Analysis

  • max time kernel
    151s
  • max time network
    173s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    24-08-2021 08:55

General

  • Target

    966839ee96aef44275cf750220e9f3abbbbbcda2ddb12b98754da0a95e952520.exe

  • Size

    829KB

  • MD5

    8451c2a517986544d0ccdc58c5118a6f

  • SHA1

    821c08b1e2d3a450588ffb734c27e67ceab1f03c

  • SHA256

    966839ee96aef44275cf750220e9f3abbbbbcda2ddb12b98754da0a95e952520

  • SHA512

    ce82fd6e40834e84e149e43e3423eb2b38fbc3472b23a816fa844ece90bf41e8b1ee41fa464f99943f7ccfe9e5d43a03bae5c45c87c5b3a670958a8a6c65fd04

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.

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 17 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1220
    • C:\Users\Admin\AppData\Local\Temp\966839ee96aef44275cf750220e9f3abbbbbcda2ddb12b98754da0a95e952520.exe
      "C:\Users\Admin\AppData\Local\Temp\966839ee96aef44275cf750220e9f3abbbbbcda2ddb12b98754da0a95e952520.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Users\Admin\AppData\Local\Temp\966839ee96aef44275cf750220e9f3abbbbbcda2ddb12b98754da0a95e952520.exe
        C:\Users\Admin\AppData\Local\Temp\966839ee96aef44275cf750220e9f3abbbbbcda2ddb12b98754da0a95e952520.exe
        3⤵
          PID:1304
          • C:\Windows\SysWOW64\dialer.exe
            C:\Windows\System32\dialer.exe
            4⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            PID:832
      • C:\Windows\SysWOW64\cmmon32.exe
        "C:\Windows\SysWOW64\cmmon32.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1784
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Windows\SysWOW64\dialer.exe"
          3⤵
            PID:1296

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/832-72-0x00000000020D0000-0x00000000023D3000-memory.dmp
        Filesize

        3.0MB

      • memory/832-73-0x0000000000270000-0x0000000000284000-memory.dmp
        Filesize

        80KB

      • memory/832-68-0x0000000000000000-mapping.dmp
      • memory/832-69-0x00000000754F1000-0x00000000754F3000-memory.dmp
        Filesize

        8KB

      • memory/832-71-0x0000000010430000-0x000000001045E000-memory.dmp
        Filesize

        184KB

      • memory/832-70-0x0000000000090000-0x0000000000091000-memory.dmp
        Filesize

        4KB

      • memory/1220-81-0x0000000004A20000-0x0000000004B05000-memory.dmp
        Filesize

        916KB

      • memory/1220-74-0x0000000003AE0000-0x0000000003C2B000-memory.dmp
        Filesize

        1.3MB

      • memory/1296-76-0x0000000000000000-mapping.dmp
      • memory/1304-67-0x0000000000330000-0x0000000000331000-memory.dmp
        Filesize

        4KB

      • memory/1304-66-0x00000000001B0000-0x00000000001B1000-memory.dmp
        Filesize

        4KB

      • memory/1304-62-0x0000000000000000-mapping.dmp
      • memory/1784-75-0x0000000000000000-mapping.dmp
      • memory/1784-78-0x0000000000080000-0x00000000000AE000-memory.dmp
        Filesize

        184KB

      • memory/1784-79-0x0000000001FB0000-0x00000000022B3000-memory.dmp
        Filesize

        3.0MB

      • memory/1784-77-0x00000000001E0000-0x00000000001ED000-memory.dmp
        Filesize

        52KB

      • memory/1784-80-0x0000000000590000-0x0000000000623000-memory.dmp
        Filesize

        588KB

      • memory/2004-60-0x0000000000220000-0x0000000000221000-memory.dmp
        Filesize

        4KB

      • memory/2004-63-0x0000000010410000-0x000000001042B000-memory.dmp
        Filesize

        108KB