Analysis

  • max time kernel
    147s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    05-02-2022 14:08

General

  • Target

    788f1abb67d6f21cf299e2f67a2b414d169e8ab16cc8a61bf698e5c7f1482999.msi

  • Size

    967KB

  • MD5

    e435c7fe014ceb78e4bc09bf3f71c5d0

  • SHA1

    d895c75ea47413b96df4673e929cb55dab912306

  • SHA256

    788f1abb67d6f21cf299e2f67a2b414d169e8ab16cc8a61bf698e5c7f1482999

  • SHA512

    e86a5d43dccbc44a6bdfd8967a51ec02d1741afda00d8fc6d63b45babf30e91a260603e9d3207160b9484a99fa7f3a8030674806c5b7f4e08188994b87f7c14a

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Drops file in Windows directory 6 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 47 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\788f1abb67d6f21cf299e2f67a2b414d169e8ab16cc8a61bf698e5c7f1482999.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2476
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3356
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 722D355CFE32829D37F39AB8F404E740
      2⤵
      • Loads dropped DLL
      PID:1868
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:3416
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2320
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:2824

Network

MITRE ATT&CK Enterprise v6

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