General
Target

706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe

Filesize

79KB

Completed

23-11-2021 18:18

Task

behavioral2

Score
10/10
MD5

62a1b4d4b461f4eaae91c70727f71604

SHA1

1ced9a7e62aa65faa03eb1ad2bc786e9d9b5f6c2

SHA256

706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d

SHA256

d14f989f5f54663c3ea63526a000e8db5d172046e37f412ed47cd31eb14db071b515b854bbb3ab3d2f41f936b6962583aaa0b3ef1236aa2506148813f66ad542

Malware Config

Extracted

Path

C:\WRLMMTHME.README.txt

Family

blackmatter

Ransom Note
~+ * + ' BLACK | () .-.,='``'=. - o - '=/_ \ | * | '=._ | \ `=./`, ' . '=.__.=' `=' * + Matter + O * ' . >>> What happens? Your network is encrypted, and currently not operational. We need only money, after payment we will give you a decryptor for the entire network and you will restore all the data. >>> What data stolen? From your network was stolen 1000 GB of data. If you do not contact us we will publish all your data in our blog and will send it to the biggest mass media. Blog post link: http://blackmax7su6mbwtcyo3xwtpfxpm356jjqrs34y4crcytpw7mifuedyd.onion/72oJjilhMD/6d067a8741848166fa2ac1e69472280c >>> What guarantees? We are not a politically motivated group and we do not need anything other than your money. If you pay, we will provide you the programs for decryption and we will delete your data. If we do not give you decrypters or we do not delete your data, no one will pay us in the future, this does not comply with our goals. We always keep our promises. >> How to contact with us? 1. Download and install TOR Browser (https://www.torproject.org/). 2. Open http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/X3452I2VDTHM30QX >> Warning! Recovery recommendations. We strongly recommend you to do not MODIFY or REPAIR your files, that will damage them.
URLs

http://blackmax7su6mbwtcyo3xwtpfxpm356jjqrs34y4crcytpw7mifuedyd.onion/72oJjilhMD/6d067a8741848166fa2ac1e69472280c

http://supp24yy6a66hwszu2piygicgwzdtbwftb76htfj7vnip3getgqnzxid.onion/X3452I2VDTHM30QX

Signatures 11

Filter: none

Defense Evasion
Discovery
Impact
  • BlackMatter Ransomware

    Description

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

  • suricata: ET MALWARE BlackMatter CnC Activity

    Description

    suricata: ET MALWARE BlackMatter CnC Activity

    Tags

  • suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)

    Description

    suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)

    Tags

  • suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (nowautomation .com)

    Description

    suricata: ET MALWARE BlackMatter CnC Domain in DNS Lookup (nowautomation .com)

    Tags

  • Modifies extensions of user files
    706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe

    Description

    Ransomware generally changes the extension on encrypted files.

    Tags

    Reported IOCs

    descriptioniocprocess
    File opened for modificationC:\Users\Admin\Pictures\MoveTrace.tif.WRLMMTHME706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    File opened for modificationC:\Users\Admin\Pictures\SetClear.png.WRLMMTHME706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    File renamedC:\Users\Admin\Pictures\MoveTrace.tif => C:\Users\Admin\Pictures\MoveTrace.tif.WRLMMTHME706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    File opened for modificationC:\Users\Admin\Pictures\ExportConvert.tiff706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    File opened for modificationC:\Users\Admin\Pictures\InitializeOut.png.WRLMMTHME706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    File renamedC:\Users\Admin\Pictures\ResizeTrace.raw => C:\Users\Admin\Pictures\ResizeTrace.raw.WRLMMTHME706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    File opened for modificationC:\Users\Admin\Pictures\ResizeTrace.raw.WRLMMTHME706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    File opened for modificationC:\Users\Admin\Pictures\ExportConvert.tiff.WRLMMTHME706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    File renamedC:\Users\Admin\Pictures\InitializeOut.png => C:\Users\Admin\Pictures\InitializeOut.png.WRLMMTHME706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    File opened for modificationC:\Users\Admin\Pictures\RevokeCompare.raw.WRLMMTHME706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    File renamedC:\Users\Admin\Pictures\SetClear.png => C:\Users\Admin\Pictures\SetClear.png.WRLMMTHME706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    File renamedC:\Users\Admin\Pictures\WaitFormat.raw => C:\Users\Admin\Pictures\WaitFormat.raw.WRLMMTHME706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    File opened for modificationC:\Users\Admin\Pictures\WaitFormat.raw.WRLMMTHME706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    File renamedC:\Users\Admin\Pictures\ExportConvert.tiff => C:\Users\Admin\Pictures\ExportConvert.tiff.WRLMMTHME706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    File renamedC:\Users\Admin\Pictures\RevokeCompare.raw => C:\Users\Admin\Pictures\RevokeCompare.raw.WRLMMTHME706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
  • Enumerates connected drives
    706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe

    Description

    Attempts to read the root path of hard drives other than the default C: drive.

    TTPs

    Query RegistryPeripheral Device DiscoverySystem Information Discovery

    Reported IOCs

    descriptioniocprocess
    File opened (read-only)\??\Z:706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
  • Sets desktop wallpaper using registry
    706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe

    Tags

    TTPs

    DefacementModify Registry

    Reported IOCs

    descriptioniocprocess
    Set value (str)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\WRLMMTHME.bmp"706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\WallPaper = "C:\\ProgramData\\WRLMMTHME.bmp"706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
  • Suspicious use of NtSetInformationThreadHideFromDebugger
    706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe

    Reported IOCs

    pidprocess
    2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
  • Modifies Control Panel
    706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe

    Tags

    Reported IOCs

    descriptioniocprocess
    Key created\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\International706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Key created\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Set value (str)\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Control Panel\Desktop\WallpaperStyle = "10"706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
  • Suspicious behavior: EnumeratesProcesses
    706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe

    Reported IOCs

    pidprocess
    2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
  • Suspicious use of AdjustPrivilegeToken
    706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exevssvc.exe

    Reported IOCs

    descriptionpidprocess
    Token: SeBackupPrivilege2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Token: SeDebugPrivilege2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Token: 362740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Token: SeImpersonatePrivilege2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Token: SeIncBasePriorityPrivilege2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Token: SeIncreaseQuotaPrivilege2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Token: 332740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Token: SeManageVolumePrivilege2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Token: SeProfSingleProcessPrivilege2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Token: SeRestorePrivilege2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Token: SeSecurityPrivilege2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Token: SeSystemProfilePrivilege2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Token: SeTakeOwnershipPrivilege2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Token: SeShutdownPrivilege2740706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    Token: SeBackupPrivilege2808vssvc.exe
    Token: SeRestorePrivilege2808vssvc.exe
    Token: SeAuditPrivilege2808vssvc.exe
Processes 2
  • C:\Users\Admin\AppData\Local\Temp\706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    "C:\Users\Admin\AppData\Local\Temp\706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe"
    Modifies extensions of user files
    Enumerates connected drives
    Sets desktop wallpaper using registry
    Suspicious use of NtSetInformationThreadHideFromDebugger
    Modifies Control Panel
    Suspicious behavior: EnumeratesProcesses
    Suspicious use of AdjustPrivilegeToken
    PID:2740
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    Suspicious use of AdjustPrivilegeToken
    PID:2808
Network
MITRE ATT&CK Matrix
Collection
    Command and Control
      Credential Access
        Defense Evasion
        Execution
          Exfiltration
            Impact
            Initial Access
              Lateral Movement
                Persistence
                  Privilege Escalation
                    Replay Monitor
                    00:00 00:00
                    Downloads
                    • memory/2740-115-0x0000000002753000-0x0000000002755000-memory.dmp

                    • memory/2740-116-0x0000000002750000-0x0000000002751000-memory.dmp