Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 07:33

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 UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3552
    • 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:1476
      • 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:1960
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nRGThSlhfFI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7280.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:4212
      • 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:3876
    • 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:3680
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Asiaction__ Purchase Order_Specification.exe"
        3⤵
          PID:2276

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_j0yt5s0g.ji0.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp7280.tmp

      Filesize

      1KB

      MD5

      ad3fdf3e46be0a94e6347cf79a937818

      SHA1

      6dfd25d5ed48736ff5d33baa3df1d7aed085bcd4

      SHA256

      17a7138a327b1fc2025cf0abb3dc5903587ae8975aa9b707fa43ac9700c89d2e

      SHA512

      2146e1af4f630959db7dc6589daf63820056e790a5a4215ac417342423c9c154cfe336185f08ba54567538c29e989edcabdf4dc5aa39ebe20fcccd981900f7b5

    • memory/1476-5-0x00000000747B0000-0x0000000074F60000-memory.dmp

      Filesize

      7.7MB

    • memory/1476-9-0x0000000008460000-0x00000000084CE000-memory.dmp

      Filesize

      440KB

    • memory/1476-23-0x00000000747B0000-0x0000000074F60000-memory.dmp

      Filesize

      7.7MB

    • memory/1476-4-0x0000000005C30000-0x0000000005C3A000-memory.dmp

      Filesize

      40KB

    • memory/1476-6-0x0000000008610000-0x0000000008630000-memory.dmp

      Filesize

      128KB

    • memory/1476-7-0x0000000007090000-0x000000000709A000-memory.dmp

      Filesize

      40KB

    • memory/1476-8-0x0000000006D90000-0x0000000006D9E000-memory.dmp

      Filesize

      56KB

    • memory/1476-3-0x0000000005990000-0x0000000005A22000-memory.dmp

      Filesize

      584KB

    • memory/1476-10-0x0000000011750000-0x00000000117EC000-memory.dmp

      Filesize

      624KB

    • memory/1476-0-0x00000000747BE000-0x00000000747BF000-memory.dmp

      Filesize

      4KB

    • memory/1476-2-0x0000000005EA0000-0x0000000006444000-memory.dmp

      Filesize

      5.6MB

    • memory/1476-1-0x0000000000EC0000-0x0000000000F60000-memory.dmp

      Filesize

      640KB

    • memory/1476-19-0x00000000747BE000-0x00000000747BF000-memory.dmp

      Filesize

      4KB

    • memory/1476-24-0x00000000747B0000-0x0000000074F60000-memory.dmp

      Filesize

      7.7MB

    • memory/1960-62-0x00000000075C0000-0x00000000075CA000-memory.dmp

      Filesize

      40KB

    • memory/1960-64-0x0000000007750000-0x0000000007761000-memory.dmp

      Filesize

      68KB

    • memory/1960-21-0x00000000747B0000-0x0000000074F60000-memory.dmp

      Filesize

      7.7MB

    • memory/1960-18-0x0000000005540000-0x0000000005B68000-memory.dmp

      Filesize

      6.2MB

    • memory/1960-25-0x0000000005240000-0x0000000005262000-memory.dmp

      Filesize

      136KB

    • memory/1960-27-0x0000000005450000-0x00000000054B6000-memory.dmp

      Filesize

      408KB

    • memory/1960-26-0x00000000053E0000-0x0000000005446000-memory.dmp

      Filesize

      408KB

    • memory/1960-71-0x00000000747B0000-0x0000000074F60000-memory.dmp

      Filesize

      7.7MB

    • memory/1960-17-0x00000000747B0000-0x0000000074F60000-memory.dmp

      Filesize

      7.7MB

    • memory/1960-65-0x0000000007780000-0x000000000778E000-memory.dmp

      Filesize

      56KB

    • memory/1960-37-0x0000000005C40000-0x0000000005F94000-memory.dmp

      Filesize

      3.3MB

    • memory/1960-68-0x0000000007870000-0x0000000007878000-memory.dmp

      Filesize

      32KB

    • memory/1960-67-0x0000000007890000-0x00000000078AA000-memory.dmp

      Filesize

      104KB

    • memory/1960-43-0x0000000006210000-0x000000000622E000-memory.dmp

      Filesize

      120KB

    • memory/1960-44-0x00000000062A0000-0x00000000062EC000-memory.dmp

      Filesize

      304KB

    • memory/1960-59-0x00000000074A0000-0x0000000007543000-memory.dmp

      Filesize

      652KB

    • memory/1960-58-0x0000000004F00000-0x0000000004F10000-memory.dmp

      Filesize

      64KB

    • memory/1960-57-0x00000000067F0000-0x000000000680E000-memory.dmp

      Filesize

      120KB

    • memory/1960-47-0x0000000072620000-0x000000007266C000-memory.dmp

      Filesize

      304KB

    • memory/1960-46-0x0000000006810000-0x0000000006842000-memory.dmp

      Filesize

      200KB

    • memory/1960-45-0x000000007FC40000-0x000000007FC50000-memory.dmp

      Filesize

      64KB

    • memory/1960-61-0x0000000007550000-0x000000000756A000-memory.dmp

      Filesize

      104KB

    • memory/1960-60-0x0000000007BD0000-0x000000000824A000-memory.dmp

      Filesize

      6.5MB

    • memory/1960-15-0x0000000002900000-0x0000000002936000-memory.dmp

      Filesize

      216KB

    • memory/1960-63-0x00000000077D0000-0x0000000007866000-memory.dmp

      Filesize

      600KB

    • memory/1960-66-0x0000000007790000-0x00000000077A4000-memory.dmp

      Filesize

      80KB

    • memory/3552-42-0x0000000009210000-0x00000000093BD000-memory.dmp

      Filesize

      1.7MB

    • memory/3552-77-0x0000000009210000-0x00000000093BD000-memory.dmp

      Filesize

      1.7MB

    • memory/3552-79-0x00000000034B0000-0x0000000003563000-memory.dmp

      Filesize

      716KB

    • memory/3680-72-0x0000000000580000-0x00000000009B3000-memory.dmp

      Filesize

      4.2MB

    • memory/3680-73-0x0000000000580000-0x00000000009B3000-memory.dmp

      Filesize

      4.2MB

    • memory/3680-74-0x00000000010F0000-0x000000000111F000-memory.dmp

      Filesize

      188KB

    • memory/3876-20-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/3876-30-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/3876-31-0x0000000001000000-0x0000000001014000-memory.dmp

      Filesize

      80KB

    • memory/3876-28-0x00000000011A0000-0x00000000014EA000-memory.dmp

      Filesize

      3.3MB