Analysis

  • max time kernel
    120s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2024 06:42

General

  • Target

    07ade429e88e19ac96117f01edd3c9e801e0bffa6add7bde9030e1c010ec602e.exe

  • Size

    99KB

  • MD5

    4710850a5b225e0d5f707e86264d2a4f

  • SHA1

    3da93d6b4408d1d46e6f12e0d5ecc6a435bf5456

  • SHA256

    07ade429e88e19ac96117f01edd3c9e801e0bffa6add7bde9030e1c010ec602e

  • SHA512

    038647c4abb901580d0c27414b7b334a457b12361468e0ec2d29c4dace2469c5b2f5cd0b20aeaf97eb17a19932c3c93fa37d3bba673b7f26ac856cf52d4451a8

  • SSDEEP

    1536:mIj4lgd0ni8l4ZOtIsdm+s2sQ4yFVP8eflx69g6KWmhPK39Ijs4248YaaFQ2nDIn:rAyv8QOrmj211/1flQSvJhST48

Score
9/10

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Detects command variations typically used by ransomware 4 IoCs
  • Detects executables containing many references to VEEAM. Observed in ransomware 4 IoCs
  • Detects executables referencing many IR and analysis tools 4 IoCs
  • Renames multiple (287) files with added filename extension

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

  • UPX dump on OEP (original entry point) 5 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies boot configuration data using bcdedit 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

  • Modifies Control Panel 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\07ade429e88e19ac96117f01edd3c9e801e0bffa6add7bde9030e1c010ec602e.exe
    "C:\Users\Admin\AppData\Local\Temp\07ade429e88e19ac96117f01edd3c9e801e0bffa6add7bde9030e1c010ec602e.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2232
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:1224
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2720
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic SHADOWCOPY DELETE
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1784
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Windows\system32\bcdedit.exe
        bcdedit / set{ default } recoveryenabled No
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1768
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2804
      • C:\Windows\system32\bcdedit.exe
        bcdedit / set{ default } bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1208
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2500
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2496
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2068
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic SHADOWCOPY DELETE
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2592
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1560
      • C:\Windows\system32\bcdedit.exe
        bcdedit / set{ default } recoveryenabled No
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:808
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
      2⤵
        PID:2448
        • C:\Windows\system32\bcdedit.exe
          bcdedit / set{ default } bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2628
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1516

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Adobe\Acrobat\WhatHappened.txt

      Filesize

      1KB

      MD5

      b05e32b7e78e82f01f6f0c7d1411ee67

      SHA1

      2e1dda46f8561858b378d19a24b839062f794274

      SHA256

      f058bc2a88431119f286f2708751f25449dc1d58e1c87de3bb38aff764c814a8

      SHA512

      6cb7c842a48b9f982ac87280ded95e206e2b9055f9f51ea84f6060470a61a35decbb688650c0d6b7c318df018078af0c0a1afe0ce65db1b460d75ae7800e2d3c

    • memory/2544-0-0x000000013F6D0000-0x000000013F712000-memory.dmp

      Filesize

      264KB

    • memory/2544-305-0x000000013F6D0000-0x000000013F712000-memory.dmp

      Filesize

      264KB

    • memory/2544-493-0x000000013F6D0000-0x000000013F712000-memory.dmp

      Filesize

      264KB

    • memory/2544-514-0x000000013F6D0000-0x000000013F712000-memory.dmp

      Filesize

      264KB

    • memory/2544-519-0x000000013F6D0000-0x000000013F712000-memory.dmp

      Filesize

      264KB