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Analysis
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max time kernel
189s -
max time network
192s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02/10/2022, 22:07
Static task
static1
Behavioral task
behavioral1
Sample
5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe
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Size
96KB
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MD5
6f04b5d58a6b84ca41f96375003caf4b
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SHA1
cfcf538a4235a6ca21ad6e14f299b6bbb694027b
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SHA256
5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381
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SHA512
be2f1f32197ae765721e86358f488097c728df35e96dc6f9f84a2749123a8b3f18eef59b74dd9aab04d2d9bc65a37a59316c6956480600d8b0a4edf58482d4e1
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SSDEEP
1536:KIZ1NCPxqZZNjfNopseeGfLnZuTxHiD1Syxry6f6NLT6/H1ulAHJYNqcit7:KqWxqZ/rNHee9qrz6N6H1owPVt7
Score
10/10
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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zujex.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe -
Executes dropped EXE 2 IoCs
pid Process 2032 zujex.exe 1908 zujex.exe -
Loads dropped DLL 2 IoCs
pid Process 1220 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 1220 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /g" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /d" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /b" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /m" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /n" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /t" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /w" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /l" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /s" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /h" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /y" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /q" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /j" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /r" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /i" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /a" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /u" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /f" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /k" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /a" 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /c" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /e" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /z" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /v" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /o" zujex.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /x" zujex.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\zujex = "C:\\Users\\Admin\\zujex.exe /p" zujex.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zujex.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 zujex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum zujex.exe -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification C:\Users\Admin\c\autorun.inf zujex.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1152 set thread context of 1220 1152 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 27 PID 2032 set thread context of 1908 2032 zujex.exe 29 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1220 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe 1908 zujex.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1152 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 1220 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 2032 zujex.exe 1908 zujex.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 1152 wrote to memory of 1220 1152 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 27 PID 1152 wrote to memory of 1220 1152 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 27 PID 1152 wrote to memory of 1220 1152 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 27 PID 1152 wrote to memory of 1220 1152 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 27 PID 1152 wrote to memory of 1220 1152 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 27 PID 1152 wrote to memory of 1220 1152 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 27 PID 1152 wrote to memory of 1220 1152 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 27 PID 1152 wrote to memory of 1220 1152 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 27 PID 1152 wrote to memory of 1220 1152 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 27 PID 1152 wrote to memory of 1220 1152 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 27 PID 1220 wrote to memory of 2032 1220 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 28 PID 1220 wrote to memory of 2032 1220 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 28 PID 1220 wrote to memory of 2032 1220 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 28 PID 1220 wrote to memory of 2032 1220 5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe 28 PID 2032 wrote to memory of 1908 2032 zujex.exe 29 PID 2032 wrote to memory of 1908 2032 zujex.exe 29 PID 2032 wrote to memory of 1908 2032 zujex.exe 29 PID 2032 wrote to memory of 1908 2032 zujex.exe 29 PID 2032 wrote to memory of 1908 2032 zujex.exe 29 PID 2032 wrote to memory of 1908 2032 zujex.exe 29 PID 2032 wrote to memory of 1908 2032 zujex.exe 29 PID 2032 wrote to memory of 1908 2032 zujex.exe 29 PID 2032 wrote to memory of 1908 2032 zujex.exe 29 PID 2032 wrote to memory of 1908 2032 zujex.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe"C:\Users\Admin\AppData\Local\Temp\5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Users\Admin\AppData\Local\Temp\5b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381.exe712⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1220 -
C:\Users\Admin\zujex.exe"C:\Users\Admin\zujex.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Users\Admin\zujex.exe714⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1908
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
96KB
MD56f04b5d58a6b84ca41f96375003caf4b
SHA1cfcf538a4235a6ca21ad6e14f299b6bbb694027b
SHA2565b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381
SHA512be2f1f32197ae765721e86358f488097c728df35e96dc6f9f84a2749123a8b3f18eef59b74dd9aab04d2d9bc65a37a59316c6956480600d8b0a4edf58482d4e1
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Filesize
96KB
MD56f04b5d58a6b84ca41f96375003caf4b
SHA1cfcf538a4235a6ca21ad6e14f299b6bbb694027b
SHA2565b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381
SHA512be2f1f32197ae765721e86358f488097c728df35e96dc6f9f84a2749123a8b3f18eef59b74dd9aab04d2d9bc65a37a59316c6956480600d8b0a4edf58482d4e1
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Filesize
96KB
MD56f04b5d58a6b84ca41f96375003caf4b
SHA1cfcf538a4235a6ca21ad6e14f299b6bbb694027b
SHA2565b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381
SHA512be2f1f32197ae765721e86358f488097c728df35e96dc6f9f84a2749123a8b3f18eef59b74dd9aab04d2d9bc65a37a59316c6956480600d8b0a4edf58482d4e1
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Filesize
96KB
MD56f04b5d58a6b84ca41f96375003caf4b
SHA1cfcf538a4235a6ca21ad6e14f299b6bbb694027b
SHA2565b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381
SHA512be2f1f32197ae765721e86358f488097c728df35e96dc6f9f84a2749123a8b3f18eef59b74dd9aab04d2d9bc65a37a59316c6956480600d8b0a4edf58482d4e1
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Filesize
96KB
MD56f04b5d58a6b84ca41f96375003caf4b
SHA1cfcf538a4235a6ca21ad6e14f299b6bbb694027b
SHA2565b6bf0e3d152871891972b1851a75a662f794dfc5f105f85a2c59ed0c40cb381
SHA512be2f1f32197ae765721e86358f488097c728df35e96dc6f9f84a2749123a8b3f18eef59b74dd9aab04d2d9bc65a37a59316c6956480600d8b0a4edf58482d4e1