Overview

overview

10

Static

static

10

706f3eec32...9d.exe

windows7_x64

10

706f3eec32...9d.exe

windows10_x64

10

Analysis

  • max time kernel
    146s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    23-11-2021 18:16

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General

  • Target

    706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe

  • Size

    79KB

  • MD5

    62a1b4d4b461f4eaae91c70727f71604

  • SHA1

    1ced9a7e62aa65faa03eb1ad2bc786e9d9b5f6c2

  • SHA256

    706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d

  • SHA512

    d14f989f5f54663c3ea63526a000e8db5d172046e37f412ed47cd31eb14db071b515b854bbb3ab3d2f41f936b6962583aaa0b3ef1236aa2506148813f66ad542

Score
10/10
blackmatterransomwaresuricata

Malware Config

Extracted

Path

C:\6amPnJyPq.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

  • BlackMatter Ransomware

    BlackMatter ransomware group claims to be Darkside and REvil succesor.

    ransomwareblackmatter
  • suricata: ET MALWARE BlackMatter CnC Activity

    suricata: ET MALWARE BlackMatter CnC Activity

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

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

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

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

    suricata
  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Control Panel 3 IoCs
    evasion
  • Modifies registry class 20 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe
    "C:\Users\Admin\AppData\Local\Temp\706f3eec328e91ff7f66c8f0a2fb9b556325c153a329a2062dc85879c540839d.exe"
    1⤵
    • Modifies extensions of user files
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:984
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" /p C:\6amPnJyPq.README.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      • Suspicious use of WriteProcessMemory
      PID:1316
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:1564
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1320

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Replay Monitor

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Downloads

  • C:\6amPnJyPq.README.txt
    MD5

    1ba53a2b703aeb54647185c18cc1ddbd

    SHA1

    0bf081ef67e7c9fb4e55c53f56aa332a17740a7a

    SHA256

    74e29716d6211d4c26ab0c3184affef6f275bfbfab2ec4dd4fb776fb76065173

    SHA512

    15f7a5870ad2decf6b09c56a6b5e3f5803e5071749fd4638470c19e02ef1fd0c4438e8f7e62a9f7b8792cd1893e748def44a0a8026f10c4a0268feecae9cf617

    Download Submit
  • C:\Users\Admin\Documents\ExportImport.xps.6amPnJyPq
    MD5

    b07a8b48e1ad2112bf5a7c1c5da6e34e

    SHA1

    950d542c35d46e628120728aaeb6e070aa968337

    SHA256

    89d618241c06f8048228e5f067c1544d9582abce509fb93140c20f0d4446443c

    SHA512

    828fe58462bcd0419d183b91bb228a85f1f0470ed1b3b00a19180f00599d3ec663407ed40909f6f74d30f913bfcf6892baf6b57cdfc4152786f8690f7d204edc

    Download Submit
  • C:\Users\Admin\Documents\OpenRemove.xps.6amPnJyPq
    MD5

    038992682b33a9cf46b7dbaec66290e5

    SHA1

    b17d7fdc103d79a43cb9186239a3feb9d0b2ae7b

    SHA256

    517ce875325257636a374d4744b22e3708f12b8bdb794e48e1638bab00411c3f

    SHA512

    8255e86fafe5578b7abbac2935bba9fc888d2b2aae4c9468ba6c769177d0202e8fcf81b9b60c375e88d3a6217e35cd5b4327c50b568befd093330e369bc4d329

    Download Submit
  • C:\Users\Admin\Documents\ProtectComplete.xps.6amPnJyPq
    MD5

    5559be895f8343801c5e3dd1eb2c1d3c

    SHA1

    1c12cd097b8efa907dcc33b32b0358d4e3e6a286

    SHA256

    62005f8c9deb25600ca76c463a5814bf572f039755b143a4a9e0271660b0232d

    SHA512

    27f6a3ddac14eec3ffa82987ec217d4b0c4d830fd016ed6eff560bab81f22bfa53333e59dac14a0c5943be98052ecbbb552da3686e6997ff6ecd9b3c4e3241f9

    Download Submit
  • memory/984-55-0x0000000075AC1000-0x0000000075AC3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/984-56-0x0000000000835000-0x0000000000846000-memory.dmp
    Filesize

    68KB

    Download
  • memory/984-57-0x0000000000830000-0x0000000000831000-memory.dmp
    Filesize

    4KB

    Download
  • memory/984-58-0x0000000000846000-0x0000000000847000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1316-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1564-62-0x0000000000000000-mapping.dmp
    Download
  • memory/1564-63-0x000007FEFB7E1000-0x000007FEFB7E3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1564-67-0x0000000004140000-0x0000000004141000-memory.dmp
    Filesize

    4KB

    Download