Analysis

  • max time kernel
    150s
  • max time network
    140s
  • 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, 07:44

General

  • Target

    PurchaseOrder-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 2 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 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 6 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 61 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 WriteProcessMemory
    PID:3308
    • C:\Users\Admin\AppData\Local\Temp\PurchaseOrder-P54477890.exe
      "C:\Users\Admin\AppData\Local\Temp\PurchaseOrder-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:5064
      • 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\PurchaseOrder-P54477890.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1240
      • 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:1136
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nfERrYgNoi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD88D.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:6112
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        3⤵
          PID:4200
        • 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
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:4444
      • C:\Windows\SysWOW64\ipconfig.exe
        "C:\Windows\SysWOW64\ipconfig.exe"
        2⤵
        • 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:4376
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:5652

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      d0c46cad6c0778401e21910bd6b56b70

      SHA1

      7be418951ea96326aca445b8dfe449b2bfa0dca6

      SHA256

      9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02

      SHA512

      057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949

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

      Filesize

      18KB

      MD5

      12129b3efb3900decddd3a356535f1dc

      SHA1

      cb42f61a14f12921ea970ebd48f556bbc4a6a9c6

      SHA256

      59e18aa3ebb9e2b3f0097bd61a4989716b165731284ae7a80c88e8b71be61abf

      SHA512

      4ec4d33506cbc49a0d09dfe3d87404359e9b8d5752b6e1476ae27d0d6dfce915789e2f69165b0c863dd778672ab3eccca4ace3e41b9750119dadbde3ed41c1df

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2skbu3dh.dld.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpD88D.tmp

      Filesize

      1KB

      MD5

      206733f7ba2ab564e1998ba558bcbad8

      SHA1

      3476d02dc57b50c95de9ecf787af4f3767e72ac2

      SHA256

      d7244a7d37be8dec8cc930055eb9a96d7e45f4031ea325efba7b698348e29b3f

      SHA512

      7518747998a277e09b71a77c5da1444888c5efdeb82d2a560943a70d9559609a2f126231c829e7ca8a0fcef3d7bdcff76b97ea4cf3878d4fee7109837b1bb1e7

    • memory/1136-73-0x0000000007C50000-0x0000000007C5A000-memory.dmp

      Filesize

      40KB

    • memory/1136-50-0x0000000007A40000-0x0000000007A74000-memory.dmp

      Filesize

      208KB

    • memory/1136-77-0x0000000007E20000-0x0000000007E35000-memory.dmp

      Filesize

      84KB

    • memory/1136-76-0x0000000007E10000-0x0000000007E1E000-memory.dmp

      Filesize

      56KB

    • memory/1136-75-0x0000000007DE0000-0x0000000007DF1000-memory.dmp

      Filesize

      68KB

    • memory/1136-74-0x0000000007E60000-0x0000000007EF6000-memory.dmp

      Filesize

      600KB

    • memory/1136-45-0x0000000074270000-0x0000000074A21000-memory.dmp

      Filesize

      7.7MB

    • memory/1136-63-0x0000000007BD0000-0x0000000007BEA000-memory.dmp

      Filesize

      104KB

    • memory/1136-62-0x0000000008220000-0x000000000889A000-memory.dmp

      Filesize

      6.5MB

    • memory/1136-78-0x0000000007F20000-0x0000000007F3A000-memory.dmp

      Filesize

      104KB

    • memory/1136-61-0x0000000007AA0000-0x0000000007B44000-memory.dmp

      Filesize

      656KB

    • memory/1136-51-0x0000000074B20000-0x0000000074B6C000-memory.dmp

      Filesize

      304KB

    • memory/1136-60-0x0000000007A80000-0x0000000007A9E000-memory.dmp

      Filesize

      120KB

    • memory/1136-20-0x0000000074270000-0x0000000074A21000-memory.dmp

      Filesize

      7.7MB

    • memory/1136-24-0x0000000074270000-0x0000000074A21000-memory.dmp

      Filesize

      7.7MB

    • memory/1136-79-0x0000000007F10000-0x0000000007F18000-memory.dmp

      Filesize

      32KB

    • memory/1136-49-0x00000000068D0000-0x000000000691C000-memory.dmp

      Filesize

      304KB

    • memory/1136-48-0x0000000006880000-0x000000000689E000-memory.dmp

      Filesize

      120KB

    • memory/1136-86-0x0000000074270000-0x0000000074A21000-memory.dmp

      Filesize

      7.7MB

    • memory/1240-16-0x0000000074270000-0x0000000074A21000-memory.dmp

      Filesize

      7.7MB

    • memory/1240-22-0x0000000006450000-0x00000000064B6000-memory.dmp

      Filesize

      408KB

    • memory/1240-64-0x0000000074B20000-0x0000000074B6C000-memory.dmp

      Filesize

      304KB

    • memory/1240-34-0x0000000074270000-0x0000000074A21000-memory.dmp

      Filesize

      7.7MB

    • memory/1240-30-0x00000000064C0000-0x0000000006817000-memory.dmp

      Filesize

      3.3MB

    • memory/1240-19-0x00000000059C0000-0x00000000059E2000-memory.dmp

      Filesize

      136KB

    • memory/1240-21-0x0000000005AE0000-0x0000000005B46000-memory.dmp

      Filesize

      408KB

    • memory/1240-87-0x0000000074270000-0x0000000074A21000-memory.dmp

      Filesize

      7.7MB

    • memory/1240-18-0x0000000074270000-0x0000000074A21000-memory.dmp

      Filesize

      7.7MB

    • memory/1240-17-0x0000000005B70000-0x000000000619A000-memory.dmp

      Filesize

      6.2MB

    • memory/1240-15-0x00000000054C0000-0x00000000054F6000-memory.dmp

      Filesize

      216KB

    • memory/3308-91-0x0000000006A70000-0x0000000006BAA000-memory.dmp

      Filesize

      1.2MB

    • memory/4376-89-0x0000000000140000-0x000000000016F000-memory.dmp

      Filesize

      188KB

    • memory/4376-88-0x0000000000470000-0x000000000047B000-memory.dmp

      Filesize

      44KB

    • memory/4444-43-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/5064-10-0x0000000008920000-0x000000000899A000-memory.dmp

      Filesize

      488KB

    • memory/5064-7-0x0000000005EA0000-0x0000000005EB2000-memory.dmp

      Filesize

      72KB

    • memory/5064-6-0x0000000005C00000-0x0000000005C0A000-memory.dmp

      Filesize

      40KB

    • memory/5064-5-0x0000000074270000-0x0000000074A21000-memory.dmp

      Filesize

      7.7MB

    • memory/5064-4-0x0000000005C80000-0x0000000005D1C000-memory.dmp

      Filesize

      624KB

    • memory/5064-3-0x0000000005B40000-0x0000000005BD2000-memory.dmp

      Filesize

      584KB

    • memory/5064-2-0x0000000005FF0000-0x0000000006596000-memory.dmp

      Filesize

      5.6MB

    • memory/5064-8-0x000000007427E000-0x000000007427F000-memory.dmp

      Filesize

      4KB

    • memory/5064-1-0x0000000000FF0000-0x000000000109C000-memory.dmp

      Filesize

      688KB

    • memory/5064-9-0x0000000074270000-0x0000000074A21000-memory.dmp

      Filesize

      7.7MB

    • memory/5064-47-0x0000000074270000-0x0000000074A21000-memory.dmp

      Filesize

      7.7MB

    • memory/5064-0-0x000000007427E000-0x000000007427F000-memory.dmp

      Filesize

      4KB