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Overview

overview

10

Static

static

10

57973197f4...bb.exe

windows7-x64

9

57973197f4...bb.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    03/02/2024, 17:09

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General

  • Target

    57973197f4b458aa290e70f6cd5384e0915cff54974cc632c54b2074a0c991bb.exe

  • Size

    42KB

  • MD5

    faf6a4458904d377205e066232f9bf6a

  • SHA1

    c91c8cca87ae602a68729cffe42b8b51c1d85694

  • SHA256

    57973197f4b458aa290e70f6cd5384e0915cff54974cc632c54b2074a0c991bb

  • SHA512

    9f5b5935745e2b9e44b289ae1b345c80635f215b63af4386d77d341246cbbd79f03c28cc083896cc40377e5e46cee6b606ee5f02927ec448cdd8360622fffc4b

  • SSDEEP

    768:FO1oR/sVS1RzK4wbs+D/SIJX+ZZ1SQQwZuIOPzDUZT21hDI+faNcuJ5E1:FQS1FKnDtkuImUVKDxfaiK5U

Score
9/10
ransomware

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Renames multiple (7546) 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 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 13 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\57973197f4b458aa290e70f6cd5384e0915cff54974cc632c54b2074a0c991bb.exe
    "C:\Users\Admin\AppData\Local\Temp\57973197f4b458aa290e70f6cd5384e0915cff54974cc632c54b2074a0c991bb.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Users\Admin\AppData\Local\Temp\57973197f4b458aa290e70f6cd5384e0915cff54974cc632c54b2074a0c991bb.exe
      "C:\Users\Admin\AppData\Local\Temp\57973197f4b458aa290e70f6cd5384e0915cff54974cc632c54b2074a0c991bb.exe" n2052
      2⤵
        PID:2252
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2040
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1680
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:2344
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2932
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2104
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2472
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:2132
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
          PID:2152
        • C:\Windows\system32\Dwm.exe
          "C:\Windows\system32\Dwm.exe"
          1⤵
            PID:2424

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\+README-WARNING+.txt
            Filesize

            472B

            MD5

            2da2c1d2202e3cb70b6747e7cf948fe8

            SHA1

            71a5236edc463e7a7be9635a891c1c8ceb1a5142

            SHA256

            eac979330c86b36a5e6c8aee7741f3b1c3b0b5600d28de95cd59be846e2562e7

            SHA512

            3e705b3bb0e6809ac4f36d970afca6da49ebf237b2484d73e9ea626f326896931ae2c7a438e65f4bc029f41e44f5b8385739040f74e0cdb21bde72a079d7101c

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