Overview

overview

10

Static

static

10

e30022d7e0...e3.exe

windows7-x64

9

e30022d7e0...e3.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    151s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-02-2024 18:00

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General

  • Target

    e30022d7e001f1c70299bf7cc788b199b895b0148d1153850aef16c38d5ea5e3.exe

  • Size

    205KB

  • MD5

    7e32ecc8c8dbd2c9cf7b516c6e5ba0f5

  • SHA1

    2730d4f05c06feadd41adade659eca234efd23d1

  • SHA256

    e30022d7e001f1c70299bf7cc788b199b895b0148d1153850aef16c38d5ea5e3

  • SHA512

    683e4a24f4053508f54283f361397417e844f58b1546c28b3bf7689c08c81e0285d27aa6f1399855abf750bb1ebef8138d4de01ddf5233e3af0a6fd642737f80

  • SSDEEP

    3072:JPgv1uTga8za7/aApO6fCR6kMgNjTX8jI8VD/dJJO04aN5uvvmRE7xIxT62Br09c:xKZTMPVDdzR1N5sAxBN9UDRWRd

Score
9/10
ransomware

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (4588) files with added filename extension

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

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • 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\e30022d7e001f1c70299bf7cc788b199b895b0148d1153850aef16c38d5ea5e3.exe
    "C:\Users\Admin\AppData\Local\Temp\e30022d7e001f1c70299bf7cc788b199b895b0148d1153850aef16c38d5ea5e3.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4944
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:912
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4780
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
      PID:4944

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files (x86)\FILE ENCRYPTED.txt
      Filesize

      334B

      MD5

      e4f855abc55b2bf304a66216e13c5ad8

      SHA1

      d72d90394f74a14a6cb27814a45575a322462fce

      SHA256

      e75a145c45cb21c0fa7df0b323b80a49e9e4cf4fe3901461fe521aa52e5ea87c

      SHA512

      85ff88a7a2a7a1d35c873e04084964b5ab74784144dfaca4c57b929ceddb8c6ecda5996877d95658544788b76d0dd98c218361c8884801672d93f81f6db087f8

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