchost.exe -
Suspicious use of SetWindowsHookEx 15 IoCs
pid Process 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 1864 393646550bfdd0780cf11170e7301390N.exe 5020 explorer.exe 5020 explorer.exe 5020 explorer.exe 2724 spoolsv.exe 2724 spoolsv.exe 2724 spoolsv.exe 1464 svchost.exe 1464 svchost.exe 1464 svchost.exe 1944 spoolsv.exe 1944 spoolsv.exe 1944 spoolsv.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1864 wrote to memory of 5020 1864 393646550bfdd0780cf11170e7301390N.exe 85 PID 1864 wrote to memory of 5020 1864 393646550bfdd0780cf11170e7301390N.exe 85 PID 1864 wrote to memory of 5020 1864 393646550bfdd0780cf11170e7301390N.exe 85 PID 5020 wrote to memory of 2724 5020 explorer.exe 86 PID 5020 wrote to memory of 2724 5020 explorer.exe 86 PID 5020 wrote to memory of 2724 5020 explorer.exe 86 PID 2724 wrote to memory of 1464 2724 spoolsv.exe 88 PID 2724 wrote to memory of 1464 2724 spoolsv.exe 88 PID 2724 wrote to memory of 1464 2724 spoolsv.exe 88 PID 1464 wrote to memory of 1944 1464 svchost.exe 89 PID 1464 wrote to memory of 1944 1464 svchost.exe 89 PID 1464 wrote to memory of 1944 1464 svchost.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\393646550bfdd0780cf11170e7301390N.exe"C:\Users\Admin\AppData\Local\Temp\393646550bfdd0780cf11170e7301390N.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1864 -
\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5020 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2724 -
\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe4⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1464 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR5⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.6MB
MD5a08fa653a7822a05fdd244081de22980
SHA14099d84f424ed8fdd92819d21ee41190d8ab12dd
SHA25690b4aa2a8a6ba5bda58639859d4fd155703bc870e468cbec8051df8608a0fa63
SHA512996cdaa42539d027ef8c9398a63e3c678899439696fdef3ae5bf7bd32eecdbd1506b5753e18b0247a41e05f286dec2af4bbcdabc91b12ee36e3252fef6ab31d8
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Filesize
2.6MB
MD5aba4507a0d4a0189852529120ca98c47
SHA1c46dcdc6a0ca30505fda3c42cb6bbdaa43d0eefe
SHA256d72dc3899c28c4dc42ae3b011c2333eaf009f481c849b2ce9fcf4d308326f7f0
SHA512c3f6dbb93298dffb8e6398a11e0e67b2bfe0e9b79adc9de0d1fe8dd6882a93ec2669471101f4f91122b234222cb512f4f27c714585f4c39808bf86014fe5e57a
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Filesize
2.6MB
MD5e2cdfe5c088b4096bb8fda2e6cbd1871
SHA1aac2472ab188306b3b53a4ffae8bf1ac7fb1c6ff
SHA2561c39aae11a4205c5be8b4db7de09a6ab2e97ad3b7aaa380bb979567495dcbea7
SHA512e88286623b6e2a96ce84d2eba353ded074fedbdc7b3a92070bc37e576aacb5f104cadd182ffb65e92fce3cdf2a33fb49a791f4945871943ce4ee185b5e01e717