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Overview

overview

10

Static

static

이력서(...�).exe

windows7_x64

10

이력서(...�).exe

windows10-2004_x64

10

Analysis

  • max time kernel
    132s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20220331-en
  • submitted
    13/04/2022, 01:40

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General

  • Target

    이력서(부족했던 부분들도 보강해서 보내드립니다 잘부탁드립니다).exe

  • Size

    971KB

  • MD5

    1ba7523c76e971353d27e9ea6ec8c524

  • SHA1

    a1c4f870568cf082ba0d2d70defb5b6b268c4684

  • SHA256

    27b3a2a3edfa308e17e57ca50ed33092e6ca7173e5109f8e94b9640fb2b09538

  • SHA512

    afd0289e13f3fe6b2162e1a983f4cc088e97bfa4be98d5075a3c14782b2f2e8632622bb758bf2bfd43b3853d29b78d8a83902c8d1c26d9f8a0a6b26842c0556e

Score
10/10
makopransomwarespywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\readme-warning.txt

Family

makop

Ransom Note
::: Greetings ::: Little FAQ: .1. Q: Whats Happen? A: Your files have been encrypted and now have the "noctua" extension. 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 in bitcoins. .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] or [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

  • 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
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\이력서(부족했던 부분들도 보강해서 보내드립니다 잘부탁드립니다).exe
    "C:\Users\Admin\AppData\Local\Temp\이력서(부족했던 부분들도 보강해서 보내드립니다 잘부탁드립니다).exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Users\Admin\AppData\Local\Temp\이력서(부족했던 부분들도 보강해서 보내드립니다 잘부탁드립니다).exe
      ﮅ
      2⤵
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Users\Admin\AppData\Local\Temp\이력서(부족했던 부분들도 보강해서 보내드립니다 잘부탁드립니다).exe
        "C:\Users\Admin\AppData\Local\Temp\이력서(부족했던 부분들도 보강해서 보내드립니다 잘부탁드립니다).exe" n1324
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2036
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 404
          4⤵
          • Program crash
          PID:1896
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1108
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:916
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          4⤵
          • Deletes backup catalog
          PID:1708
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 480
      2⤵
      • Program crash
      PID:1080
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1940
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:276
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:584
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
        PID:1964

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\270784608
        Filesize

        474.4MB

        MD5

        8f844347f6fb8b44c5cb45090269adfc

        SHA1

        0935dc97c31172d9bdf032c9295240a59d61a1d3

        SHA256

        2c9ae1f8696ac2ec818757c43bb8d2f10d09fa9f4ce3e8b32f1713532510026c

        SHA512

        568a59597f1f0e4faf342f5c551ebcae5e40409ca4533be0b6a33dc960b2f3db13cdc2459ed4ad6d2972b4631bfe691411b0cb8ed3ef44dbb64b2a8763393ced

        Download Submit

      • \Users\Admin\AppData\Local\Temp\nsd405C.tmp\System.dll
        Filesize

        12KB

        MD5

        cff85c549d536f651d4fb8387f1976f2

        SHA1

        d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

        SHA256

        8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

        SHA512

        531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

        Download Submit

      • \Users\Admin\AppData\Local\Temp\nsjAEC8.tmp\System.dll
        Filesize

        12KB

        MD5

        cff85c549d536f651d4fb8387f1976f2

        SHA1

        d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

        SHA256

        8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

        SHA512

        531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

        Download Submit

      • memory/852-54-0x0000000075941000-0x0000000075943000-memory.dmp

        Filesize

        8KB

        Download

      • memory/1324-58-0x0000000000408000-0x0000000000409000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1324-56-0x0000000000401000-0x0000000000407600-memory.dmp

        Filesize

        25KB

        Download

      • memory/1708-66-0x000007FEFC3B1000-0x000007FEFC3B3000-memory.dmp

        Filesize

        8KB

        Download