Analysis

  • max time kernel
    45s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    16-06-2022 08:31

General

  • Target

    266b94576fc5f21b1958e202c1e6296f95b247e0c02cb4683b8e164ec84d9a11.exe

  • Size

    660KB

  • MD5

    98d1100c39a023253cd46122e0a8820e

  • SHA1

    317b29e44ebbb9659203c1ed96ab1d73d6b540dd

  • SHA256

    266b94576fc5f21b1958e202c1e6296f95b247e0c02cb4683b8e164ec84d9a11

  • SHA512

    777335c56e065d1810251db4cdcda1e1ee6ec13cd0e47f89203a80e3d6497938a14f560c2b23f24dfd2c76c5509c863f03be6a6df102455aaa24f91bd7d47020

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

ho

Decoy

3dprintedphotography.com

surgeinor.com

goletavalleytechcenter.com

fort41.net

mudita.studio

pesticides-suppliers.com

al98ce.biz

berybest.com

siedumat.com

tomengrain.net

sunnyskiesvaca.info

centrocomercialatlantida.com

umeof.info

sequoiasurfacing.com

lacodeouro.com

somotorbike.com

chancetobloew.com

mcrikos.com

qizhangke.com

sugarnotchsawmill.com

Signatures

  • Formbook

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

  • Formbook Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\266b94576fc5f21b1958e202c1e6296f95b247e0c02cb4683b8e164ec84d9a11.exe
    "C:\Users\Admin\AppData\Local\Temp\266b94576fc5f21b1958e202c1e6296f95b247e0c02cb4683b8e164ec84d9a11.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\266b94576fc5f21b1958e202c1e6296f95b247e0c02cb4683b8e164ec84d9a11.exe
      C:\Users\Admin\AppData\Local\Temp\266b94576fc5f21b1958e202c1e6296f95b247e0c02cb4683b8e164ec84d9a11.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:1016
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1016 -s 176
        3⤵
        • Program crash
        PID:1192

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1016-62-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1016-63-0x0000000077980000-0x0000000077B00000-memory.dmp

    Filesize

    1.5MB

  • memory/1016-65-0x0000000006920000-0x0000000006C23000-memory.dmp

    Filesize

    3.0MB

  • memory/1948-56-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/1948-57-0x0000000075401000-0x0000000075403000-memory.dmp

    Filesize

    8KB

  • memory/1948-59-0x0000000077980000-0x0000000077B00000-memory.dmp

    Filesize

    1.5MB