Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 08:01

General

  • Target

    2ece30c08f63f4fdc4d7326b39aa0066938163811e35d1aef6ddd2e0fada475f.exe

  • Size

    760KB

  • MD5

    91592318966139c15e0171f341882fc8

  • SHA1

    a6689f85a42ce934c3e96a9088f67c48e2e1fe83

  • SHA256

    2ece30c08f63f4fdc4d7326b39aa0066938163811e35d1aef6ddd2e0fada475f

  • SHA512

    abfd94393776b2fc7aa418f66487813a78c18b4704a3e9fd15d0ae99f9b8a28ee7dbe28edaff425a7f5a85005b324262e88a638caa098abc2f4e7fc4e8e44d99

  • SSDEEP

    12288:s8ImEuiETpbmqOwYG0JHK9Do7Uw82OpdYL445DR8jIQpOQgMUA23RzD1Kl4Ev5kR:s8I+b9CG0JHKG718izDa+x

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hd05

Decoy

businessjp6-51399.info

countyyoungpest.com

taxilasamericas.com

stairs.parts

nrgsolutions.us

cbdgirl.guru

dropshunter.net

adorabubble.co.za

alcohomeexteriors.com

aquariusbusiness.info

zaginione.com

pintoresmajadahonda.com

fursace.club

musiletras.co

carpoboutiquehotel.com

redacted.investments

symplywell.me

lezxop.xyz

stmbbill.com

1509068.cc

Signatures

  • Formbook

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

  • Formbook payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ece30c08f63f4fdc4d7326b39aa0066938163811e35d1aef6ddd2e0fada475f.exe
    "C:\Users\Admin\AppData\Local\Temp\2ece30c08f63f4fdc4d7326b39aa0066938163811e35d1aef6ddd2e0fada475f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2ece30c08f63f4fdc4d7326b39aa0066938163811e35d1aef6ddd2e0fada475f.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2652
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NFOLsr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NFOLsr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6AF3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2372
    • C:\Users\Admin\AppData\Local\Temp\2ece30c08f63f4fdc4d7326b39aa0066938163811e35d1aef6ddd2e0fada475f.exe
      "C:\Users\Admin\AppData\Local\Temp\2ece30c08f63f4fdc4d7326b39aa0066938163811e35d1aef6ddd2e0fada475f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6AF3.tmp

    Filesize

    1KB

    MD5

    0fee7cafde00b770405ec9d8728366b1

    SHA1

    f7f55eaf0ccda0b1c5aec5e03882e9424ef875bc

    SHA256

    90d89779ed5c7b12543e4f6cb463b3a905edb2ffddbe81ccd3ef5132b05dc545

    SHA512

    af866440b6d3bf9bfc60a698da33a8258cbb4e594c1eaa44e61a7bf2fce29f36706829123930800fe4869d9e0c907358209775f3e9c1f75bdfeba058fd926beb

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    a2ac99b0b1ad66a0b4ce1cbdf94cf2fe

    SHA1

    a88f0b822f2e87e2ecc6937ad07bdc637163eb60

    SHA256

    11f141f66dc410e357b2cd93729283a5a58477cc863f22e5562a65c7edccbda3

    SHA512

    a2059907a95e4066da1fc61bf6bdb319317abc7c7e15d8611d5d87974c8fe75f4562aab61138cd2cbb8a9c1f2beab640718f0e748c8ff8936783127b571822e9

  • memory/1928-6-0x0000000007890000-0x0000000007906000-memory.dmp

    Filesize

    472KB

  • memory/1928-3-0x00000000003B0000-0x00000000003CE000-memory.dmp

    Filesize

    120KB

  • memory/1928-4-0x0000000000410000-0x0000000000420000-memory.dmp

    Filesize

    64KB

  • memory/1928-5-0x0000000000420000-0x0000000000436000-memory.dmp

    Filesize

    88KB

  • memory/1928-0-0x000000007479E000-0x000000007479F000-memory.dmp

    Filesize

    4KB

  • memory/1928-2-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/1928-1-0x0000000000BB0000-0x0000000000C70000-memory.dmp

    Filesize

    768KB

  • memory/1928-25-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-19-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2704-24-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2704-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2704-21-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB