Overview

overview

10

Static

static

10

1.exe

windows7_x64

10

1.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    24-08-2021 09:38

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General

  • Target

    1.exe

  • Size

    184KB

  • MD5

    a07af50447cdcd3e6171b274894c0067

  • SHA1

    d6a4a04a1472104d224a0fb46c204e3cc44e264e

  • SHA256

    328ba91220f66fb35b757598b5d7a492ac352406300003a86fb366360d4fcf09

  • SHA512

    eae45defc6965660eed2a2b8778b9b1125b10e331623ed29bccdfcb18b18a03bf8b0ff0f420df3affd3d6d1de5229c4fa981e8b42d9ef714a9e6e911e6b9d56e

Score
10/10
formbookn7akratspywarestealertrojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.com

Signatures

  • Formbook

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

    trojanspywarestealerformbook
  • Formbook Payload 1 IoCs
    rat
  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Local\Temp\1.exe
      "C:\Users\Admin\AppData\Local\Temp\1.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:628
    • C:\Windows\SysWOW64\colorcpl.exe
      "C:\Windows\SysWOW64\colorcpl.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\1.exe"
        3⤵
          PID:2856

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/628-114-0x0000000000A90000-0x0000000000DB0000-memory.dmp
      Filesize

      3.1MB

      Download
    • memory/628-115-0x00000000007A0000-0x00000000007B4000-memory.dmp
      Filesize

      80KB

      Download
    • memory/2856-118-0x0000000000000000-mapping.dmp
      Download
    • memory/2988-117-0x0000000000000000-mapping.dmp
      Download
    • memory/2988-120-0x00000000009A0000-0x00000000009CE000-memory.dmp
      Filesize

      184KB

      Download
    • memory/2988-119-0x0000000001240000-0x0000000001259000-memory.dmp
      Filesize

      100KB

      Download
    • memory/2988-121-0x0000000004BB0000-0x0000000004ED0000-memory.dmp
      Filesize

      3.1MB

      Download
    • memory/2988-122-0x0000000004970000-0x0000000004A03000-memory.dmp
      Filesize

      588KB

      Download
    • memory/2996-116-0x0000000006450000-0x00000000065E0000-memory.dmp
      Filesize

      1.6MB

      Download
    • memory/2996-123-0x00000000065E0000-0x0000000006693000-memory.dmp
      Filesize

      716KB

      Download