Overview

overview

10

Static

static

5

PERM 11-12...ol.exe

windows10-ltsc 2021-x64

10

PERM 11-12...gs.vbs

windows10-ltsc 2021-x64

7

PERM 11-12...ll.bat

windows10-ltsc 2021-x64

7

PERM 11-12...64.exe

windows10-ltsc 2021-x64

7

PERM 11-12...86.exe

windows10-ltsc 2021-x64

7

PERM 11-12...64.exe

windows10-ltsc 2021-x64

7

PERM 11-12...86.exe

windows10-ltsc 2021-x64

PERM 11-12...64.exe

windows10-ltsc 2021-x64

7

PERM 11-12...86.exe

windows10-ltsc 2021-x64

7

PERM 11-12...64.exe

windows10-ltsc 2021-x64

7

PERM 11-12...86.exe

windows10-ltsc 2021-x64

7

PERM 11-12...64.exe

windows10-ltsc 2021-x64

7

PERM 11-12...86.exe

windows10-ltsc 2021-x64

7

PERM 11-12...64.exe

windows10-ltsc 2021-x64

4

PERM 11-12...86.exe

windows10-ltsc 2021-x64

4

PERM 11-12...er.exe

windows10-ltsc 2021-x64

10

PERM 11-12...up.exe

windows10-ltsc 2021-x64

7

PERM 11-12...er.bat

windows10-ltsc 2021-x64

3

PERM 11-12...er.exe

windows10-ltsc 2021-x64

1

Analysis

  • max time kernel
    98s
  • max time network
    118s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    12-12-2024 17:50

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General

  • Target

    PERM 11-12-2024/Requirement's/Visual-C-Runtimes-All-in-One-Nov-2024/vcredist2005_x64.exe

  • Size

    3.0MB

  • MD5

    56eaf4e1237c974f6984edc93972c123

  • SHA1

    ee916012783024dac67fc606457377932c826f05

  • SHA256

    0551a61c85b718e1fa015b0c3e3f4c4eea0637055536c00e7969286b4fa663e0

  • SHA512

    f8e15363e34db5b5445c41eea4dd80b2f682642cb8f1046f30ea4fb5f4f51b0b604f7bcb3000a35a7d3ba1d1bcc07df9b25e4533170c65640b2d137c19916736

  • SSDEEP

    49152:+r67+stI6RWGTAdyvlADUrpTmcOgohwJpEM5grO3oc1OXZViFeRyDErkLUMHzkRN:AM9l8pUr9m30L5grOQXZKAsErkbQRN

Score
7/10
discoverypersistenceprivilege_escalation

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Blocklisted process makes network request 1 IoCs
  • 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
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • 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 56 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\PERM 11-12-2024\Requirement's\Visual-C-Runtimes-All-in-One-Nov-2024\vcredist2005_x64.exe
    "C:\Users\Admin\AppData\Local\Temp\PERM 11-12-2024\Requirement's\Visual-C-Runtimes-All-in-One-Nov-2024\vcredist2005_x64.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1268
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec /i vcredist.msi
      2⤵
      • Blocklisted process makes network request
      • Enumerates connected drives
      • Event Triggered Execution: Installer Packages
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4304
  • 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:4628
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:4
      2⤵
        PID:952
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 7803478193181904A23C9FB25A4C8632
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2000
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:472

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      312KB

      MD5

      77a9bff5af149160775741e204734d47

      SHA1

      7b5126af69b5a79593f39db94180f1ff11b0e39d

      SHA256

      20a26ed9a1edf7763a9b515522c5e29720048a482c7fbc8b7ff6bbdd27e61038

      SHA512

      bb0440f58f07e113bddd9a0afb5aab8af6493218784fe5fa6f4032e3a37088f91b7e766dee87cec4a9ea11d425d27b3b536430de3a52222e8bca3e0247d81e3b

      Download Submit

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

      3.0MB

      MD5

      6dbdf338a0a25cdb236d43ea3ca2395e

      SHA1

      685b6ea61e574e628392eaac8b10aff4309f1081

      SHA256

      200fef5d4994523a02c4daa00060db28eb289b99d47fc6c1305183101e72bdeb

      SHA512

      6b5b31c55cf72ab92b17fb6074b3901a1e6afe0796ef9bc831e4dfb97450376d2889cd24b1cf3fce60eb3c1bcd1b31254b5cfa3ef6107974dfa0b35c233daf5a

      Download Submit

    • C:\Windows\Installer\MSID570.tmp
      Filesize

      28KB

      MD5

      85221b3bcba8dbe4b4a46581aa49f760

      SHA1

      746645c92594bfc739f77812d67cfd85f4b92474

      SHA256

      f6e34a4550e499346f5ab1d245508f16bf765ff24c4988984b89e049ca55737f

      SHA512

      060e35c4de14a03a2cda313f968e372291866cc4acd59977d7a48ac3745494abc54df83fff63cf30be4e10ff69a3b3c8b6c38f43ebd2a8d23d6c86fbee7ba87d

      Download Submit

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

      23.9MB

      MD5

      c16a691e2f1224333ce27a365af43323

      SHA1

      29be6fa00e09edc9f626b774f885eaa0b4c6f4b8

      SHA256

      f5fd2816ad929e44fcf6fa5f1af546843f2cf0eaa7a3c8dfe7e83abb86d60121

      SHA512

      18f0e4ec5895f6baf95a0e2f2936f2908fcf741ba923e9d5b94ed6bcde3b8ea6e508f73d467a474b1ba2eb528790ef5e56bdc6950e03451b59698d7dae84fd00

      Download Submit

    • \??\Volume{0cc9fb46-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{f7730a31-15a5-4cd3-a0a2-5cb8ccab1800}_OnDiskSnapshotProp
      Filesize

      6KB

      MD5

      0de41a1df5390988912a48d2619f2ca7

      SHA1

      aad3443190bb65f219589ec6e6128ad81763cc29

      SHA256

      a6e335f69af8d3ac17029f9deebc31839a4f5a0cff35c24e3a8f7a47f892650b

      SHA512

      714534bd2d3d0ccdc5c1ed3ac799bf9212dfb234e0c515d13afb8ea1788dfa650d3fb5e6f5e9d1d60946fddbefeed0be5cc4acaf12645a9770171c06b8a6c415

      Download Submit