Analysis

  • max time kernel
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    18/05/2026, 15:45

General

  • Target
    0e9815093b48958e642ad4bf4806a0fbb84cd1350e7d67d9c60aaa0c145e6302.exe
  • Size 997KB
  • Sample260518-s7g1haft21
  • SHA256 0e9815093b48958e642ad4bf4806a0fbb84cd1350e7d67d9c60aaa0c145e6302
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Formbook

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

  • Formbook payload 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e9815093b48958e642ad4bf4806a0fbb84cd1350e7d67d9c60aaa0c145e6302.exe
    "C:\Users\Admin\AppData\Local\Temp\0e9815093b48958e642ad4bf4806a0fbb84cd1350e7d67d9c60aaa0c145e6302.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5396
    • 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\0e9815093b48958e642ad4bf4806a0fbb84cd1350e7d67d9c60aaa0c145e6302.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4920
    • C:\Users\Admin\AppData\Local\Temp\0e9815093b48958e642ad4bf4806a0fbb84cd1350e7d67d9c60aaa0c145e6302.exe
      "C:\Users\Admin\AppData\Local\Temp\0e9815093b48958e642ad4bf4806a0fbb84cd1350e7d67d9c60aaa0c145e6302.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2656
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 204
        3⤵
        • Program crash
        PID:4512
  • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\3ngtxwtnzke.ps1"
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4016
    • C:\Users\Admin\AppData\Roaming\IuOIhVFBEoNfs.exe
      "C:\Users\Admin\AppData\Roaming\IuOIhVFBEoNfs.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4368
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IuOIhVFBEoNfs.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5268
      • C:\Users\Admin\AppData\Roaming\IuOIhVFBEoNfs.exe
        "C:\Users\Admin\AppData\Roaming\IuOIhVFBEoNfs.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:4856
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2656 -ip 2656
    1⤵
      PID:4616

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 6fcb9f8a0b021a93f0fc829732fe0fde630cf30f155a6fe6ee15f197b79726e5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          3ngtxwtnzke.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\3ngtxwtnzke.ps1
          • Size 1KB
          • SHA256 a13a9291401616226ae8373c2530f3aade8f9d9c269070c572a8ca3d38ca78e3
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_2sxiqlqf.md4.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2sxiqlqf.md4.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          IuOIhVFBEoNfs.exe

          • Path C:\Users\Admin\AppData\Roaming\IuOIhVFBEoNfs.exe
          • Size 997KB
          • SHA256 0e9815093b48958e642ad4bf4806a0fbb84cd1350e7d67d9c60aaa0c145e6302
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2656-41-0x0000000000CD0000-0x0000000000D16000-memory.dmp

          memory/2656-32-0x0000000001270000-0x00000000015C6000-memory.dmp

          memory/2656-29-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/2656-31-0x0000000000CD0000-0x0000000000D16000-memory.dmp

          memory/4016-33-0x0000019C94520000-0x0000019C94542000-memory.dmp

          memory/4920-11-0x00000000053C0000-0x00000000053D0000-memory.dmp

          memory/4920-51-0x0000000007600000-0x00000000076A4000-memory.dmp

          memory/4920-12-0x0000000005A00000-0x000000000602A000-memory.dmp

          memory/4920-13-0x0000000005740000-0x0000000005762000-memory.dmp

          memory/4920-14-0x00000000058E0000-0x0000000005946000-memory.dmp

          memory/4920-15-0x00000000060E0000-0x0000000006146000-memory.dmp

          memory/4920-10-0x0000000002DE0000-0x0000000002E16000-memory.dmp

          memory/4920-22-0x0000000006150000-0x00000000064A7000-memory.dmp

          memory/4920-23-0x00000000065E0000-0x00000000065FE000-memory.dmp

          memory/4920-24-0x0000000006630000-0x000000000667C000-memory.dmp

          memory/4920-9-0x00000000053C0000-0x00000000053D0000-memory.dmp

          memory/4920-64-0x0000000007C70000-0x0000000007C78000-memory.dmp

          memory/4920-63-0x0000000007C80000-0x0000000007C9A000-memory.dmp

          memory/4920-62-0x0000000007B80000-0x0000000007B95000-memory.dmp

          memory/4920-61-0x0000000007B70000-0x0000000007B7E000-memory.dmp

          memory/4920-60-0x0000000007B40000-0x0000000007B51000-memory.dmp

          memory/4920-42-0x00000000075C0000-0x00000000075F4000-memory.dmp

          memory/4920-50-0x0000000006BD0000-0x0000000006BEE000-memory.dmp

          memory/4920-43-0x000000006F090000-0x000000006F0DC000-memory.dmp

          memory/4920-59-0x0000000007BC0000-0x0000000007C56000-memory.dmp

          memory/4920-58-0x00000000079B0000-0x00000000079BA000-memory.dmp

          memory/4920-57-0x0000000007930000-0x000000000794A000-memory.dmp

          memory/4920-56-0x0000000007F80000-0x00000000085FA000-memory.dmp

          memory/5268-69-0x00000000062A0000-0x00000000065F7000-memory.dmp

          memory/5268-86-0x0000000007DF0000-0x0000000007E05000-memory.dmp

          memory/5268-85-0x0000000007DB0000-0x0000000007DC1000-memory.dmp

          memory/5268-84-0x0000000007AC0000-0x0000000007B64000-memory.dmp

          memory/5268-77-0x000000006F090000-0x000000006F0DC000-memory.dmp

          memory/5396-5-0x0000000006A00000-0x0000000006A18000-memory.dmp

          memory/5396-8-0x0000000007100000-0x000000000719C000-memory.dmp

          memory/5396-2-0x0000000004D50000-0x0000000004DE2000-memory.dmp

          memory/5396-1-0x0000000005210000-0x00000000057B6000-memory.dmp

          memory/5396-7-0x0000000006F80000-0x0000000007060000-memory.dmp

          memory/5396-6-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

          memory/5396-3-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

          memory/5396-4-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

          memory/5396-0-0x00000000001B0000-0x00000000002B0000-memory.dmp