Overview

overview

10

Static

static

928aca0149...13.exe

windows7-x64

10

928aca0149...13.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2022 10:43

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General

  • Target

    928aca01498ca60e1dd3e263c462f3a04ef49b91d94b566293e8edfbc54fcf13.exe

  • Size

    55KB

  • MD5

    f8cd85837b695b2689a8f3dfb67d415b

  • SHA1

    fd12b0db64c9d92033e2fd44b7606b7c88a56ca9

  • SHA256

    928aca01498ca60e1dd3e263c462f3a04ef49b91d94b566293e8edfbc54fcf13

  • SHA512

    fcd3d7bbf2ddb6d8a6fc0b185e862cfdfd1580789203713dcf7c48912ef6d4cb8fae9bfadaf23e750e1bf8f3da05d482d0e942b7ba9599a63d488a3bab049a60

  • SSDEEP

    768:7vrNNeRBl5JFTXqwXrkgrn/9/HiDKGwRj4RcTdyH4pYT3nPKVU1EH6Z056NV2Dey:1NeRBl5PT/rx1mzwRMSTdLpJHKT8e7m

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

Malware Config

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

    ransomwarephobos
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • 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
  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

  • 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 51 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\928aca01498ca60e1dd3e263c462f3a04ef49b91d94b566293e8edfbc54fcf13.exe
    "C:\Users\Admin\AppData\Local\Temp\928aca01498ca60e1dd3e263c462f3a04ef49b91d94b566293e8edfbc54fcf13.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:4556
    • C:\Users\Admin\AppData\Local\Temp\928aca01498ca60e1dd3e263c462f3a04ef49b91d94b566293e8edfbc54fcf13.exe
      "C:\Users\Admin\AppData\Local\Temp\928aca01498ca60e1dd3e263c462f3a04ef49b91d94b566293e8edfbc54fcf13.exe"
      2⤵
        PID:1272
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:492
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3152
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1180
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2160
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2364
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:3032
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3452
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:4192
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:1404
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2260
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2636
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4704
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:4944
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:3476

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/492-133-0x0000000000000000-mapping.dmp

        Download

      • memory/1180-137-0x0000000000000000-mapping.dmp

        Download

      • memory/1272-132-0x0000000000000000-mapping.dmp

        Download

      • memory/1404-138-0x0000000000000000-mapping.dmp

        Download

      • memory/2160-139-0x0000000000000000-mapping.dmp

        Download

      • memory/2364-140-0x0000000000000000-mapping.dmp

        Download

      • memory/3032-141-0x0000000000000000-mapping.dmp

        Download

      • memory/3152-136-0x0000000000000000-mapping.dmp

        Download

      • memory/3452-134-0x0000000000000000-mapping.dmp

        Download

      • memory/4192-135-0x0000000000000000-mapping.dmp

        Download