Analysis

  • max time kernel
    12s
  • max time network
    14s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-07-2024 02:08

General

  • Target

    CsGo 2 Cheat/undetek-v6.9.3.exe

  • Size

    230KB

  • MD5

    516758abff2f243a0cba24669f96c751

  • SHA1

    6a7dd5a986c4b213cb624212137b9132f0c4ef21

  • SHA256

    47c501095d9096a3c2837d2312f3c51b679964e2c40426e5f9a245b7b5b66939

  • SHA512

    7b254602e70075f02b3d19a2a8f669d4a8f5a0c1b5278fd2b4e154b3668d1cfea00da80984395a80da62c232e1b69320725992a14183642a579fb0b98c147162

  • SSDEEP

    6144:TloZM+rIkd8g+EtXHkv/iD4lvuPT5KyNv4ZL22jOjb8e1mYi:RoZtL+EP8lvuPT5KyNv4ZL22jg2

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • 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.

  • Drops file in Drivers directory 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CsGo 2 Cheat\undetek-v6.9.3.exe
    "C:\Users\Admin\AppData\Local\Temp\CsGo 2 Cheat\undetek-v6.9.3.exe"
    1⤵
    • Drops file in Drivers directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3008
    • C:\Windows\SYSTEM32\attrib.exe
      "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\CsGo 2 Cheat\undetek-v6.9.3.exe"
      2⤵
      • Views/modifies file attributes
      PID:2028
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\CsGo 2 Cheat\undetek-v6.9.3.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1844
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1716
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4560
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:100
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" os get Caption
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:844
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" computersystem get totalphysicalmemory
      2⤵
        PID:2540
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        2⤵
          PID:3280
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2668
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic" path win32_VideoController get name
          2⤵
          • Detects videocard installed
          PID:3228
        • C:\Windows\SYSTEM32\cmd.exe
          "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\CsGo 2 Cheat\undetek-v6.9.3.exe" && pause
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2264
          • C:\Windows\system32\PING.EXE
            ping localhost
            3⤵
            • Runs ping.exe
            PID:4532

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        2KB

        MD5

        440cb38dbee06645cc8b74d51f6e5f71

        SHA1

        d7e61da91dc4502e9ae83281b88c1e48584edb7c

        SHA256

        8ef7a682dfd99ff5b7e9de0e1be43f0016d68695a43c33c028af2635cc15ecfe

        SHA512

        3aab19578535e6ba0f6beb5690c87d970292100704209d2dcebddcdd46c6bead27588ef5d98729bfd50606a54cc1edf608b3d15bef42c13b9982aaaf15de7fd6

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

        Filesize

        944B

        MD5

        4a154efa7af25bb8b94d0d9c7b4f15cd

        SHA1

        5e0e04103e4eef1bc7ef242b730aed1958f98e1f

        SHA256

        c216eda372556eb78e680bde247c2fd2085642ee33031905a213c6bec502ccce

        SHA512

        fc4678133318fe1952947be74e244246336c7faacc9b9ae32336d57b106ec8f044e5db41dd98e8f3a54270ddacab2fc84a66d5d67deeadc3056ea5213bcbbba4

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

        Filesize

        948B

        MD5

        2af06a6b36db9473e4a7d9c7ab72b70b

        SHA1

        8ef34b9b961e51bdd1b8d7d9db2ec1b0a4764645

        SHA256

        18a2aa7e245c6732f95fb7749b2b4d29007f2c56a9c5bfbc5e3c127bdfe5f158

        SHA512

        3495567a5d5af94ae27be51313d9e2630c52017d808042fe0d56baa34fa1d246eb15c253d14c77c77a1d8f2f1c81680e623044ae95415b095696e7fa141ac7cf

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

        Filesize

        1KB

        MD5

        d3235ed022a42ec4338123ab87144afa

        SHA1

        5058608bc0deb720a585a2304a8f7cf63a50a315

        SHA256

        10663f5a1cb0afe5578f61ebaae2aafb363544e47b48521f9c23be9e6e431b27

        SHA512

        236761b7c68feca8bd62cba90cff0b25fac5613837aaa5d29ae823ace8b06a2057553cf7e72b11ccc59b6c289e471ca1bbac1a880aef5e2868875371a17c1abf

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

        Filesize

        1KB

        MD5

        23272afe282560b0a5abad03e415e79b

        SHA1

        d24997643237343f0db0d9ab70e445450c70c795

        SHA256

        b3e29a57ee8c2da3dd7df14e6fd34632246e41950f3efd9ce9d35f1797ece1c9

        SHA512

        bc013bbd6083ef858570cdcdc89f761177f298cc394a0acfc553b2decc61e056459a539037ed67af13c2c4851e20d8df92a1c23d3d0b818a2e585506f28053c4

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2zy3lh0o.nhm.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/1844-4-0x00007FF9A9370000-0x00007FF9A9E31000-memory.dmp

        Filesize

        10.8MB

      • memory/1844-5-0x00007FF9A9370000-0x00007FF9A9E31000-memory.dmp

        Filesize

        10.8MB

      • memory/1844-11-0x00000243EF750000-0x00000243EF772000-memory.dmp

        Filesize

        136KB

      • memory/1844-18-0x00007FF9A9370000-0x00007FF9A9E31000-memory.dmp

        Filesize

        10.8MB

      • memory/1844-3-0x00007FF9A9370000-0x00007FF9A9E31000-memory.dmp

        Filesize

        10.8MB

      • memory/2392-34-0x000001A504CC0000-0x000001A504D10000-memory.dmp

        Filesize

        320KB

      • memory/2392-33-0x000001A504C40000-0x000001A504CB6000-memory.dmp

        Filesize

        472KB

      • memory/2392-35-0x000001A504B90000-0x000001A504BAE000-memory.dmp

        Filesize

        120KB

      • memory/2392-1-0x000001A502F20000-0x000001A502F60000-memory.dmp

        Filesize

        256KB

      • memory/2392-0-0x00007FF9A9373000-0x00007FF9A9375000-memory.dmp

        Filesize

        8KB

      • memory/2392-71-0x000001A504BD0000-0x000001A504BDA000-memory.dmp

        Filesize

        40KB

      • memory/2392-72-0x000001A504C00000-0x000001A504C12000-memory.dmp

        Filesize

        72KB

      • memory/2392-2-0x00007FF9A9370000-0x00007FF9A9E31000-memory.dmp

        Filesize

        10.8MB

      • memory/2392-90-0x000001A51D500000-0x000001A51D602000-memory.dmp

        Filesize

        1.0MB

      • memory/2392-91-0x00007FF9A9370000-0x00007FF9A9E31000-memory.dmp

        Filesize

        10.8MB