Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-06-2024 05:40

General

  • Target

    8f77f8b13b914f358059e3f7b9ddab70_NeikiAnalytics.exe

  • Size

    139KB

  • MD5

    8f77f8b13b914f358059e3f7b9ddab70

  • SHA1

    d406a28486b4dd881c454e526e149b98c0ec8462

  • SHA256

    c22c863186e9e86a07cdb7f214c4acede216405a09d4032a603e64931f6966e6

  • SHA512

    b00ba88d36203e389021672b39839a172b58e492bb71afb33c9f53b9ba406a0cf5d61cb5bfe6f11dc40529be8424690737ce178d7dd4981b120ec4694f51abad

  • SSDEEP

    3072:bNmWFIDmBFlT1wnCMjIM8pec/dAnXQdnbeFa7cMjGvA/v2QmZ6OGmfx7jHJm:b06BwnRlcCXUhcdv2uN5

Malware Config

Extracted

Family

xworm

C2

answer-riverside.gl.at.ply.gg:45691

Attributes
  • Install_directory

    %AppData%

  • install_file

    svhost.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#.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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
  • 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Runs ping.exe 1 TTPs 1 IoCs
  • 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\8f77f8b13b914f358059e3f7b9ddab70_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\8f77f8b13b914f358059e3f7b9ddab70_NeikiAnalytics.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Users\Admin\AppData\Local\Temp\XClient.exe
      "C:\Users\Admin\AppData\Local\Temp\XClient.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:3844
      • 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\XClient.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:2508
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:2948
      • 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\svhost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:2456
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svhost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        PID:5064
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svhost" /tr "C:\Users\Admin\AppData\Roaming\svhost.exe"
        3⤵
        • Creates scheduled task(s)
        PID:3764
    • C:\Users\Admin\AppData\Local\Temp\RustCheat.exe
      "C:\Users\Admin\AppData\Local\Temp\RustCheat.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:868
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4264
      • C:\Windows\SYSTEM32\attrib.exe
        "attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\RustCheat.exe"
        3⤵
        • Views/modifies file attributes
        PID:4780
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\RustCheat.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3284
      • 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⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4540
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1644
      • 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:228
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" os get Caption
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:5044
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" computersystem get totalphysicalmemory
        3⤵
          PID:3908
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic.exe" csproduct get uuid
          3⤵
            PID:4232
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3712
          • C:\Windows\System32\Wbem\wmic.exe
            "wmic" path win32_VideoController get name
            3⤵
            • Detects videocard installed
            PID:448
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\RustCheat.exe" && pause
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4184
            • C:\Windows\system32\PING.EXE
              ping localhost
              4⤵
              • Runs ping.exe
              PID:4876
      • C:\Users\Admin\AppData\Roaming\svhost.exe
        C:\Users\Admin\AppData\Roaming\svhost.exe
        1⤵
        • Executes dropped EXE
        PID:4692
      • C:\Users\Admin\AppData\Roaming\svhost.exe
        C:\Users\Admin\AppData\Roaming\svhost.exe
        1⤵
        • Executes dropped EXE
        PID:4516

      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\CLR_v4.0\UsageLogs\svhost.exe.log

        Filesize

        654B

        MD5

        2ff39f6c7249774be85fd60a8f9a245e

        SHA1

        684ff36b31aedc1e587c8496c02722c6698c1c4e

        SHA256

        e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

        SHA512

        1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

        Filesize

        1KB

        MD5

        369b89e3801fb1c3df3a7527516edea6

        SHA1

        1dcf07320cbe1911d7138f4287b20e90e8f2bc25

        SHA256

        18b86f2340bc1547cc647693777444a0788551baee5989b0f8b186b8109f291c

        SHA512

        c819d002f42629c97a26f4e81c10a4c8a6b20a4bbfa269306675badaa7828740b80fe6c31945fc6f4c06ad812c1f04c6cc37ac62cb59ed9c0af22a819b259d87

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

        Filesize

        944B

        MD5

        1ff7c767b41e57bd6662b9b45b7e4331

        SHA1

        e484ee08429d6403c5beb97582f2bc88567d2d45

        SHA256

        c37e94da3e67f9473d2f0f51725c4246eefdbd2c01b3603d1b218842afc05048

        SHA512

        310cdae4625b1c391eab4adc7e139da6da6cbc2f8eda386ec6aa23da7967fe3dad6792ccd4bed0a0a320c466363051927ff376487080f77b50bf325098651483

      • 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

        7d9ecfe610b58440e18d2bffe5167d71

        SHA1

        7afeed064042ef5e614228f678a0c595699c3d84

        SHA256

        2c42082be2718281fe2a2bf0136bf417ff214ce7c36bc22a40d23adb1d026632

        SHA512

        017a63c4b81cd256adec796b9258fbae464d32af59cb654a81dd157e02896f50a252c25b6eac07fc6cb44a493b477e7debfaf9999c854dbd3fb34e24ef443c29

      • 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

        c65738617888921a153bd9b1ef516ee7

        SHA1

        5245e71ea3c181d76320c857b639272ac9e079b1

        SHA256

        4640ba4001fd16a593315299cbdd4988dc2c7075820687f1018aac40aca95c26

        SHA512

        2e2a0ebd93f9d8dd07a7599054bce232683e9add9a35e77b584618040bcfd84a42545352519ec4736cc379002210b6f3ed2d905591c6925c0981b0392b495bfa

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

        Filesize

        1KB

        MD5

        548dd08570d121a65e82abb7171cae1c

        SHA1

        1a1b5084b3a78f3acd0d811cc79dbcac121217ab

        SHA256

        cdf17b8532ebcebac3cfe23954a30aa32edd268d040da79c82687e4ccb044adc

        SHA512

        37b98b09178b51eec9599af90d027d2f1028202efc1633047e16e41f1a95610984af5620baac07db085ccfcb96942aafffad17aa1f44f63233e83869dc9f697b

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

        Filesize

        231KB

        MD5

        ff8f5c2670894f74456e534b34d6a8fe

        SHA1

        e0b35ae06f68adf07e4616da8e91bb1f935e492a

        SHA256

        d9f3baf81271c395f4dc10e21d12bc2bfb875a8a28ede54abd54a0d8de194d37

        SHA512

        a58b08c3209bc196f914a82ca2b91a096988831bc45babb22ec2210303050cf03923ebf93e7a58926b8813328c672bec015cd0772f27a0192c661d83e796ffff

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

        Filesize

        60KB

        MD5

        28ff989c1d462f567aabb9c5ba76456b

        SHA1

        24be926b14f64f6a9f5b8248d1618bae9a7fc0b2

        SHA256

        a02fb0b588d89b4ea7f83fc303af6ab00b5ec81a39cf79b2e6ec65d3a3e4c63d

        SHA512

        2e639e5b5480c93c7605480de40e325c0692d3834f305d7d739f3569707e01cbd5d4c75c5fe4b02616edbb5c72b5f9df6466864a2b11fc862b35b5566d51bcba

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4de2ragr.4cu.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/868-57-0x00000174768C0000-0x0000017476936000-memory.dmp

        Filesize

        472KB

      • memory/868-95-0x0000017475E80000-0x0000017475E8A000-memory.dmp

        Filesize

        40KB

      • memory/868-162-0x00007FFD7B750000-0x00007FFD7C211000-memory.dmp

        Filesize

        10.8MB

      • memory/868-58-0x0000017475E20000-0x0000017475E70000-memory.dmp

        Filesize

        320KB

      • memory/868-59-0x0000017475DF0000-0x0000017475E0E000-memory.dmp

        Filesize

        120KB

      • memory/868-26-0x0000017474160000-0x00000174741A0000-memory.dmp

        Filesize

        256KB

      • memory/868-30-0x00007FFD7B750000-0x00007FFD7C211000-memory.dmp

        Filesize

        10.8MB

      • memory/868-96-0x0000017476A60000-0x0000017476A72000-memory.dmp

        Filesize

        72KB

      • memory/1664-29-0x00007FFD7B750000-0x00007FFD7C211000-memory.dmp

        Filesize

        10.8MB

      • memory/1664-2-0x00007FFD7B750000-0x00007FFD7C211000-memory.dmp

        Filesize

        10.8MB

      • memory/1664-0-0x00007FFD7B753000-0x00007FFD7B755000-memory.dmp

        Filesize

        8KB

      • memory/1664-1-0x00000000005A0000-0x00000000005CA000-memory.dmp

        Filesize

        168KB

      • memory/3284-31-0x000001C16E590000-0x000001C16E5B2000-memory.dmp

        Filesize

        136KB

      • memory/3844-28-0x00007FFD7B750000-0x00007FFD7C211000-memory.dmp

        Filesize

        10.8MB

      • memory/3844-27-0x0000000000590000-0x00000000005A6000-memory.dmp

        Filesize

        88KB

      • memory/3844-163-0x00007FFD7B750000-0x00007FFD7C211000-memory.dmp

        Filesize

        10.8MB