Analysis
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max time kernel
42s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
30-05-2022 16:44
Static task
static1
Behavioral task
behavioral1
Sample
09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe
Resource
win10v2004-20220414-en
General
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Target
09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe
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Size
187KB
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MD5
cf4335ed8c85a5169f75e2436b92fbe1
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SHA1
1d71b7f827ff9ae02fe187164fe1c7b10710750f
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SHA256
09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4
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SHA512
2ec890419a273ccd363d4a3db571717ee6c9e40b290fd1c26f48c762cbf7cb4c63120c513c9b40aa87d7578f9be3b623d4566a6bbb17b1194742c4fbb9d97f48
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
winwdwh.exepid process 996 winwdwh.exe -
Loads dropped DLL 2 IoCs
Processes:
09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exepid process 1396 09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe 1396 09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update 94949499393 = "C:\\Windows\\55189332144610667\\winwdwh.exe" 09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe Set value (str) \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update 94949499393 = "C:\\Windows\\55189332144610667\\winwdwh.exe" 09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe -
Drops file in Windows directory 3 IoCs
Processes:
09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exedescription ioc process File created C:\Windows\55189332144610667\winwdwh.exe 09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe File opened for modification C:\Windows\55189332144610667\winwdwh.exe 09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe File opened for modification C:\Windows\55189332144610667 09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exedescription pid process target process PID 1396 wrote to memory of 996 1396 09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe winwdwh.exe PID 1396 wrote to memory of 996 1396 09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe winwdwh.exe PID 1396 wrote to memory of 996 1396 09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe winwdwh.exe PID 1396 wrote to memory of 996 1396 09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe winwdwh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe"C:\Users\Admin\AppData\Local\Temp\09fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
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C:\Windows\55189332144610667\winwdwh.exeC:\Windows\55189332144610667\winwdwh.exe2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\55189332144610667\winwdwh.exeFilesize
187KB
MD5cf4335ed8c85a5169f75e2436b92fbe1
SHA11d71b7f827ff9ae02fe187164fe1c7b10710750f
SHA25609fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4
SHA5122ec890419a273ccd363d4a3db571717ee6c9e40b290fd1c26f48c762cbf7cb4c63120c513c9b40aa87d7578f9be3b623d4566a6bbb17b1194742c4fbb9d97f48
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\Windows\55189332144610667\winwdwh.exeFilesize
187KB
MD5cf4335ed8c85a5169f75e2436b92fbe1
SHA11d71b7f827ff9ae02fe187164fe1c7b10710750f
SHA25609fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4
SHA5122ec890419a273ccd363d4a3db571717ee6c9e40b290fd1c26f48c762cbf7cb4c63120c513c9b40aa87d7578f9be3b623d4566a6bbb17b1194742c4fbb9d97f48
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\Windows\55189332144610667\winwdwh.exeFilesize
187KB
MD5cf4335ed8c85a5169f75e2436b92fbe1
SHA11d71b7f827ff9ae02fe187164fe1c7b10710750f
SHA25609fe7418de08ba5494e93c2404556dde88a03f440ead6323a2c6ec36f23a0fc4
SHA5122ec890419a273ccd363d4a3db571717ee6c9e40b290fd1c26f48c762cbf7cb4c63120c513c9b40aa87d7578f9be3b623d4566a6bbb17b1194742c4fbb9d97f48
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memory/996-60-0x0000000000000000-mapping.dmp
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memory/996-63-0x00000000006F4000-0x00000000006F8000-memory.dmpFilesize
16KB
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memory/996-64-0x00000000006F4000-0x00000000006F8000-memory.dmpFilesize
16KB
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memory/996-65-0x0000000000400000-0x000000000059F000-memory.dmpFilesize
1.6MB
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memory/1396-54-0x0000000075C71000-0x0000000075C73000-memory.dmpFilesize
8KB
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memory/1396-55-0x0000000000734000-0x0000000000738000-memory.dmpFilesize
16KB
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memory/1396-56-0x0000000000734000-0x0000000000738000-memory.dmpFilesize
16KB
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memory/1396-57-0x0000000000400000-0x000000000059F000-memory.dmpFilesize
1.6MB