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 20:49

General

  • Target

    e165b3e962a2916ed4693993f1911c04b18fcbf7fbdaa824d0e57449da4e4099.exe

  • Size

    56KB

  • MD5

    a6b6c9f529bbac5973236d91a65a80a6

  • SHA1

    d0eb443e04ecf1ac64eddd8a4b0eacaa5d3222fe

  • SHA256

    e165b3e962a2916ed4693993f1911c04b18fcbf7fbdaa824d0e57449da4e4099

  • SHA512

    69ee566e6aa6ec2a753871e863ee23e7fb522b8212c75657d3f4888a6d1e77dfea06b1bc8d00fb9efa2209db1412d11773a60a0a7c5bbc80066bbbf58f94218b

  • SSDEEP

    1536:fNeRBl5PT/rx1mzwRMSTdLpJasHSW7E7oq5Mq:fQRrmzwR5J9HTeoqOq

Malware Config

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

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

    Uses wbadmin.exe to inhibit system recovery.

  • Modifies Windows Firewall 1 TTPs 2 IoCs
  • 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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 3 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e165b3e962a2916ed4693993f1911c04b18fcbf7fbdaa824d0e57449da4e4099.exe
    "C:\Users\Admin\AppData\Local\Temp\e165b3e962a2916ed4693993f1911c04b18fcbf7fbdaa824d0e57449da4e4099.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:1736
    • C:\Users\Admin\AppData\Local\Temp\e165b3e962a2916ed4693993f1911c04b18fcbf7fbdaa824d0e57449da4e4099.exe
      "C:\Users\Admin\AppData\Local\Temp\e165b3e962a2916ed4693993f1911c04b18fcbf7fbdaa824d0e57449da4e4099.exe"
      2⤵
        PID:1696
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1160
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:912
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:2000
      • 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:1328
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1952
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:280
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2012
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:1788
    • 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:1512
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:624
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
          PID:796

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/280-64-0x0000000000000000-mapping.dmp

        • memory/912-59-0x0000000000000000-mapping.dmp

        • memory/912-60-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

          Filesize

          8KB

        • memory/1160-57-0x0000000000000000-mapping.dmp

        • memory/1328-58-0x0000000000000000-mapping.dmp

        • memory/1736-54-0x00000000767C1000-0x00000000767C3000-memory.dmp

          Filesize

          8KB

        • memory/1788-66-0x0000000000000000-mapping.dmp

        • memory/1952-63-0x0000000000000000-mapping.dmp

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

        • memory/2000-61-0x0000000000000000-mapping.dmp

        • memory/2012-65-0x0000000000000000-mapping.dmp