Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-10-2024 01:44
Static task
static1
Behavioral task
behavioral1
Sample
Act 3.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Act 3.exe
Resource
win10v2004-20241007-en
General
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Target
Act 3.exe
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Size
604KB
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MD5
8b6bc16fd137c09a08b02bbe1bb7d670
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SHA1
c69a0f6c6f809c01db92ca658fcf1b643391a2b7
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SHA256
e67834d1e8b38ec5864cfa101b140aeaba8f1900a6e269e6a94c90fcbfe56678
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SHA512
b53d2cc0fe5fa52262ace9f6e6ea3f5ce84935009822a3394bfe49c4d15dfeaa96bfe10ce77ffa93dbf81e5428122aa739a94bc709f203bc346597004fd75a24
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SSDEEP
6144:yYghlI5/u8f1mr+4RJ99MpDa52RX5wRDhOOU0qsR:yYKlYmDXEpDHRXP01
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\_R_E_A_D___T_H_I_S___O4YI8QF_.txt
cerber
http://p27dokhpz2n7nvgr.onion/2FF5-FC95-46A9-0446-986B
http://p27dokhpz2n7nvgr.12hygy.top/2FF5-FC95-46A9-0446-986B
http://p27dokhpz2n7nvgr.14ewqv.top/2FF5-FC95-46A9-0446-986B
http://p27dokhpz2n7nvgr.14vvrc.top/2FF5-FC95-46A9-0446-986B
http://p27dokhpz2n7nvgr.129p1t.top/2FF5-FC95-46A9-0446-986B
http://p27dokhpz2n7nvgr.1apgrn.top/2FF5-FC95-46A9-0446-986B
Extracted
C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___LR8M50XW_.hta
cerber
Signatures
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Cerber
Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.
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Contacts a large (1094) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Modifies Windows Firewall 2 TTPs 2 IoCs
pid Process 4312 netsh.exe 1144 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation Act 3.exe -
Drops startup file 1 IoCs
description ioc Process File opened for modification \??\c:\users\admin\appdata\roaming\microsoft\word\startup\ Act 3.exe -
Drops file in System32 directory 38 IoCs
description ioc Process File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\outlook Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\onenote Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\steam Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\steam Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\onenote Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\office Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\powerpoint Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\powerpoint Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\thunderbird Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\excel Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\excel Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\office Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\onenote Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft sql server Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\bitcoin Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\excel Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\office Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\word Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\word Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\desktop Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\bitcoin Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\microsoft sql server Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\onenote Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\word Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft sql server Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\outlook Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\powerpoint Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\outlook Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\word Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\excel Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\outlook Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\the bat! Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\the bat! Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\thunderbird Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\documents Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\powerpoint Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\office Act 3.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\microsoft sql server Act 3.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmpED2F.bmp" Act 3.exe -
Drops file in Program Files directory 20 IoCs
description ioc Process File opened for modification \??\c:\program files (x86)\ Act 3.exe File opened for modification \??\c:\program files (x86)\microsoft\excel Act 3.exe File opened for modification \??\c:\program files (x86)\outlook Act 3.exe File opened for modification \??\c:\program files (x86)\onenote Act 3.exe File opened for modification \??\c:\program files (x86)\powerpoint Act 3.exe File opened for modification \??\c:\program files (x86)\steam Act 3.exe File opened for modification \??\c:\program files\ Act 3.exe File opened for modification \??\c:\program files (x86)\bitcoin Act 3.exe File opened for modification \??\c:\program files (x86)\excel Act 3.exe File opened for modification \??\c:\program files (x86)\microsoft\microsoft sql server Act 3.exe File opened for modification \??\c:\program files (x86)\microsoft\word Act 3.exe File opened for modification \??\c:\program files (x86)\thunderbird Act 3.exe File opened for modification \??\c:\program files (x86)\word Act 3.exe File opened for modification \??\c:\program files (x86)\microsoft sql server Act 3.exe File opened for modification \??\c:\program files (x86)\microsoft\onenote Act 3.exe File opened for modification \??\c:\program files (x86)\microsoft\outlook Act 3.exe File opened for modification \??\c:\program files (x86)\microsoft\powerpoint Act 3.exe File opened for modification \??\c:\program files (x86)\the bat! Act 3.exe File opened for modification \??\c:\program files (x86)\microsoft\office Act 3.exe File opened for modification \??\c:\program files (x86)\office Act 3.exe -
Drops file in Windows directory 64 IoCs
description ioc Process File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\powerpoint Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\office Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\outlook Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\the bat! Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\outlook Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\word Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\documents Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\onenote Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft sql server Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft sql server Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\excel Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\outlook Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\powerpoint Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\steam Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\bitcoin Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\thunderbird Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\word Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\thunderbird Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\microsoft sql server Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\powerpoint Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\onenote Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\steam Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft sql server Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\excel Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\onenote Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\powerpoint Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\the bat! Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\word Act 3.exe File opened for modification \??\c:\windows\ Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\onenote Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\office Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\the bat! Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\documents Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\office Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\word Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\powerpoint Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\thunderbird Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\excel Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft sql server Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\excel Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\microsoft sql server Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\thunderbird Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\desktop Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\microsoft sql server Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\microsoft sql server Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\onenote Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\outlook Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\office Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\onenote Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\outlook Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\powerpoint Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\bitcoin Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\desktop Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\powerpoint Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\office Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\onenote Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\powerpoint Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\excel Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\steam Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\bitcoin Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\excel Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\excel Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\outlook Act 3.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\word Act 3.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 6 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 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 8 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 Act 3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mshta.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NOTEPAD.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 548 PING.EXE -
Kills process with taskkill 1 IoCs
pid Process 1196 taskkill.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings Act 3.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3728 NOTEPAD.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 548 PING.EXE -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeShutdownPrivilege 3440 Act 3.exe Token: SeCreatePagefilePrivilege 3440 Act 3.exe Token: SeDebugPrivilege 1196 taskkill.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3440 wrote to memory of 4312 3440 Act 3.exe 84 PID 3440 wrote to memory of 4312 3440 Act 3.exe 84 PID 3440 wrote to memory of 4312 3440 Act 3.exe 84 PID 3440 wrote to memory of 1144 3440 Act 3.exe 86 PID 3440 wrote to memory of 1144 3440 Act 3.exe 86 PID 3440 wrote to memory of 1144 3440 Act 3.exe 86 PID 3440 wrote to memory of 4268 3440 Act 3.exe 89 PID 3440 wrote to memory of 4268 3440 Act 3.exe 89 PID 3440 wrote to memory of 4268 3440 Act 3.exe 89 PID 3440 wrote to memory of 3728 3440 Act 3.exe 90 PID 3440 wrote to memory of 3728 3440 Act 3.exe 90 PID 3440 wrote to memory of 3728 3440 Act 3.exe 90 PID 3440 wrote to memory of 4884 3440 Act 3.exe 92 PID 3440 wrote to memory of 4884 3440 Act 3.exe 92 PID 3440 wrote to memory of 4884 3440 Act 3.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\Act 3.exe"C:\Users\Admin\AppData\Local\Temp\Act 3.exe"1⤵
- Checks computer location settings
- Drops startup file
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Windows\SysWOW64\netsh.exeC:\Windows\system32\netsh.exe advfirewall set allprofiles state on2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:4312
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C:\Windows\SysWOW64\netsh.exeC:\Windows\system32\netsh.exe advfirewall reset2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:1144
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___VHN0RN_.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵
- System Location Discovery: System Language Discovery
PID:4268
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___EU6BBU00_.txt2⤵
- System Location Discovery: System Language Discovery
- Opens file in notepad (likely ransom note)
PID:3728
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- System Location Discovery: System Language Discovery
PID:4884 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im "Act 3.exe"3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1196
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C:\Windows\SysWOW64\PING.EXEping -n 1 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:548
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Network
MITRE ATT&CK Enterprise v15
Persistence
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD586646e6a6c29bced73ebb6bd5aad9ee5
SHA14ef65c919ff736492c9f616c65436f35b34eadb1
SHA256631fe8123392f6977459eb765cb04211f43ecbb01ee1638468c98f425e080914
SHA512bcdf341484a29ee05f9e8aa511b9d30cf5ce0ee302ca307bfd650e15fa98c29bd1b67c174b05060b9e566a4e1153076a4340b3ebb4904ed0ceef802377ae8397
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Filesize
75KB
MD54a7edd975eb73443148861289de7a7da
SHA15ae4ac4a521592faa0c1460ed37659a24a8e9c6e
SHA256f2595203c33242819af2f8d8196ae86fcdb0260b7a8e0a67d43cd29a51eabc52
SHA51276e797f6cbadfcdf5ef9456e36d7db2648af0a9d56d6955820be499436eb9f5b0ce8cdfc0d1445ee0546ae56aedd51ed1430e1df01027c2e7b22133f1c510f98