Overview

overview

10

Static

static

10

96f11bc9f9...25.exe

windows7-x64

9

96f11bc9f9...25.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    141s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2024 00:03

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General

  • Target

    96f11bc9f9e0ab89f050350dceadd938be0523a78f727f15553a52048f859225.exe

  • Size

    99KB

  • MD5

    64d1d526ffed3c277c3fc4eb84fab4b0

  • SHA1

    ff64f5dfd0da1b9151597f7583ea4c220f207f8c

  • SHA256

    37fc9862afe543d0822e0df7ff59715dc70ff6a6d66f2a8ee12841cd21e67834

  • SHA512

    97dc12c55fcf7a9bc54a07e3bf75591b6694252f206ef73c0bd0fdfd32cd84e5f704446da4d8f27931d4a71b67ad6a3dfc6888820af27dcf90183c9bb4b5afab

  • SSDEEP

    1536:5Ij4aC6XEL1h8vJPW80Z/mS0ZTEk2PNzBTvLFKb1sWDYwN1UA6hA37n:o7a1iQMTEk2PNzOsnwd6hA

Score
9/10
ransomwareupx

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Detects command variations typically used by ransomware 2 IoCs
  • Detects executables containing many references to VEEAM. Observed in ransomware 2 IoCs
  • Detects executables referencing many IR and analysis tools 2 IoCs
  • Renames multiple (615) files with added filename extension

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

    ransomware
  • UPX dump on OEP (original entry point) 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • UPX packed file 3 IoCs

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

    upx
  • 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
    ransomware
  • 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.

    ransomware
  • Modifies Control Panel 2 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs
  • 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\96f11bc9f9e0ab89f050350dceadd938be0523a78f727f15553a52048f859225.exe
    "C:\Users\Admin\AppData\Local\Temp\96f11bc9f9e0ab89f050350dceadd938be0523a78f727f15553a52048f859225.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3868
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4024
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic SHADOWCOPY DELETE
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2188
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4556
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:1676
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
      2⤵
        PID:4208
        • C:\Windows\system32\bcdedit.exe
          bcdedit / set{ default } bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2128
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3492
        • C:\Windows\system32\bcdedit.exe
          bcdedit / set{ default } recoveryenabled No
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2348
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4856
        • C:\Windows\system32\bcdedit.exe
          bcdedit / set{ default } recoveryenabled No
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:3784
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2652
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4048
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2448
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:748
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
      1⤵
        PID:4768
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        1⤵
        • Interacts with shadow copies
        PID:1340
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic SHADOWCOPY DELETE
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2804
      • C:\Windows\system32\bcdedit.exe
        bcdedit / set{ default } bootstatuspolicy ignoreallfailures
        1⤵
        • Modifies boot configuration data using bcdedit
        PID:3500

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        1KB

        MD5

        b05e32b7e78e82f01f6f0c7d1411ee67

        SHA1

        2e1dda46f8561858b378d19a24b839062f794274

        SHA256

        f058bc2a88431119f286f2708751f25449dc1d58e1c87de3bb38aff764c814a8

        SHA512

        6cb7c842a48b9f982ac87280ded95e206e2b9055f9f51ea84f6060470a61a35decbb688650c0d6b7c318df018078af0c0a1afe0ce65db1b460d75ae7800e2d3c

        Download Submit

      • memory/3868-0-0x00007FF7A74A0000-0x00007FF7A74E2000-memory.dmp

        Filesize

        264KB

        Download

      • memory/3868-1473-0x00007FF7A74A0000-0x00007FF7A74E2000-memory.dmp

        Filesize

        264KB

        Download

      • memory/3868-1475-0x00007FF7A74A0000-0x00007FF7A74E2000-memory.dmp

        Filesize

        264KB

        Download