72abe5d96b5943a52c8e819c04b9886c92c6abb296a23103b27ffa1b9f160bd5

General

Target

4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
Size

156KB
MD5

fcd21c6fca3b9378961aa1865bee7ecb
SHA1

0abaa05da2a05977e0baf68838cff1712f1789e0
SHA256

4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458
SHA512

e39c1f965f6faeaa33dfec6eba23fbfff14b287f4777797ea79480bb037d6d806516bda7046315e051961fce12e935ac546819c1e0bef5c33568d68955a9792a

Score

10^/10

ransomware evasion

Malware Config

Extracted

Path

C:\odt\!TXDOT_READ_ME!.txt

Ransom Note

Greetings, Texas Department of Transportation! Read this message CAREFULLY and contact someone from IT department. Your files are securely ENCRYPTED. No third party decryption software EXISTS. MODIFICATION or RENAMING encrypted files may cause decryption failure. You can send us an encrypted file (not greater than 400KB) and we will decrypt it FOR FREE, so you have no doubts in possibility to restore all files from all affected systems ANY TIME. Encrypted file SHOULD NOT contain sensitive information (technical, backups, databases, large documents). The rest of data will be available after the PAYMENT. Infrastructure rebuild will cost you MUCH more. Contact us ONLY if you officially represent the whole affected network. The ONLY attachments we accept are non archived encrypted files for test decryption. Speak ENGLISH when contacting us. Mail us: txdot911@protonmail.com We kindly ask you not to use GMAIL, YAHOO or LIVE to contact us. The PRICE depends on how quickly you do it. �

Emails

txdot911@protonmail.com

Signatures

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe

description	pid	process	target process
PID 3100 wrote to memory of 3060	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	wbadmin.exe
PID 3100 wrote to memory of 3608	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	bcdedit.exe
PID 3100 wrote to memory of 3060	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	wbadmin.exe
PID 3100 wrote to memory of 3608	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	bcdedit.exe
PID 3100 wrote to memory of 736	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	schtasks.exe
PID 3100 wrote to memory of 736	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	schtasks.exe
PID 3100 wrote to memory of 3780	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	bcdedit.exe
PID 3100 wrote to memory of 3780	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	bcdedit.exe
PID 3100 wrote to memory of 3668	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	fsutil.exe
PID 3100 wrote to memory of 3668	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	fsutil.exe
PID 3100 wrote to memory of 2328	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	wevtutil.exe
PID 3100 wrote to memory of 2328	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	wevtutil.exe
PID 3100 wrote to memory of 3768	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	wevtutil.exe
PID 3100 wrote to memory of 3768	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	wevtutil.exe
PID 3100 wrote to memory of 3132	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	cipher.exe
PID 3100 wrote to memory of 3132	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	cipher.exe
PID 3100 wrote to memory of 3132	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	cipher.exe
PID 3100 wrote to memory of 2324	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	wevtutil.exe
PID 3100 wrote to memory of 2324	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	wevtutil.exe
PID 3100 wrote to memory of 3612	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	cipher.exe
PID 3100 wrote to memory of 3612	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	cipher.exe
PID 3100 wrote to memory of 3612	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	cipher.exe
PID 3100 wrote to memory of 3136	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	wevtutil.exe
PID 3100 wrote to memory of 3136	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	wevtutil.exe
PID 3100 wrote to memory of 3164	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	wevtutil.exe
PID 3100 wrote to memory of 3164	3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe	wevtutil.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

Processes:

wevtutil.exewevtutil.exewevtutil.exewevtutil.exewevtutil.exewbengine.exe

description	pid	process
Token: SeSecurityPrivilege	2324	wevtutil.exe
Token: SeBackupPrivilege	2324	wevtutil.exe
Token: SeSecurityPrivilege	3768	wevtutil.exe
Token: SeBackupPrivilege	3768	wevtutil.exe
Token: SeSecurityPrivilege	3164	wevtutil.exe
Token: SeBackupPrivilege	3164	wevtutil.exe
Token: SeSecurityPrivilege	3136	wevtutil.exe
Token: SeBackupPrivilege	3136	wevtutil.exe
Token: SeSecurityPrivilege	2328	wevtutil.exe
Token: SeBackupPrivilege	2328	wevtutil.exe
Token: SeBackupPrivilege	3032	wbengine.exe
Token: SeRestorePrivilege	3032	wbengine.exe
Token: SeSecurityPrivilege	3032	wbengine.exe

Disables use of System Restore points 1 TTPs
evasion

Inhibit System Recovery
T1490
Clears Windows event logs 1 TTPs
evasion ransomware

Indicator Removal on Host
T1070

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe

pid	process
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
3100	4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe

Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
ransomware evasion

Inhibit System Recovery
T1490

Processes:

bcdedit.exebcdedit.exe

pid process

3608 bcdedit.exe
3780 bcdedit.exe

pid	process
3608	bcdedit.exe
3780	bcdedit.exe

Checks SCSI registry key(s) 3 TTPs 4 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

vds.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000	vds.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\FriendlyName	vds.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000	vds.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\FriendlyName	vds.exe

Deletes backup catalog 3 TTPs 1 IoCs
Uses wbadmin.exe to inhibit system recovery.
ransomware

Command-Line Interface
T1059

File Deletion
T1107

Inhibit System Recovery
T1490

Processes:

wbadmin.exe

pid process

3060 wbadmin.exe
Deletes system backup catalog 2 TTPs
Ransomware often tries to delete backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

pid	process
3060	wbadmin.exe

C:\Users\Admin\AppData\Local\Temp\4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe
"C:\Users\Admin\AppData\Local\Temp\4cae449450c07b7aa74314173c7b00d409eabfe22b86859f3b3acedd66010458.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: EnumeratesProcesses
PID:3100

C:\Windows\SysWOW64\cipher.exe
"C:\Windows\System32\cipher.exe" /w:C:
2⤵
PID:3612

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Change /TN "\Microsoft\Windows\SystemRestore\SR" /disable
2⤵
PID:736

C:\Windows\System32\wevtutil.exe
"C:\Windows\System32\wevtutil.exe" cl Security
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3164

C:\Windows\System32\wbadmin.exe
"C:\Windows\System32\wbadmin.exe" delete catalog -quiet
2⤵
- Deletes backup catalog
PID:3060

C:\Windows\System32\bcdedit.exe
"C:\Windows\System32\bcdedit.exe" /set {default} bootstatuspolicy ignoreallfailures
2⤵
- Modifies boot configuration data using bcdedit
PID:3608

C:\Windows\System32\bcdedit.exe
"C:\Windows\System32\bcdedit.exe" /set {default} recoveryenabled no
2⤵
- Modifies boot configuration data using bcdedit
PID:3780