Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250410-en
  • resource tags

    arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17/04/2025, 07:39

General

  • Target

    Purchase Order-P54477890.exe

  • Size

    680KB

  • MD5

    5ac076044272cb7878a22d6f5581fc4c

  • SHA1

    9055ab9dca9fa390733c23a4de4ec9f15f59aaa5

  • SHA256

    a90bca8c1f6a63cc34a896eb3883428fab6fb6b4aca385ac917fdafcdbf9e774

  • SHA512

    009c77bfa2650940dbeacdc64093b7b9fbff633cfbb96f823a6a314fdd01e52a2d7633d071d10990c6f164edd5942dc6a252e7679d19c02369ddd04b60c4efd6

  • SSDEEP

    12288:o1LM2iN0f2ThrfmT3cNfQhATUQXbFZmS0im4B2ngkR:p1WfKhreTZAYOPjQH

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bi14

Decoy

ilansocials.online

rishticodiegfortyseven.online

ostase-ba.cfd

cinema.tech

omprasyacol.store

esir.shop

umhyal3gvbpl.xyz

lurv.wtf

aospin-sms.xyz

itness-apps-workout1.sbs

reshcarluxury.shop

3xq3.cyou

erraceheatpassion.lifestyle

octurasys.net

ilyrug.net

yj889.xyz

railertof.net

4270766.xyz

sduoduo11.sbs

oeboom.net

Signatures

  • Formbook

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

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

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

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 63 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    PID:3256
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order-P54477890.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order-P54477890.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5164
      • 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\Purchase Order-P54477890.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2640
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nfERrYgNoi.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3948
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nfERrYgNoi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBF0A.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4356
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        3⤵
          PID:416
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
          3⤵
          • 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:1396
          • C:\Windows\SysWOW64\NETSTAT.EXE
            "C:\Windows\SysWOW64\NETSTAT.EXE"
            4⤵
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Gathers network information
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4588
            • C:\Windows\SysWOW64\cmd.exe
              /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3692

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      b6230301766274a8407162e7b9887802

      SHA1

      1d54776c17044b283add6cae5c8cb552c43463c5

      SHA256

      07b242934e649fa6f5f22561610ff862920b7c2b28cac5e06f416f4e4a965382

      SHA512

      50aff666f84e53925cfdd90440c18050ea5172ccee6df7e101baab36ab2ffce5150585a95d8fae91413a89838cfecb5baa608d9ad5b86cdafcb12e4a6a9a46db

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h22pn5rn.qtb.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpBF0A.tmp

      Filesize

      1KB

      MD5

      206733f7ba2ab564e1998ba558bcbad8

      SHA1

      3476d02dc57b50c95de9ecf787af4f3767e72ac2

      SHA256

      d7244a7d37be8dec8cc930055eb9a96d7e45f4031ea325efba7b698348e29b3f

      SHA512

      7518747998a277e09b71a77c5da1444888c5efdeb82d2a560943a70d9559609a2f126231c829e7ca8a0fcef3d7bdcff76b97ea4cf3878d4fee7109837b1bb1e7

    • memory/1396-86-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1396-43-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2640-71-0x0000000007780000-0x0000000007DFA000-memory.dmp

      Filesize

      6.5MB

    • memory/2640-76-0x0000000007380000-0x000000000738E000-memory.dmp

      Filesize

      56KB

    • memory/2640-84-0x0000000074E80000-0x0000000075631000-memory.dmp

      Filesize

      7.7MB

    • memory/2640-79-0x0000000007480000-0x0000000007488000-memory.dmp

      Filesize

      32KB

    • memory/2640-78-0x0000000007490000-0x00000000074AA000-memory.dmp

      Filesize

      104KB

    • memory/2640-77-0x0000000007390000-0x00000000073A5000-memory.dmp

      Filesize

      84KB

    • memory/2640-15-0x0000000004970000-0x00000000049A6000-memory.dmp

      Filesize

      216KB

    • memory/2640-18-0x0000000074E80000-0x0000000075631000-memory.dmp

      Filesize

      7.7MB

    • memory/2640-17-0x0000000004FF0000-0x000000000561A000-memory.dmp

      Filesize

      6.2MB

    • memory/2640-16-0x0000000074E80000-0x0000000075631000-memory.dmp

      Filesize

      7.7MB

    • memory/2640-48-0x0000000005DF0000-0x0000000005E0E000-memory.dmp

      Filesize

      120KB

    • memory/2640-21-0x00000000057D0000-0x0000000005836000-memory.dmp

      Filesize

      408KB

    • memory/2640-20-0x0000000004F50000-0x0000000004F72000-memory.dmp

      Filesize

      136KB

    • memory/2640-50-0x00000000063E0000-0x0000000006414000-memory.dmp

      Filesize

      208KB

    • memory/2640-22-0x00000000058F0000-0x0000000005956000-memory.dmp

      Filesize

      408KB

    • memory/2640-49-0x0000000005E20000-0x0000000005E6C000-memory.dmp

      Filesize

      304KB

    • memory/2640-34-0x0000000074E80000-0x0000000075631000-memory.dmp

      Filesize

      7.7MB

    • memory/2640-75-0x0000000007350000-0x0000000007361000-memory.dmp

      Filesize

      68KB

    • memory/2640-73-0x00000000071C0000-0x00000000071CA000-memory.dmp

      Filesize

      40KB

    • memory/2640-72-0x0000000007140000-0x000000000715A000-memory.dmp

      Filesize

      104KB

    • memory/2640-51-0x0000000075730000-0x000000007577C000-memory.dmp

      Filesize

      304KB

    • memory/2640-60-0x0000000006FD0000-0x0000000006FEE000-memory.dmp

      Filesize

      120KB

    • memory/2640-61-0x0000000007000000-0x00000000070A4000-memory.dmp

      Filesize

      656KB

    • memory/3256-90-0x0000000006F10000-0x0000000007083000-memory.dmp

      Filesize

      1.4MB

    • memory/3948-74-0x0000000007640000-0x00000000076D6000-memory.dmp

      Filesize

      600KB

    • memory/3948-45-0x0000000074E80000-0x0000000075631000-memory.dmp

      Filesize

      7.7MB

    • memory/3948-62-0x0000000075730000-0x000000007577C000-memory.dmp

      Filesize

      304KB

    • memory/3948-19-0x0000000074E80000-0x0000000075631000-memory.dmp

      Filesize

      7.7MB

    • memory/3948-35-0x0000000005B50000-0x0000000005EA7000-memory.dmp

      Filesize

      3.3MB

    • memory/3948-85-0x0000000074E80000-0x0000000075631000-memory.dmp

      Filesize

      7.7MB

    • memory/3948-42-0x0000000074E80000-0x0000000075631000-memory.dmp

      Filesize

      7.7MB

    • memory/4588-88-0x0000000000DC0000-0x0000000000DEF000-memory.dmp

      Filesize

      188KB

    • memory/4588-87-0x0000000000AD0000-0x0000000000ADB000-memory.dmp

      Filesize

      44KB

    • memory/5164-3-0x00000000054E0000-0x0000000005572000-memory.dmp

      Filesize

      584KB

    • memory/5164-4-0x0000000005630000-0x00000000056CC000-memory.dmp

      Filesize

      624KB

    • memory/5164-10-0x00000000067C0000-0x000000000683A000-memory.dmp

      Filesize

      488KB

    • memory/5164-9-0x0000000074E80000-0x0000000075631000-memory.dmp

      Filesize

      7.7MB

    • memory/5164-8-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

      Filesize

      4KB

    • memory/5164-2-0x00000000059F0000-0x0000000005F96000-memory.dmp

      Filesize

      5.6MB

    • memory/5164-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

      Filesize

      4KB

    • memory/5164-7-0x0000000005840000-0x0000000005852000-memory.dmp

      Filesize

      72KB

    • memory/5164-1-0x0000000000990000-0x0000000000A3C000-memory.dmp

      Filesize

      688KB

    • memory/5164-46-0x0000000074E80000-0x0000000075631000-memory.dmp

      Filesize

      7.7MB

    • memory/5164-5-0x0000000074E80000-0x0000000075631000-memory.dmp

      Filesize

      7.7MB

    • memory/5164-6-0x0000000005590000-0x000000000559A000-memory.dmp

      Filesize

      40KB