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Overview

overview

10

Static

static

10

f4e2bab6cb...39.exe

windows7-x64

10

f4e2bab6cb...39.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    51s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2022, 07:03

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General

  • Target

    f4e2bab6cb056c8e644e4b8d4dac7cbf2b972d763f396a475e9fb539438de839.exe

  • Size

    42KB

  • MD5

    5884482db6adca2b8476c395c66805e7

  • SHA1

    4c5b8b834d7d9e8b1316a1b8d2e7b9024022d4ce

  • SHA256

    f4e2bab6cb056c8e644e4b8d4dac7cbf2b972d763f396a475e9fb539438de839

  • SHA512

    4e1007fb311c474217b8dfb810d04c2b188deadf56dcd81ee532a48abeb5fc29ff0eae7628cda5aa78f690f46c2370dfb3379e270ee03e83025f7a872f99e52d

  • SSDEEP

    768:AO1oR/RVS1RzK4wbs+D/SIJX+ZZ1SQQwZuIOPzDsUky5DuGMKKz0YnW:AXS1FKnDtkuImNNxFKU

Score
10/10
ransomware

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\+README-WARNING+.txt

Ransom Note
::: Greetings ::: Little FAQ: .1. Q: Whats Happen? A: Your files have been encrypted. The file structure was not damaged, we did everything possible so that this could not happen. .2. Q: How to recover files? A: If you wish to decrypt your files you will need to pay us. .3. Q: What about guarantees? A: Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will cooperate with us. Its not in our interests. To check the ability of returning files, you can send to us any 2 files with SIMPLE extensions(jpg,xls,doc, etc... not databases!) and low sizes(max 1 mb), we will decrypt them and send back to you. That is our guarantee. .4. Q: How to contact with you? A: You can write us to our mailbox: [email protected] .5. Q: How will the decryption process proceed after payment? A: After payment we will send to you our scanner-decoder program and detailed instructions for use. With this program you will be able to decrypt all your encrypted files. .6. Q: If I don�t want to pay bad people like you? A: If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause only we have the private key. In practice - time is much more valuable than money. :::BEWARE::: DON'T try to change encrypted files by yourself! If you will try to use any third party software for restoring your data or antivirus solutions - please make a backup for all encrypted files! Any changes in encrypted files may entail damage of the private key and, as result, the loss all data.

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4e2bab6cb056c8e644e4b8d4dac7cbf2b972d763f396a475e9fb539438de839.exe
    "C:\Users\Admin\AppData\Local\Temp\f4e2bab6cb056c8e644e4b8d4dac7cbf2b972d763f396a475e9fb539438de839.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\f4e2bab6cb056c8e644e4b8d4dac7cbf2b972d763f396a475e9fb539438de839.exe
      "C:\Users\Admin\AppData\Local\Temp\f4e2bab6cb056c8e644e4b8d4dac7cbf2b972d763f396a475e9fb539438de839.exe" n1612
      2⤵
        PID:1952
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1708
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:908
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:1856
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1908
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1960
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1412
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:1736
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
          PID:1988
        • C:\Windows\system32\Dwm.exe
          "C:\Windows\system32\Dwm.exe"
          1⤵
            PID:1208
          • C:\Windows\explorer.exe
            "C:\Windows\explorer.exe"
            1⤵
              PID:1744
            • C:\Windows\system32\AUDIODG.EXE
              C:\Windows\system32\AUDIODG.EXE 0x454
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:316

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • memory/1612-54-0x0000000076681000-0x0000000076683000-memory.dmp

              Filesize

              8KB

              Download

            • memory/1856-59-0x000007FEFBD91000-0x000007FEFBD93000-memory.dmp

              Filesize

              8KB

              Download