Analysis

  • max time kernel
    144s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    23-09-2021 13:37

General

  • Target

    FOLHAS-PAGINAS-ADVOCACIA.msi

  • Size

    2.8MB

  • MD5

    8446fedeadab37c667b02dd7e0fdac26

  • SHA1

    04e9d8f6301946ae9a9fef977a5424f722fd9435

  • SHA256

    f01cc28590e94c1af30ca919a93f2615285f6774f5fc6b7cd8f933fac3303203

  • SHA512

    bfad67c71ac19a608cf03f93c18adb6d8073cc1deba149e8c0763a851c29de4a27064e36fb7a32bc5ffa82af3d45723d4ae34250f21526ef1853d92ef5362df1

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 13 IoCs
  • Adds Run key to start application 2 TTPs 1 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 19 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\FOLHAS-PAGINAS-ADVOCACIA.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1116
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C9527171DD0E338155B2B169DBF40EE5
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      PID:1768
    • C:\Windows\Installer\MSIEA6D.tmp
      "C:\Windows\Installer\MSIEA6D.tmp" /DontWait "C:\Users\Admin\AppData\Roaming\Documentacao\Inportagem\N9O987TDS.exe"
      2⤵
      • Executes dropped EXE
      PID:456
  • C:\Users\Admin\AppData\Roaming\Documentacao\Inportagem\N9O987TDS.exe
    "C:\Users\Admin\AppData\Roaming\Documentacao\Inportagem\N9O987TDS.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1728

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/456-84-0x0000000000120000-0x0000000000122000-memory.dmp

    Filesize

    8KB

  • memory/1116-53-0x000007FEFB891000-0x000007FEFB893000-memory.dmp

    Filesize

    8KB

  • memory/1768-56-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

    Filesize

    8KB