Analysis

  • max time kernel
    106s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250410-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/04/2025, 14:49

General

  • Target

    2025-04-11_bea663ba7b6ed934d7e41950010d6c22_elex_makop.exe

  • Size

    42KB

  • MD5

    bea663ba7b6ed934d7e41950010d6c22

  • SHA1

    e01fc5f2dd09784e194fe336334c5b54b76fadbc

  • SHA256

    1418f96bb8de8270e496c2676c5c567ceba03d195f198770352107c73c19fb01

  • SHA512

    b9a5093a1b1078e51176ef31bf88034f0fa0be5f3a97dcb3c59b64e8939b15498adc0f228c68ba084fc6506eabe4c16491e7dacd177ef502909b5f08a61df8b6

  • SSDEEP

    768:ono/YW1wUFGKQI1LSi/TqBKjBg1PuCu7bxGW60596iwL1gw6+fTmIHZDS6/0gTHd:onzW1w1TI1rTEKjBgU9h596I+fTDBSz1

Malware Config

Extracted

Path

C:\Program Files\7-Zip\readme-warning.txt

Ransom Note
Hello my dear friend Unfortunately for you, a major IT security weakness left you open to attack, your files have been encrypted If you want to restore them, install ICQ software on your PC https://icq.com/windows/ or on your mobile phone search in Appstore / Google market ICQ Write to our ICQ @Lookfornewitguy https://icq.im/Lookfornewitguy Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. As early you write us - then lower will be price We give all guarantees of your files decryption
URLs

https://icq.com/windows/

https://icq.im/Lookfornewitguy

Signatures

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Renames multiple (9349) files with added filename extension

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

  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 8 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 3 TTPs 1 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of WriteProcessMemory 29 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.

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-04-11_bea663ba7b6ed934d7e41950010d6c22_elex_makop.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-04-11_bea663ba7b6ed934d7e41950010d6c22_elex_makop.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5184
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3712
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:6108
      • C:\Windows\system32\wbadmin.exe
        wbadmin delete catalog -quiet
        3⤵
        • Deletes backup catalog
        PID:2136
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1300
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme-warning.txt
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4736
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme-warning.txt
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5900
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme-warning.txt
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2892
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme-warning.txt
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2568
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme-warning.txt
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2864
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme-warning.txt
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1312
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\readme-warning.txt
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4576
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4984
  • C:\Windows\system32\wbengine.exe
    "C:\Windows\system32\wbengine.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:208
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:2000
    • C:\Windows\System32\vds.exe
      C:\Windows\System32\vds.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:3208

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

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    Downloads

    • C:\Program Files\7-Zip\readme-warning.txt

      Filesize

      588B

      MD5

      6ea94c7771c90caa1622897571e1f1bf

      SHA1

      02892cd85d27e197ac3ad50252c997683491a82d

      SHA256

      f42c5bb7fce5b4d0af8a08bf4d0d0c183f7158bfd7561d639e398b3b3e02d3dd

      SHA512

      474e26492aa91036931afaef1f826c02069feee0dc52427a784941fa674fcd68f0a46820b3a9fbfd29a529f128d286a45e8439452de565a3dcedd284d5644094

    • C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\TempState\CortanaUnifiedTileModelCache.dat

      Filesize

      11KB

      MD5

      c11e14c7937b02dccb9918b4510fba43

      SHA1

      d6494bed592f1125825229b0431c8a5058cbd993

      SHA256

      a6bb5062f61deb0ab6d502454f995fa3c56fafa9c58d06eb1d52869af7a47175

      SHA512

      57c557ab7e9d7f43c49b3edc6b236171a8d84c4a62782b636d76d03d2df30d087adf7e61344f34cd612ce8cc5ab7b3e0b9e48e42196dca883a0757385a826eaf