Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-12-2024 09:01

General

  • Target

    SKMBT100020241312000.exe

  • Size

    742KB

  • MD5

    25369cacd15fd28391f08b48ad5fdf4d

  • SHA1

    f091fd2f772d7c566bcce4c046323ef02808f2da

  • SHA256

    b54b6ef71478646451ca1905b93c380141b4df637d73cb796af0a391ba47f43e

  • SHA512

    e13b6e32e1106f93f6a9fdf8a1871d4a60ca015d8c68a72ca557990dedb82da81c722a36a0a862f564b0809bd092da4bf2dfa9a809febc81b19413d534581598

  • SSDEEP

    12288:ZjlIpHtMPku+l0CPPlzYUDbl3H7WZiga3jtuAEzY69hbnrF65FO28EYT/0:ZjlIhSPd+plzYu3+UuAEzY0h3FfxECs

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gd04

Decoy

f5u8utd50.icu

ob-offer-33304.bond

aaf.zone

hoppersrack.store

nline-gaming-33476.bond

isionaryvault.online

ilitary-jobs-88516.bond

iyxym.info

eyes.xyz

refle.xyz

kinsmonlkey.shop

oruu.shop

est2x2.online

nline-advertising-77889.bond

hepresspoolai.xyz

anilaberg.online

reimutigleben.store

anguage-courses-22450.bond

zzt.xyz

kfn.lat

Signatures

  • Formbook

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

  • Formbook family
  • Formbook payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3456
    • C:\Users\Admin\AppData\Local\Temp\SKMBT100020241312000.exe
      "C:\Users\Admin\AppData\Local\Temp\SKMBT100020241312000.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4028
      • C:\Users\Admin\AppData\Local\Temp\SKMBT100020241312000.exe
        "C:\Users\Admin\AppData\Local\Temp\SKMBT100020241312000.exe"
        3⤵
          PID:3508
        • C:\Users\Admin\AppData\Local\Temp\SKMBT100020241312000.exe
          "C:\Users\Admin\AppData\Local\Temp\SKMBT100020241312000.exe"
          3⤵
            PID:2236
          • C:\Users\Admin\AppData\Local\Temp\SKMBT100020241312000.exe
            "C:\Users\Admin\AppData\Local\Temp\SKMBT100020241312000.exe"
            3⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            PID:848
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\SysWOW64\cmd.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:1012
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\SKMBT100020241312000.exe"
            3⤵
            • System Location Discovery: System Language Discovery
            PID:4932

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/848-11-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/848-16-0x0000000000400000-0x000000000042F000-memory.dmp

        Filesize

        188KB

      • memory/848-17-0x0000000001410000-0x0000000001424000-memory.dmp

        Filesize

        80KB

      • memory/848-14-0x0000000001600000-0x000000000194A000-memory.dmp

        Filesize

        3.3MB

      • memory/1012-22-0x0000000000360000-0x000000000038F000-memory.dmp

        Filesize

        188KB

      • memory/1012-21-0x0000000000DA0000-0x0000000000DFA000-memory.dmp

        Filesize

        360KB

      • memory/1012-19-0x0000000000DA0000-0x0000000000DFA000-memory.dmp

        Filesize

        360KB

      • memory/3456-27-0x0000000003040000-0x000000000312F000-memory.dmp

        Filesize

        956KB

      • memory/3456-25-0x0000000003040000-0x000000000312F000-memory.dmp

        Filesize

        956KB

      • memory/3456-23-0x0000000002F50000-0x000000000303E000-memory.dmp

        Filesize

        952KB

      • memory/3456-18-0x0000000002F50000-0x000000000303E000-memory.dmp

        Filesize

        952KB

      • memory/4028-5-0x0000000074CD0000-0x0000000075480000-memory.dmp

        Filesize

        7.7MB

      • memory/4028-13-0x0000000074CD0000-0x0000000075480000-memory.dmp

        Filesize

        7.7MB

      • memory/4028-10-0x000000000C960000-0x000000000C9FC000-memory.dmp

        Filesize

        624KB

      • memory/4028-9-0x0000000005480000-0x00000000054F8000-memory.dmp

        Filesize

        480KB

      • memory/4028-8-0x0000000074CD0000-0x0000000075480000-memory.dmp

        Filesize

        7.7MB

      • memory/4028-7-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

        Filesize

        4KB

      • memory/4028-6-0x0000000005D00000-0x0000000005D26000-memory.dmp

        Filesize

        152KB

      • memory/4028-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

        Filesize

        4KB

      • memory/4028-4-0x00000000059F0000-0x00000000059FA000-memory.dmp

        Filesize

        40KB

      • memory/4028-3-0x0000000005A50000-0x0000000005AE2000-memory.dmp

        Filesize

        584KB

      • memory/4028-2-0x0000000006000000-0x00000000065A4000-memory.dmp

        Filesize

        5.6MB

      • memory/4028-1-0x0000000000F90000-0x0000000001050000-memory.dmp

        Filesize

        768KB