Analysis
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max time kernel
64s -
max time network
66s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 20:09
Static task
static1
Behavioral task
behavioral1
Sample
cerber.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
cerber.exe
Resource
win10v2004-20240611-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\OneNote\16.0\cache\_R_E_A_D___T_H_I_S___78MKS_.txt
cerber
http://p27dokhpz2n7nvgr.onion/C582-FDE3-1A97-0446-907B
http://p27dokhpz2n7nvgr.12hygy.top/C582-FDE3-1A97-0446-907B
http://p27dokhpz2n7nvgr.14ewqv.top/C582-FDE3-1A97-0446-907B
http://p27dokhpz2n7nvgr.14vvrc.top/C582-FDE3-1A97-0446-907B
http://p27dokhpz2n7nvgr.129p1t.top/C582-FDE3-1A97-0446-907B
http://p27dokhpz2n7nvgr.1apgrn.top/C582-FDE3-1A97-0446-907B
Extracted
C:\Users\Admin\AppData\Local\Microsoft\OneNote\16.0\cache\_R_E_A_D___T_H_I_S___4KMT_.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 (1102) 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 4660 netsh.exe 5524 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-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation cerber.exe -
Drops startup file 1 IoCs
description ioc Process File opened for modification \??\c:\users\admin\appdata\roaming\microsoft\word\startup\ cerber.exe -
Drops file in System32 directory 38 IoCs
description ioc Process File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\the bat! 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 sql server cerber.exe 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\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\local\office 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\local\powerpoint 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\excel 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\local\microsoft\microsoft sql server 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\microsoft\powerpoint 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\roaming\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\local\excel 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\local\outlook 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\local\microsoft\outlook cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\roaming\microsoft\word 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\roaming\microsoft\microsoft sql server 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\roaming\thunderbird 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\onenote 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\desktop 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\bitcoin cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\appdata\local\microsoft\excel cerber.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmp7EB5.bmp" cerber.exe -
Drops file in Program Files directory 20 IoCs
description ioc Process 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 (x86)\bitcoin cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\outlook cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\word cerber.exe File opened for modification \??\c:\program files (x86)\powerpoint cerber.exe File opened for modification \??\c:\program files (x86)\excel cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\excel cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\onenote cerber.exe File opened for modification \??\c:\program files (x86)\outlook cerber.exe File opened for modification \??\c:\program files (x86)\word cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\microsoft sql server cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\powerpoint cerber.exe File opened for modification \??\c:\program files (x86)\onenote cerber.exe File opened for modification \??\c:\program files (x86)\steam cerber.exe File opened for modification \??\c:\program files (x86)\office cerber.exe File opened for modification \??\c:\program files\ cerber.exe File opened for modification \??\c:\program files (x86)\ cerber.exe File opened for modification \??\c:\program files (x86)\microsoft sql server cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\office cerber.exe -
Drops file in Windows directory 64 IoCs
description ioc Process File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\onenote 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\local\microsoft\word cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\office cerber.exe File opened for modification \??\c:\windows\ 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\roaming\microsoft\excel cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\word cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\steam cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\thunderbird cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\documents cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\bitcoin cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\excel 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\networkservice\appdata\local\microsoft\office cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\onenote 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\outlook 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\word 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\bitcoin cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\steam cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\desktop cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\onenote cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\outlook cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\the bat! cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft sql server 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\roaming\microsoft\microsoft sql server 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\local\microsoft\onenote cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\onenote cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\word cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\excel cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\excel cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\office cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\office cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\powerpoint 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\thunderbird cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\outlook cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\documents cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\excel 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\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\networkservice\appdata\roaming\office cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\word cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\word cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\powerpoint cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\bitcoin cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\excel cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\office 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\local\office cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\onenote cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\outlook 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\local\microsoft\microsoft sql server cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft\powerpoint cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\powerpoint cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\powerpoint cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\word 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 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 Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
Kills process with taskkill 1 IoCs
pid Process 1988 taskkill.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000_Classes\Local Settings cerber.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 4180 NOTEPAD.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3896 PING.EXE -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeShutdownPrivilege 1544 cerber.exe Token: SeCreatePagefilePrivilege 1544 cerber.exe Token: SeDebugPrivilege 1988 taskkill.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1544 wrote to memory of 4660 1544 cerber.exe 82 PID 1544 wrote to memory of 4660 1544 cerber.exe 82 PID 1544 wrote to memory of 4660 1544 cerber.exe 82 PID 1544 wrote to memory of 5524 1544 cerber.exe 87 PID 1544 wrote to memory of 5524 1544 cerber.exe 87 PID 1544 wrote to memory of 5524 1544 cerber.exe 87 PID 1544 wrote to memory of 4648 1544 cerber.exe 98 PID 1544 wrote to memory of 4648 1544 cerber.exe 98 PID 1544 wrote to memory of 4648 1544 cerber.exe 98 PID 1544 wrote to memory of 4180 1544 cerber.exe 99 PID 1544 wrote to memory of 4180 1544 cerber.exe 99 PID 1544 wrote to memory of 4180 1544 cerber.exe 99 PID 1544 wrote to memory of 4888 1544 cerber.exe 103 PID 1544 wrote to memory of 4888 1544 cerber.exe 103 PID 1544 wrote to memory of 4888 1544 cerber.exe 103 PID 4888 wrote to memory of 1988 4888 cmd.exe 105 PID 4888 wrote to memory of 1988 4888 cmd.exe 105 PID 4888 wrote to memory of 1988 4888 cmd.exe 105 PID 4888 wrote to memory of 3896 4888 cmd.exe 106 PID 4888 wrote to memory of 3896 4888 cmd.exe 106 PID 4888 wrote to memory of 3896 4888 cmd.exe 106
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 startup file
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1544 -
C:\Windows\SysWOW64\netsh.exeC:\Windows\system32\netsh.exe advfirewall set allprofiles state on2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:4660
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C:\Windows\SysWOW64\netsh.exeC:\Windows\system32\netsh.exe advfirewall reset2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:5524
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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___14MTR_.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵PID:4648
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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___WXUSXTS0_.txt2⤵
- Opens file in notepad (likely ransom note)
PID:4180
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4888 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im "cerber.exe"3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1988
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C:\Windows\SysWOW64\PING.EXEping -n 1 127.0.0.13⤵
- Runs ping.exe
PID:3896
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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
75KB
MD59012a69dcee59b18c588c08534b17d49
SHA159c319f53b667e865826c90c3d36caf5bf383d24
SHA256fad02628eadf926d837d65acc51f75dcd04f1008ba5dfc538af3ba8de9611496
SHA512b02e8042690d1af84e93821a9ab1386f90ef9de3ea9285890064ad8a17a18335370ef6b5edd35e43f72a112c87f27c2f3a63712cf144375c72acb64e5a7d8f00
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Filesize
1KB
MD5817841a4b890201d4240547f76eb8a0a
SHA13acd584ac181cdf52c86e7446426ace1627a4dd4
SHA25622eb73b235f5f6555ef707e18150c38783be3a582ac039ca6471b4c589a18c51
SHA51268353dff08c26aaed848e02be69f59f32de965af019c2666f7de4a175eabcf50b85d800e383cde05fbaceb3b46713785acfa3e05984483067b9b2fb0f1d358bf