Overview

overview

10

Static

static

d50b23e12c...af.exe

windows7-x64

10

d50b23e12c...af.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2023 20:20

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General

  • Target

    d50b23e12c661bb78fa3cb317e679fabc4178600048572368bec173a520e4aaf.exe

  • Size

    55KB

  • MD5

    498ee5cf9c611ba7ed2379414d0bb010

  • SHA1

    c4f779d08633a53e7a03c702eafbe3314055aa18

  • SHA256

    d50b23e12c661bb78fa3cb317e679fabc4178600048572368bec173a520e4aaf

  • SHA512

    8dad911c0b59485dafd6ddcf879774016f8d63690085d4840e422b44735e82140ad177e9e7663b6cc474214461693219142b55e93fd853a593925752fbaa2761

  • SSDEEP

    1536:KNeRBl5PT/rx1mzwRMSTdLpJYXRBawzpK:KQRrmzwR5J4e

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

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
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Modifies Windows Firewall 1 TTPs 2 IoCs
    evasion
  • Drops startup file 1 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 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d50b23e12c661bb78fa3cb317e679fabc4178600048572368bec173a520e4aaf.exe
    "C:\Users\Admin\AppData\Local\Temp\d50b23e12c661bb78fa3cb317e679fabc4178600048572368bec173a520e4aaf.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:848
    • C:\Users\Admin\AppData\Local\Temp\d50b23e12c661bb78fa3cb317e679fabc4178600048572368bec173a520e4aaf.exe
      "C:\Users\Admin\AppData\Local\Temp\d50b23e12c661bb78fa3cb317e679fabc4178600048572368bec173a520e4aaf.exe"
      2⤵
        PID:1292
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1976
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1608
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1872
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:1940
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:1992
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:1296
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:624
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:920
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:1628
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:340
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:472
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:1824
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
          PID:1164

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/624-57-0x0000000000000000-mapping.dmp

          Download

        • memory/848-54-0x00000000767C1000-0x00000000767C3000-memory.dmp

          Filesize

          8KB

          Download

        • memory/920-59-0x0000000000000000-mapping.dmp

          Download

        • memory/920-60-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

          Filesize

          8KB

          Download

        • memory/1296-66-0x0000000000000000-mapping.dmp

          Download

        • memory/1608-58-0x0000000000000000-mapping.dmp

          Download

        • memory/1628-61-0x0000000000000000-mapping.dmp

          Download

        • memory/1872-63-0x0000000000000000-mapping.dmp

          Download

        • memory/1940-64-0x0000000000000000-mapping.dmp

          Download

        • memory/1976-56-0x0000000000000000-mapping.dmp

          Download

        • memory/1992-65-0x0000000000000000-mapping.dmp

          Download