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Analysis

  • max time kernel
    157s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    05/05/2023, 21:00

General

  • Target

    tmp.exe

  • Size

    605KB

  • MD5

    cb62322bf94c2372c0c4c0383f3c2a23

  • SHA1

    7b628d08dde66fe82002c908a1cdca11db5d54ed

  • SHA256

    f641f1a87ee2a760b79417b410c52137c114e2618529bb90a0f281967975476e

  • SHA512

    8a43cc7a3d2f6ebd5bd3bddc6577d435ac421697a3a8ca34074a29bdc716b589e87684e1cc5ae8d1007ef22e69e72cb0393c45c2f9f681fee3e0a7acec7f4237

  • SSDEEP

    12288:FYmXlA7G3NFi0b7BMAsSMMT6sOhOIbw9SopRGdovnyo6VNglbXT:F5aS9Fi0b7BPl569I4p4G6vn32SbXT

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

tf6p

Decoy

poolcleanerskingsland.com

nieveslandscapee.com

wb263.com

smartlubetrading.com

linuowen.com

fna-seattle.com

jobgenie-ai.com

mycocktailmind.com

openai-invite.com

tnndjf5kyxz.com

mclane.attorney

somwear.xyz

spliffstudios.com

grupofaace.com

wuuwo.com

bigtimerushcharlotte.com

yourercchecks.com

arportablepottyrentals.biz

sbtsanantonio.com

explantationsbegleitung.com

Signatures

  • Formbook

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

  • Formbook payload 3 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1568
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:336
  • 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:1200
    • C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      2⤵
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1368
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
        3⤵
        • Deletes itself
        PID:2016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/336-66-0x0000000000AB0000-0x0000000000DB3000-memory.dmp

    Filesize

    3.0MB

  • memory/336-68-0x00000000001D0000-0x00000000001E4000-memory.dmp

    Filesize

    80KB

  • memory/336-67-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/336-61-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/336-62-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/336-64-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/336-63-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1200-80-0x0000000004DC0000-0x0000000004F3D000-memory.dmp

    Filesize

    1.5MB

  • memory/1200-78-0x0000000004DC0000-0x0000000004F3D000-memory.dmp

    Filesize

    1.5MB

  • memory/1200-77-0x0000000004DC0000-0x0000000004F3D000-memory.dmp

    Filesize

    1.5MB

  • memory/1200-69-0x0000000004CA0000-0x0000000004DB5000-memory.dmp

    Filesize

    1.1MB

  • memory/1368-70-0x0000000000A50000-0x0000000000A59000-memory.dmp

    Filesize

    36KB

  • memory/1368-71-0x0000000000A50000-0x0000000000A59000-memory.dmp

    Filesize

    36KB

  • memory/1368-72-0x0000000000080000-0x00000000000AF000-memory.dmp

    Filesize

    188KB

  • memory/1368-73-0x00000000021E0000-0x00000000024E3000-memory.dmp

    Filesize

    3.0MB

  • memory/1368-76-0x0000000002050000-0x00000000020E3000-memory.dmp

    Filesize

    588KB

  • memory/1568-60-0x0000000001F90000-0x0000000001FC8000-memory.dmp

    Filesize

    224KB

  • memory/1568-59-0x0000000007E20000-0x0000000007E90000-memory.dmp

    Filesize

    448KB

  • memory/1568-58-0x00000000004F0000-0x00000000004FC000-memory.dmp

    Filesize

    48KB

  • memory/1568-54-0x0000000000A10000-0x0000000000AAE000-memory.dmp

    Filesize

    632KB

  • memory/1568-57-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB

  • memory/1568-56-0x00000000004E0000-0x00000000004F4000-memory.dmp

    Filesize

    80KB

  • memory/1568-55-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB