blackbasta | ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e

General

Target

ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
Size

543KB
MD5

53fdeb923b1890d29b8f29da77995938
SHA1

a996ccd0d58125bf299e89f4c03ff37afdab33fc
SHA256

ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e
SHA512

7c78e880f3d2dfc163625ff3d0b4676aa6a083dbbeac270520679f6b21d1c449c5af720ca7b9a68b5b3309e2de8d586cfed5d9b3a78d006e6d981a1aaf88c535
SSDEEP

12288:M1DTMHixr1moQqUiXINDl/m1s6BQio67VlAU:AzmoQqUiXw2s6yiVxR

Score

10^/10

blackbasta ransomware

Malware Config

Extracted

Path

C:\readme.txt

Ransom Note

Your data are stolen and encrypted The data will be published on TOR website if you do not pay the ransom You can contact us and decrypt one file for free on this TOR site (you should download and install TOR browser first https://torproject.org) https://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion:80/ Your company id for log in: ba7a7058-3531-4b67-bae6-d602e9110361

URLs

https://aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion:80/

Signatures

Black Basta
A ransomware family targeting Windows and Linux ESXi first seen in February 2022.
ransomware blackbasta
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dlaksjdoiwq.jpg"	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe

Drops file in Program Files directory 64 IoCs

Processes:

ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe

description	ioc	process
File opened for modification	C:\Program Files\Internet Explorer\ie9props.propdesc	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\Mozilla Firefox\gmp-clearkey\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.cfg	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\UnblockCopy.ps1	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\7-Zip\Lang\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\7-Zip\License.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\api-ms-win-crt-time-l1-1-0.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files (x86)\Internet Explorer\it-IT\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\PublishShow.wmv	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\Microsoft Games\Solitaire\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\Mozilla Firefox\defaults\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\lgpllibs.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\mozglue.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files (x86)\Common Files\microsoft shared\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\DiagnosticsTap.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files (x86)\Microsoft Visual Studio 8\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\api-ms-win-crt-locale-l1-1-0.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\api-ms-win-core-localization-l1-2-0.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\ieproxy.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\DVD Maker\Pipeline.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\msvcp140.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\Microsoft Office\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\ConvertFromReceive.svg	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\Microsoft Games\Chess\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\Common Files\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\7-Zip\descript.ion	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\DVD Maker\Eurosti.TTF	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\Microsoft Games\SpiderSolitaire\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files (x86)\Google\CrashReports\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files (x86)\Google\Policies\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\SaveRemove.hta	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\7-Zip\7z.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\DVD Maker\OmdBase.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\networkinspection.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\DVD Maker\de-DE\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\DVD Maker\sonicsptransform.ax	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\xul.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Internet Explorer\networkinspection.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Internet Explorer\pdm.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\MSBuild\Microsoft\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\VideoLAN\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\RegisterWatch.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\DVD Maker\en-US\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files (x86)\Common Files\Adobe\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\D3DCompiler_47.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\xul.dll.sig	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\application.ini	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files (x86)\Reference Assemblies\Microsoft\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\Reference Assemblies\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\DVD Maker\fieldswitch.ax	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\IA2Marshal.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\Common Files\System\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nssckbi.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files (x86)\Internet Explorer\es-ES\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files (x86)\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\TestTrace.easmx	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File created	C:\Program Files\Common Files\Services\readme.txt	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
File opened for modification	C:\Program Files\Mozilla Firefox\api-ms-win-crt-environment-l1-1-0.dll	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe

Interacts with shadow copies 2 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Processes:

vssadmin.exevssadmin.exe

pid process

1984 vssadmin.exe
2024 vssadmin.exe

pid	process
1984	vssadmin.exe
2024	vssadmin.exe

Modifies registry class 3 IoCs

Processes:

ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.basta\DefaultIcon	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.basta	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.basta\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fkdjsadasd.ico"	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 2008 vssvc.exe
Token: SeRestorePrivilege 2008 vssvc.exe
Token: SeAuditPrivilege 2008 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	2008	vssvc.exe
Token: SeRestorePrivilege	2008	vssvc.exe
Token: SeAuditPrivilege	2008	vssvc.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.execmd.execmd.exe

description	pid	process	target process
PID 876 wrote to memory of 1044	876	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe	cmd.exe
PID 876 wrote to memory of 1044	876	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe	cmd.exe
PID 876 wrote to memory of 1044	876	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe	cmd.exe
PID 876 wrote to memory of 1044	876	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe	cmd.exe
PID 1044 wrote to memory of 2024	1044	cmd.exe	vssadmin.exe
PID 1044 wrote to memory of 2024	1044	cmd.exe	vssadmin.exe
PID 1044 wrote to memory of 2024	1044	cmd.exe	vssadmin.exe
PID 1044 wrote to memory of 2024	1044	cmd.exe	vssadmin.exe
PID 876 wrote to memory of 1528	876	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe	cmd.exe
PID 876 wrote to memory of 1528	876	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe	cmd.exe
PID 876 wrote to memory of 1528	876	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe	cmd.exe
PID 876 wrote to memory of 1528	876	ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe	cmd.exe
PID 1528 wrote to memory of 1984	1528	cmd.exe	vssadmin.exe
PID 1528 wrote to memory of 1984	1528	cmd.exe	vssadmin.exe
PID 1528 wrote to memory of 1984	1528	cmd.exe	vssadmin.exe
PID 1528 wrote to memory of 1984	1528	cmd.exe	vssadmin.exe

C:\Users\Admin\AppData\Local\Temp\ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe
"C:\Users\Admin\AppData\Local\Temp\ae7c868713e1d02b4db60128c651eb1e3f6a33c02544cc4cb57c3aa6c6581b6e.exe"
1⤵
- Sets desktop wallpaper using registry
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:876

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
2⤵
- Suspicious use of WriteProcessMemory
PID:1044

C:\Windows\system32\vssadmin.exe
C:\Windows\SysNative\vssadmin.exe delete shadows /all /quiet
3⤵
- Interacts with shadow copies
PID:2024

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\System32\vssadmin.exe delete shadows /all /quiet
2⤵
- Suspicious use of WriteProcessMemory
PID:1528

C:\Windows\SysWOW64\vssadmin.exe
C:\Windows\System32\vssadmin.exe delete shadows /all /quiet
3⤵
- Interacts with shadow copies
PID:1984

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2008

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

Defacement

1

T1491

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Downloads

memory/876-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/1044-55-0x0000000000000000-mapping.dmp

Download
memory/1528-57-0x0000000000000000-mapping.dmp

Download
memory/1984-58-0x0000000000000000-mapping.dmp

Download
memory/2024-56-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads