Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-04-2021 16:07

General

  • Target

    pending orders0308 D2101002610 pdf.exe

  • Size

    1.0MB

  • MD5

    346fb2689c7f90207ce5df0b60be8b14

  • SHA1

    3eee0df26d21393485821a95c2beffc8797d090b

  • SHA256

    6a900970eda971ac9e4cc4263b78b6145ef6c5a94783c572805fdf3c85a8503a

  • SHA512

    9875b395dc34b35f011916d89f3647b155821a4627256d1a7fd3c7af655dcec1e153b1ddcd764e957a404547c4cb6b930afbc358f065ec9671030cf82edf02f8

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.gloomyca.com/chue/

Decoy

hairdewproducts.com

whssboys.net

visual-promotions.com

alsgotyaexteriorcleaning.com

conwayconsultant.com

sjlartistrydesign.info

organicroomservice.com

elatedscents.com

selfauthering.com

variablemonsters.com

thedietcop.com

openhouseshamptonroads.com

tyrantthemes.com

trumppowercatamarans.com

yznx.xyz

jshfoodpantry.com

larmealoeil.com

biztradelines.com

axawinterthur.sucks

inspiredtravels.net

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Users\Admin\AppData\Local\Temp\pending orders0308 D2101002610 pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\pending orders0308 D2101002610 pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3176
      • C:\Users\Admin\AppData\Local\Temp\pending orders0308 D2101002610 pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\pending orders0308 D2101002610 pdf.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:680
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:1888
      • C:\Windows\SysWOW64\NETSTAT.EXE
        "C:\Windows\SysWOW64\NETSTAT.EXE"
        2⤵
        • Suspicious use of SetThreadContext
        • Gathers network information
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2104
        • C:\Program Files\Mozilla Firefox\Firefox.exe
          "C:\Program Files\Mozilla Firefox\Firefox.exe"
          3⤵
            PID:4068

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Command-Line Interface

      1
      T1059

      Defense Evasion

      Modify Registry

      1
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/680-125-0x0000000000400000-0x000000000042E000-memory.dmp
        Filesize

        184KB

      • memory/680-131-0x00000000013B0000-0x00000000013C4000-memory.dmp
        Filesize

        80KB

      • memory/680-129-0x0000000000F70000-0x0000000000F84000-memory.dmp
        Filesize

        80KB

      • memory/680-128-0x00000000013E0000-0x0000000001700000-memory.dmp
        Filesize

        3.1MB

      • memory/680-126-0x000000000041ED00-mapping.dmp
      • memory/2104-134-0x0000000001180000-0x000000000118B000-memory.dmp
        Filesize

        44KB

      • memory/2104-133-0x0000000000000000-mapping.dmp
      • memory/2104-137-0x0000000003AF0000-0x0000000003B83000-memory.dmp
        Filesize

        588KB

      • memory/2104-136-0x00000000037D0000-0x0000000003AF0000-memory.dmp
        Filesize

        3.1MB

      • memory/2104-135-0x0000000001000000-0x000000000102E000-memory.dmp
        Filesize

        184KB

      • memory/2716-132-0x0000000002A70000-0x0000000002B70000-memory.dmp
        Filesize

        1024KB

      • memory/2716-130-0x0000000005FE0000-0x0000000006183000-memory.dmp
        Filesize

        1.6MB

      • memory/2716-138-0x0000000005180000-0x0000000005271000-memory.dmp
        Filesize

        964KB

      • memory/3176-120-0x0000000005030000-0x0000000005031000-memory.dmp
        Filesize

        4KB

      • memory/3176-117-0x0000000005080000-0x0000000005081000-memory.dmp
        Filesize

        4KB

      • memory/3176-116-0x0000000005580000-0x0000000005581000-memory.dmp
        Filesize

        4KB

      • memory/3176-121-0x0000000005AC0000-0x0000000005AC9000-memory.dmp
        Filesize

        36KB

      • memory/3176-119-0x0000000005060000-0x0000000005061000-memory.dmp
        Filesize

        4KB

      • memory/3176-114-0x0000000000660000-0x0000000000661000-memory.dmp
        Filesize

        4KB

      • memory/3176-124-0x00000000082B0000-0x00000000082E3000-memory.dmp
        Filesize

        204KB

      • memory/3176-123-0x0000000000FD0000-0x000000000104A000-memory.dmp
        Filesize

        488KB

      • memory/3176-122-0x000000007FAF0000-0x000000007FAF1000-memory.dmp
        Filesize

        4KB

      • memory/3176-118-0x0000000005120000-0x0000000005121000-memory.dmp
        Filesize

        4KB

      • memory/4068-139-0x0000000000000000-mapping.dmp
      • memory/4068-140-0x00007FF766550000-0x00007FF7665E3000-memory.dmp
        Filesize

        588KB

      • memory/4068-141-0x0000014C39AC0000-0x0000014C39C1A000-memory.dmp
        Filesize

        1.4MB