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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/01/2025, 03:46

General

  • Target

    Revised documents.exe

  • Size

    741KB

  • MD5

    034884d1de2c2e61a49d403a6673118c

  • SHA1

    4106f0fe2e8504f0f71cc012ecb992b63cb0792b

  • SHA256

    6f706398207b1fd3a00de5f859dc840cf8e100175fdabe260ebb96db5980f03c

  • SHA512

    3a751cde89e771defecd23a1fda44c219df59bca611daebd8be29985071e0e5d5f15f983306afc9b468c92e2bbb96c4b6438ae23fbe896927cf47c29c72037b7

  • SSDEEP

    12288:2q7kGLFFgETr/iTTbB6xddbQT+wwOXgMSQejYO6YmDDI01jnIltQLZEK:l3rKGHbQlSQ/GmDt1jnRj

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a03d

Decoy

nfluencer-marketing-13524.bond

cebepu.info

lphatechblog.xyz

haoyun.website

itiz.xyz

orld-visa-center.online

si.art

alata.xyz

mmarketing.xyz

elnqdjc.shop

ensentoto.cloud

voyagu.info

onvert.today

1fuli9902.shop

otelhafnia.info

rumpchiefofstaff.store

urvivalflashlights.shop

0090.pizza

ings-hu-13.today

oliticalpatriot.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.

  • 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).

  • 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.

  • 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 64 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3492
    • C:\Users\Admin\AppData\Local\Temp\Revised documents.exe
      "C:\Users\Admin\AppData\Local\Temp\Revised documents.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:384
      • 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\Revised documents.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4624
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fmIowyKo.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3700
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fmIowyKo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD09E.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:440
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:2300
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
            PID:3280
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
            3⤵
              PID:532
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
              3⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              PID:1332
          • C:\Windows\SysWOW64\autofmt.exe
            "C:\Windows\SysWOW64\autofmt.exe"
            2⤵
              PID:3740
            • C:\Windows\SysWOW64\autoconv.exe
              "C:\Windows\SysWOW64\autoconv.exe"
              2⤵
                PID:3628
              • C:\Windows\SysWOW64\cscript.exe
                "C:\Windows\SysWOW64\cscript.exe"
                2⤵
                • 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:1744
                • C:\Windows\SysWOW64\cmd.exe
                  /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
                  3⤵
                  • System Location Discovery: System Language Discovery
                  PID:4128

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              2KB

              MD5

              3d086a433708053f9bf9523e1d87a4e8

              SHA1

              b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

              SHA256

              6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

              SHA512

              931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

              Filesize

              18KB

              MD5

              72440b0ec77b35ac40b3eeea52f481aa

              SHA1

              08782c177ced0aa063b853410a5d1d6128646440

              SHA256

              6ab9618ac8ea35af85417a15de52ede79567f20b0c808438090539a6a1e4d3b0

              SHA512

              cf87400245d5a509ca84509c2d16603fbf4c64ca97c223ad565b0bd58d466964dc8389e6dbbda30d5b05824484ebbc84a61587a3d8372d627ab41d9ed8d403e2

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_22h5ilxc.kzj.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            • C:\Users\Admin\AppData\Local\Temp\tmpD09E.tmp

              Filesize

              1KB

              MD5

              be7b7c75dc8a5e48903c9a33b6444970

              SHA1

              c007f101704e9f4251c4353a2c6f3fb540f62a76

              SHA256

              10002be134cae298564b26211b057a5f04f8b3c52cd705c6f7659ee933afa2ca

              SHA512

              8807c0bfd6c7e5f0f1b95e276ce231ed7057443dd60d627a7c1a48c40de1f261b7a5f247ff3eb8ba3cdb2e000f4c22237b301d95f0d270d8611a42b39fb25637

            • memory/384-11-0x00000000046E0000-0x0000000004758000-memory.dmp

              Filesize

              480KB

            • memory/384-48-0x0000000075080000-0x0000000075830000-memory.dmp

              Filesize

              7.7MB

            • memory/384-6-0x0000000005160000-0x000000000516A000-memory.dmp

              Filesize

              40KB

            • memory/384-7-0x0000000006A80000-0x0000000006B32000-memory.dmp

              Filesize

              712KB

            • memory/384-8-0x0000000005970000-0x000000000598E000-memory.dmp

              Filesize

              120KB

            • memory/384-9-0x000000007508E000-0x000000007508F000-memory.dmp

              Filesize

              4KB

            • memory/384-10-0x0000000075080000-0x0000000075830000-memory.dmp

              Filesize

              7.7MB

            • memory/384-0-0x000000007508E000-0x000000007508F000-memory.dmp

              Filesize

              4KB

            • memory/384-12-0x000000000D920000-0x000000000D9BC000-memory.dmp

              Filesize

              624KB

            • memory/384-5-0x0000000075080000-0x0000000075830000-memory.dmp

              Filesize

              7.7MB

            • memory/384-3-0x0000000004D20000-0x0000000004DB2000-memory.dmp

              Filesize

              584KB

            • memory/384-4-0x0000000004DC0000-0x0000000005114000-memory.dmp

              Filesize

              3.3MB

            • memory/384-2-0x0000000005230000-0x00000000057D4000-memory.dmp

              Filesize

              5.6MB

            • memory/384-1-0x0000000000280000-0x000000000033E000-memory.dmp

              Filesize

              760KB

            • memory/1332-44-0x0000000000400000-0x000000000042F000-memory.dmp

              Filesize

              188KB

            • memory/1744-88-0x0000000000070000-0x0000000000097000-memory.dmp

              Filesize

              156KB

            • memory/1744-89-0x0000000000940000-0x000000000096F000-memory.dmp

              Filesize

              188KB

            • memory/3492-93-0x0000000008330000-0x000000000841D000-memory.dmp

              Filesize

              948KB

            • memory/3700-81-0x0000000007880000-0x0000000007888000-memory.dmp

              Filesize

              32KB

            • memory/3700-62-0x000000006FEF0000-0x000000006FF3C000-memory.dmp

              Filesize

              304KB

            • memory/3700-77-0x0000000007760000-0x0000000007771000-memory.dmp

              Filesize

              68KB

            • memory/3700-76-0x00000000077E0000-0x0000000007876000-memory.dmp

              Filesize

              600KB

            • memory/3700-75-0x00000000075D0000-0x00000000075DA000-memory.dmp

              Filesize

              40KB

            • memory/4624-19-0x0000000005930000-0x0000000005F58000-memory.dmp

              Filesize

              6.2MB

            • memory/4624-51-0x000000006FEF0000-0x000000006FF3C000-memory.dmp

              Filesize

              304KB

            • memory/4624-61-0x0000000006BA0000-0x0000000006BBE000-memory.dmp

              Filesize

              120KB

            • memory/4624-50-0x0000000007640000-0x0000000007672000-memory.dmp

              Filesize

              200KB

            • memory/4624-68-0x0000000007680000-0x0000000007723000-memory.dmp

              Filesize

              652KB

            • memory/4624-74-0x00000000079A0000-0x00000000079BA000-memory.dmp

              Filesize

              104KB

            • memory/4624-73-0x0000000007FE0000-0x000000000865A000-memory.dmp

              Filesize

              6.5MB

            • memory/4624-33-0x0000000075080000-0x0000000075830000-memory.dmp

              Filesize

              7.7MB

            • memory/4624-46-0x0000000006680000-0x000000000669E000-memory.dmp

              Filesize

              120KB

            • memory/4624-47-0x0000000006C60000-0x0000000006CAC000-memory.dmp

              Filesize

              304KB

            • memory/4624-78-0x0000000007BD0000-0x0000000007BDE000-memory.dmp

              Filesize

              56KB

            • memory/4624-79-0x0000000007BE0000-0x0000000007BF4000-memory.dmp

              Filesize

              80KB

            • memory/4624-80-0x0000000007CE0000-0x0000000007CFA000-memory.dmp

              Filesize

              104KB

            • memory/4624-20-0x00000000055C0000-0x00000000055E2000-memory.dmp

              Filesize

              136KB

            • memory/4624-21-0x0000000005860000-0x00000000058C6000-memory.dmp

              Filesize

              408KB

            • memory/4624-23-0x0000000075080000-0x0000000075830000-memory.dmp

              Filesize

              7.7MB

            • memory/4624-87-0x0000000075080000-0x0000000075830000-memory.dmp

              Filesize

              7.7MB

            • memory/4624-22-0x0000000005F60000-0x0000000005FC6000-memory.dmp

              Filesize

              408KB

            • memory/4624-18-0x0000000075080000-0x0000000075830000-memory.dmp

              Filesize

              7.7MB

            • memory/4624-17-0x0000000002D80000-0x0000000002DB6000-memory.dmp

              Filesize

              216KB