Analysis

  • max time kernel
    152s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 13:25

General

  • Target

    eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb.exe

  • Size

    573KB

  • MD5

    90d93d073d92e1cd47f4d792f430bbbc

  • SHA1

    3e4fe2f29722803551c31fe38aa04d97ec9150e7

  • SHA256

    eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb

  • SHA512

    bd1daa7f963319f40e59c27870737f43e61e087c20cc0c3605a23910eb3a3a1aa27384f2c041d2a12bb1aed35adaabad6f7b797fbdd61acd5dde181046441481

  • SSDEEP

    12288:rccadOGEW1ivxTRRSXyXQjDYq7C+5bLTTrBGZKGYC1DrJh6xjfHBB778Q6:IWGEW16TRRSKcAGbzrB4SC1DrJ0ZJB

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

fs83

Decoy

blastol.space

tomwalkerisfalco.com

us-sumatrraslimbellytonic.com

drywallandpaintingservice.com

vntapp.net

passportpages.site

at-mim.com

yeondagoods.com

teomanyildirim.com

paygame.site

senze.art

alhandco.com

9831bsej.xyz

traumatic.xyz

sos-soutien.com

thetechnolgy.live

washing-machine-46612.bond

marvsneakers.com

shequbaike.net

xc4f35fg4h35fg4h53.top

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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3372
    • C:\Users\Admin\AppData\Local\Temp\eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb.exe
      "C:\Users\Admin\AppData\Local\Temp\eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3844
      • 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\eec2040b640e5b1806119e1a428d54c4dab8fe87e2afe89570d158968122e4bb.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3080
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:4732
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
            PID:2040
          • 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:2212
        • C:\Windows\SysWOW64\autochk.exe
          "C:\Windows\SysWOW64\autochk.exe"
          2⤵
            PID:5112
          • C:\Windows\SysWOW64\wlanext.exe
            "C:\Windows\SysWOW64\wlanext.exe"
            2⤵
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1168
            • C:\Windows\SysWOW64\cmd.exe
              /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
              3⤵
                PID:3748
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3536 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:1660

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1kohk0dj.3cx.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            • memory/1168-54-0x0000000001000000-0x000000000102F000-memory.dmp

              Filesize

              188KB

            • memory/1168-39-0x0000000000200000-0x0000000000217000-memory.dmp

              Filesize

              92KB

            • memory/1168-41-0x0000000000200000-0x0000000000217000-memory.dmp

              Filesize

              92KB

            • memory/2212-11-0x0000000000400000-0x000000000042F000-memory.dmp

              Filesize

              188KB

            • memory/2212-22-0x0000000001310000-0x0000000001324000-memory.dmp

              Filesize

              80KB

            • memory/2212-21-0x0000000000400000-0x000000000042F000-memory.dmp

              Filesize

              188KB

            • memory/2212-19-0x0000000001500000-0x000000000184A000-memory.dmp

              Filesize

              3.3MB

            • memory/3080-25-0x0000000005310000-0x0000000005376000-memory.dmp

              Filesize

              408KB

            • memory/3080-62-0x0000000007710000-0x000000000771E000-memory.dmp

              Filesize

              56KB

            • memory/3080-56-0x00000000071A0000-0x0000000007243000-memory.dmp

              Filesize

              652KB

            • memory/3080-55-0x0000000006760000-0x000000000677E000-memory.dmp

              Filesize

              120KB

            • memory/3080-69-0x0000000075120000-0x00000000758D0000-memory.dmp

              Filesize

              7.7MB

            • memory/3080-14-0x000000007512E000-0x000000007512F000-memory.dmp

              Filesize

              4KB

            • memory/3080-15-0x0000000002800000-0x0000000002836000-memory.dmp

              Filesize

              216KB

            • memory/3080-66-0x0000000007800000-0x0000000007808000-memory.dmp

              Filesize

              32KB

            • memory/3080-17-0x0000000075120000-0x00000000758D0000-memory.dmp

              Filesize

              7.7MB

            • memory/3080-18-0x0000000005390000-0x00000000059B8000-memory.dmp

              Filesize

              6.2MB

            • memory/3080-65-0x0000000007810000-0x000000000782A000-memory.dmp

              Filesize

              104KB

            • memory/3080-64-0x000000007512E000-0x000000007512F000-memory.dmp

              Filesize

              4KB

            • memory/3080-63-0x0000000007720000-0x0000000007734000-memory.dmp

              Filesize

              80KB

            • memory/3080-58-0x00000000074C0000-0x00000000074DA000-memory.dmp

              Filesize

              104KB

            • memory/3080-24-0x0000000005170000-0x0000000005192000-memory.dmp

              Filesize

              136KB

            • memory/3080-57-0x0000000007B10000-0x000000000818A000-memory.dmp

              Filesize

              6.5MB

            • memory/3080-26-0x0000000005AC0000-0x0000000005B26000-memory.dmp

              Filesize

              408KB

            • memory/3080-61-0x00000000076C0000-0x00000000076D1000-memory.dmp

              Filesize

              68KB

            • memory/3080-33-0x0000000005B30000-0x0000000005E84000-memory.dmp

              Filesize

              3.3MB

            • memory/3080-37-0x00000000061C0000-0x00000000061DE000-memory.dmp

              Filesize

              120KB

            • memory/3080-38-0x00000000061E0000-0x000000000622C000-memory.dmp

              Filesize

              304KB

            • memory/3080-60-0x0000000007740000-0x00000000077D6000-memory.dmp

              Filesize

              600KB

            • memory/3080-59-0x0000000007530000-0x000000000753A000-memory.dmp

              Filesize

              40KB

            • memory/3080-42-0x0000000002940000-0x0000000002950000-memory.dmp

              Filesize

              64KB

            • memory/3080-44-0x00000000719E0000-0x0000000071A2C000-memory.dmp

              Filesize

              304KB

            • memory/3080-43-0x0000000006780000-0x00000000067B2000-memory.dmp

              Filesize

              200KB

            • memory/3372-23-0x0000000002A30000-0x0000000002AFC000-memory.dmp

              Filesize

              816KB

            • memory/3372-72-0x0000000002A30000-0x0000000002AFC000-memory.dmp

              Filesize

              816KB

            • memory/3372-75-0x0000000002B40000-0x0000000002BDD000-memory.dmp

              Filesize

              628KB

            • memory/3844-6-0x0000000004F20000-0x0000000004F38000-memory.dmp

              Filesize

              96KB

            • memory/3844-1-0x00000000000F0000-0x0000000000186000-memory.dmp

              Filesize

              600KB

            • memory/3844-2-0x0000000005190000-0x0000000005734000-memory.dmp

              Filesize

              5.6MB

            • memory/3844-3-0x0000000004BE0000-0x0000000004C72000-memory.dmp

              Filesize

              584KB

            • memory/3844-4-0x0000000075120000-0x00000000758D0000-memory.dmp

              Filesize

              7.7MB

            • memory/3844-0-0x000000007512E000-0x000000007512F000-memory.dmp

              Filesize

              4KB

            • memory/3844-5-0x0000000004B90000-0x0000000004B9A000-memory.dmp

              Filesize

              40KB

            • memory/3844-9-0x0000000006560000-0x00000000065D6000-memory.dmp

              Filesize

              472KB

            • memory/3844-7-0x0000000004F50000-0x0000000004F5E000-memory.dmp

              Filesize

              56KB

            • memory/3844-16-0x0000000075120000-0x00000000758D0000-memory.dmp

              Filesize

              7.7MB

            • memory/3844-12-0x000000007512E000-0x000000007512F000-memory.dmp

              Filesize

              4KB

            • memory/3844-8-0x0000000005180000-0x0000000005196000-memory.dmp

              Filesize

              88KB

            • memory/3844-10-0x0000000008D10000-0x0000000008DAC000-memory.dmp

              Filesize

              624KB