Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 07:31

General

  • Target

    Asiaction__ Purchase Order_Specification.exe

  • Size

    616KB

  • MD5

    19e12707415e84553f9743a4d109ef73

  • SHA1

    96fc30b169baa93b1c45cac3de430cb52cfad229

  • SHA256

    56e0ddbe7333484dbf0251177a4fd5fa51cce0b5cd42efcc7f9c312b1818be56

  • SHA512

    5cbb44f5894e8cb139e54d9cc664ff00e3a1dde901fc9dc3017f49ae03e382bf648164526d233c869c48fdbda7c0ae2a23b4d70229de986341d1c26d5120b988

  • SSDEEP

    12288:SIKHQ8nWqI00M5PKTOd5iudnHR+vzjKQqePFLVoq3Fw:SIKH5fI0B5Pr57dnHMLqePRVoMF

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sg36

Decoy

cookfranschhoek.com

rajaslot138.today

eightfigureroundtable.com

sdklwdz.com

novaturienthealth.com

sk87k.xyz

defoutenmakers.online

eadsanuncios.com

drewkav.com

car-insurance-94416.bond

m3nm.site

6vab.site

towing-barnesville.top

authentifizierung-beginnen.com

thejmfc.com

beggiapizza.site

gttsfibermill.com

cdugood.com

dominiongeneralcontractors.com

deprepagos.com

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).

  • 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 59 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 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:3440
    • C:\Users\Admin\AppData\Local\Temp\Asiaction__ Purchase Order_Specification.exe
      "C:\Users\Admin\AppData\Local\Temp\Asiaction__ Purchase Order_Specification.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4344
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nRGThSlhfFI.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4564
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nRGThSlhfFI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E63.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:3872
      • C:\Users\Admin\AppData\Local\Temp\Asiaction__ Purchase Order_Specification.exe
        "C:\Users\Admin\AppData\Local\Temp\Asiaction__ Purchase Order_Specification.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2696
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3660
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Asiaction__ Purchase Order_Specification.exe"
        3⤵
          PID:3496

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rynuolzp.hi0.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp9E63.tmp

      Filesize

      1KB

      MD5

      b896cc8e496781520ab814edd118127e

      SHA1

      b9a0cc0767200e412121d13edd22a6aa834c79e1

      SHA256

      8dcdb5f5faec60d151e52e2ed43e3ff5739d64c1d5c2479edc8434ebd99545bb

      SHA512

      077772ca3e894761a46be2309ae3629cb0b3e2c4a499b348a653af995c3558a570d70d132ea8f0df1533d2bada40047034074ea92f85f1cd5177b8fc2cb0dc4c

    • memory/2696-21-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2696-28-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2696-29-0x00000000011B0000-0x00000000011C4000-memory.dmp

      Filesize

      80KB

    • memory/2696-26-0x0000000001250000-0x000000000159A000-memory.dmp

      Filesize

      3.3MB

    • memory/3440-82-0x0000000002760000-0x000000000282A000-memory.dmp

      Filesize

      808KB

    • memory/3440-30-0x0000000002530000-0x0000000002627000-memory.dmp

      Filesize

      988KB

    • memory/3440-80-0x0000000002530000-0x0000000002627000-memory.dmp

      Filesize

      988KB

    • memory/3660-64-0x00000000001F0000-0x0000000000623000-memory.dmp

      Filesize

      4.2MB

    • memory/3660-66-0x00000000001F0000-0x0000000000623000-memory.dmp

      Filesize

      4.2MB

    • memory/3660-77-0x0000000000DC0000-0x0000000000DEF000-memory.dmp

      Filesize

      188KB

    • memory/4344-6-0x0000000004FF0000-0x0000000005010000-memory.dmp

      Filesize

      128KB

    • memory/4344-25-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/4344-10-0x0000000010960000-0x00000000109FC000-memory.dmp

      Filesize

      624KB

    • memory/4344-9-0x0000000005EC0000-0x0000000005F2E000-memory.dmp

      Filesize

      440KB

    • memory/4344-8-0x0000000005CC0000-0x0000000005CCE000-memory.dmp

      Filesize

      56KB

    • memory/4344-7-0x0000000004C20000-0x0000000004C2A000-memory.dmp

      Filesize

      40KB

    • memory/4344-24-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/4344-19-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

      Filesize

      4KB

    • memory/4344-5-0x0000000004BD0000-0x0000000004BDA000-memory.dmp

      Filesize

      40KB

    • memory/4344-4-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/4344-3-0x0000000004B00000-0x0000000004B92000-memory.dmp

      Filesize

      584KB

    • memory/4344-2-0x0000000005010000-0x00000000055B4000-memory.dmp

      Filesize

      5.6MB

    • memory/4344-1-0x0000000000070000-0x0000000000110000-memory.dmp

      Filesize

      640KB

    • memory/4344-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

      Filesize

      4KB

    • memory/4564-38-0x0000000005340000-0x00000000053A6000-memory.dmp

      Filesize

      408KB

    • memory/4564-62-0x0000000007AC0000-0x000000000813A000-memory.dmp

      Filesize

      6.5MB

    • memory/4564-43-0x0000000005DA0000-0x00000000060F4000-memory.dmp

      Filesize

      3.3MB

    • memory/4564-32-0x0000000005220000-0x0000000005286000-memory.dmp

      Filesize

      408KB

    • memory/4564-44-0x0000000006160000-0x000000000617E000-memory.dmp

      Filesize

      120KB

    • memory/4564-45-0x0000000006180000-0x00000000061CC000-memory.dmp

      Filesize

      304KB

    • memory/4564-47-0x0000000006710000-0x0000000006742000-memory.dmp

      Filesize

      200KB

    • memory/4564-46-0x000000007F2F0000-0x000000007F300000-memory.dmp

      Filesize

      64KB

    • memory/4564-48-0x0000000072B10000-0x0000000072B5C000-memory.dmp

      Filesize

      304KB

    • memory/4564-58-0x0000000006780000-0x000000000679E000-memory.dmp

      Filesize

      120KB

    • memory/4564-60-0x0000000002980000-0x0000000002990000-memory.dmp

      Filesize

      64KB

    • memory/4564-59-0x0000000002980000-0x0000000002990000-memory.dmp

      Filesize

      64KB

    • memory/4564-61-0x0000000007340000-0x00000000073E3000-memory.dmp

      Filesize

      652KB

    • memory/4564-31-0x0000000005180000-0x00000000051A2000-memory.dmp

      Filesize

      136KB

    • memory/4564-63-0x0000000007480000-0x000000000749A000-memory.dmp

      Filesize

      104KB

    • memory/4564-22-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/4564-20-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/4564-67-0x00000000074F0000-0x00000000074FA000-memory.dmp

      Filesize

      40KB

    • memory/4564-68-0x0000000007700000-0x0000000007796000-memory.dmp

      Filesize

      600KB

    • memory/4564-69-0x0000000007680000-0x0000000007691000-memory.dmp

      Filesize

      68KB

    • memory/4564-70-0x00000000076B0000-0x00000000076BE000-memory.dmp

      Filesize

      56KB

    • memory/4564-71-0x00000000076C0000-0x00000000076D4000-memory.dmp

      Filesize

      80KB

    • memory/4564-72-0x00000000077C0000-0x00000000077DA000-memory.dmp

      Filesize

      104KB

    • memory/4564-73-0x00000000077A0000-0x00000000077A8000-memory.dmp

      Filesize

      32KB

    • memory/4564-76-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/4564-17-0x0000000074CA0000-0x0000000075450000-memory.dmp

      Filesize

      7.7MB

    • memory/4564-18-0x0000000005530000-0x0000000005B58000-memory.dmp

      Filesize

      6.2MB

    • memory/4564-15-0x0000000002840000-0x0000000002876000-memory.dmp

      Filesize

      216KB