Analysis

  • max time kernel
    150s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 06:04

General

  • Target

    be993277e71fd91453651b5960088c71cc430ff6750b8c73b56586d5203921a8.exe

  • Size

    214KB

  • MD5

    25364a4e054cbfe90968028b3de3dba0

  • SHA1

    8379182160adba00c2c84cc7c92146a54e1ceef9

  • SHA256

    be993277e71fd91453651b5960088c71cc430ff6750b8c73b56586d5203921a8

  • SHA512

    d24f8e0d7b01a0dd453fd51ebafd0b6cd1ac02e61b9019d19ce99b8757f3361850297aab4ec54b0190764b27d861e0e81a393b03067d5caf5b00dbe112ca071b

  • SSDEEP

    3072:ZSDuGtVVkJpJpkmMZSlYOUxALuiWGjolObzUtwp34d:2wJpJNYOUxku1GzzU24d

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    15800620204

Signatures

  • UAC bypass 3 TTPs 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Drops file in Drivers directory 1 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 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be993277e71fd91453651b5960088c71cc430ff6750b8c73b56586d5203921a8.exe
    "C:\Users\Admin\AppData\Local\Temp\be993277e71fd91453651b5960088c71cc430ff6750b8c73b56586d5203921a8.exe"
    1⤵
    • UAC bypass
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1324
    • C:\Windows\SysWOW64\REG.exe
      REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryTools /t REG_DWORD /d 1 /f
      2⤵
      • Disables RegEdit via registry modification
      • Modifies registry key
      PID:1476
    • C:\Windows\SysWOW64\REG.exe
      REG add HKCU\Software\Policies\Microsoft\Windows\System /v DisableCMD /t REG_DWORD /d 1 /f
      2⤵
      • Modifies registry key
      PID:1972

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1324-55-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

    Filesize

    8KB

  • memory/1324-56-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1324-57-0x0000000000266000-0x0000000000277000-memory.dmp

    Filesize

    68KB

  • memory/1324-60-0x00000000748F0000-0x0000000074E9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1324-61-0x0000000000266000-0x0000000000277000-memory.dmp

    Filesize

    68KB