Analysis

  • max time kernel
    132s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-08-2024 01:55

General

  • Target

    2f724138cbe4102823295fb51e7edb615b95a0eeae09434596e70f28bc0e64a9.exe

  • Size

    634KB

  • MD5

    8f27d14a78615dc0c6d100ca3f96a86a

  • SHA1

    3d267acd9ae52e0585e091826a57af1a53450ae6

  • SHA256

    2f724138cbe4102823295fb51e7edb615b95a0eeae09434596e70f28bc0e64a9

  • SHA512

    0af71aed92eda0f10cd435a542d3b6fbada85be89e4d94f5c029ee81b0c0167140cf801bfdaa816d479aa435741a337f827be61683ffd32367d1b1c2d276c7d7

  • SSDEEP

    6144:3kuuqTIKE3cPTWyG08SLGf5FKlunGth1mQVSomL3To7ovjqjvrKi5z5XThDLGfwk:3DuqhE3cPqy9uuunGtNSnP/OzHST

Malware Config

Extracted

Family

xworm

C2

by-thus.gl.at.ply.gg:35938

Attributes
  • Install_directory

    %Temp%

  • install_file

    SSPinstaller.exe

Signatures

  • Detect Umbral payload 2 IoCs
  • Detect Xworm Payload 2 IoCs
  • Umbral

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

  • Xworm

    Xworm is a remote access trojan written in C#.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 8 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.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 2 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 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
  • 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 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f724138cbe4102823295fb51e7edb615b95a0eeae09434596e70f28bc0e64a9.exe
    "C:\Users\Admin\AppData\Local\Temp\2f724138cbe4102823295fb51e7edb615b95a0eeae09434596e70f28bc0e64a9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Users\Admin\AppData\Roaming\requestInstall.exe
      "C:\Users\Admin\AppData\Roaming\requestInstall.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1144
      • C:\Windows\SYSTEM32\attrib.exe
        "attrib.exe" +h +s "C:\Users\Admin\AppData\Roaming\requestInstall.exe"
        3⤵
        • Views/modifies file attributes
        PID:2624
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\requestInstall.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1736
      • 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:1088
      • 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:4064
      • 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:2972
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" os get Caption
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3636
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" computersystem get totalphysicalmemory
        3⤵
          PID:4960
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic.exe" csproduct get uuid
          3⤵
            PID:4160
          • 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:468
          • C:\Windows\System32\Wbem\wmic.exe
            "wmic" path win32_VideoController get name
            3⤵
            • Detects videocard installed
            PID:2980
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Roaming\requestInstall.exe" && pause
            3⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            • Suspicious use of WriteProcessMemory
            PID:3656
            • C:\Windows\system32\PING.EXE
              ping localhost
              4⤵
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:4552
        • C:\Users\Admin\AppData\Roaming\SSPInstaller.exe
          "C:\Users\Admin\AppData\Roaming\SSPInstaller.exe"
          2⤵
          • Checks computer location settings
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4848
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\SSPInstaller.exe'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            PID:3444
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SSPInstaller.exe'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            PID:4108
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\SSPinstaller.exe'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            PID:4056
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SSPinstaller.exe'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            PID:3508
          • C:\Windows\System32\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "SSPinstaller" /tr "C:\Users\Admin\AppData\Local\Temp\SSPinstaller.exe"
            3⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2984
      • C:\Users\Admin\AppData\Local\Temp\SSPinstaller.exe
        C:\Users\Admin\AppData\Local\Temp\SSPinstaller.exe
        1⤵
        • Executes dropped EXE
        PID:1840
      • C:\Users\Admin\AppData\Local\Temp\SSPinstaller.exe
        C:\Users\Admin\AppData\Local\Temp\SSPinstaller.exe
        1⤵
        • Executes dropped EXE
        PID:3540

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        654B

        MD5

        2ff39f6c7249774be85fd60a8f9a245e

        SHA1

        684ff36b31aedc1e587c8496c02722c6698c1c4e

        SHA256

        e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

        SHA512

        1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

      • 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

        ca58d1913d3261f116a299095e04f734

        SHA1

        941d13d0c8c65adb6513f23991acfa0d62facdea

        SHA256

        755daf72f2f5e983abb009c3b1eef4c7c660999f5ff581545bbcae7088c17c69

        SHA512

        87b0d8c9a5348235e9ad6416e09665764db1af408bf763857dc40e39411fa0cf405e3e8b9f0b8540c72aa874059d1dee865aa0cff8dba0fde5779ec9480b5e40

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

        Filesize

        944B

        MD5

        019a54d1f0d6469396d1d79bcca4d41d

        SHA1

        f7998bbb060a580079940ddc583dfaf798867fa7

        SHA256

        8dc87996c13c37f8c745ae8c49d477ff1b5e578845ed76f0bab90b157e42040a

        SHA512

        e3484f695ac2ebfc0430264e63e49a34f9617ac10112929112031baa6c74f1f406ea5e150fd1eb44ab9e0a8470e1bc7c9d416c93357dda9986a80038f26b21d3

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

        Filesize

        944B

        MD5

        d5eddfeb0f0f00677290585440b117ef

        SHA1

        cf4ccb8a226fea6779ccd07f17c4f7d11b1dff67

        SHA256

        640214024445e80b803535e5082551cacae05cf5e9f56eb389f47a0fe074c6b6

        SHA512

        e7cc9bdfb7e11fed282e955342164288b55df3d33f0b125a31c0befce2adbf14e4c8a1a76f285e2a1aba37a5e71f3154fffc1d555ca6a721fd9d832e6f986223

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

        Filesize

        944B

        MD5

        83685d101174171875b4a603a6c2a35c

        SHA1

        37be24f7c4525e17fa18dbd004186be3a9209017

        SHA256

        0c557845aab1da497bbff0e8fbe65cabf4cb2804b97ba8ae8c695a528af70870

        SHA512

        005a97a8e07b1840abdcef86a7881fd9bdc8acbfdf3eafe1dceb6374060626d81d789e57d87ca4096a39e28d5cca00f8945edff0a747591691ae75873d2b3fb5

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

        Filesize

        944B

        MD5

        d28a889fd956d5cb3accfbaf1143eb6f

        SHA1

        157ba54b365341f8ff06707d996b3635da8446f7

        SHA256

        21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

        SHA512

        0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

        Filesize

        948B

        MD5

        5824a6037c081fda5d46de274b6e2799

        SHA1

        526367a09300cbde430e8fb44e41cbe7a0937aac

        SHA256

        4d610d9cd32a20279c7133a726ff61820d6930e5aa18253ee1422f3a6f54953f

        SHA512

        a109b150f730cda78d5bee106bd232f9dca7500dfb7899c6919de2bd542e345ca271aa11809a24ea0a27dca158067ab3a2d5688ac0a2325185143245f1665582

      • 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\Temp\__PSScriptPolicyTest_sw5cqlg3.y2h.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Roaming\SSPInstaller.exe

        Filesize

        171KB

        MD5

        c9e72423dd94f42bf222d9a7fdb6eff9

        SHA1

        c724cd012c0c17a9222427d021fab0f3a0f25ac0

        SHA256

        8dcffd289f6b10088c345182b1d28ae492a3875b05af7f06dc0ff1d504461a16

        SHA512

        6265cfddc5320ef22954dae241a4988898ca6a80b48e1269f9b9df6ad22603dfd4f456d76b524062e904c00609ae9084728229872f8311120d9e71ed9db40b80

      • C:\Users\Admin\AppData\Roaming\requestInstall.exe

        Filesize

        338KB

        MD5

        4cd80597cf008592993ec6ec3780549c

        SHA1

        827a960dcc89c07cf8a80c97e2f2a281474d8c7f

        SHA256

        48c41a739d33db337ca33ab78b31e7bb13378508af1b2b8168594cc12268134b

        SHA512

        024fc64eaddc10370e64fe6531030e92a0c666c40737dccae071927c36fca86cb3c0828589014a6e3d1a108846e3bbde1be3c3afe2a996f9b843e9fb51b3b43d

      • memory/1512-55-0x0000017F44F40000-0x0000017F44FB6000-memory.dmp

        Filesize

        472KB

      • memory/1512-22-0x0000017F2A7B0000-0x0000017F2A80A000-memory.dmp

        Filesize

        360KB

      • memory/1512-57-0x0000017F44F20000-0x0000017F44F3E000-memory.dmp

        Filesize

        120KB

      • memory/1512-93-0x0000017F44EC0000-0x0000017F44ECA000-memory.dmp

        Filesize

        40KB

      • memory/1512-94-0x0000017F44EF0000-0x0000017F44F02000-memory.dmp

        Filesize

        72KB

      • memory/1512-56-0x0000017F44FC0000-0x0000017F45010000-memory.dmp

        Filesize

        320KB

      • memory/1512-27-0x00007FFAD5830000-0x00007FFAD62F1000-memory.dmp

        Filesize

        10.8MB

      • memory/1512-161-0x00007FFAD5830000-0x00007FFAD62F1000-memory.dmp

        Filesize

        10.8MB

      • memory/1736-29-0x000001F0A9290000-0x000001F0A92B2000-memory.dmp

        Filesize

        136KB

      • memory/2124-0-0x00007FFAD5833000-0x00007FFAD5835000-memory.dmp

        Filesize

        8KB

      • memory/2124-1-0x00000000005A0000-0x0000000000644000-memory.dmp

        Filesize

        656KB

      • memory/4848-97-0x00007FFAD5830000-0x00007FFAD62F1000-memory.dmp

        Filesize

        10.8MB

      • memory/4848-26-0x0000000000A00000-0x0000000000A30000-memory.dmp

        Filesize

        192KB

      • memory/4848-162-0x00007FFAD5830000-0x00007FFAD62F1000-memory.dmp

        Filesize

        10.8MB

      • memory/4848-28-0x00007FFAD5830000-0x00007FFAD62F1000-memory.dmp

        Filesize

        10.8MB