Overview

overview

7

Static

static

1

d6832398e3...a8.exe

windows7-x64

7

d6832398e3...a8.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    136s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2023 14:09

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General

  • Target

    d6832398e3bc9156a660745f427dc1c2392ce4e9a872e04f41f62d0c6bae07a8.exe

  • Size

    2.6MB

  • MD5

    6402438591b548121f54b0706a2c6423

  • SHA1

    e052789ebad7dc8d6f8505a9295b0576babd125e

  • SHA256

    d6832398e3bc9156a660745f427dc1c2392ce4e9a872e04f41f62d0c6bae07a8

  • SHA512

    c615e6337a9507bfaaff14e23043e206351d48bf7ba1d0c244c4bc8a08f411b4aa27f9a9074a87b320007b3cfca448306752fd343392bdde83b851b0e7daadef

  • SSDEEP

    49152:OW6IfKsucUSdXRc8jfi8sH9LyrgSnem02SIi7oOBX4twfDI4OzLbT3:RxucUkGwoBrSn9hFi73BV7xO33

Score
7/10
persistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 49 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Modifies registry class 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 11 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\d6832398e3bc9156a660745f427dc1c2392ce4e9a872e04f41f62d0c6bae07a8.exe
    "C:\Users\Admin\AppData\Local\Temp\d6832398e3bc9156a660745f427dc1c2392ce4e9a872e04f41f62d0c6bae07a8.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4884
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\VCREDI~3.EXE
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\VCREDI~3.EXE
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1068
      • C:\Windows\SysWOW64\msiexec.exe
        msiexec /i vcredist.msi
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:1100
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2872
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 2F203E989E54ABAD2311A62BA618A4A8
        2⤵
        • Loads dropped DLL
        PID:2184
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:1128

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\VCREDI~3.EXE
      Filesize

      2.6MB

      MD5

      c5c698758bd9da02cc2ef94dcf1b4637

      SHA1

      1d6773537b0baba779090c7fa29be43d2130c3dd

      SHA256

      e1df4fda1f4f6a5d9faa94cc53e77458a53c56a87df4f1062708095150c86dbf

      SHA512

      c238860204de3933c7c41ba5f621f957d602286fa3a19a1bf4b6b272d8b417a20f5351ccf6ae5b46dde6ae938c7158e0f11d610e7a76a3530ba6825a96c9196b

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\VCREDI~3.EXE
      Filesize

      2.6MB

      MD5

      c5c698758bd9da02cc2ef94dcf1b4637

      SHA1

      1d6773537b0baba779090c7fa29be43d2130c3dd

      SHA256

      e1df4fda1f4f6a5d9faa94cc53e77458a53c56a87df4f1062708095150c86dbf

      SHA512

      c238860204de3933c7c41ba5f621f957d602286fa3a19a1bf4b6b272d8b417a20f5351ccf6ae5b46dde6ae938c7158e0f11d610e7a76a3530ba6825a96c9196b

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vcredis1.cab
      Filesize

      247KB

      MD5

      d5dd8a90812067e0ccb23a7299f82562

      SHA1

      5787391891cef8295666bce637d10e992d021d81

      SHA256

      71a4560b0eb5e45c385ce3aef154d97fa944b762f9aff3b3b9364d42bd1d5afd

      SHA512

      d38d3bcb8a640538a3a1b4052727d8d291d8d17218ba1abcaab1dca615bd83d3317a4bed89e495fadfbe6d20791562e5a8032284ae1cfeadc0020337ea0fe673

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\vcredist.msi
      Filesize

      2.6MB

      MD5

      f194e681c552647c95441877b5552415

      SHA1

      285c6b1dbbc2d1525c9b1c276a4901b98d49b202

      SHA256

      6d4f42d5856384c2566ed79bdc587993208013640b035b04540de9f05ee597d6

      SHA512

      8ed21ce7829a1cb6c2dd4eff2e3701171aeba5b7e4337eaf0ddff86ea3fda812198a2e3fb4f1873b129944bdc8ddb09ebbd78e5c2b9811900cb853ef2afdab8c

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    • C:\Windows\Installer\MSIFE41.tmp
      Filesize

      28KB

      MD5

      85221b3bcba8dbe4b4a46581aa49f760

      SHA1

      746645c92594bfc739f77812d67cfd85f4b92474

      SHA256

      f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f

      SHA512

      060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d

      Download Submit

    • C:\Windows\Installer\MSIFE41.tmp
      Filesize

      28KB

      MD5

      85221b3bcba8dbe4b4a46581aa49f760

      SHA1

      746645c92594bfc739f77812d67cfd85f4b92474

      SHA256

      f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f

      SHA512

      060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d

      Download Submit

    • C:\Windows\Installer\e58fad6.msi
      Filesize

      2.6MB

      MD5

      f194e681c552647c95441877b5552415

      SHA1

      285c6b1dbbc2d1525c9b1c276a4901b98d49b202

      SHA256

      6d4f42d5856384c2566ed79bdc587993208013640b035b04540de9f05ee597d6

      SHA512

      8ed21ce7829a1cb6c2dd4eff2e3701171aeba5b7e4337eaf0ddff86ea3fda812198a2e3fb4f1873b129944bdc8ddb09ebbd78e5c2b9811900cb853ef2afdab8c

      Download Submit

    • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
      Filesize

      23.0MB

      MD5

      7c941df32e2c2ec59315dbd869155fbf

      SHA1

      d8c07d8d585c493d39d8c9e4c63b68114fcfabb6

      SHA256

      e1876068fa016fcb3e0a6dfcc5a9ff52a8cd69f594ba773c55072bfb295d8bfc

      SHA512

      d6bc2f19a7e917f0b54d2a94ab123ed7b15e7e6e977d26551df0578ea1a348848f0ea5a7e5d58bc9ad59f61265e3cfb2d986b87b52dc0f5f34d91993cfb21b8e

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    • \??\Volume{03226c32-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{08a3091f-f82e-4f36-864b-87e3229f739b}_OnDiskSnapshotProp
      Filesize

      5KB

      MD5

      6cec6e7adc7d8a2bf3b2d2bab314fbf5

      SHA1

      772508c7aa775cf6ff50eebfb6e53baec1a9f5fd

      SHA256

      d17a09b28f7e240076f61a7588375a3f7e2eaf6d8f714a72d3f74721c822d0ef

      SHA512

      cb07321c6218c5ad5dfab8dc62d71ccaa3cb0b407093ad6545f924e7c0871fd06b647f62d83346e42a8f6a035932da07ed231c5df67116b6f6aa59ab2def66d8

      Download Submit