Analysis
-
max time kernel
1022s -
max time network
1558s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
27-10-2021 09:06
General
-
Target
de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exe
Score
10/10
Malware Config
Extracted
Path
C:\odt\6246D-Readme.txt
Family
netwalker
Ransom Note
Hi!
Your files are encrypted.
All encrypted files for this computer has extension: .6246d
--
If for some reason you read this text before the encryption ended,
this can be understood by the fact that the computer slows down,
and your heart rate has increased due to the ability to turn it off,
then we recommend that you move away from the computer and accept that you have been compromised,
rebooting/shutdown will cause you to lose files without the possibility of recovery and even god will not be able to help you,
it could be files on the network belonging to other users, sure you want to take that responsibility?
--
Our encryption algorithms are very strong and your files are very well protected, you can't hope to recover them without our help.
The only way to get your files back is to cooperate with us and get the decrypter program.
Do not try to recover your files without a decrypt program, you may damage them and then they will be impossible to recover.
We advise you to contact us as soon as possible, otherwise there is a possibility that your files will never be returned.
For us this is just business and to prove to you our seriousness, we will decrypt you some files for free,
but we will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision.
Contact us:
1.knoocknoo@cock.li
2.eeeooppaaaxxx@tuta.io
Don't forget to include your code in the email:
{code_1b1ea859_6246d:
bPPyzruVx0IEGYd6l1fRtCoOhpB2lM0ScdgfnVTajWzHFTBYoW
qFlYaKk2tJEwbd2hwQVHsK1KODj2rr+b2R8Rvc11djGZhJWage
GwAyuGN8cQ83C+d6WhcvX8eSUcE7AN3uP+cTGgxumWDED/MsNc
8A+KXv/qljM6pc1YeLeUHW+s/kT2OPd7dhX2jQRh9KVVpkAuXX
KJkwuF7YOuMW9Tu+Dw2GMnz5aH4gqrtz7GwHM960+pguUiDapL
cgLWc0aifGbSzGDMAQw6YhKQkXQPRLaJY=}
Emails
knoocknoo@cock.li
eeeooppaaaxxx@tuta.io
Signatures
-
Detected Netwalker Ransomware 2 IoCs
Detected unpacked Netwalker executable.
-
Netwalker Ransomware
Ransomware family with multiple versions. Also known as MailTo.
-
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
-
Modifies extensions of user files 2 IoCs
Ransomware generally changes the extension on encrypted files.
-
Deletes itself 1 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
-
Suspicious use of SetThreadContext 1 IoCs
-
Drops file in Program Files directory 64 IoCs
-
Drops file in Windows directory 2 IoCs
-
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
-
Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
-
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
-
Suspicious behavior: MapViewOfSection 2 IoCs
-
Suspicious use of AdjustPrivilegeToken 11 IoCs
-
Suspicious use of FindShellTrayWindow 64 IoCs
-
Suspicious use of SendNotifyMessage 64 IoCs
-
Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exe"C:\Users\Admin\AppData\Local\Temp\de04d2402154f676f757cf1380671f396f3fc9f7dbb683d9461edd2718c4e09d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\explorer.exe"C:\Windows\system32\explorer.exe"2⤵
- Modifies extensions of user files
- Deletes itself
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\explorer.exe"C:\Windows\system32\explorer.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe delete shadows /all /quiet4⤵
- Interacts with shadow copies
-
C:\Windows\SysWOW64\notepad.exeC:\Windows\system32\notepad.exe "C:\Users\Admin\Desktop\6246D-Readme.txt"3⤵
-
C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe delete shadows /all /quiet3⤵
- Interacts with shadow copies
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\Desktop\6246D-Readme.txtMD5
59f004ea52c05aa8e6adb51fd6d3be3e
SHA1c1c5c546c913bc00cc5ac0fd0c234795ae056a45
SHA2568b0e2c9ac5cbd1266c80361d1017692acf07f2af2e2991b03b1ac48b41b4d1df
SHA512f1c0dc27eb20e4ae331bc2ea524ac52160fc50c71ab0b1d04e56130cf7fe48189abf0485a2ce248aceb2b205e86cf6dedac9d16e09055f7c649741b7742c3f22
-
memory/1008-116-0x0000000000000000-mapping.dmp
-
memory/1008-119-0x0000000000270000-0x000000000028B000-memory.dmpFilesize
108KB
-
memory/2672-115-0x0000000000000000-mapping.dmp
-
memory/2672-118-0x0000000002B80000-0x0000000002B9B000-memory.dmpFilesize
108KB
-
memory/3336-117-0x0000000000000000-mapping.dmp
-
memory/7644-121-0x0000000000000000-mapping.dmp
-
memory/8056-120-0x0000000000000000-mapping.dmp