Overview

overview

10

Static

static

3

Untitled_J...df.exe

windows7-x64

10

Untitled_J...df.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    124s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/07/2024, 14:27

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General

  • Target
    Untitled_June_06_25_2024_export.pdf.exe
  • Size 801KB
  • Sample240705-rsdh4asdrd
  • SHA256 a909bef708a47ae428fedbc566132c56f15ae7511dc460cf22055ec1a72d485a
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
metastealerdiscoveryexecutionspywarestealer

Malware Config

Extracted

Family

  • metastealer

C2

  • kiyaqoimsiieeyqa.xyz

  • ssqsmisuowqcwsqo.xyz

  • ykqmwgsuummieaug.xyz

  • ewukeskgqswqesiw.xyz

  • cscqcsgewmwwaaui.xyz

  • cyoksykiamiscyia.xyz

  • okgomokemoucqeso.xyz

  • ikwacuakiqeimwua.xyz

  • aawcsqqaywckiwmi.xyz

  • aiqasksgmyeqocei.xyz

  • qgumcuisgaeyuqqe.xyz

  • eiesoycamyqqgcea.xyz

  • ywceswakicsqomqw.xyz

  • auaieuewouawygku.xyz

  • cmiascusccywowcs.xyz

  • uiqkkomkaceqacec.xyz

  • quqeciymqmkqccqw.xyz

  • ssqsauuuyyigouou.xyz

  • aogaakukuugqswcy.xyz

  • ucgwcwsuqsuwewgc.xyz

Attributes
  • dga_seed

    21845

  • domain_length

    16

  • num_dga_domains

    10000

  • port

    443

Signatures

  • Meta Stealer

    Meta Stealer steals passwords stored in browsers, written in C++.

    stealermetastealer
  • MetaStealer payload 1 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.

    execution
  • Modifies file permissions 1 TTPs 1 IoCs
    discovery
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 9 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Untitled_June_06_25_2024_export.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Untitled_June_06_25_2024_export.pdf.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Windows\SYSTEM32\msiexec.exe
      msiexec.exe /i "C:\Users\Admin\AppData\Local\Microsoft\Windows\windrv.msi" /Qn
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2024
  • 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 --field-trial-handle=4160,i,384704133665252524,7723904513810765818,262144 --variations-seed-version --mojo-platform-channel-handle=3932 /prefetch:8
    1⤵
      PID:4128
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Enumerates connected drives
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4672
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 63FC2875D3D8A7D4A02035D6DBA97D38
        2⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:728
        • C:\Windows\SysWOW64\ICACLS.EXE
          "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-5422b623-0d47-4e03-a1ab-2ddb3da84fed\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
          3⤵
          • Modifies file permissions
          PID:1044
        • C:\Windows\SysWOW64\EXPAND.EXE
          "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
          3⤵
          • Drops file in Windows directory
          PID:4580
        • C:\Users\Admin\AppData\Local\Temp\MW-5422b623-0d47-4e03-a1ab-2ddb3da84fed\files\setup.exe
          "C:\Users\Admin\AppData\Local\Temp\MW-5422b623-0d47-4e03-a1ab-2ddb3da84fed\files\setup.exe" /VERYSILENT /VERYSILENT
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2368
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Microsoft\Windows\systemtask.exe"
            4⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1732
          • C:\Windows\SysWOW64\systeminfo.exe
            systeminfo
            4⤵
            • Gathers system information
            PID:4120

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          windrv.msi
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\windrv.msi
          • Size 1.6MB
          • SHA256 b31e366ae13a960eb0efbfb5074b0abd1f300151289833d7dfa1a9382bea1855
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          files.cab
          • Path C:\Users\Admin\AppData\Local\Temp\MW-5422b623-0d47-4e03-a1ab-2ddb3da84fed\files.cab
          • Size 1.3MB
          • SHA256 ead264b457fd74737f51a2c4bf5d4679d7e1dcdd1547aca6fe3bf7e117c9d0d8
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          msiwrapper.ini
          • Path C:\Users\Admin\AppData\Local\Temp\MW-5422b623-0d47-4e03-a1ab-2ddb3da84fed\msiwrapper.ini
          • Size 1KB
          • SHA256 314fb9e4f9d78206ac7399faf5b9c841075c9e8337a8e705947c123ab97adcfb
          • MD5 SHA1 SHA512
          Submit Download

          __PSScriptPolicyTest_ovinoiyo.cv3.ps1
          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ovinoiyo.cv3.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512
          Submit Download

          MSI74ED.tmp
          • Path C:\Windows\Installer\MSI74ED.tmp
          • Size 208KB
          • SHA256 fd622cf73ea951a6de631063aba856487d77745dd1500adca61902b8dde56fe1
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/1732-90-0x00000000064E0000-0x00000000064FE000-memory.dmp
          Download

          memory/1732-103-0x0000000006B00000-0x0000000006B1E000-memory.dmp
          Download

          memory/1732-76-0x0000000005C80000-0x0000000005CA2000-memory.dmp
          Download

          memory/1732-77-0x0000000005E20000-0x0000000005E86000-memory.dmp
          Download

          memory/1732-78-0x0000000005E90000-0x0000000005EF6000-memory.dmp
          Download

          memory/1732-74-0x0000000004F30000-0x0000000004F66000-memory.dmp
          Download

          memory/1732-88-0x0000000006000000-0x0000000006354000-memory.dmp
          Download

          memory/1732-357-0x0000000007AB0000-0x0000000007AB8000-memory.dmp
          Download

          memory/1732-91-0x0000000006520000-0x000000000656C000-memory.dmp
          Download

          memory/1732-92-0x0000000006AC0000-0x0000000006AF2000-memory.dmp
          Download

          memory/1732-93-0x000000006EA40000-0x000000006EA8C000-memory.dmp
          Download

          memory/1732-75-0x0000000005600000-0x0000000005C28000-memory.dmp
          Download

          memory/1732-117-0x0000000006B20000-0x0000000006BC3000-memory.dmp
          Download

          memory/1732-174-0x0000000007E50000-0x00000000084CA000-memory.dmp
          Download

          memory/1732-176-0x0000000006910000-0x000000000692A000-memory.dmp
          Download

          memory/1732-203-0x0000000007890000-0x000000000789A000-memory.dmp
          Download

          memory/1732-262-0x0000000007AC0000-0x0000000007B56000-memory.dmp
          Download

          memory/1732-275-0x00000000078B0000-0x00000000078C1000-memory.dmp
          Download

          memory/1732-353-0x0000000007A60000-0x0000000007A6E000-memory.dmp
          Download

          memory/1732-355-0x0000000007A70000-0x0000000007A84000-memory.dmp
          Download

          memory/1732-356-0x0000000007B80000-0x0000000007B9A000-memory.dmp
          Download

          memory/2368-70-0x0000000010000000-0x000000001072E000-memory.dmp
          Download