Analysis

  • max time kernel
    94s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 21:59

General

  • Target

    497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe

  • Size

    856KB

  • MD5

    172a2a2d331ca81aa7f36024017ba6f1

  • SHA1

    7f85bb529d373a22de7ec615c412a9001a01a36c

  • SHA256

    497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305

  • SHA512

    bf00d95f0f89c457e8e9afa69d925df2aa9daf452a7b7cc055dd74483ea9f927eb5ba8f2fa66c0557578edad6f70c28cd24891d27bfcdd3ada522327bb234fd0

  • SSDEEP

    12288:OJpCxkfn9Z81c4ozkgRS8mrFGMVlkm8IpOQnFwTADqjJ5n:mfnP8O4oz/tAGM3kmp0QFkjr

Malware Config

Extracted

Family

formbook

Campaign

fuyb

Decoy

ySqkimeTE13H2ewGja9LGg==

c6a/mIndrz59qJ+/EZkF1VoKrQ==

puyjGw1Sa0A3VV4KDnqRFhr2jQC3fkc=

AjQ3LKQUXkyY6xtK/7v2VD32hgC3fkc=

zDZkS4/T4a3VFha4ja9LGg==

JYyS87zY2KSlwbAZq3Qx

Ip0fCecSq7T3ahlotm5p155TI2M/

ipYI7ki2JoP3FTV3DtjWeBqU

OG8mkGOZ5vPkBbwTIYpvwW92C8E=

GqbksepyJ6UgcFGPUA==

1zpmT4/g7AdL

2/gE2eXTnxzbcFGPUA==

CpK1phq0TrU3RnkgGKxt6tY=

4CmsHJMoNyxlsVaFx6W+iDee

+XypJGn7A+XcAFHrZ9Y6

UIAQW44G/tnX6JtM0n7UvqqR

6DHlWlGVuDDXcFGPUA==

Vp7L/Td2KXf8HL/RDePWeBqU

SnchgsBScnGwB7yvQgEqQPV0f8k=

wgMo/D7YcYh7ezwb6js=

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Formbook

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

  • Formbook family
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe
    "C:\Users\Admin\AppData\Local\Temp\497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:116
    • C:\Users\Admin\AppData\Local\Temp\497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe
      "{path}"
      2⤵
        PID:3752
      • C:\Users\Admin\AppData\Local\Temp\497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe
        "{path}"
        2⤵
          PID:1296
        • C:\Users\Admin\AppData\Local\Temp\497b0213c42c51705d4db1a404852919b6c362bc32db6dd0c412bc16e9f5b305.exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2760

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/116-8-0x0000000075330000-0x0000000075AE0000-memory.dmp

        Filesize

        7.7MB

      • memory/116-7-0x00000000063A0000-0x00000000063C0000-memory.dmp

        Filesize

        128KB

      • memory/116-0-0x000000007533E000-0x000000007533F000-memory.dmp

        Filesize

        4KB

      • memory/116-3-0x0000000004A20000-0x0000000004AB2000-memory.dmp

        Filesize

        584KB

      • memory/116-4-0x0000000004BA0000-0x0000000004C3C000-memory.dmp

        Filesize

        624KB

      • memory/116-5-0x0000000075330000-0x0000000075AE0000-memory.dmp

        Filesize

        7.7MB

      • memory/116-6-0x0000000004B30000-0x0000000004B3A000-memory.dmp

        Filesize

        40KB

      • memory/116-17-0x0000000075330000-0x0000000075AE0000-memory.dmp

        Filesize

        7.7MB

      • memory/116-2-0x00000000050B0000-0x0000000005654000-memory.dmp

        Filesize

        5.6MB

      • memory/116-1-0x00000000000C0000-0x000000000019C000-memory.dmp

        Filesize

        880KB

      • memory/116-11-0x00000000065D0000-0x000000000665C000-memory.dmp

        Filesize

        560KB

      • memory/116-10-0x0000000075330000-0x0000000075AE0000-memory.dmp

        Filesize

        7.7MB

      • memory/116-12-0x0000000008C20000-0x0000000008C54000-memory.dmp

        Filesize

        208KB

      • memory/116-9-0x000000007533E000-0x000000007533F000-memory.dmp

        Filesize

        4KB

      • memory/2760-20-0x0000000001120000-0x000000000146A000-memory.dmp

        Filesize

        3.3MB

      • memory/2760-16-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/2760-18-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/2760-19-0x0000000001120000-0x000000000146A000-memory.dmp

        Filesize

        3.3MB

      • memory/2760-13-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB