Overview

overview

10

Static

static

10

13c788ccaa...f3.exe

windows7-x64

9

13c788ccaa...f3.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    152s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-01-2024 15:49

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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
ransomware

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (3366) files with added filename extension

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

    ransomware
  • Deletes backup catalog 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Drops file in System32 directory 6 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.

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • 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\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:2748
    • C:\Users\Admin\AppData\Local\Temp\13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe
      "C:\Users\Admin\AppData\Local\Temp\13c788ccaa70bca1746a8e35a2d9fda5a85b7a225703801baf927b02701886f3.exe" n2748
      2⤵
        PID:4456
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4148
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1944
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:1600
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2376
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:936
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4364
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:1624
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:3956
      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
        1⤵
        • Drops file in System32 directory
        • Checks processor information in registry
        • Enumerates system info in registry
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:3712

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\odt\+README-WARNING+.txt
        Filesize

        472B

        MD5

        ec2a73a94318baf5e9a6b9f42a862588

        SHA1

        ca10df2306e9cdbeeda8a8e2d836400fc0969a45

        SHA256

        7ecd9e837552fbd07909d366495b56963e72ff25c33aaa5e8e76a2e8ebbc1b41

        SHA512

        ee725b1f39aec10dafaa536de82b8d8f162e0f9689d20e9d435d4e8f250d98ca1b6768c3efc981ac69dd78228067b6ee1aeab42bcaa00dda442fae3ae4ae100a

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