Resubmissions

27-03-2023 08:21

230327-j9hkdace34 10

21-12-2022 12:08

221221-pavzbafd51 10

Analysis

  • max time kernel
    150s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2022 12:08

General

  • Target

    13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe

  • Size

    42KB

  • MD5

    e946f874088bb866c3d02e0e2fa79daf

  • SHA1

    cb476dbdd8242bfbf5ce54e9d1f2ba24b73ac693

  • SHA256

    13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3

  • SHA512

    158776939338a15897af7bc0cf62ad588ce96aa8db4308643a1bced8e460f3c4fcf92b16832b6981dc6f61908ede817108f5a1a29da3534a4bf85bc9ab7b088c

  • SSDEEP

    768:gO1oR/LVS1RzK4wbs+D/SIJX+ZZ1SQQwZuIOPzDT6FhUxuSqA:gpS1FKnDtkuIme7AB

Score
9/10

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe
    "C:\Users\Admin\AppData\Local\Temp\13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe
      "C:\Users\Admin\AppData\Local\Temp\13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe" n2040
      2⤵
        PID:1232
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1356
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1380
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:1212
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:956
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1664
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1524
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:1632
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
          PID:844
        • C:\Windows\system32\Dwm.exe
          "C:\Windows\system32\Dwm.exe"
          1⤵
            PID:1984

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Execution

          Command-Line Interface

          1
          T1059

          Defense Evasion

          File Deletion

          3
          T1107

          Impact

          Inhibit System Recovery

          3
          T1490

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/956-60-0x0000000000000000-mapping.dmp
          • memory/1212-58-0x0000000000000000-mapping.dmp
          • memory/1212-59-0x000007FEFBB81000-0x000007FEFBB83000-memory.dmp
            Filesize

            8KB

          • memory/1356-56-0x0000000000000000-mapping.dmp
          • memory/1380-57-0x0000000000000000-mapping.dmp
          • memory/2040-54-0x0000000076041000-0x0000000076043000-memory.dmp
            Filesize

            8KB