Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 04:07

General

  • Target

    965600.invoice.exe

  • Size

    28KB

  • MD5

    5ad176cf9482ccedc206fca269089b25

  • SHA1

    0b917af3c99023327127aa034d3904888029e2d3

  • SHA256

    7190badb11c14706725e06f01dd4dbbd34f82233d3d69f7bd302cfdb947f6021

  • SHA512

    9e9c68cd8467f5b08f514b2315025f9e863f66a2d5746f54b5d7d5df89e8b6e9c232bca3fbfedfd6450b2d1ccb37bbd630ea95c0c1bdd5150acd73fb0841d580

  • SSDEEP

    192:+YHwHj0yVgOOVinHuCN0Tv2m5g7EDum0KypCkCgS43IhS/rUO50biUU9H+v5mIAf:4AyrgCNkun7EZ3uBIhErX6mPeJACsxh

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o62s

Decoy

lectrobay.shop

enisehirarnavutkoy.xyz

itoolz.net

otorcycle-loans-40378.bond

opjobsinusa.today

uara228j.shop

ukulbagus10.click

enhealth07.shop

cpoker.pro

ome-remodeling-16949.bond

andu.shop

hubbychicocharmqs.shop

onghi292.top

ussines-web-creators.net

alenspencer.online

ryptogigt.top

epiyiisigorta.online

ental-implants-77717.bond

juta.click

enisehirevleriarnavutkoy.xyz

Signatures

  • Formbook

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

  • Formbook family
  • Formbook payload 3 IoCs
  • Deletes itself 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 53 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Users\Admin\AppData\Local\Temp\965600.invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\965600.invoice.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1448
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "965600.invoice" /t REG_SZ /F /D "C:\Users\Admin\Documents\965600.invoice.pif"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2572
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /V "965600.invoice" /t REG_SZ /F /D "C:\Users\Admin\Documents\965600.invoice.pif"
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2628
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c Copy "C:\Users\Admin\AppData\Local\Temp\965600.invoice.exe" "C:\Users\Admin\Documents\965600.invoice.pif"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2848
      • C:\Users\Admin\AppData\Local\Temp\965600.invoice.exe
        "C:\Users\Admin\AppData\Local\Temp\965600.invoice.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1360
    • C:\Windows\SysWOW64\wininit.exe
      "C:\Windows\SysWOW64\wininit.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3016
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\965600.invoice.exe"
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:2372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab3E9.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar42B.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1232-57-0x0000000004EB0000-0x0000000004FC8000-memory.dmp

    Filesize

    1.1MB

  • memory/1232-52-0x0000000004EB0000-0x0000000004FC8000-memory.dmp

    Filesize

    1.1MB

  • memory/1360-51-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1360-49-0x00000000008B0000-0x0000000000BB3000-memory.dmp

    Filesize

    3.0MB

  • memory/1360-40-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1360-41-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1360-42-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1360-50-0x00000000001D0000-0x00000000001E5000-memory.dmp

    Filesize

    84KB

  • memory/1360-46-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1448-37-0x00000000054F0000-0x0000000005582000-memory.dmp

    Filesize

    584KB

  • memory/1448-45-0x0000000073D3E000-0x0000000073D3F000-memory.dmp

    Filesize

    4KB

  • memory/1448-0-0x0000000073D3E000-0x0000000073D3F000-memory.dmp

    Filesize

    4KB

  • memory/1448-2-0x0000000073D30000-0x000000007441E000-memory.dmp

    Filesize

    6.9MB

  • memory/1448-48-0x0000000073D30000-0x000000007441E000-memory.dmp

    Filesize

    6.9MB

  • memory/1448-53-0x0000000073D30000-0x000000007441E000-memory.dmp

    Filesize

    6.9MB

  • memory/1448-1-0x0000000000D60000-0x0000000000D6E000-memory.dmp

    Filesize

    56KB

  • memory/3016-55-0x0000000000540000-0x000000000055A000-memory.dmp

    Filesize

    104KB

  • memory/3016-54-0x0000000000540000-0x000000000055A000-memory.dmp

    Filesize

    104KB

  • memory/3016-56-0x00000000000C0000-0x00000000000EF000-memory.dmp

    Filesize

    188KB