Analysis

  • max time kernel
    148s
  • max time network
    137s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    20-09-2021 10:12

General

  • Target

    conferma SWIFT copia pdf.exe

  • Size

    684KB

  • MD5

    8371b3f4f53c2f7d2ac7fbc66719660b

  • SHA1

    762d5507ae4c64ae0dc11098ea1f1ce5a5d8d28d

  • SHA256

    a3da5c70fbe1fabaaec65ce52c8e76384e94a5937e9fd7e8515ba8a1a048b255

  • SHA512

    b54474caee9cbed9910156e35a8b6b0ee6723971777e2c010d734637e42f104562b57609b20aadee66591d8d97f165d848260262c8e0d3118b3e44efbdf9ebe3

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.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Users\Admin\AppData\Local\Temp\conferma SWIFT copia pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\conferma SWIFT copia pdf.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3548
      • C:\Windows\SysWOW64\DpiScaling.exe
        C:\Windows\System32\DpiScaling.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:3632
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:4008
      • C:\Windows\SysWOW64\autoconv.exe
        "C:\Windows\SysWOW64\autoconv.exe"
        2⤵
          PID:3452
        • C:\Windows\SysWOW64\autoconv.exe
          "C:\Windows\SysWOW64\autoconv.exe"
          2⤵
            PID:1912
          • C:\Windows\SysWOW64\autoconv.exe
            "C:\Windows\SysWOW64\autoconv.exe"
            2⤵
              PID:2788
            • C:\Windows\SysWOW64\autoconv.exe
              "C:\Windows\SysWOW64\autoconv.exe"
              2⤵
                PID:2792
              • C:\Windows\SysWOW64\autoconv.exe
                "C:\Windows\SysWOW64\autoconv.exe"
                2⤵
                  PID:3288
                • C:\Windows\SysWOW64\autoconv.exe
                  "C:\Windows\SysWOW64\autoconv.exe"
                  2⤵
                    PID:740
                  • C:\Windows\SysWOW64\wlanext.exe
                    "C:\Windows\SysWOW64\wlanext.exe"
                    2⤵
                    • Suspicious use of SetThreadContext
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious behavior: MapViewOfSection
                    • Suspicious use of AdjustPrivilegeToken
                    • Suspicious use of WriteProcessMemory
                    PID:696
                    • C:\Windows\SysWOW64\cmd.exe
                      /c del "C:\Windows\SysWOW64\DpiScaling.exe"
                      3⤵
                        PID:3256

                  Network

                  MITRE ATT&CK Matrix

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • memory/696-123-0x0000000000000000-mapping.dmp
                  • memory/696-128-0x00000000032E0000-0x0000000003373000-memory.dmp
                    Filesize

                    588KB

                  • memory/696-126-0x00000000033E0000-0x0000000003700000-memory.dmp
                    Filesize

                    3.1MB

                  • memory/696-125-0x0000000002BA0000-0x0000000002BCE000-memory.dmp
                    Filesize

                    184KB

                  • memory/696-124-0x00000000009C0000-0x00000000009D7000-memory.dmp
                    Filesize

                    92KB

                  • memory/3032-122-0x0000000005350000-0x00000000054BB000-memory.dmp
                    Filesize

                    1.4MB

                  • memory/3032-129-0x0000000006280000-0x00000000063FC000-memory.dmp
                    Filesize

                    1.5MB

                  • memory/3256-127-0x0000000000000000-mapping.dmp
                  • memory/3548-115-0x00000000004C0000-0x000000000056E000-memory.dmp
                    Filesize

                    696KB

                  • memory/3632-120-0x0000000004500000-0x0000000004820000-memory.dmp
                    Filesize

                    3.1MB

                  • memory/3632-121-0x0000000000BD0000-0x0000000000BE4000-memory.dmp
                    Filesize

                    80KB

                  • memory/3632-118-0x0000000000430000-0x0000000000431000-memory.dmp
                    Filesize

                    4KB

                  • memory/3632-119-0x0000000010410000-0x000000001043E000-memory.dmp
                    Filesize

                    184KB

                  • memory/3632-117-0x0000000000000000-mapping.dmp