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Analysis
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max time kernel
168s -
max time network
179s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25/11/2022, 15:36
Static task
static1
Behavioral task
behavioral1
Sample
02661ec88b960660a8dc9d8ff40874450b64e17bb12ad9a9131f9c7470d0d97c.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
02661ec88b960660a8dc9d8ff40874450b64e17bb12ad9a9131f9c7470d0d97c.exe
Resource
win10v2004-20220812-en
General
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Target
02661ec88b960660a8dc9d8ff40874450b64e17bb12ad9a9131f9c7470d0d97c.exe
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Size
24KB
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MD5
0b427dbaf40afeb9adfc4ab17833f4d7
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SHA1
b0fde89600438daaceac853953aa0e8c54ad19eb
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SHA256
02661ec88b960660a8dc9d8ff40874450b64e17bb12ad9a9131f9c7470d0d97c
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SHA512
05da037b7e581d5853c919c12cf7b240c6951deae17bc9ff48300f1755e8ce438c7892c4d7aa17da2e8370996d4c87b81be0ef3db35e9a1dabc39a21d5a7a214
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SSDEEP
384:VYVF8MzzsrpP2/hvIx0tLbt1cqyHDOKP3RMFuEwqnW22XzRn6WybPdoOOuK+f:IFLzqpKpIxO3yjAFxwX22jR9ybPH
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3440 putpue.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\putpue.exe 02661ec88b960660a8dc9d8ff40874450b64e17bb12ad9a9131f9c7470d0d97c.exe File opened for modification C:\Windows\SysWOW64\putpue.exe 02661ec88b960660a8dc9d8ff40874450b64e17bb12ad9a9131f9c7470d0d97c.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 putpue.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz putpue.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2024 02661ec88b960660a8dc9d8ff40874450b64e17bb12ad9a9131f9c7470d0d97c.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2024 wrote to memory of 3096 2024 02661ec88b960660a8dc9d8ff40874450b64e17bb12ad9a9131f9c7470d0d97c.exe 81 PID 2024 wrote to memory of 3096 2024 02661ec88b960660a8dc9d8ff40874450b64e17bb12ad9a9131f9c7470d0d97c.exe 81 PID 2024 wrote to memory of 3096 2024 02661ec88b960660a8dc9d8ff40874450b64e17bb12ad9a9131f9c7470d0d97c.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\02661ec88b960660a8dc9d8ff40874450b64e17bb12ad9a9131f9c7470d0d97c.exe"C:\Users\Admin\AppData\Local\Temp\02661ec88b960660a8dc9d8ff40874450b64e17bb12ad9a9131f9c7470d0d97c.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\02661E~1.EXE > nul2⤵PID:3096
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C:\Windows\SysWOW64\putpue.exeC:\Windows\SysWOW64\putpue.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:3440
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
24KB
MD50b427dbaf40afeb9adfc4ab17833f4d7
SHA1b0fde89600438daaceac853953aa0e8c54ad19eb
SHA25602661ec88b960660a8dc9d8ff40874450b64e17bb12ad9a9131f9c7470d0d97c
SHA51205da037b7e581d5853c919c12cf7b240c6951deae17bc9ff48300f1755e8ce438c7892c4d7aa17da2e8370996d4c87b81be0ef3db35e9a1dabc39a21d5a7a214
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Filesize
24KB
MD50b427dbaf40afeb9adfc4ab17833f4d7
SHA1b0fde89600438daaceac853953aa0e8c54ad19eb
SHA25602661ec88b960660a8dc9d8ff40874450b64e17bb12ad9a9131f9c7470d0d97c
SHA51205da037b7e581d5853c919c12cf7b240c6951deae17bc9ff48300f1755e8ce438c7892c4d7aa17da2e8370996d4c87b81be0ef3db35e9a1dabc39a21d5a7a214