Overview

overview

10

Static

static

FOLHAS-PAG...IA.msi

windows7_x64

8

FOLHAS-PAG...IA.msi

windows10_x64

10

Analysis

  • max time kernel
    115s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    23-09-2021 13:37

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General

  • Target

    FOLHAS-PAGINAS-ADVOCACIA.msi

  • Size

    2.8MB

  • MD5

    8446fedeadab37c667b02dd7e0fdac26

  • SHA1

    04e9d8f6301946ae9a9fef977a5424f722fd9435

  • SHA256

    f01cc28590e94c1af30ca919a93f2615285f6774f5fc6b7cd8f933fac3303203

  • SHA512

    bfad67c71ac19a608cf03f93c18adb6d8073cc1deba149e8c0763a851c29de4a27064e36fb7a32bc5ffa82af3d45723d4ae34250f21526ef1853d92ef5362df1

Score
10/10
numandobackdoorpersistencespywarestealertrojan

Malware Config

Signatures

  • Detect Numando Payload 1 IoCs
  • Numando

    Numando is a banking trojan/backdoor targeting Latin America which uses Youtube and Pastebin for C2 communications.

    trojanbackdoornumando
  • Blocklisted process makes network request 3 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 16 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 48 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in Windows directory 21 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 13 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:2348
  • 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:2692
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 246DCA149590C1760F9D5DCB2900BA88
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      PID:3624
    • C:\Windows\Installer\MSIC3C3.tmp
      "C:\Windows\Installer\MSIC3C3.tmp" /DontWait "C:\Users\Admin\AppData\Roaming\Documentacao\Inportagem\N9O987TDS.exe"
      2⤵
      • Executes dropped EXE
      PID:3620
  • 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
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1336
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" https://bit.ly/3Ctzwxm
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2744 CREDAT:82945 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1084
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1636

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/1336-164-0x0000000000560000-0x0000000000561000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1336-159-0x0000000004370000-0x0000000004CBD000-memory.dmp

      Filesize

      9.3MB

      Download

    • memory/2744-161-0x00007FFA70480000-0x00007FFA704EB000-memory.dmp

      Filesize

      428KB

      Download