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Analysis
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max time kernel
145s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
31/08/2024, 13:09
Static task
static1
Behavioral task
behavioral1
Sample
072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe
Resource
win10v2004-20240802-en
General
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Target
072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe
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Size
13.6MB
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MD5
b5b559ae20ec80c26ec50afd2d077f53
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SHA1
4553fc5937302711ee5e74a881c7fd4acd119e5b
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SHA256
072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd
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SHA512
dadb525483641f1574c5efcb48cc2c1333d34145b1b7e6386afa9f3e64db7ce45bbe4fc70f2656a997ec42e839bc73cb4c641bd97061e95d712c476f5573cdfd
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SSDEEP
196608:aI+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++2:a
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\iduyeemf = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2252 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\iduyeemf\ImagePath = "C:\\Windows\\SysWOW64\\iduyeemf\\bexfdfnx.exe" svchost.exe -
Deletes itself 1 IoCs
pid Process 2724 svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 2808 bexfdfnx.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2808 set thread context of 2724 2808 bexfdfnx.exe 43 -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 1156 sc.exe 2816 sc.exe 2916 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 9 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 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bexfdfnx.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 2372 wrote to memory of 2692 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 30 PID 2372 wrote to memory of 2692 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 30 PID 2372 wrote to memory of 2692 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 30 PID 2372 wrote to memory of 2692 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 30 PID 2372 wrote to memory of 1824 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 32 PID 2372 wrote to memory of 1824 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 32 PID 2372 wrote to memory of 1824 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 32 PID 2372 wrote to memory of 1824 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 32 PID 2372 wrote to memory of 2916 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 34 PID 2372 wrote to memory of 2916 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 34 PID 2372 wrote to memory of 2916 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 34 PID 2372 wrote to memory of 2916 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 34 PID 2372 wrote to memory of 1156 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 36 PID 2372 wrote to memory of 1156 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 36 PID 2372 wrote to memory of 1156 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 36 PID 2372 wrote to memory of 1156 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 36 PID 2372 wrote to memory of 2816 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 38 PID 2372 wrote to memory of 2816 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 38 PID 2372 wrote to memory of 2816 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 38 PID 2372 wrote to memory of 2816 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 38 PID 2372 wrote to memory of 2252 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 41 PID 2372 wrote to memory of 2252 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 41 PID 2372 wrote to memory of 2252 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 41 PID 2372 wrote to memory of 2252 2372 072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe 41 PID 2808 wrote to memory of 2724 2808 bexfdfnx.exe 43 PID 2808 wrote to memory of 2724 2808 bexfdfnx.exe 43 PID 2808 wrote to memory of 2724 2808 bexfdfnx.exe 43 PID 2808 wrote to memory of 2724 2808 bexfdfnx.exe 43 PID 2808 wrote to memory of 2724 2808 bexfdfnx.exe 43 PID 2808 wrote to memory of 2724 2808 bexfdfnx.exe 43
Processes
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C:\Users\Admin\AppData\Local\Temp\072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe"C:\Users\Admin\AppData\Local\Temp\072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iduyeemf\2⤵
- System Location Discovery: System Language Discovery
PID:2692
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bexfdfnx.exe" C:\Windows\SysWOW64\iduyeemf\2⤵
- System Location Discovery: System Language Discovery
PID:1824
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create iduyeemf binPath= "C:\Windows\SysWOW64\iduyeemf\bexfdfnx.exe /d\"C:\Users\Admin\AppData\Local\Temp\072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2916
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description iduyeemf "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1156
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start iduyeemf2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2816
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C:\Windows\SysWOW64\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2252
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C:\Windows\SysWOW64\iduyeemf\bexfdfnx.exeC:\Windows\SysWOW64\iduyeemf\bexfdfnx.exe /d"C:\Users\Admin\AppData\Local\Temp\072e795c44b87d1eb54005be791e75db47cb9717e43b300d3e27b6c9d99523fd.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2724
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Disable or Modify Tools
1Modify Registry
2Replay Monitor
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Downloads
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Filesize
13.4MB
MD5a9e0fba0a212c192b23eaba74a4aaca9
SHA1ed41e0065750d177257e23614ad6e01263e833e3
SHA2567235ad0a4c22ceeb1ba372d9803b2a3a686c7e6f317ae6a9c64c474a23fcdb23
SHA5120f0f5c3906db222d76b39e69f9ed9553c4c9b87f21d72750e208ed582f934060f075a13589546492aef205e5dc17e8a56538bcea12993e7c5f1134e42552dcce