Resubmissions

07-02-2025 03:53

250207-efrtqsxpd1 10

07-02-2025 03:51

250207-eerscayrhk 10

07-02-2025 01:20

250207-bqhr2avpck 10

Analysis

  • max time kernel
    31s
  • max time network
    32s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 03:51

General

  • Target

    XWorm V6.0.exe

  • Size

    21.6MB

  • MD5

    ba23d65ef70b05cd3b04dfcbbd801059

  • SHA1

    5c241dc3d79f61bdf82d091bfe29bca2e641d802

  • SHA256

    0712085082841796a11be3e988c1cc131d1608809321683d4e4482363f616e0d

  • SHA512

    d32a4838ca544b9b4764bb99b716faf797aa194199151426a8848c1ed27b5f2428629324d30f15db138ff56d34d46233e3ef106ad416eff29de43eb8ade0eff9

  • SSDEEP

    393216:6JSgxj4gebngiHe2bD616QWBbdw6s8qaPNL1Zjo7YOiFSbzPQWrGMYV3j+cintc:4agiHe2n61Ub1fqY1Z8WSPFrlNHnt

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

OnCH8EVI1tYADuXo

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    msedge.exe

  • pastebin_url

    https://pastebin.com/raw/RPPi3ByL

  • telegram

    https://api.telegram.org/bot7483240807:AAEYFrBoMgquxWoikOe9bVlqmoMC2b2AOO4/sendMessage?chat_id=5279018187

aes.plain
aes.plain
aes.plain

Extracted

Family

stealerium

C2

https://api.telegram.org/bot7204924753:AAFaqmmBR9ybp4-iE8BA2YCiFNUbOEd0Ljk/sendMessage?chat_id=

Attributes

Signatures

  • Detect Xworm Payload 6 IoCs
  • Stealerium

    An open source info stealer written in C# first seen in May 2022.

  • Stealerium family
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 8 IoCs

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

  • Checks computer location settings 2 TTPs 5 IoCs

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

  • Drops startup file 6 IoCs
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of SetWindowsHookEx 3 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\XWorm V6.0.exe
    "C:\Users\Admin\AppData\Local\Temp\XWorm V6.0.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2648
    • C:\Users\Admin\AppData\Local\Temp\Chrome Update.exe
      "C:\Users\Admin\AppData\Local\Temp\Chrome Update.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1932
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4012
    • C:\Users\Admin\AppData\Local\Temp\OneDrive.exe
      "C:\Users\Admin\AppData\Local\Temp\OneDrive.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4808
      • 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\OneDrive.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2716
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'OneDrive.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5096
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\OneDrive.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2620
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'OneDrive.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2924
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "OneDrive" /tr "C:\ProgramData\OneDrive.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2972
    • C:\Users\Admin\AppData\Local\Temp\msedge.exe
      "C:\Users\Admin\AppData\Local\Temp\msedge.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:436
      • 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\msedge.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2012
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'msedge.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:448
      • 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\msedge.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1124
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'msedge.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4344
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "msedge" /tr "C:\Users\Admin\AppData\Local\msedge.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4480
    • C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe
      "C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe"
      2⤵
      • Executes dropped EXE
      PID:4088
    • C:\Users\Admin\AppData\Local\Temp\update.dotnet.exe
      "C:\Users\Admin\AppData\Local\Temp\update.dotnet.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2896
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\81f3bb0e-b800-4fda-9f53-06ae54674b9c.bat"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:8
        • C:\Windows\system32\chcp.com
          chcp 65001
          4⤵
            PID:5060
          • C:\Windows\system32\taskkill.exe
            taskkill /F /PID 2896
            4⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:2984
          • C:\Windows\system32\timeout.exe
            timeout /T 2 /NOBREAK
            4⤵
            • Delays execution with timeout.exe
            PID:512
    • C:\Users\Admin\AppData\Roaming\XClient.exe
      C:\Users\Admin\AppData\Roaming\XClient.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:5016

    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

      944B

      MD5

      22310ad6749d8cc38284aa616efcd100

      SHA1

      440ef4a0a53bfa7c83fe84326a1dff4326dcb515

      SHA256

      55b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf

      SHA512

      2ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def

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

      Filesize

      944B

      MD5

      eb1ad317bd25b55b2bbdce8a28a74a94

      SHA1

      98a3978be4d10d62e7411946474579ee5bdc5ea6

      SHA256

      9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98

      SHA512

      d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0

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

      Filesize

      944B

      MD5

      d079b2f414515e7536eab8def3f59752

      SHA1

      90cb03125d60dd194a44fe960df655d4a6268d10

      SHA256

      f21e430cda6fdfc4fa1d51eadaea666e9e6aa92898fda11c9f3d54de02dee94a

      SHA512

      022c5772b8203082037c7b4c433183f7593f126bc9138f512b5890211953fcd5d995bf05af905d0d597f5f84426dc072fa4964b5b76237856a18dc22bdec9eb9

    • 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\Temp\81f3bb0e-b800-4fda-9f53-06ae54674b9c.bat

      Filesize

      152B

      MD5

      6cb66a8343164b8ccaf018cf1790d114

      SHA1

      6350106ecc42bf159ff50fddeaa0671ec6b914c0

      SHA256

      cc6dbc5a31c5ccba286290364b34413eb96ef1a544a92ba64948172f49c0bd70

      SHA512

      bf739112016ae4dddc9d38e2f634f66e6f08a204bb87c2a3ddaafcb11048d9920b11e2f1111fd469582a962c5a2555c3ad1617da08d36f3bb99f2923709e1490

    • C:\Users\Admin\AppData\Local\Temp\Chrome Update.exe

      Filesize

      153KB

      MD5

      8b8585c779df2f6df99f749d3b07f146

      SHA1

      b553267f8e6f2bb6531ca2cb330e0d6b7bc41a1d

      SHA256

      4a9d13e9b68d26c6feb71856b7a61a2a1b8f2dc1c7aaa9ad5dfd5609b5a2da6c

      SHA512

      b89cae4386d0b8173b87533b5af3d863a188836185d105d6007786ba0e415537e84b759b8c22b37430ee544c554db9f50aa21466c5549c8b80c4f5a3fa6cb5c7

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

      Filesize

      140KB

      MD5

      a1cd6f4a3a37ed83515aa4752f98eb1d

      SHA1

      7f787c8d72787d8d130b4788b006b799167d1802

      SHA256

      5cbcc0a0c1d74cd54ac999717b0ff0607fe6ed02cca0a3e0433dd94783cfec65

      SHA512

      9489287e0b4925345fee05fe2f6e6f12440af1425ef397145e32e6f80c7ae98b530e42002d92dc156643f9829bc8a3b969e855cecd2265b6616c4514eed00355

    • C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe

      Filesize

      14.9MB

      MD5

      56ccb739926a725e78a7acf9af52c4bb

      SHA1

      5b01b90137871c3c8f0d04f510c4d56b23932cbc

      SHA256

      90f58865f265722ab007abb25074b3fc4916e927402552c6be17ef9afac96405

      SHA512

      2fee662bc4a1a36ce7328b23f991fa4a383b628839e403d6eb6a9533084b17699a6c939509867a86e803aafef2f9def98fa9305b576dad754aa7f599920c19a1

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2ungoawh.5vl.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      166KB

      MD5

      aee20d80f94ae0885bb2cabadb78efc9

      SHA1

      1e82eba032fcb0b89e1fdf937a79133a5057d0a1

      SHA256

      498eb55b3fb4c4859ee763a721870bb60ecd57e99f66023b69d8a258efa3af7d

      SHA512

      3a05ff32b9aa79092578c09dfe67eaca23c6fe8383111dab05117f39d91f27670029f39482827d191bd6a652483202b8fc1813f8d5a0f3f73fd35ca37a4f6d42

    • C:\Users\Admin\AppData\Local\Temp\update.dotnet.exe

      Filesize

      6.1MB

      MD5

      b3899dd5602b3587ee487ba34d7cfd47

      SHA1

      ace70e4fcea9b819eaf5bda4453866698252357f

      SHA256

      28c53ad86d705da7e21a1c0cbc996e15ab8f024368aa031b025d05f3dfdbeb2e

      SHA512

      104b8252db4e9a88e388370a6def71e0cbb536604d5a41ac60169a35a9662980d1359000d5ea316f29deb4c534678e86e266bba12bb0b658f2666d13b26c200a

    • memory/436-38-0x00000000001D0000-0x00000000001FE000-memory.dmp

      Filesize

      184KB

    • memory/1932-37-0x00007FFBBD860000-0x00007FFBBE321000-memory.dmp

      Filesize

      10.8MB

    • memory/1932-33-0x00000000008A0000-0x00000000008CC000-memory.dmp

      Filesize

      176KB

    • memory/1932-169-0x00007FFBBD860000-0x00007FFBBE321000-memory.dmp

      Filesize

      10.8MB

    • memory/2012-75-0x0000016A6D8B0000-0x0000016A6D8D2000-memory.dmp

      Filesize

      136KB

    • memory/2648-0-0x00007FFBBD863000-0x00007FFBBD865000-memory.dmp

      Filesize

      8KB

    • memory/2648-1-0x0000000000420000-0x00000000019B4000-memory.dmp

      Filesize

      21.6MB

    • memory/2896-64-0x0000015834AD0000-0x00000158350E6000-memory.dmp

      Filesize

      6.1MB

    • memory/4088-59-0x00000214B1680000-0x00000214B2568000-memory.dmp

      Filesize

      14.9MB

    • memory/4808-39-0x00007FFBBD860000-0x00007FFBBE321000-memory.dmp

      Filesize

      10.8MB

    • memory/4808-36-0x00000000008C0000-0x00000000008E8000-memory.dmp

      Filesize

      160KB

    • memory/4808-173-0x00007FFBBD860000-0x00007FFBBE321000-memory.dmp

      Filesize

      10.8MB