Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-12-2022 14:55

General

  • Target

    PEDIDO pdf.exe

  • Size

    752KB

  • MD5

    e3698fc9d5c6152297de00168360d550

  • SHA1

    eb53bcf6fd90162cc5b3d74fd018e6a981919c43

  • SHA256

    26166c41b0a5364406a3c3f9c42d3f2bc3786aa5f32c71ee0675773bd7cc2125

  • SHA512

    7c3c6c80fbda902fbde5ff554147852295d7c9508f4237ca3fba8ce03e7ae94cabb8d259f01dcd029036c5b7e845ac6c657a7638b5e9319ff66f6f298d9e55f2

  • SSDEEP

    12288:mUdLctyTcf0hA/p4f2MjHJJY90LmRO1oTznmbhMGg3g43XR8:0UT40a/p4f2QLmEiTznmbvg3R3XR8

Malware Config

Extracted

Family

formbook

Campaign

asdo

Decoy

31/RFVD/FFkpCuo=

LS2evkT1Hf54yJ3A01ZhjLFKSw==

Dw25w8eoM4HRQ9T8YA==

F2rI9TgH1uCf

VOuuxD/qTPifG/QDJ76coQ==

9smUEHwvvAcD3rnTM3IZg7fh

k4RlZq6jXYrfEg==

1+E7QsiGloB8qoio4Oh/

dALS/H0nMg+jCtM1RpZ+

thNv9GMouDLIFvESJ76coQ==

Tc54uifIU66mck2hvrtXnVbp

cINUAYgiqlkpCuo=

ma2AwPyPmpxd2bPRMksak0T7uEg9kA==

RlMlYJ9UpFIz7dg1RpZ+

klG+mNmHrHcFhmZ12SNGhmN+0f6MaMs=

V/nT2VgHD+hito+tBumEzTyVl5g=

0Zto8FjseN7v8MAW6ZkZg7fh

gbGlkddlXYrfEg==

pymXGHouvjhnKg8+qD8bLcY=

VelU01Tk/+CzegtywL4=

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Users\Admin\AppData\Local\Temp\PEDIDO pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\PEDIDO pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4160
      • C:\Users\Admin\AppData\Local\Temp\PEDIDO pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\PEDIDO pdf.exe"
        3⤵
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:4448
    • C:\Windows\SysWOW64\autofmt.exe
      "C:\Windows\SysWOW64\autofmt.exe"
      2⤵
        PID:2616
      • C:\Windows\SysWOW64\colorcpl.exe
        "C:\Windows\SysWOW64\colorcpl.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3904
        • C:\Program Files\Mozilla Firefox\Firefox.exe
          "C:\Program Files\Mozilla Firefox\Firefox.exe"
          3⤵
            PID:2880

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Defense Evasion

      Modify Registry

      1
      T1112

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1048-153-0x0000000008220000-0x0000000008337000-memory.dmp
        Filesize

        1.1MB

      • memory/1048-169-0x0000000002B90000-0x0000000002BA0000-memory.dmp
        Filesize

        64KB

      • memory/1048-168-0x0000000002B90000-0x0000000002BA0000-memory.dmp
        Filesize

        64KB

      • memory/1048-167-0x0000000002B90000-0x0000000002BA0000-memory.dmp
        Filesize

        64KB

      • memory/1048-166-0x0000000002B80000-0x0000000002B90000-memory.dmp
        Filesize

        64KB

      • memory/1048-165-0x0000000002A00000-0x0000000002A10000-memory.dmp
        Filesize

        64KB

      • memory/1048-164-0x0000000002B90000-0x0000000002BA0000-memory.dmp
        Filesize

        64KB

      • memory/1048-163-0x0000000002B90000-0x0000000002BA0000-memory.dmp
        Filesize

        64KB

      • memory/1048-162-0x0000000002B90000-0x0000000002BA0000-memory.dmp
        Filesize

        64KB

      • memory/1048-161-0x0000000002B80000-0x0000000002B90000-memory.dmp
        Filesize

        64KB

      • memory/1048-159-0x0000000002B90000-0x0000000002BA0000-memory.dmp
        Filesize

        64KB

      • memory/1048-145-0x00000000083D0000-0x000000000854C000-memory.dmp
        Filesize

        1.5MB

      • memory/1048-160-0x0000000002B90000-0x0000000002BA0000-memory.dmp
        Filesize

        64KB

      • memory/1048-158-0x0000000002B90000-0x0000000002BA0000-memory.dmp
        Filesize

        64KB

      • memory/1048-157-0x0000000002B80000-0x0000000002B90000-memory.dmp
        Filesize

        64KB

      • memory/1048-156-0x0000000002A00000-0x0000000002A10000-memory.dmp
        Filesize

        64KB

      • memory/1048-155-0x0000000008220000-0x0000000008337000-memory.dmp
        Filesize

        1.1MB

      • memory/3904-152-0x00000000029D0000-0x0000000002A5F000-memory.dmp
        Filesize

        572KB

      • memory/3904-151-0x0000000002BA0000-0x0000000002EEA000-memory.dmp
        Filesize

        3.3MB

      • memory/3904-154-0x0000000000960000-0x000000000098D000-memory.dmp
        Filesize

        180KB

      • memory/3904-149-0x0000000000290000-0x00000000002A9000-memory.dmp
        Filesize

        100KB

      • memory/3904-150-0x0000000000960000-0x000000000098D000-memory.dmp
        Filesize

        180KB

      • memory/3904-146-0x0000000000000000-mapping.dmp
      • memory/4160-136-0x0000000007B50000-0x0000000007BEC000-memory.dmp
        Filesize

        624KB

      • memory/4160-133-0x00000000058E0000-0x0000000005E84000-memory.dmp
        Filesize

        5.6MB

      • memory/4160-134-0x0000000005210000-0x00000000052A2000-memory.dmp
        Filesize

        584KB

      • memory/4160-132-0x0000000000900000-0x00000000009C2000-memory.dmp
        Filesize

        776KB

      • memory/4160-135-0x0000000005300000-0x000000000530A000-memory.dmp
        Filesize

        40KB

      • memory/4448-144-0x0000000000E60000-0x0000000000E70000-memory.dmp
        Filesize

        64KB

      • memory/4448-140-0x0000000000400000-0x000000000042F000-memory.dmp
        Filesize

        188KB

      • memory/4448-138-0x0000000000400000-0x000000000042F000-memory.dmp
        Filesize

        188KB

      • memory/4448-137-0x0000000000000000-mapping.dmp
      • memory/4448-141-0x0000000000401000-0x000000000042F000-memory.dmp
        Filesize

        184KB

      • memory/4448-142-0x00000000013A0000-0x00000000016EA000-memory.dmp
        Filesize

        3.3MB

      • memory/4448-147-0x0000000000400000-0x000000000042F000-memory.dmp
        Filesize

        188KB

      • memory/4448-148-0x0000000000401000-0x000000000042F000-memory.dmp
        Filesize

        184KB