Analysis

  • max time kernel
    117s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    13-12-2021 23:51

General

  • Target

    RT.msi

  • Size

    2.2MB

  • MD5

    55b75999aeba3ccfd5309b39d7880baa

  • SHA1

    293a2c7cd6ab5851563d868d549e9a2dfd00842c

  • SHA256

    e07e5f0295deb4c8a77519cf41d915046d6962db92b7e667f68267d30e0b8399

  • SHA512

    59a8bad2040260f13ec4171e5ce6f28b04b1d6705aed4d7c9a9270c472062095bd4ec8cdc38fe962a55b8f8bc0b8f5afc4565d99f3dffee87dc12b107f9fd76f

Malware Config

Signatures

  • Detect Numando Payload 4 IoCs
  • Numando

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

  • Blocklisted process makes network request 5 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 13 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 17 IoCs
  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 62 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\RT.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4016
  • 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:1324
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 54F4F85A6BED155DBB7B7DDAB947AE32
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      PID:8
    • C:\Windows\Installer\MSI62E8.tmp
      "C:\Windows\Installer\MSI62E8.tmp" /DontWait "C:\Users\Admin\AppData\Roaming\WEFHWE0-FWEUY-F9WUEFWWEF\BND0WEPWEJFC-9UEWFF\Object.exe"
      2⤵
      • Executes dropped EXE
      PID:412
  • C:\Users\Admin\AppData\Roaming\WEFHWE0-FWEUY-F9WUEFWWEF\BND0WEPWEJFC-9UEWFF\Object.exe
    "C:\Users\Admin\AppData\Roaming\WEFHWE0-FWEUY-F9WUEFWWEF\BND0WEPWEJFC-9UEWFF\Object.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" %1 "https://bit.ly/3DvoVCc"
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1284
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1284 CREDAT:82945 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1280

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/8-121-0x0000000002CF0000-0x0000000002CF1000-memory.dmp

    Filesize

    4KB

  • memory/8-120-0x0000000002CF0000-0x0000000002CF1000-memory.dmp

    Filesize

    4KB

  • memory/1284-153-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-173-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-200-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-199-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-198-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-154-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-155-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-157-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-158-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-159-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-160-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-161-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-162-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-163-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-165-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-166-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-167-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-169-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-170-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-171-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-197-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-174-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-175-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-176-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-196-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-179-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-180-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-182-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-183-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-185-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-187-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-188-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-189-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-193-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-194-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1284-195-0x00007FFE33E60000-0x00007FFE33ECB000-memory.dmp

    Filesize

    428KB

  • memory/1324-118-0x0000014A6A040000-0x0000014A6A042000-memory.dmp

    Filesize

    8KB

  • memory/1324-117-0x0000014A6A040000-0x0000014A6A042000-memory.dmp

    Filesize

    8KB

  • memory/2528-147-0x0000000000C00000-0x000000000150F000-memory.dmp

    Filesize

    9.1MB

  • memory/2528-201-0x00000000006D0000-0x00000000006F3000-memory.dmp

    Filesize

    140KB

  • memory/4016-116-0x000001F7DCFE0000-0x000001F7DCFE2000-memory.dmp

    Filesize

    8KB

  • memory/4016-115-0x000001F7DCFE0000-0x000001F7DCFE2000-memory.dmp

    Filesize

    8KB