Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
01-09-2024 09:50
Static task
static1
Behavioral task
behavioral1
Sample
d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe
Resource
win10v2004-20240802-en
General
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Target
d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe
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Size
10.6MB
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MD5
32cbda26c9835c1c63f2fed688fb5bb9
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SHA1
1b8b5445b2ff31e5377c0a2297672bf656695777
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SHA256
d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4
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SHA512
34246c7b622d4ff88c401d25da883962dfba46c878bf9387f3b72942add8ccfe1785b4c5dfbacfcbbc1a3f40e866cc701ce2ff8f2334868ae16b150e61de4e5e
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SSDEEP
12288:KQeoegEG/Rl1M7jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjz:KQeGX1M
Malware Config
Extracted
tofsee
defeatwax.ru
refabyd.info
Signatures
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Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\ydvzkzrx = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 2636 netsh.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\ydvzkzrx\ImagePath = "C:\\Windows\\SysWOW64\\ydvzkzrx\\wmhtnzdv.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 2000 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
wmhtnzdv.exepid process 2784 wmhtnzdv.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
wmhtnzdv.exedescription pid process target process PID 2784 set thread context of 2000 2784 wmhtnzdv.exe svchost.exe -
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exepid process 2704 sc.exe 2660 sc.exe 1748 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.
Processes:
netsh.exedescription ioc process Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \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.
Processes:
cmd.exesc.exesc.exenetsh.exesvchost.exed26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.execmd.exesc.exewmhtnzdv.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.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 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wmhtnzdv.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exewmhtnzdv.exedescription pid process target process PID 2472 wrote to memory of 1616 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe cmd.exe PID 2472 wrote to memory of 1616 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe cmd.exe PID 2472 wrote to memory of 1616 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe cmd.exe PID 2472 wrote to memory of 1616 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe cmd.exe PID 2472 wrote to memory of 2684 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe cmd.exe PID 2472 wrote to memory of 2684 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe cmd.exe PID 2472 wrote to memory of 2684 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe cmd.exe PID 2472 wrote to memory of 2684 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe cmd.exe PID 2472 wrote to memory of 1748 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe sc.exe PID 2472 wrote to memory of 1748 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe sc.exe PID 2472 wrote to memory of 1748 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe sc.exe PID 2472 wrote to memory of 1748 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe sc.exe PID 2472 wrote to memory of 2704 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe sc.exe PID 2472 wrote to memory of 2704 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe sc.exe PID 2472 wrote to memory of 2704 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe sc.exe PID 2472 wrote to memory of 2704 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe sc.exe PID 2472 wrote to memory of 2660 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe sc.exe PID 2472 wrote to memory of 2660 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe sc.exe PID 2472 wrote to memory of 2660 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe sc.exe PID 2472 wrote to memory of 2660 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe sc.exe PID 2472 wrote to memory of 2636 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe netsh.exe PID 2472 wrote to memory of 2636 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe netsh.exe PID 2472 wrote to memory of 2636 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe netsh.exe PID 2472 wrote to memory of 2636 2472 d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe netsh.exe PID 2784 wrote to memory of 2000 2784 wmhtnzdv.exe svchost.exe PID 2784 wrote to memory of 2000 2784 wmhtnzdv.exe svchost.exe PID 2784 wrote to memory of 2000 2784 wmhtnzdv.exe svchost.exe PID 2784 wrote to memory of 2000 2784 wmhtnzdv.exe svchost.exe PID 2784 wrote to memory of 2000 2784 wmhtnzdv.exe svchost.exe PID 2784 wrote to memory of 2000 2784 wmhtnzdv.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe"C:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ydvzkzrx\2⤵
- System Location Discovery: System Language Discovery
PID:1616 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wmhtnzdv.exe" C:\Windows\SysWOW64\ydvzkzrx\2⤵
- System Location Discovery: System Language Discovery
PID:2684 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create ydvzkzrx binPath= "C:\Windows\SysWOW64\ydvzkzrx\wmhtnzdv.exe /d\"C:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:1748 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description ydvzkzrx "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2704 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start ydvzkzrx2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2660 -
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:2636
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C:\Windows\SysWOW64\ydvzkzrx\wmhtnzdv.exeC:\Windows\SysWOW64\ydvzkzrx\wmhtnzdv.exe /d"C:\Users\Admin\AppData\Local\Temp\d26320c9bf38d0c8da62667729d9c28c8c9a71bb1395bf33dff11b59cda8f6c4.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2784 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2000
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
13.1MB
MD57cf343d053eac6a5db663dcc6e5e932d
SHA1a46f4de5fa9f09d910c01a4732d06124a8653f8e
SHA25643b1d8d9f237fbbc684e3fb417432b1419f7f20015e269566d6967898cf27766
SHA512a2f2762d08e4025f962d5c6b761720b95f6fe7017ec71287a448439e6f6b905d71ca40ccc378e4d356c221221fefa17a24f71346c829f54d71b5c5d77aa3192d