Analysis
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max time kernel
100s -
max time network
102s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241023-en -
resource tags
arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system -
submitted
29-11-2024 03:40
Static task
static1
Behavioral task
behavioral1
Sample
cerber.exe
Resource
win10ltsc2021-20241023-en
Behavioral task
behavioral2
Sample
cerber.exe
Resource
win10ltsc2021-20241023-en
General
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Target
cerber.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\Office\DLP\mip\_R_E_A_D___T_H_I_S___VVTZYS1_.txt
cerber
http://p27dokhpz2n7nvgr.onion/BBAA-00B8-D2A1-0446-92C3
http://p27dokhpz2n7nvgr.12hygy.top/BBAA-00B8-D2A1-0446-92C3
http://p27dokhpz2n7nvgr.14ewqv.top/BBAA-00B8-D2A1-0446-92C3
http://p27dokhpz2n7nvgr.14vvrc.top/BBAA-00B8-D2A1-0446-92C3
http://p27dokhpz2n7nvgr.129p1t.top/BBAA-00B8-D2A1-0446-92C3
http://p27dokhpz2n7nvgr.1apgrn.top/BBAA-00B8-D2A1-0446-92C3
Extracted
C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___2E7TS5_.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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Cerber family
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Contacts a large (1097) 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 680 netsh.exe 2884 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-1-5-21-4152190078-1497776152-96910572-1000\Control Panel\International\Geo\Nation cerber.exe -
Drops file in System32 directory 38 IoCs
description ioc Process File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\office cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\onenote cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\office cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\powerpoint cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\word cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\microsoft sql server cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\office cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\onenote cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\outlook cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\powerpoint cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\outlook cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\steam cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\the bat! cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\excel cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\word cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\powerpoint cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\documents cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\outlook cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\powerpoint cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\word cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\steam cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\thunderbird cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\desktop cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft sql server cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\bitcoin cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\excel cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\onenote cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\thunderbird cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\bitcoin cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\outlook cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\microsoft sql server cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft sql server cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\excel cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\office cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\the bat! cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\excel cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\onenote cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\word cerber.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4152190078-1497776152-96910572-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmp9A3C.bmp" cerber.exe -
Drops file in Program Files directory 20 IoCs
description ioc Process File opened for modification \??\c:\program files (x86)\microsoft sql server cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\excel cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\office cerber.exe File opened for modification \??\c:\program files (x86)\excel cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\onenote cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\powerpoint cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\word cerber.exe File opened for modification \??\c:\program files (x86)\office cerber.exe File opened for modification \??\c:\program files (x86)\onenote cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\microsoft sql server cerber.exe File opened for modification \??\c:\program files (x86)\steam cerber.exe File opened for modification \??\c:\program files (x86)\word cerber.exe File opened for modification \??\c:\program files (x86)\powerpoint cerber.exe File opened for modification \??\c:\program files (x86)\ cerber.exe File opened for modification \??\c:\program files (x86)\bitcoin cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\outlook cerber.exe File opened for modification \??\c:\program files (x86)\outlook cerber.exe File opened for modification \??\c:\program files (x86)\the bat! cerber.exe File opened for modification \??\c:\program files (x86)\thunderbird cerber.exe File opened for modification \??\c:\program files\ cerber.exe -
Drops file in Windows directory 64 IoCs
description ioc Process File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\outlook cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\powerpoint cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\thunderbird cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\desktop cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\desktop cerber.exe File opened for modification \??\c:\windows\ cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\office cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\onenote cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\powerpoint cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\office cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\steam cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\the bat! cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\word cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\onenote cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\outlook cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\outlook cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\word cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\excel cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\excel cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\onenote cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\outlook cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\outlook cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\word cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\steam cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\bitcoin cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\thunderbird cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\word cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\onenote cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\office cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\powerpoint cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\word cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\excel cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\microsoft sql server cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\thunderbird cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\documents cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\office cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\powerpoint cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft sql server cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\powerpoint cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\onenote cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\steam cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft sql server cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\excel cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft sql server cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft sql server cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\microsoft sql server cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\word cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\office cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\powerpoint cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\powerpoint cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\thunderbird cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\bitcoin cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\excel cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\microsoft sql server cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\outlook cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\outlook cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\onenote cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\onenote cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\documents cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\office cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\word cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\the bat! cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\word cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\bitcoin cerber.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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cerber.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4728 PING.EXE -
Kills process with taskkill 1 IoCs
pid Process 668 taskkill.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4152190078-1497776152-96910572-1000_Classes\Local Settings cerber.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 1544 NOTEPAD.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4728 PING.EXE -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeShutdownPrivilege 4332 cerber.exe Token: SeCreatePagefilePrivilege 4332 cerber.exe Token: SeDebugPrivilege 668 taskkill.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4332 wrote to memory of 680 4332 cerber.exe 82 PID 4332 wrote to memory of 680 4332 cerber.exe 82 PID 4332 wrote to memory of 680 4332 cerber.exe 82 PID 4332 wrote to memory of 2884 4332 cerber.exe 84 PID 4332 wrote to memory of 2884 4332 cerber.exe 84 PID 4332 wrote to memory of 2884 4332 cerber.exe 84 PID 4332 wrote to memory of 4684 4332 cerber.exe 93 PID 4332 wrote to memory of 4684 4332 cerber.exe 93 PID 4332 wrote to memory of 4684 4332 cerber.exe 93 PID 4332 wrote to memory of 1544 4332 cerber.exe 94 PID 4332 wrote to memory of 1544 4332 cerber.exe 94 PID 4332 wrote to memory of 1544 4332 cerber.exe 94 PID 4332 wrote to memory of 2928 4332 cerber.exe 97 PID 4332 wrote to memory of 2928 4332 cerber.exe 97 PID 4332 wrote to memory of 2928 4332 cerber.exe 97 PID 2928 wrote to memory of 668 2928 cmd.exe 99 PID 2928 wrote to memory of 668 2928 cmd.exe 99 PID 2928 wrote to memory of 668 2928 cmd.exe 99 PID 2928 wrote to memory of 4728 2928 cmd.exe 100 PID 2928 wrote to memory of 4728 2928 cmd.exe 100 PID 2928 wrote to memory of 4728 2928 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\cerber.exe"C:\Users\Admin\AppData\Local\Temp\cerber.exe"1⤵
- Checks computer location settings
- 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:4332 -
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:680
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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:2884
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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___WGVYD_.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵
- System Location Discovery: System Language Discovery
PID:4684
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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___STKIZBO_.txt2⤵
- System Location Discovery: System Language Discovery
- Opens file in notepad (likely ransom note)
PID:1544
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2928 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im "cerber.exe"3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:668
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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:4728
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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
MD52dc368b07de0f46733fdae7100f82bea
SHA18a5cb10662b990ea1024aa543cfd0f23c82c7dde
SHA256351f4eea501358e0c81e9e3e6fce53a26ffb86887b354e067b137938685d26a3
SHA512d81e4c2b89410a95711b86d21259a80b41e85db3d540b1c7544ff5fa66ef0ac8c95b78e639b6a0de6eba7f19db6ee5fb36a899fe1755375ebba751e36a1a591b
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Filesize
75KB
MD5f47ce066fa2078f1900af362db21a0fc
SHA172cd124f3aa4e65f13dcd19fc0b65400557b103b
SHA2569cd3d83d8039cf21c54bda0518db9c09c20985c5a26312151de43f34412670f0
SHA51205359806c75bd3b143729ca26050a07c156a6a858a8249cbc76cba9feb4998dfdab6fca04444f5fe76acdda398ec518878272180a18f18e6db6188ce9000f3c3