cerber | bab1853454ca6fdd3acd471254101db1b805b601e309a49ec7b4b1fbcfc47ad7

Resubmissions

21-02-2024 14:33

240221-rw8hmsha2y 10

21-02-2024 14:31

240221-rvtm4agh7w 10

21-02-2024 11:52

240221-n1xedseg6t 10

Analysis

max time kernel
145s
max time network
146s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21-02-2024 14:33

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General

Target

cerber.exe
Size

604KB
MD5

8b6bc16fd137c09a08b02bbe1bb7d670
SHA1

c69a0f6c6f809c01db92ca658fcf1b643391a2b7
SHA256

e67834d1e8b38ec5864cfa101b140aeaba8f1900a6e269e6a94c90fcbfe56678
SHA512

b53d2cc0fe5fa52262ace9f6e6ea3f5ce84935009822a3394bfe49c4d15dfeaa96bfe10ce77ffa93dbf81e5428122aa739a94bc709f203bc346597004fd75a24
SSDEEP

6144:yYghlI5/u8f1mr+4RJ99MpDa52RX5wRDhOOU0qsR:yYKlYmDXEpDHRXP01

Score

10^/10

cerber discovery evasion ransomware

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___7D9973_.txt

Family

cerber

Ransom Note

CERBER RANSOMWARE ----- YOUR DOCUMENTS, PH0TOS, DATABASES AND OTHER IMPORTANT FILES HAVE BEEN ENCRYPTED! ----- The only way to decrypt y0ur files is to receive the private key and decryption program. To receive the private key and decryption program go to any decrypted folder, inside there is the special file (*_READ_THIS_FILE_*) with complete instructions how to decrypt your files. If you cannot find any (*_READ_THIS_FILE_*) file at your PC, follow the instructions below: ----- 1. Download "Tor Browser" from https://www.torproject.org/ and install it. 2. In the "Tor Browser" open your personal page here: http://p27dokhpz2n7nvgr.onion/39BC-AE44-C33F-0446-9C89 Note! This page is available via "Tor Browser" only. ----- Also you can use temporary addresses on your personal page without using "Tor Browser". ----- 1. http://p27dokhpz2n7nvgr.12hygy.top/39BC-AE44-C33F-0446-9C89 2. http://p27dokhpz2n7nvgr.14ewqv.top/39BC-AE44-C33F-0446-9C89 3. http://p27dokhpz2n7nvgr.14vvrc.top/39BC-AE44-C33F-0446-9C89 4. http://p27dokhpz2n7nvgr.129p1t.top/39BC-AE44-C33F-0446-9C89 5. http://p27dokhpz2n7nvgr.1apgrn.top/39BC-AE44-C33F-0446-9C89 ----- Note! These are temporary addresses! They will be available for a limited amount of time! -----

URLs

http://p27dokhpz2n7nvgr.onion/39BC-AE44-C33F-0446-9C89

http://p27dokhpz2n7nvgr.12hygy.top/39BC-AE44-C33F-0446-9C89

http://p27dokhpz2n7nvgr.14ewqv.top/39BC-AE44-C33F-0446-9C89

http://p27dokhpz2n7nvgr.14vvrc.top/39BC-AE44-C33F-0446-9C89

http://p27dokhpz2n7nvgr.129p1t.top/39BC-AE44-C33F-0446-9C89

http://p27dokhpz2n7nvgr.1apgrn.top/39BC-AE44-C33F-0446-9C89

Signatures

Cerber
Cerber is a widely used ransomware-as-a-service (RaaS), first seen in 2017.
ransomware cerber
Blocklisted process makes network request 5 IoCs

Processes:

mshta.exe

flow pid process

2181 1924 mshta.exe
2184 1924 mshta.exe
2186 1924 mshta.exe
2188 1924 mshta.exe
2190 1924 mshta.exe
Contacts a large (1094) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Modifies Windows Firewall 2 TTPs 2 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exenetsh.exe

pid process

2668 netsh.exe
1592 netsh.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2660 cmd.exe

flow	pid	process
2181	1924	mshta.exe
2184	1924	mshta.exe
2186	1924	mshta.exe
2188	1924	mshta.exe
2190	1924	mshta.exe

pid	process
2668	netsh.exe
1592	netsh.exe

pid	process
2660	cmd.exe

Drops file in System32 directory 38 IoCs

Processes:

cerber.exe

description	ioc	process
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\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\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\roaming\microsoft sql server	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\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\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\office	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\the bat!	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\microsoft\onenote	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\powerpoint	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\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\local\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\local\steam	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\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\onenote	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\local\microsoft\outlook	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\thunderbird	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\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\desktop	cerber.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

cerber.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmp3082.bmp"	cerber.exe

Drops file in Program Files directory 20 IoCs

Processes:

cerber.exe

description	ioc	process
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)\onenote	cerber.exe
File opened for modification	\??\c:\program files (x86)\thunderbird	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\outlook	cerber.exe
File opened for modification	\??\c:\program files (x86)\office	cerber.exe
File opened for modification	\??\c:\program files (x86)\powerpoint	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\word	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)\bitcoin	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)\outlook	cerber.exe
File opened for modification	\??\c:\program files (x86)\the bat!	cerber.exe

Drops file in Windows directory 64 IoCs

Processes:

cerber.exe

description	ioc	process
File opened for modification	\??\c:\windows\serviceprofiles\networkservice\appdata\roaming\office	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\localservice\appdata\local\office	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\powerpoint	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\outlook	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\roaming\office	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\word	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\localservice\appdata\local\word	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\onenote	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\networkservice\appdata\roaming\the bat!	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\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\local\microsoft\onenote	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\microsoft\word	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\networkservice\appdata\roaming\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\roaming\microsoft\office	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft\office	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\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\local\the bat!	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\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\powerpoint	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\localservice\appdata\roaming\bitcoin	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\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\onenote	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\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\excel	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\office	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\networkservice\documents	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\localservice\desktop	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\networkservice\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\localservice\appdata\roaming\the bat!	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\roaming\microsoft\powerpoint	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\networkservice\appdata\roaming\outlook	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\word	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\microsoft\outlook	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\localservice\appdata\local\microsoft\powerpoint	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\networkservice\appdata\local\thunderbird	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\networkservice\appdata\local\outlook	cerber.exe
File opened for modification	\??\c:\windows\	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\networkservice\appdata\roaming\bitcoin	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\networkservice\appdata\local\microsoft sql server	cerber.exe
File opened for modification	\??\c:\windows\serviceprofiles\localservice\appdata\roaming\microsoft\microsoft sql server	cerber.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2224 taskkill.exe
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

mshta.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main mshta.exe

pid	process
2224	taskkill.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

mshta.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	mshta.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	mshta.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	mshta.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

844 NOTEPAD.EXE
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

608 PING.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

cerber.exetaskkill.exe

description pid process

Token: SeShutdownPrivilege 1448 cerber.exe
Token: SeDebugPrivilege 2224 taskkill.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

cerber.exe

pid process

1448 cerber.exe

pid	process
844	NOTEPAD.EXE

pid	process
608	PING.EXE

description	pid	process
Token: SeShutdownPrivilege	1448	cerber.exe
Token: SeDebugPrivilege	2224	taskkill.exe

pid	process
1448	cerber.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

cerber.execmd.exe

description	pid	process	target process
PID 1448 wrote to memory of 1592	1448	cerber.exe	netsh.exe
PID 1448 wrote to memory of 1592	1448	cerber.exe	netsh.exe
PID 1448 wrote to memory of 1592	1448	cerber.exe	netsh.exe
PID 1448 wrote to memory of 1592	1448	cerber.exe	netsh.exe
PID 1448 wrote to memory of 2668	1448	cerber.exe	netsh.exe
PID 1448 wrote to memory of 2668	1448	cerber.exe	netsh.exe
PID 1448 wrote to memory of 2668	1448	cerber.exe	netsh.exe
PID 1448 wrote to memory of 2668	1448	cerber.exe	netsh.exe
PID 1448 wrote to memory of 1924	1448	cerber.exe	mshta.exe
PID 1448 wrote to memory of 1924	1448	cerber.exe	mshta.exe
PID 1448 wrote to memory of 1924	1448	cerber.exe	mshta.exe
PID 1448 wrote to memory of 1924	1448	cerber.exe	mshta.exe
PID 1448 wrote to memory of 844	1448	cerber.exe	NOTEPAD.EXE
PID 1448 wrote to memory of 844	1448	cerber.exe	NOTEPAD.EXE
PID 1448 wrote to memory of 844	1448	cerber.exe	NOTEPAD.EXE
PID 1448 wrote to memory of 844	1448	cerber.exe	NOTEPAD.EXE
PID 1448 wrote to memory of 2660	1448	cerber.exe	cmd.exe
PID 1448 wrote to memory of 2660	1448	cerber.exe	cmd.exe
PID 1448 wrote to memory of 2660	1448	cerber.exe	cmd.exe
PID 1448 wrote to memory of 2660	1448	cerber.exe	cmd.exe
PID 2660 wrote to memory of 2224	2660	cmd.exe	taskkill.exe
PID 2660 wrote to memory of 2224	2660	cmd.exe	taskkill.exe
PID 2660 wrote to memory of 2224	2660	cmd.exe	taskkill.exe
PID 2660 wrote to memory of 2224	2660	cmd.exe	taskkill.exe
PID 2660 wrote to memory of 608	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 608	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 608	2660	cmd.exe	PING.EXE
PID 2660 wrote to memory of 608	2660	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\cerber.exe
"C:\Users\Admin\AppData\Local\Temp\cerber.exe"
1⤵
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1448

C:\Windows\SysWOW64\netsh.exe
C:\Windows\system32\netsh.exe advfirewall set allprofiles state on
2⤵
- Modifies Windows Firewall
PID:1592

C:\Windows\SysWOW64\netsh.exe
C:\Windows\system32\netsh.exe advfirewall reset
2⤵
- Modifies Windows Firewall
PID:2668

C:\Windows\SysWOW64\mshta.exe
"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___KWLICGS_.hta"
2⤵
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Modifies system certificate store
PID:1924

C:\Windows\SysWOW64\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___7D9973_.txt
2⤵
- Opens file in notepad (likely ransom note)
PID:844

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2660

C:\Windows\SysWOW64\taskkill.exe
taskkill /f /im "cerber.exe"
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2224

C:\Windows\SysWOW64\PING.EXE
ping -n 1 127.0.0.1
3⤵
- Runs ping.exe
PID:608

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

Network Service Discovery

T1046

System Information Discovery

T1082

Remote System Discovery

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

T1491

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab4F79.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4F8C.tmp
Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___7D9973_.txt
Filesize
1KB

MD5
37f5f3b4441d928659ffcabd02dd30d3

SHA1
e080d0a096d92a6ed6f4f86ba449ee27db25d709

SHA256
b1a27366243c5bd7d20b29e089d8afd492653fb7cda9c70649bd14b64c3c512d

SHA512
57fa0f4eba96a2f085c46ace1dfcf13f18c8f87a0288dd53c55dfa87d6220d7a5e8d01c687ca06e9710e1a411cf71a721bbeab017a211f6dda182bfc24db8cce

Download Submit
C:\Users\Admin\Desktop\_R_E_A_D___T_H_I_S___KWLICGS_.hta
Filesize
75KB

MD5
4b5a6bb7e616ca3221f121dab1763bf1

SHA1
30b01490f426ea54879a1ec5bb13270684b0c8f1

SHA256
790803ec9f4752fe3c13faf64f1d866c8cda54f9f5c2afd322477e9b822ef3f4

SHA512
dfd55aee0fe65fe53638e6868d75987e6110f684d41bdd72b8fa7a7f982081768b8546c883c84516810f0d043535ef641ed737c17c9d688cd965aaff3821f00c

Download Submit
memory/1448-0-0x0000000000220000-0x0000000000251000-memory.dmp

Filesize
196KB

Download
memory/1448-1-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1448-2-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1448-5-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1448-9-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1448-74-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1448-112-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download