Overview

overview

10

Static

static

3

000db71531...46.exe

windows7-x64

10

Analysis

  • max time kernel
    18s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16-03-2024 10:45

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General

  • Target

    000db71531e5aa8b30594d305bb3fbce8e2c71f66e2170091ef58b3c1f306f46.exe

  • Size

    55KB

  • MD5

    ea6d3083f8c1c506fbff457bf09a7ed8

  • SHA1

    f159c4fc7d13571e725f0ae9e0749c77cf859b4e

  • SHA256

    000db71531e5aa8b30594d305bb3fbce8e2c71f66e2170091ef58b3c1f306f46

  • SHA512

    1167b9ebe03c399c5915394592f97ce60bd07e92f589a4a0d794255c7a9c46423dd28efbf96b45aab6a67763a20676627f35683cc6790bf1383c7f07b6e28405

  • SSDEEP

    1536:ENeRBl5PT/rx1mzwRMSTdLpJVIVAxN/0nVS12:EQRrmzwR5JiWxNIJ

Score
10/10
phobosevasionpersistenceransomware

Malware Config

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

    ransomwarephobos
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (63) files with added filename extension

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

    ransomware
  • Modifies Windows Firewall 2 TTPs 2 IoCs
    evasion
  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops desktop.ini file(s) 4 IoCs
  • 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 19 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of WriteProcessMemory 17 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\000db71531e5aa8b30594d305bb3fbce8e2c71f66e2170091ef58b3c1f306f46.exe
    "C:\Users\Admin\AppData\Local\Temp\000db71531e5aa8b30594d305bb3fbce8e2c71f66e2170091ef58b3c1f306f46.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Users\Admin\AppData\Local\Temp\000db71531e5aa8b30594d305bb3fbce8e2c71f66e2170091ef58b3c1f306f46.exe
      "C:\Users\Admin\AppData\Local\Temp\000db71531e5aa8b30594d305bb3fbce8e2c71f66e2170091ef58b3c1f306f46.exe"
      2⤵
        PID:3052
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3020
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:2620
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:1800
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2548
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2628
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2396
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2500

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPsWW.cab.id[7D017904-2803].[[email protected]].eight
      Filesize

      20.1MB

      MD5

      a3394e8ecb543eb76f3f6c67cd371c8c

      SHA1

      94a532a66ecce833f2df50cd2e04ad8b32c90bfa

      SHA256

      16c59bb4aefe19f81cbd4cfd90c0eb6e99c2c478c5d3507d2750ef577f2a9efa

      SHA512

      8bd1a92808e16e6291fab41ce84964fe91a02dca95faef9aa5a512faa9a21d88d5e20c567c9628ddb67a6f85b1adc7b56e3e819ce4b3f5d43120a5bf8aae647b

      Download Submit

    • memory/2500-441-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

      Download

    • memory/2500-465-0x0000000140000000-0x00000001405E8000-memory.dmp

      Filesize

      5.9MB

      Download