Overview

overview

7

Static

static

1

Visual-C-R...24.zip

windows7-x64

1

Visual-C-R...24.zip

windows10-2004-x64

1

install_all.bat

windows7-x64

7

install_all.bat

windows10-2004-x64

7

vcredist2005_x64.exe

windows7-x64

7

vcredist2005_x64.exe

windows10-2004-x64

7

vcredist2005_x86.exe

windows7-x64

7

vcredist2005_x86.exe

windows10-2004-x64

7

vcredist2008_x64.exe

windows7-x64

7

vcredist2008_x64.exe

windows10-2004-x64

7

vcredist2008_x86.exe

windows7-x64

7

vcredist2008_x86.exe

windows10-2004-x64

7

vcredist2010_x64.exe

windows7-x64

7

vcredist2010_x64.exe

windows10-2004-x64

7

vcredist2010_x86.exe

windows7-x64

7

vcredist2010_x86.exe

windows10-2004-x64

7

vcredist2012_x64.exe

windows7-x64

7

vcredist2012_x64.exe

windows10-2004-x64

7

vcredist2012_x86.exe

windows7-x64

7

vcredist2012_x86.exe

windows10-2004-x64

7

vcredist2013_x64.exe

windows7-x64

7

vcredist2013_x64.exe

windows10-2004-x64

7

vcredist2013_x86.exe

windows7-x64

7

vcredist2013_x86.exe

windows10-2004-x64

7

vcredist20...64.exe

windows7-x64

4

vcredist20...64.exe

windows10-2004-x64

4

vcredist20...86.exe

windows7-x64

4

vcredist20...86.exe

windows10-2004-x64

4

Analysis

  • max time kernel
    148s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 13:36

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General

  • Target

    vcredist2005_x86.exe

  • Size

    2.6MB

  • MD5

    ce2922f83fb4b170affce0ea448b107b

  • SHA1

    b8fab0bb7f62a24ddfe77b19cd9a1451abd7b847

  • SHA256

    4ee4da0fe62d5fa1b5e80c6e6d88a4a2f8b3b140c35da51053d0d7b72a381d29

  • SHA512

    e94b077e054bd8992374d359f3adc4d1d78d42118d878556715d77182f7d03635850b2b2f06c012ccb7c410e2b3c124cf6508473efe150d3c51a51857ce1c6b0

  • SSDEEP

    49152:rqGRIgg2SirwkF9xdtb43lyGKCafpKkiwnaDahmPzpY4FPyaza:rxxLFfY/KCCpKk9aWMzZyau

Score
7/10
persistence

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 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 57 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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\vcredist2005_x86.exe
    "C:\Users\Admin\AppData\Local\Temp\vcredist2005_x86.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4560
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec /i vcredist.msi
      2⤵
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:5424
  • 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 data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4180
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5944
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 036C6BF7A4F7D5D97E15BAEBC9CB1F95
        2⤵
        • Loads dropped DLL
        PID:1404
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:5628

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Config.Msi\e582038.rbs
      Filesize

      73KB

      MD5

      5cc95bc5ece54ef72d91ebb6f637c85c

      SHA1

      dd21efd1928c04f562958fdb4a4f28497e921d2b

      SHA256

      58265a8ece286a54532f80916b19b46092ca6ea85393aa694f2c94a0f6fa408a

      SHA512

      1efd2d6c4080b8928a05bf6ce6a2cb1747c7bad88c6a9928c4f09e3ccc1e4b7af4c48266aa5c51589127ef077292a13fca47e1948f6a20bfb145ef80396bc3e4

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vcredis1.cab
      Filesize

      247KB

      MD5

      cc064d4b81619991de8131a86ad77681

      SHA1

      88d80d86cc20c27d7d2a872af719300bd2bb73f9

      SHA256

      913ee5a1cae3e5a1872b3a5efaaa00c58e4beb692492b138f76967da671b0477

      SHA512

      5aff0eb26cfc187bf58721b2b6d73357d9f1e66d1ac5340ad9ddc08b40ad0eda27a144cb3b650604637a7476c282ded83ed890de98a73ccaf0cc021da3a9eb25

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vcredist.msi
      Filesize

      2.6MB

      MD5

      b20bbeb818222b657df49a9cfe4fed79

      SHA1

      3f6508e880b86502773a3275bc9527f046d45502

      SHA256

      91bdd063f6c53126737791c9eccf0b2f4cf44927831527245bc89a0be06c0cb4

      SHA512

      f534bc7bf1597e728940e6c3b77f864adfaa413bb1e080458326b692b0f96bddf4fbd294eeed36d7764a3578e6c8e919488bbf63b8fe2d4355ab3efd685424a4

      Download Submit

    • C:\Windows\Installer\MSI28FF.tmp
      Filesize

      28KB

      MD5

      85221b3bcba8dbe4b4a46581aa49f760

      SHA1

      746645c92594bfc739f77812d67cfd85f4b92474

      SHA256

      f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f

      SHA512

      060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d

      Download Submit

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

      23.7MB

      MD5

      ae38261a6c78c42c86f5204ed8d01aee

      SHA1

      8700a482ead89c923e834aa08b8cfbbbafb0b708

      SHA256

      5f20f1f759337138df5a165a14ad4ff96de329e8e2e4c12bc8c5a12c6b7657c1

      SHA512

      96a810551332d4acb7c7a0fd2efcc7051ad8b198fbbf3c451a1425ce1e0e9b989eb4d900235b8f862493fdde097b59611d17cf370547f191f6f59495e3ac1b1a

      Download Submit

    • \??\Volume{b8b1c3f9-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{292bc154-2e83-442e-806f-81e312d6f22a}_OnDiskSnapshotProp
      Filesize

      6KB

      MD5

      40bd1fd1e3e759332ccb4b298302607a

      SHA1

      6c68fb5e353473d8f0efe6e4d0dade6c4f4d332a

      SHA256

      22afbfe1238bfce13fb76914cae8fb29c043e437976bc1f4aa3dbb56b7fde364

      SHA512

      0f565d33ebac2e4f6b267d6ec2181467cef2e32e41be4f0402b49e7d48b98fabfba73b93026367992c5be2bd32bedfb8f455b73d683c9c0f969df4a6ad428550

      Download Submit