Analysis
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max time kernel
125s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-06-2024 03:00
Static task
static1
Behavioral task
behavioral1
Sample
Cerber.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
Cerber.exe
Resource
win10v2004-20240508-en
General
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Target
Cerber.exe
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Size
492KB
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MD5
8b3d0bc69064a0155a205a4202417330
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SHA1
0aa06a222900a2d3042e73fc21b52004d7856aeb
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SHA256
9ef7fe10bbbb58899859d82ba7a698cbfdd546c6e9e4d3b55193e4180682036c
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SHA512
e54140bdf79b5498cb7f4a519a4d9ed54e3a4845ae822a2f25c3f1d97b616b9f1374ece7ff788e0e667e5ac5824f81aa1a1861b8d212e832533590ac1f96633a
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SSDEEP
12288:ww+dKNr2YH7WQx3IjKoa+888888888888W888888888888:wVKMYbWzuBf
Malware Config
Extracted
C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___FESL46_.hta
cerber
Extracted
C:\Users\Admin\AppData\Roaming\Microsoft\OneNote\16.0\_R_E_A_D___T_H_I_S___C5MKTP_.txt
cerber
http://p27dokhpz2n7nvgr.onion/0103-61A0-FC45-0446-960F
http://p27dokhpz2n7nvgr.14ewqv.top/0103-61A0-FC45-0446-960F
http://p27dokhpz2n7nvgr.14vvrc.top/0103-61A0-FC45-0446-960F
http://p27dokhpz2n7nvgr.129p1t.top/0103-61A0-FC45-0446-960F
http://p27dokhpz2n7nvgr.1apgrn.top/0103-61A0-FC45-0446-960F
http://p27dokhpz2n7nvgr.1p5fwl.top/0103-61A0-FC45-0446-960F
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 (1100) 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 3792 netsh.exe 3780 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-1-5-21-1181767204-2009306918-3718769404-1000\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\microsoft\powerpoint 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\local\onenote 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\documents 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 sql server 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\microsoft\word Cerber.exe File opened for modification \??\c:\windows\SysWOW64\config\systemprofile\desktop 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\steam 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\word 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\office 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\roaming\outlook 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\appdata\roaming\the bat! 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\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\outlook 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\roaming\microsoft\onenote 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\bitcoin 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\roaming\microsoft\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\thunderbird 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\excel 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\powerpoint Cerber.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmp21AC.bmp" Cerber.exe -
Drops file in Program Files directory 20 IoCs
description ioc Process File opened for modification \??\c:\program files (x86)\thunderbird Cerber.exe File opened for modification \??\c:\program files (x86)\onenote Cerber.exe File opened for modification \??\c:\program files (x86)\excel 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\office Cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\outlook 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)\ Cerber.exe File opened for modification \??\c:\program files (x86)\powerpoint Cerber.exe File opened for modification \??\c:\program files (x86)\steam Cerber.exe File opened for modification \??\c:\program files (x86)\the bat! Cerber.exe File opened for modification \??\c:\program files (x86)\outlook Cerber.exe 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\ Cerber.exe File opened for modification \??\c:\program files (x86)\microsoft\onenote Cerber.exe File opened for modification \??\c:\program files (x86)\word Cerber.exe File opened for modification \??\c:\program files (x86)\bitcoin Cerber.exe -
Drops file in Windows directory 64 IoCs
description ioc Process File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\word Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\microsoft sql server 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\powerpoint 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\powerpoint 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\word Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\desktop Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\excel 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\onenote Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\office 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\thunderbird Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\thunderbird 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\roaming\microsoft\word Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\office 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\localservice\appdata\local\steam 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\thunderbird Cerber.exe File opened for modification \??\c:\windows\ Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\bitcoin Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\powerpoint Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\word 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\the bat! Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\desktop Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\outlook Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\powerpoint Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\documents Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\documents Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\excel 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\localservice\appdata\local\office Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\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\networkservice\appdata\local\steam Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\roaming\bitcoin 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\roaming\bitcoin 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\outlook Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\appdata\local\thunderbird 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\outlook Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\outlook Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\the bat! 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\microsoft\onenote Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\roaming\word 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\microsoft sql server 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\onenote Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\localservice\appdata\local\powerpoint Cerber.exe File opened for modification \??\c:\windows\serviceprofiles\networkservice\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\localservice\appdata\roaming\microsoft\powerpoint 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\roaming\microsoft\excel 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 -
Kills process with taskkill 1 IoCs
pid Process 220 taskkill.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings Cerber.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3320 NOTEPAD.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2520 PING.EXE -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3592 Cerber.exe Token: SeCreatePagefilePrivilege 3592 Cerber.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 3592 wrote to memory of 3792 3592 Cerber.exe 89 PID 3592 wrote to memory of 3792 3592 Cerber.exe 89 PID 3592 wrote to memory of 3792 3592 Cerber.exe 89 PID 3592 wrote to memory of 3780 3592 Cerber.exe 94 PID 3592 wrote to memory of 3780 3592 Cerber.exe 94 PID 3592 wrote to memory of 3780 3592 Cerber.exe 94 PID 3592 wrote to memory of 464 3592 Cerber.exe 104 PID 3592 wrote to memory of 464 3592 Cerber.exe 104 PID 3592 wrote to memory of 464 3592 Cerber.exe 104 PID 3592 wrote to memory of 3320 3592 Cerber.exe 105 PID 3592 wrote to memory of 3320 3592 Cerber.exe 105 PID 3592 wrote to memory of 3320 3592 Cerber.exe 105 PID 3592 wrote to memory of 2440 3592 Cerber.exe 109 PID 3592 wrote to memory of 2440 3592 Cerber.exe 109 PID 3592 wrote to memory of 2440 3592 Cerber.exe 109 PID 2440 wrote to memory of 220 2440 cmd.exe 111 PID 2440 wrote to memory of 220 2440 cmd.exe 111 PID 2440 wrote to memory of 220 2440 cmd.exe 111 PID 2440 wrote to memory of 2520 2440 cmd.exe 112 PID 2440 wrote to memory of 2520 2440 cmd.exe 112 PID 2440 wrote to memory of 2520 2440 cmd.exe 112
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:3592 -
C:\Windows\SysWOW64\netsh.exeC:\Windows\system32\netsh.exe advfirewall set allprofiles state on2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:3792
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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:3780
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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___8YRLM1C_.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵PID:464
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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___QYSU_.txt2⤵
- Opens file in notepad (likely ransom note)
PID:3320
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Windows\SysWOW64\taskkill.exetaskkill /f /im "Cerber.exe"3⤵
- Kills process with taskkill
PID:220
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C:\Windows\SysWOW64\PING.EXEping -n 1 127.0.0.13⤵
- Runs ping.exe
PID:2520
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4240,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=3904 /prefetch:81⤵PID:4792
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
MD5767ca3a719ad518159e5cae08466b48b
SHA1e0fa58aec9e9f4e27869daed6235d4e72e971d2c
SHA256f762c766fac2d9124d5e22ab5d5392a0b1a4083d40bd9ba22d9418c14b094606
SHA51290f83022b5dbd8ae153700ec0b87e1c763145fe939448d9e5a027d8d6c6de8643f5928acd1816feb5a79b60a7472eab5e4b3b6332a7c4117c6d51cd4f7ea5da1
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Filesize
75KB
MD5e4dbfe40db03f263495d7403fd5586cf
SHA1c1f0820e90553bad55156028983e25f26d519a53
SHA2561b482c3e397ce34ea52cb19fef07d9a0dde02bd8f4006be5be67ec536a804f99
SHA5129dae007e6ca3f7566b60133ae1d3fa3f62c5cd6be9b08c11527b7ffbc17929aaeaad802261d1f5ed45ae3a2ec96a13d0d363a4d7bb25423989213745439e0d9b