Analysis

  • max time kernel
    145s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 20:22

General

  • Target

    INV349265.exe

  • Size

    784KB

  • MD5

    d89cd1e76600ab0ce3daa93016995b2a

  • SHA1

    710caa0136a1d5251c23878ddb40f4c6b8c45f9d

  • SHA256

    12af745dd8353b25857dc4bd3d3282f21c960ab55d3dece7e62d7a10a9aae810

  • SHA512

    153cdc07ac45b683bb9e93d053aac3e4e8d3101b07a48c7d81585368c2b2aa3a54e3949a4cf05fe09a9a18d32e385b6ec4746071a571d2e464f862342e0c04b0

  • SSDEEP

    12288:dTvgGThLLQsb16RwqKaKeN3Hd4hsubCcopOQBIyrtBNK/KoohkR:Vvg2LcvRwqKaKoX+hlGp/Blrtv+KP8

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t94g

Decoy

32188.top

mergencyroofrepair656460.online

jkahu.fun

ur4.autos

r0lba4cl0qkaws8.bond

eiliaowang.top

urjav.xyz

kidaman15.click

old-removal-p350.today

levatethismedia.info

h33323s40.top

dormy.click

5406.club

earlofwisdombook.pro

6980.app

ellwood999.biz

otdates.lol

164v.shop

thereal.app

takeget.online

Signatures

  • Formbook

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

  • Formbook payload 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 6 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3484
    • C:\Users\Admin\AppData\Local\Temp\INV349265.exe
      "C:\Users\Admin\AppData\Local\Temp\INV349265.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1832
      • 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\INV349265.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4812
      • C:\Users\Admin\AppData\Local\Temp\INV349265.exe
        "C:\Users\Admin\AppData\Local\Temp\INV349265.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:220
    • 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:1004
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\INV349265.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u1a45hqh.buo.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/220-11-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/220-17-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/220-18-0x00000000011B0000-0x00000000011C5000-memory.dmp

    Filesize

    84KB

  • memory/220-14-0x00000000013D0000-0x000000000171A000-memory.dmp

    Filesize

    3.3MB

  • memory/1004-65-0x0000000000070000-0x00000000000CA000-memory.dmp

    Filesize

    360KB

  • memory/1004-63-0x0000000000070000-0x00000000000CA000-memory.dmp

    Filesize

    360KB

  • memory/1004-69-0x0000000000810000-0x000000000083F000-memory.dmp

    Filesize

    188KB

  • memory/1832-5-0x0000000004B60000-0x0000000004B6A000-memory.dmp

    Filesize

    40KB

  • memory/1832-6-0x0000000006250000-0x000000000626E000-memory.dmp

    Filesize

    120KB

  • memory/1832-10-0x000000000AB50000-0x000000000ABEC000-memory.dmp

    Filesize

    624KB

  • memory/1832-8-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/1832-13-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/1832-7-0x000000007535E000-0x000000007535F000-memory.dmp

    Filesize

    4KB

  • memory/1832-1-0x0000000000090000-0x0000000000156000-memory.dmp

    Filesize

    792KB

  • memory/1832-9-0x0000000004570000-0x00000000045E6000-memory.dmp

    Filesize

    472KB

  • memory/1832-2-0x00000000051F0000-0x0000000005794000-memory.dmp

    Filesize

    5.6MB

  • memory/1832-3-0x0000000004B70000-0x0000000004C02000-memory.dmp

    Filesize

    584KB

  • memory/1832-0-0x000000007535E000-0x000000007535F000-memory.dmp

    Filesize

    4KB

  • memory/1832-4-0x0000000075350000-0x0000000075B00000-memory.dmp

    Filesize

    7.7MB

  • memory/3484-68-0x0000000008820000-0x0000000008925000-memory.dmp

    Filesize

    1.0MB

  • memory/3484-20-0x0000000008820000-0x0000000008925000-memory.dmp

    Filesize

    1.0MB

  • memory/3484-73-0x0000000008A60000-0x0000000008B91000-memory.dmp

    Filesize

    1.2MB

  • memory/4812-26-0x0000000005C60000-0x0000000005CC6000-memory.dmp

    Filesize

    408KB

  • memory/4812-55-0x0000000007620000-0x000000000763A000-memory.dmp

    Filesize

    104KB

  • memory/4812-24-0x0000000005350000-0x0000000005372000-memory.dmp

    Filesize

    136KB

  • memory/4812-32-0x0000000005D10000-0x0000000006064000-memory.dmp

    Filesize

    3.3MB

  • memory/4812-37-0x0000000006300000-0x000000000631E000-memory.dmp

    Filesize

    120KB

  • memory/4812-38-0x0000000006330000-0x000000000637C000-memory.dmp

    Filesize

    304KB

  • memory/4812-39-0x000000007F6B0000-0x000000007F6C0000-memory.dmp

    Filesize

    64KB

  • memory/4812-40-0x00000000072D0000-0x0000000007302000-memory.dmp

    Filesize

    200KB

  • memory/4812-41-0x00000000711F0000-0x000000007123C000-memory.dmp

    Filesize

    304KB

  • memory/4812-42-0x00000000029B0000-0x00000000029C0000-memory.dmp

    Filesize

    64KB

  • memory/4812-52-0x00000000068B0000-0x00000000068CE000-memory.dmp

    Filesize

    120KB

  • memory/4812-53-0x0000000007310000-0x00000000073B3000-memory.dmp

    Filesize

    652KB

  • memory/4812-54-0x0000000007C70000-0x00000000082EA000-memory.dmp

    Filesize

    6.5MB

  • memory/4812-25-0x0000000005B80000-0x0000000005BE6000-memory.dmp

    Filesize

    408KB

  • memory/4812-56-0x0000000007690000-0x000000000769A000-memory.dmp

    Filesize

    40KB

  • memory/4812-57-0x00000000078A0000-0x0000000007936000-memory.dmp

    Filesize

    600KB

  • memory/4812-58-0x0000000007820000-0x0000000007831000-memory.dmp

    Filesize

    68KB

  • memory/4812-59-0x0000000007850000-0x000000000785E000-memory.dmp

    Filesize

    56KB

  • memory/4812-60-0x0000000007860000-0x0000000007874000-memory.dmp

    Filesize

    80KB

  • memory/4812-61-0x0000000007960000-0x000000000797A000-memory.dmp

    Filesize

    104KB

  • memory/4812-62-0x0000000007940000-0x0000000007948000-memory.dmp

    Filesize

    32KB

  • memory/4812-23-0x00000000054E0000-0x0000000005B08000-memory.dmp

    Filesize

    6.2MB

  • memory/4812-16-0x0000000002A00000-0x0000000002A36000-memory.dmp

    Filesize

    216KB

  • memory/4812-19-0x00000000753DE000-0x00000000753DF000-memory.dmp

    Filesize

    4KB

  • memory/4812-21-0x00000000029B0000-0x00000000029C0000-memory.dmp

    Filesize

    64KB

  • memory/4812-22-0x00000000029B0000-0x00000000029C0000-memory.dmp

    Filesize

    64KB