Resubmissions

10-09-2021 08:20

210910-j8pmascghq 10

10-09-2021 06:36

210910-hdazzscfhk 10

Analysis

  • max time kernel
    153s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    10-09-2021 08:20

General

  • Target

    10000.exe

  • Size

    184KB

  • MD5

    c1a7af5210aa95abf7a60c9234edfef3

  • SHA1

    775030fd15d38116673a8758ececd8e091a4dc86

  • SHA256

    dd825f982712b6519ee45d665ca88adbabba747f45c645b8caeada2d8fe79b38

  • SHA512

    85ee399b7a2fad74c69f55ecdd781407adce29fcdb585abaf32dc2123f7b29d0f048cfb0cdaf598139742ccec3c27d60dc89e2d52020dba9224d7ca883e86139

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

C2

http://www.jakesplacebarbers.com/3nop/

Decoy

videohm.com

panache-rose.com

alnooncars-kw.com

trueblue2u.com

brussels-cafe.com

ip2c.net

influenzerr.com

rbcoq.com

zzful.com

drainthe.com

sumaholesson.com

cursosaprovados.com

genotecinc.com

dbrulhart.com

theapiarystudios.com

kensyu-kan.com

dkku88.com

tikhyper.com

aztecnort.com

homebrim.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 1 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Users\Admin\AppData\Local\Temp\10000.exe
      "C:\Users\Admin\AppData\Local\Temp\10000.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:1628
    • C:\Windows\SysWOW64\mstsc.exe
      "C:\Windows\SysWOW64\mstsc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\10000.exe"
        3⤵
        • Deletes itself
        PID:1640

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1244-62-0x0000000004E20000-0x0000000004F51000-memory.dmp
    Filesize

    1.2MB

  • memory/1244-70-0x0000000004A90000-0x0000000004B86000-memory.dmp
    Filesize

    984KB

  • memory/1628-60-0x0000000000760000-0x0000000000A63000-memory.dmp
    Filesize

    3.0MB

  • memory/1628-61-0x0000000000280000-0x0000000000294000-memory.dmp
    Filesize

    80KB

  • memory/1640-65-0x0000000000000000-mapping.dmp
  • memory/2024-63-0x0000000000000000-mapping.dmp
  • memory/2024-64-0x0000000075551000-0x0000000075553000-memory.dmp
    Filesize

    8KB

  • memory/2024-66-0x0000000000260000-0x0000000000364000-memory.dmp
    Filesize

    1.0MB

  • memory/2024-67-0x00000000000C0000-0x00000000000EE000-memory.dmp
    Filesize

    184KB

  • memory/2024-68-0x0000000001FB0000-0x00000000022B3000-memory.dmp
    Filesize

    3.0MB

  • memory/2024-69-0x0000000001E90000-0x0000000001F23000-memory.dmp
    Filesize

    588KB