Analysis
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max time kernel
146s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
31-08-2024 02:08
Static task
static1
Behavioral task
behavioral1
Sample
52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe
Resource
win10v2004-20240802-en
General
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Target
52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe
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Size
14.6MB
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MD5
6e734800376974cd4fbe0fbc91e0a138
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SHA1
7711d0bc3c0e82526029b67473cc5ee222933497
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SHA256
52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e
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SHA512
911b78fc44b16cd3e3337a320513081dd65f0dd671b1847c35187e3b7ea9603f0f16d869fb355cecffc6f22d02b4b1212a9fa3151bdc361b790cd648cd374c86
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SSDEEP
98304:8wfDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDr:8w
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\ecfaceyz = "0" svchost.exe -
Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3056 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\ecfaceyz\ImagePath = "C:\\Windows\\SysWOW64\\ecfaceyz\\ejfxvyk.exe" svchost.exe -
Deletes itself 1 IoCs
Processes:
svchost.exepid process 1852 svchost.exe -
Executes dropped EXE 1 IoCs
Processes:
ejfxvyk.exepid process 2520 ejfxvyk.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ejfxvyk.exedescription pid process target process PID 2520 set thread context of 1852 2520 ejfxvyk.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 2708 sc.exe 2552 sc.exe 2572 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 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.
Processes:
cmd.exesc.exeejfxvyk.exesvchost.exe52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.execmd.exesc.exesc.exenetsh.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 ejfxvyk.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.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 sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of WriteProcessMemory 30 IoCs
Processes:
52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exeejfxvyk.exedescription pid process target process PID 2652 wrote to memory of 2752 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe cmd.exe PID 2652 wrote to memory of 2752 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe cmd.exe PID 2652 wrote to memory of 2752 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe cmd.exe PID 2652 wrote to memory of 2752 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe cmd.exe PID 2652 wrote to memory of 2744 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe cmd.exe PID 2652 wrote to memory of 2744 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe cmd.exe PID 2652 wrote to memory of 2744 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe cmd.exe PID 2652 wrote to memory of 2744 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe cmd.exe PID 2652 wrote to memory of 2708 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 2652 wrote to memory of 2708 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 2652 wrote to memory of 2708 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 2652 wrote to memory of 2708 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 2652 wrote to memory of 2552 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 2652 wrote to memory of 2552 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 2652 wrote to memory of 2552 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 2652 wrote to memory of 2552 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 2652 wrote to memory of 2572 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 2652 wrote to memory of 2572 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 2652 wrote to memory of 2572 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 2652 wrote to memory of 2572 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe sc.exe PID 2652 wrote to memory of 3056 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe netsh.exe PID 2652 wrote to memory of 3056 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe netsh.exe PID 2652 wrote to memory of 3056 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe netsh.exe PID 2652 wrote to memory of 3056 2652 52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe netsh.exe PID 2520 wrote to memory of 1852 2520 ejfxvyk.exe svchost.exe PID 2520 wrote to memory of 1852 2520 ejfxvyk.exe svchost.exe PID 2520 wrote to memory of 1852 2520 ejfxvyk.exe svchost.exe PID 2520 wrote to memory of 1852 2520 ejfxvyk.exe svchost.exe PID 2520 wrote to memory of 1852 2520 ejfxvyk.exe svchost.exe PID 2520 wrote to memory of 1852 2520 ejfxvyk.exe svchost.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe"C:\Users\Admin\AppData\Local\Temp\52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ecfaceyz\2⤵
- System Location Discovery: System Language Discovery
PID:2752 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ejfxvyk.exe" C:\Windows\SysWOW64\ecfaceyz\2⤵
- System Location Discovery: System Language Discovery
PID:2744 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create ecfaceyz binPath= "C:\Windows\SysWOW64\ecfaceyz\ejfxvyk.exe /d\"C:\Users\Admin\AppData\Local\Temp\52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe\"" type= own start= auto DisplayName= "wifi support"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2708 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description ecfaceyz "wifi internet conection"2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2552 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" start ecfaceyz2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:2572 -
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:3056
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C:\Windows\SysWOW64\ecfaceyz\ejfxvyk.exeC:\Windows\SysWOW64\ecfaceyz\ejfxvyk.exe /d"C:\Users\Admin\AppData\Local\Temp\52d959c6afd889d69fe66d351a34769888c62ce16a140cac88b1303bd772dc5e.exe"1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
- System Location Discovery: System Language Discovery
PID:1852
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
11.8MB
MD51eada439caf9472c30036e8ee009bde9
SHA1619c35fe5b95766ded254d003eb2b932f564be9c
SHA2563b350ba8cb8e4511a3ed7a3a805b00a36d1362d629a18d8791818b3f76641aec
SHA51297527b351dea950b9ac3234eb42a5ed0ffe919cd02ee2236b5c31fcf3f8c41a8436e8fabccde2126e19decbe069c3cf02aa8317f7a4b4de356d97a778478f220