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Analysis
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max time kernel
142s -
max time network
161s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
26/12/2023, 13:54
Static task
static1
Behavioral task
behavioral1
Sample
73a6c94086c2d8e464f4dd178dfdd3e0.exe
Resource
win7-20231215-en
General
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Target
73a6c94086c2d8e464f4dd178dfdd3e0.exe
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Size
119KB
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MD5
73a6c94086c2d8e464f4dd178dfdd3e0
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SHA1
0e91b40022ac78375fcf66751ee45794331a10e8
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SHA256
bdd89c26fd26a0baf92a21e6aafbc29d98c5dfae091c5de966ccc5855f9b454b
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SHA512
86c0d3feff43e6a0ba21feab25b19e238e06fc4f23ee6da2e03db4f1972f314e396994ac0378a9e01b554e55b1de4cdbf5208d37ce0a61ab2560664a9f71efa6
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SSDEEP
3072:1rvYsJDoTbT+3r6iJiYHqYJGBWzcJvHJ:CjA6mzjJGBC4v
Malware Config
Signatures
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Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" qwert.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" qwert.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" qwert.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" qwert.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" qwert.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" qwert.exe -
Looks for VMWare Tools registry key 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools 73a6c94086c2d8e464f4dd178dfdd3e0.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools qwert.exe -
Deletes itself 1 IoCs
pid Process 1944 qwert.exe -
Executes dropped EXE 1 IoCs
pid Process 1944 qwert.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" qwert.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" qwert.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" qwert.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" qwert.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" qwert.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat qwert.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\qwert.exe 73a6c94086c2d8e464f4dd178dfdd3e0.exe File opened for modification C:\Windows\qwert.exe 73a6c94086c2d8e464f4dd178dfdd3e0.exe -
Modifies data under HKEY_USERS 6 IoCs
description ioc Process Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 qwert.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings qwert.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections qwert.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 qwert.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings qwert.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" qwert.exe -
Modifies registry class 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" 73a6c94086c2d8e464f4dd178dfdd3e0.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key qwert.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile" qwert.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.key 73a6c94086c2d8e464f4dd178dfdd3e0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\73a6c94086c2d8e464f4dd178dfdd3e0.exe"C:\Users\Admin\AppData\Local\Temp\73a6c94086c2d8e464f4dd178dfdd3e0.exe"1⤵
- Looks for VMWare Tools registry key
- Drops file in Windows directory
- Modifies registry class
PID:2284
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C:\Windows\qwert.exe"C:\Windows\qwert.exe"1⤵
- Modifies security service
- Windows security bypass
- Looks for VMWare Tools registry key
- Deletes itself
- Executes dropped EXE
- Windows security modification
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Modifies registry class
PID:1944
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
119KB
MD573a6c94086c2d8e464f4dd178dfdd3e0
SHA10e91b40022ac78375fcf66751ee45794331a10e8
SHA256bdd89c26fd26a0baf92a21e6aafbc29d98c5dfae091c5de966ccc5855f9b454b
SHA51286c0d3feff43e6a0ba21feab25b19e238e06fc4f23ee6da2e03db4f1972f314e396994ac0378a9e01b554e55b1de4cdbf5208d37ce0a61ab2560664a9f71efa6