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Overview

overview

10

Static

static

10

56f7b48f38...59.exe

windows7-x64

10

56f7b48f38...59.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    113s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22/01/2024, 15:53

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General

  • Target

    56f7b48f3877743c44aef0f3e990b3387dd6185f1c40a7477f5b6bad64960659.exe

  • Size

    42KB

  • MD5

    abb04a0418be9cc4618f393d7fc9d76b

  • SHA1

    dbe3b07ab1383e4d693bb6cab17ad8a7c1c5cd7b

  • SHA256

    56f7b48f3877743c44aef0f3e990b3387dd6185f1c40a7477f5b6bad64960659

  • SHA512

    f7bce71f01ffae675a8b8a23a8f2e4d162ccefc349beadb84ffcca890dc68ed636acf4f7d694145c779125078f6634f30aed5f5651ee6c12dc4768f7c0a0f47b

  • SSDEEP

    768:QO1oR/8VS1RzK4wbs+D/SIJX+ZZ1SQQwZuIOPzDsHw67ZY23IWSjNV:QgS1FKnDtkuImsHw6V73ejNV

Score
10/10
ransomware

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\+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
  • Renames multiple (3268) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    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 46 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\56f7b48f3877743c44aef0f3e990b3387dd6185f1c40a7477f5b6bad64960659.exe
    "C:\Users\Admin\AppData\Local\Temp\56f7b48f3877743c44aef0f3e990b3387dd6185f1c40a7477f5b6bad64960659.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\56f7b48f3877743c44aef0f3e990b3387dd6185f1c40a7477f5b6bad64960659.exe
      "C:\Users\Admin\AppData\Local\Temp\56f7b48f3877743c44aef0f3e990b3387dd6185f1c40a7477f5b6bad64960659.exe" n2208
      2⤵
        PID:2196
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2260
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2712
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:2860
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:588
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2812
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2648
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:2420
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
          PID:324
        • C:\Windows\system32\Dwm.exe
          "C:\Windows\system32\Dwm.exe"
          1⤵
            PID:2660

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\+README-WARNING+.txt
            Filesize

            1KB

            MD5

            29abe2cf61968275a38bcf735c875d5d

            SHA1

            4386674a153df8a4a1dc81bcf976ffae29299b2f

            SHA256

            463c885a5b5cf4b8447e11fddf5b2028c8adf0974f6bb3178454bf26bb3082e6

            SHA512

            261193ffe16866ed90f20ef293876c619393ce7e29a75cfba87badd2f34f2bed8338728a0a0ce505b6817adab04e9e22826cdd42f7917b434c1b978f07dc5871

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