Analysis

  • max time kernel
    135s
  • max time network
    6s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    07-07-2020 17:27

General

  • Target

    Reconfirm your IBAN.exe

  • Size

    658KB

  • MD5

    e466396cdd8c13b7d720b275e4c16b05

  • SHA1

    842de4497253343ab91d5c75e7d4dbcd2639843e

  • SHA256

    571d91bcbedea2198fed6ad8433d7faeaa9add927022c32dc2cce088e781263c

  • SHA512

    3a4d5d357fffa3912ea1ab16a721c2a8a44cfc98abe4cb3ae4fcc4003b69a1ec42edaacaaae816585e7b02d63e35a1d05b660743a3b21d37605d4dc7c6473a89

Score
8/10

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Loads dropped DLL 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Adds Run entry to start application 2 TTPs 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Executes dropped EXE 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Reconfirm your IBAN.exe
    "C:\Users\Admin\AppData\Local\Temp\Reconfirm your IBAN.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v app /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Local\app.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1568
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v app /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Local\app.exe"
        3⤵
        • Adds Run entry to start application
        PID:1064
    • C:\Users\Admin\AppData\Local\app.exe
      "C:\Users\Admin\AppData\Local\app.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:572
      • C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
        "C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Loads dropped DLL
        • Suspicious use of AdjustPrivilegeToken
        • Executes dropped EXE
        PID:1132

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RegAsm.exe

  • C:\Users\Admin\AppData\Local\Temp\RegAsm.exe

  • C:\Users\Admin\AppData\Local\app.exe

  • C:\Users\Admin\AppData\Local\app.exe

  • \Users\Admin\AppData\Local\Temp\RegAsm.exe

  • \Users\Admin\AppData\Local\Temp\RegAsm.exe

  • \Users\Admin\AppData\Local\app.exe

  • memory/572-6-0x0000000000000000-mapping.dmp

  • memory/1064-4-0x0000000000000000-mapping.dmp

  • memory/1132-14-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1132-15-0x0000000000446D0E-mapping.dmp

  • memory/1132-17-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1132-18-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1304-1-0x0000000000000000-0x0000000000000000-disk.dmp

  • memory/1568-3-0x0000000000000000-mapping.dmp