Overview

overview

10

Static

static

3

5ac385a18e...3f.exe

windows7-x64

10

5ac385a18e...3f.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    14-01-2024 08:25

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General

  • Target

    5ac385a18e905a102641064be708783f.exe

  • Size

    171KB

  • MD5

    5ac385a18e905a102641064be708783f

  • SHA1

    dda176956d5df2fda89aa567c610dd73141a509f

  • SHA256

    c648f1cae038bc878bc5f41fc7696112dcdb953cc2af59235c3c9708bd562f7a

  • SHA512

    088f28fd4757b2d35110c3088231a7d2d0c95817172cf72a62daf5e8f850ff62a2204208848f9ed0f7ec8a7b145e44497658649a45bf898c4886abd76a0b443d

  • SSDEEP

    3072:ovGyYiSDnt195GWp1icKAArDZz4N9GhbkrNEk1X8z1Adh6rQI4:M4Lp0yN90QEhjrQf

Score
10/10
makoppersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\readme-warning.txt

Ransom Note
All of your files have been encrypted. Your backup files as well. We have exfiltrated tons of your private data to our servers including data of your clients, dont believe us ? Read on. In order to restore your operations, avoid leaking/selling your data, and keep your business reputation intact, contact us directly on the below TOX ID as soon as possible. 1) TOX Download: https://tox.chat/ 2) TOX ID: 4A7F41CC6A5B87AF99450066F313C224D4E0E5501414670A8C5B802403E6292F859F178BB85F 3) Install TOX and add the TOX ID in the step 2 4) Share your personal ID over TOX chat (Do not send hello without your personal ID provided below) Upon contacting us, proof will be provided that we can decrypt your data, and samples of exfiltrated confidential information will also be provided. Although its not our intention , if you do not cooperate , we will not hesitate to make your data public including any confidential data , sell to your competitors/bidders , or send your clients their data just to make you look really bad and lose your clients trust , or even worse , being prosecuted for not telling your affected clients that their data has been compromised. Talking to law enforcement will only ensure that you don't get a decryption key and put your business reputation on the line. Attention! - Do not rename encrypted files. - Do not try to decrypt your data using third party software, it may cause permanent data loss. Your personal ID: 57200DC3
URLs

https://tox.chat/

Signatures

  • MAKOP ransomware payload 1 IoCs
  • Makop

    Ransomware family discovered by @VK_Intel in early 2020.

    ransomwaremakop
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (8203) 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
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • 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 17 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\5ac385a18e905a102641064be708783f.exe
    "C:\Users\Admin\AppData\Local\Temp\5ac385a18e905a102641064be708783f.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\o.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\o.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2772
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\o.exe
        "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\o.exe" n2772
        3⤵
        • Executes dropped EXE
        PID:2344
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2712
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:2812
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:2656
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2960
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2692
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2212
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:1676
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:2684

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\readme-warning.txt
        Filesize

        1KB

        MD5

        9528950551c2de64f0982f02475849c0

        SHA1

        648ff7e4e42b04d56f4620aae5b6519dbbad6468

        SHA256

        510527908807b8222c2706eb765d18cfe74ad92d9092869debdd0a7a5910d51b

        SHA512

        b013dff3180498f49b6684857bb41d14adff251da0982d54336ce4dc6a108c11e778170a24fd6d807eb0ce503909fa4cb0fb9a0773af433ffee10e8a8967b5f8

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      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\o.exe
        Filesize

        34KB

        MD5

        951dce6731c5f3d2dae570597bc19d59

        SHA1

        cb32d6679e51d454bc9b3aa5ceb071302cbe2147

        SHA256

        eee8150ba918a7ed099074a1b87a97b3c7f6648a763eedd7096acf16f40e0a73

        SHA512

        3ea6dca684a7671e3371740f9d91f8bc6b10119ae492949585e1bc8789b56f6d110f833f8684489fbfc4dda3d733fc127c242ae840cd262a89b44952dcc4fb09

        Download Submit