Resubmissions

02-10-2021 16:02

211002-tg7znsedh5 10

26-09-2021 14:41

210926-r2e4aafaa8 10

Analysis

  • max time kernel
    150s
  • max time network
    29s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    26-09-2021 14:41

General

  • Target

    Adobe-Indesign-Business-Plan-Template-Free.msi

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 14 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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 System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Adobe-Indesign-Business-Plan-Template-Free.msi
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:968
    • C:\Users\Admin\AppData\Local\Temp\MSID074.tmp
      "C:\Users\Admin\AppData\Local\Temp\MSID074.tmp"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:984
      • C:\Windows\Temp\{AE72E311-0897-4B71-A72E-A67359D69859}\.cr\MSID074.tmp
        "C:\Windows\Temp\{AE72E311-0897-4B71-A72E-A67359D69859}\.cr\MSID074.tmp" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\MSID074.tmp" -burn.filehandle.attached=180 -burn.filehandle.self=188
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:596
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:768
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 5EA81B05D07DF3177271DC52D7DF206E C
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:912
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        -NoProfile -Noninteractive -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Temp\pssD480.ps1" -propFile "C:\Users\Admin\AppData\Local\Temp\msiD44E.txt" -scriptFile "C:\Users\Admin\AppData\Local\Temp\scrD44F.ps1" -scriptArgsFile "C:\Users\Admin\AppData\Local\Temp\scrD450.txt" -propSep " :<->: " -testPrefix "_testValue."
        3⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        PID:1012
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 38BAA0A4C0E98CFD271CD0DF0D2DB1CE C
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:1480

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/596-88-0x00000000009D0000-0x00000000009D1000-memory.dmp

    Filesize

    4KB

  • memory/596-77-0x0000000005321000-0x0000000005322000-memory.dmp

    Filesize

    4KB

  • memory/596-84-0x0000000002650000-0x0000000002651000-memory.dmp

    Filesize

    4KB

  • memory/596-104-0x000000000533A000-0x000000000533B000-memory.dmp

    Filesize

    4KB

  • memory/596-79-0x0000000005323000-0x0000000005324000-memory.dmp

    Filesize

    4KB

  • memory/596-89-0x0000000005324000-0x0000000005325000-memory.dmp

    Filesize

    4KB

  • memory/596-75-0x0000000005320000-0x0000000005321000-memory.dmp

    Filesize

    4KB

  • memory/596-74-0x0000000000770000-0x0000000000771000-memory.dmp

    Filesize

    4KB

  • memory/596-94-0x00000000009F0000-0x00000000009F1000-memory.dmp

    Filesize

    4KB

  • memory/596-99-0x0000000005329000-0x000000000533A000-memory.dmp

    Filesize

    68KB

  • memory/968-54-0x000007FEFC4F1000-0x000007FEFC4F3000-memory.dmp

    Filesize

    8KB

  • memory/984-59-0x0000000076B61000-0x0000000076B63000-memory.dmp

    Filesize

    8KB

  • memory/1012-80-0x00000000023A2000-0x00000000023A4000-memory.dmp

    Filesize

    8KB

  • memory/1012-76-0x00000000023A0000-0x00000000023A1000-memory.dmp

    Filesize

    4KB

  • memory/1012-78-0x00000000023A1000-0x00000000023A2000-memory.dmp

    Filesize

    4KB