61c47effdf6b6eafd20e74a8a6b52da09e082fefef31c6ae4a2046b6a756050e

General

Target

sqlsrvr.exe
Size

1.8MB
MD5

e1338c42da2d2363afbbd0eeabad1ca9
SHA1

fe5d669b732c9227bb25787083906f49b732c335
SHA256

61c47effdf6b6eafd20e74a8a6b52da09e082fefef31c6ae4a2046b6a756050e
SHA512

bcc887777c3bcb778000893c15357abcc9a78009a1cd8ae325de787a918d98ded1100fe9b21b79b16fe1d44d5d9fe0147292164ff36cf12a13e9e31b02ed372a

Score

10^/10

evasion persistence ransomware spyware stealer

Malware Config

Extracted

Path

C:\Read Me.TXT

Ransom Note

8888888b. 888 888 Y88b 888 888 888 888 888 d88P .d88b. .d88888 .d88b. .d88b. 88888b.d88b. .d88b. 888d888 8888888P" d8P Y8b d88" 888 d8P Y8b d8P Y8b 888 "888 "88b d8P Y8b 888P" 888 T88b 88888888 888 888 88888888 88888888 888 888 888 88888888 888 888 T88b Y8b. Y88b 888 Y8b. Y8b. 888 888 888 Y8b. 888 888 T88b "Y8888 "Y88888 "Y8888 "Y8888 888 888 888 "Y8888 888 Made by Cerebrate - Dread Forums TOR [http://dreadytofatroptsdj6io7l3xptbet6onoyno2yv7jicoxknyazubrad.onion/] [Q1] What happened, I cannot open my files and they have an odd extension? [A1] Your files have been encrypted by Redeemer, a new ransomware operation. [Q2] Is there any way to recover my files? [A2] Yes, you can recover your files. This will however cost you money in XMR (Monero). [Q3] Is there any any way to recover my files without paying? [A3] Without paying it is impossible your files. Redeemer uses most secure algorithms and a sophisticated encryption scheme which guarantees security. Without a proper key, you will never regain access to your files. [Q4] What is XMR (Monero)? [A4] It is a privacy oriented cryptocurrency. You can learn more about Monero on getmonero.org. You can view ways to purchase it on www.monero.how/how-to-buy-monero. [Q5] How will I decrypt my files? [A5] Follow the general instructions: -1. Buy 02 XMR. -2. Contact helpdecryptmyfiles@yandex.com and send the following key: -----BEGIN REDEEMER PUBLIC KEY----- MDOJ4SNegjzjos0DR8AZPMS2fhoBbCYNI6DkHo0KpjT7I0w9tF Em+Tem8spf8YpVrmN1CFm6zN1PgnMTLg07grAd6Bx9Q2KZUZK0 4tyGKy9g56Mn4/cSGBKSN2J7wHnk8/U3+z7F9R+WyQd4VAQqPz aD6vrs3j6kJHOIVarV2yhDiAaQvw6z8ZJWTcC7/1oJ7RA1Qhco Fw35kICAJK9+UqMkUZp4bbC2+diaiy6mi6YCHb8yNkv4WzrX5N MmCha0ZEE1RAv0fb44D2OjvJx2e/DdzHjuiOSdosF4uyq/pN+0 p2NA2Qa+7CerttH35eByXP0SIS3bp2gY2VJmPh+5lRm9Xc63rw 2+j+KzbMuWQfeKHwe4PVpxapiGSupELnZCft1ZifIm6Soizj2W UWFjJJw721HvBQl9nvEmTawghHBxE+PXJgUJi/ENqz9+vgPC2K HusiGs4QPt4OT/BahWLNW2bXj2uQfiw8OgugageNXHb2GM+rT7 Hg1eTaD8J1xE/1HiaxlQjJLFY1ywZtx4p1FcvgRaJNlmag4Nxb hy7e0cmGScrrSPcCysGjKQiEpqU2Bktop3N5eaKTLOFzQHRz3p asFA0VdKneojvAor8vyKqlJChLcAQMr2xKKskJgb693fcouZ4I hDSpHxwqoKOZDe7H0U3YBcKH0u/SEGiEa12w== -----END REDEEMER PUBLIC KEY----- -3. You will receive an XMR address where you will need to pay the requested amount of Monero. -4. After you pay and the payment is verified, you will receive a decryption tool and a key which will restore all your files and your computer back to normal.

Emails

helpdecryptmyfiles@yandex.com

Signatures

Clears Windows event logs 1 TTPs
evasion ransomware

Indicator Removal on Host
T1070
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490
Executes dropped EXE 1 IoCs

Processes:

calc.exe

pid process

1444 calc.exe

pid	process
1444	calc.exe

Modifies extensions of user files 5 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

calc.exe

description	ioc	process
File created	C:\Users\Admin\Pictures\ExitExport.tif.redeem	calc.exe
File created	C:\Users\Admin\Pictures\CopySkip.png.redeem	calc.exe
File created	C:\Users\Admin\Pictures\RequestClear.tif.redeem	calc.exe
File opened for modification	C:\Users\Admin\Pictures\PopInitialize.tiff	calc.exe
File created	C:\Users\Admin\Pictures\PopInitialize.tiff.redeem	calc.exe

Deletes itself 1 IoCs

Processes:

calc.exe

pid process

1444 calc.exe
Loads dropped DLL 1 IoCs

Processes:

sqlsrvr.exe

pid process

1556 sqlsrvr.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1444	calc.exe

pid	process
1556	sqlsrvr.exe

Drops desktop.ini file(s) 17 IoCs

Processes:

calc.exe

description	ioc	process
File opened for modification	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	calc.exe
File opened for modification	C:\Users\Admin\AppData\Local\Microsoft\Windows Mail\Stationery\Desktop.ini	calc.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	calc.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	calc.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	calc.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	calc.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	calc.exe
File opened for modification	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	calc.exe
File opened for modification	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	calc.exe
File opened for modification	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	calc.exe
File opened for modification	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Accessories\Tablet PC\Desktop.ini	calc.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	calc.exe
File opened for modification	C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Games\Desktop.ini	calc.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	calc.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	calc.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	calc.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	calc.exe

Modifies WinLogon 2 TTPs 4 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

calc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\LegalNoticeCaption = "Redeemer Ransomware - Your Data Is Encrypted"	calc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\LegalNoticeText = "8888888b. 888 \n888 Y88b 888 \n888 888 888 \n888 d88P .d88b. .d88888 .d88b. .d88b. 88888b.d88b. .d88b. 888d888 \n8888888P\" d8P Y8b d88\" 888 d8P Y8b d8P Y8b 888 \"888 \"88b d8P Y8b 888P\" \n888 T88b 88888888 888 888 88888888 88888888 888 888 888 88888888 888 \n888 T88b Y8b. Y88b 888 Y8b. Y8b. 888 888 888 Y8b. 888 \n888 T88b \"Y8888 \"Y88888 \"Y8888 \"Y8888 888 888 888 \"Y8888 888 \n\nMade by Cerebrate - Dread Forums TOR\n[http://dreadytofatroptsdj6io7l3xptbet6onoyno2yv7jicoxknyazubrad.onion/]\n\n\n\n[Q1] What happened, I cannot open my files and they have an odd extension?\n[A1] Your files have been encrypted by Redeemer, a new ransomware operation.\n\n[Q2] Is there any way to recover my files?\n[A2] Yes, you can recover your files. This will however cost you money in XMR (Monero).\n\n[Q3] Is there any any way to recover my files without paying?\n[A3] Without paying it is impossible your files.\nRedeemer uses most secure algorithms and a sophisticated encryption scheme which guarantees security.\nWithout a proper key, you will never regain access to your files.\n\n[Q4] What is XMR (Monero)?\n[A4] It is a privacy oriented cryptocurrency.\nYou can learn more about Monero on getmonero.org.\nYou can view ways to purchase it on www.monero.how/how-to-buy-monero.\n\n[Q5] How will I decrypt my files?\n[A5] Follow the general instructions:\n-1. Buy 02 XMR.\n-2. Contact helpdecryptmyfiles@yandex.com and send the following key:\n\n-----BEGIN REDEEMER PUBLIC KEY-----\nMDOJ4SNegjzjos0DR8AZPMS2fhoBbCYNI6DkHo0KpjT7I0w9tF\nEm+Tem8spf8YpVrmN1CFm6zN1PgnMTLg07grAd6Bx9Q2KZUZK0\n4tyGKy9g56Mn4/cSGBKSN2J7wHnk8/U3+z7F9R+WyQd4VAQqPz\naD6vrs3j6kJHOIVarV2yhDiAaQvw6z8ZJWTcC7/1oJ7RA1Qhco\nFw35kICAJK9+UqMkUZp4bbC2+diaiy6mi6YCHb8yNkv4WzrX5N\nMmCha0ZEE1RAv0fb44D2OjvJx2e/DdzHjuiOSdosF4uyq/pN+0\np2NA2Qa+7CerttH35eByXP0SIS3bp2gY2VJmPh+5lRm9Xc63rw\n2+j+KzbMuWQfeKHwe4PVpxapiGSupELnZCft1ZifIm6Soizj2W\nUWFjJJw721HvBQl9nvEmTawghHBxE+PXJgUJi/ENqz9+vgPC2K\nHusiGs4QPt4OT/BahWLNW2bXj2uQfiw8OgugageNXHb2GM+rT7\nHg1eTaD8J1xE/1HiaxlQjJLFY1ywZtx4p1FcvgRaJNlmag4Nxb\nhy7e0cmGScrrSPcCysGjKQiEpqU2Bktop3N5eaKTLOFzQHRz3p\nasFA0VdKneojvAor8vyKqlJChLcAQMr2xKKskJgb693fcouZ4I\nhDSpHxwqoKOZDe7H0U3YBcKH0u/SEGiEa12w==\n-----END REDEEMER PUBLIC KEY-----\n\n-3. You will receive an XMR address where you will need to pay the requested amount of Monero.\n-4. After you pay and the payment is verified, you will receive a decryption tool and a key which will restore all your files and your computer back to normal."	calc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\LegalNoticeCaption = "Redeemer Ransomware - Your Data Is Encrypted"	calc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\LegalNoticeText = "8888888b. 888 \n888 Y88b 888 \n888 888 888 \n888 d88P .d88b. .d88888 .d88b. .d88b. 88888b.d88b. .d88b. 888d888 \n8888888P\" d8P Y8b d88\" 888 d8P Y8b d8P Y8b 888 \"888 \"88b d8P Y8b 888P\" \n888 T88b 88888888 888 888 88888888 88888888 888 888 888 88888888 888 \n888 T88b Y8b. Y88b 888 Y8b. Y8b. 888 888 888 Y8b. 888 \n888 T88b \"Y8888 \"Y88888 \"Y8888 \"Y8888 888 888 888 \"Y8888 888 \n\nMade by Cerebrate - Dread Forums TOR\n[http://dreadytofatroptsdj6io7l3xptbet6onoyno2yv7jicoxknyazubrad.onion/]\n\n\n\n[Q1] What happened, I cannot open my files and they have an odd extension?\n[A1] Your files have been encrypted by Redeemer, a new ransomware operation.\n\n[Q2] Is there any way to recover my files?\n[A2] Yes, you can recover your files. This will however cost you money in XMR (Monero).\n\n[Q3] Is there any any way to recover my files without paying?\n[A3] Without paying it is impossible your files.\nRedeemer uses most secure algorithms and a sophisticated encryption scheme which guarantees security.\nWithout a proper key, you will never regain access to your files.\n\n[Q4] What is XMR (Monero)?\n[A4] It is a privacy oriented cryptocurrency.\nYou can learn more about Monero on getmonero.org.\nYou can view ways to purchase it on www.monero.how/how-to-buy-monero.\n\n[Q5] How will I decrypt my files?\n[A5] Follow the general instructions:\n-1. Buy 02 XMR.\n-2. Contact helpdecryptmyfiles@yandex.com and send the following key:\n\n-----BEGIN REDEEMER PUBLIC KEY-----\nMDOJ4SNegjzjos0DR8AZPMS2fhoBbCYNI6DkHo0KpjT7I0w9tF\nEm+Tem8spf8YpVrmN1CFm6zN1PgnMTLg07grAd6Bx9Q2KZUZK0\n4tyGKy9g56Mn4/cSGBKSN2J7wHnk8/U3+z7F9R+WyQd4VAQqPz\naD6vrs3j6kJHOIVarV2yhDiAaQvw6z8ZJWTcC7/1oJ7RA1Qhco\nFw35kICAJK9+UqMkUZp4bbC2+diaiy6mi6YCHb8yNkv4WzrX5N\nMmCha0ZEE1RAv0fb44D2OjvJx2e/DdzHjuiOSdosF4uyq/pN+0\np2NA2Qa+7CerttH35eByXP0SIS3bp2gY2VJmPh+5lRm9Xc63rw\n2+j+KzbMuWQfeKHwe4PVpxapiGSupELnZCft1ZifIm6Soizj2W\nUWFjJJw721HvBQl9nvEmTawghHBxE+PXJgUJi/ENqz9+vgPC2K\nHusiGs4QPt4OT/BahWLNW2bXj2uQfiw8OgugageNXHb2GM+rT7\nHg1eTaD8J1xE/1HiaxlQjJLFY1ywZtx4p1FcvgRaJNlmag4Nxb\nhy7e0cmGScrrSPcCysGjKQiEpqU2Bktop3N5eaKTLOFzQHRz3p\nasFA0VdKneojvAor8vyKqlJChLcAQMr2xKKskJgb693fcouZ4I\nhDSpHxwqoKOZDe7H0U3YBcKH0u/SEGiEa12w==\n-----END REDEEMER PUBLIC KEY-----\n\n-3. You will receive an XMR address where you will need to pay the requested amount of Monero.\n-4. After you pay and the payment is verified, you will receive a decryption tool and a key which will restore all your files and your computer back to normal."	calc.exe

Drops file in Windows directory 3 IoCs

Processes:

sqlsrvr.exe

description	ioc	process
File opened for modification	C:\Windows\TEST_\	sqlsrvr.exe
File created	C:\Windows\TEST_\calc.exe	sqlsrvr.exe
File opened for modification	C:\Windows\TEST_\calc.exe	sqlsrvr.exe

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

System Information Discovery
T1082
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Processes:

vssadmin.exe

pid process

1168 vssadmin.exe

pid	process
1168	vssadmin.exe

Modifies registry class 7 IoCs

Processes:

cmd.execmd.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.redeem\ = "redeemer"	cmd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\redeemer	cmd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\redeemer\Shell	cmd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\redeemer\Shell\Open	cmd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\redeemer\Shell\Open\Command	cmd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\redeemer\Shell\Open\Command\ = "\"C:\\Windows\\system32\\cmd.exe\" /c msg * Redeemer Ransowmare - this file cannot be opened until decrypted. Check ReadMe.TXT for more details how to decrypt your file."	cmd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.redeem	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

vssvc.exewevtutil.exewevtutil.exewevtutil.exewevtutil.execalc.exe

description	pid	process
Token: SeBackupPrivilege	1560	vssvc.exe
Token: SeRestorePrivilege	1560	vssvc.exe
Token: SeAuditPrivilege	1560	vssvc.exe
Token: SeSecurityPrivilege	1572	wevtutil.exe
Token: SeBackupPrivilege	1572	wevtutil.exe
Token: SeSecurityPrivilege	1376	wevtutil.exe
Token: SeBackupPrivilege	1376	wevtutil.exe
Token: SeSecurityPrivilege	284	wevtutil.exe
Token: SeBackupPrivilege	284	wevtutil.exe
Token: SeSecurityPrivilege	1224	wevtutil.exe
Token: SeBackupPrivilege	1224	wevtutil.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe
Token: SeTakeOwnershipPrivilege	1444	calc.exe

Suspicious use of WriteProcessMemory 60 IoCs

Processes:

sqlsrvr.execalc.execmd.execmd.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1556 wrote to memory of 1444	1556	sqlsrvr.exe	calc.exe
PID 1556 wrote to memory of 1444	1556	sqlsrvr.exe	calc.exe
PID 1556 wrote to memory of 1444	1556	sqlsrvr.exe	calc.exe
PID 1556 wrote to memory of 1444	1556	sqlsrvr.exe	calc.exe
PID 1444 wrote to memory of 1116	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1116	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1116	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1116	1444	calc.exe	cmd.exe
PID 1116 wrote to memory of 1168	1116	cmd.exe	vssadmin.exe
PID 1116 wrote to memory of 1168	1116	cmd.exe	vssadmin.exe
PID 1116 wrote to memory of 1168	1116	cmd.exe	vssadmin.exe
PID 1116 wrote to memory of 1168	1116	cmd.exe	vssadmin.exe
PID 1444 wrote to memory of 1336	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1336	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1336	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1336	1444	calc.exe	cmd.exe
PID 1336 wrote to memory of 1572	1336	cmd.exe	wevtutil.exe
PID 1336 wrote to memory of 1572	1336	cmd.exe	wevtutil.exe
PID 1336 wrote to memory of 1572	1336	cmd.exe	wevtutil.exe
PID 1336 wrote to memory of 1572	1336	cmd.exe	wevtutil.exe
PID 1444 wrote to memory of 1640	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1640	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1640	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1640	1444	calc.exe	cmd.exe
PID 1640 wrote to memory of 1376	1640	cmd.exe	wevtutil.exe
PID 1640 wrote to memory of 1376	1640	cmd.exe	wevtutil.exe
PID 1640 wrote to memory of 1376	1640	cmd.exe	wevtutil.exe
PID 1640 wrote to memory of 1376	1640	cmd.exe	wevtutil.exe
PID 1444 wrote to memory of 1404	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1404	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1404	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1404	1444	calc.exe	cmd.exe
PID 1404 wrote to memory of 284	1404	cmd.exe	wevtutil.exe
PID 1404 wrote to memory of 284	1404	cmd.exe	wevtutil.exe
PID 1404 wrote to memory of 284	1404	cmd.exe	wevtutil.exe
PID 1404 wrote to memory of 284	1404	cmd.exe	wevtutil.exe
PID 1444 wrote to memory of 1636	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1636	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1636	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1636	1444	calc.exe	cmd.exe
PID 1636 wrote to memory of 1224	1636	cmd.exe	wevtutil.exe
PID 1636 wrote to memory of 1224	1636	cmd.exe	wevtutil.exe
PID 1636 wrote to memory of 1224	1636	cmd.exe	wevtutil.exe
PID 1636 wrote to memory of 1224	1636	cmd.exe	wevtutil.exe
PID 1444 wrote to memory of 876	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 876	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 876	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 876	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1152	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1152	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1152	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1152	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 932	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 932	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 932	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 932	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1912	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1912	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1912	1444	calc.exe	cmd.exe
PID 1444 wrote to memory of 1912	1444	calc.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\sqlsrvr.exe
"C:\Users\Admin\AppData\Local\Temp\sqlsrvr.exe"
1⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1556

C:\Windows\TEST_\calc.exe
"C:\Windows\TEST_\calc.exe" C:\Users\Admin\AppData\Local\Temp\sqlsrvr.exe
2⤵
- Executes dropped EXE
- Modifies extensions of user files
- Deletes itself
- Drops desktop.ini file(s)
- Modifies WinLogon
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1444

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c vssadmin delete shadows /All /Quiet
3⤵
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\SysWOW64\vssadmin.exe
vssadmin delete shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:1168

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c wevtutil clear-log Application
3⤵
- Suspicious use of WriteProcessMemory
PID:1336

C:\Windows\SysWOW64\wevtutil.exe
wevtutil clear-log Application
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1572

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c wevtutil clear-log Security
3⤵
- Suspicious use of WriteProcessMemory
PID:1640

C:\Windows\SysWOW64\wevtutil.exe
wevtutil clear-log Security
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1376

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c wevtutil clear-log Setup
3⤵
- Suspicious use of WriteProcessMemory
PID:1404

C:\Windows\SysWOW64\wevtutil.exe
wevtutil clear-log Setup
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:284

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c wevtutil clear-log System
3⤵
- Suspicious use of WriteProcessMemory
PID:1636

C:\Windows\SysWOW64\wevtutil.exe
wevtutil clear-log System
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:1224

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
3⤵
PID:876

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c wbadmin delete systemstatebackup -deleteoldest -quiet
3⤵
PID:1152

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ftype redeemer="C:\Windows\system32\cmd.exe" /c msg * Redeemer Ransowmare - this file cannot be opened until decrypted. Check ReadMe.TXT for more details how to decrypt your file.
3⤵
- Modifies registry class
PID:932

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c assoc .redeem=redeemer
3⤵
- Modifies registry class
PID:1912

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1560

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Indicator Removal on Host

1

T1070

File Deletion

2

T1107

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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Downloads

C:\Windows\TEST_\calc.exe
MD5
e1338c42da2d2363afbbd0eeabad1ca9

SHA1
fe5d669b732c9227bb25787083906f49b732c335

SHA256
61c47effdf6b6eafd20e74a8a6b52da09e082fefef31c6ae4a2046b6a756050e

SHA512
bcc887777c3bcb778000893c15357abcc9a78009a1cd8ae325de787a918d98ded1100fe9b21b79b16fe1d44d5d9fe0147292164ff36cf12a13e9e31b02ed372a

Download Submit
\Windows\TEST_\calc.exe
MD5
e1338c42da2d2363afbbd0eeabad1ca9

SHA1
fe5d669b732c9227bb25787083906f49b732c335

SHA256
61c47effdf6b6eafd20e74a8a6b52da09e082fefef31c6ae4a2046b6a756050e

SHA512
bcc887777c3bcb778000893c15357abcc9a78009a1cd8ae325de787a918d98ded1100fe9b21b79b16fe1d44d5d9fe0147292164ff36cf12a13e9e31b02ed372a

Download Submit
memory/284-66-0x0000000000000000-mapping.dmp

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memory/876-69-0x0000000000000000-mapping.dmp

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memory/932-71-0x0000000000000000-mapping.dmp

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memory/1116-59-0x0000000000000000-mapping.dmp

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memory/1152-70-0x0000000000000000-mapping.dmp

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memory/1168-60-0x0000000000000000-mapping.dmp

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memory/1224-68-0x0000000000000000-mapping.dmp

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memory/1336-61-0x0000000000000000-mapping.dmp

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memory/1376-64-0x0000000000000000-mapping.dmp

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memory/1404-65-0x0000000000000000-mapping.dmp

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memory/1444-56-0x0000000000000000-mapping.dmp

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memory/1556-54-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

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memory/1572-62-0x0000000000000000-mapping.dmp

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memory/1636-67-0x0000000000000000-mapping.dmp

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memory/1640-63-0x0000000000000000-mapping.dmp

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memory/1912-72-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads