Overview

overview

10

Static

static

10

RTClauncher.exe

windows7-x64

10

RTClauncher.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    299s
  • max time network
    301s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-07-2024 16:19

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General

  • Target

    RTClauncher.exe

  • Size

    71KB

  • MD5

    231165d18b206622d9a6ca5e7423ed23

  • SHA1

    eace0d60252f83a5b234193b42be21777deabf38

  • SHA256

    da97185f21d365d1ab660c38be7012f46b612f5a17c42388f1141c513f1fe1cc

  • SHA512

    544c4d79ea9ff5afab128d346e8dab14f5472e3535d86fc27fcdbdc060ebf2c1f500bc89e67a98651981a97319da62287ab920d694f23c77ca6f9f2e15037d2d

  • SSDEEP

    1536:VEpK8l/D7uHwKHNIQbTpf9UBBywe6CVP44YOoKCohN64fUX8E:KpPvuQgIQbTpf9bVP4FOoKBNhcX8E

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

management-angle.gl.at.ply.gg:1309

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

    execution
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 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.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\RTClauncher.exe
    "C:\Users\Admin\AppData\Local\Temp\RTClauncher.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3324
    • 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\RTClauncher.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:380
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'RTClauncher.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4016
    • 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\Secure System'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2540
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Secure System'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3796
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Secure System" /tr "C:\Users\Admin\AppData\Roaming\Secure System"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2240
  • C:\Users\Admin\AppData\Roaming\Secure System
    "C:\Users\Admin\AppData\Roaming\Secure System"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:916
  • C:\Users\Admin\AppData\Roaming\Secure System
    "C:\Users\Admin\AppData\Roaming\Secure System"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5028
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2216
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2900
    • C:\Users\Admin\AppData\Roaming\Secure System
      "C:\Users\Admin\AppData\Roaming\Secure System"
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4424
    • C:\Users\Admin\AppData\Roaming\Secure System
      "C:\Users\Admin\AppData\Roaming\Secure System"
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2120

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Secure System.log
      Filesize

      654B

      MD5

      2ff39f6c7249774be85fd60a8f9a245e

      SHA1

      684ff36b31aedc1e587c8496c02722c6698c1c4e

      SHA256

      e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

      SHA512

      1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

      Download Submit

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

      2KB

      MD5

      d85ba6ff808d9e5444a4b369f5bc2730

      SHA1

      31aa9d96590fff6981b315e0b391b575e4c0804a

      SHA256

      84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

      SHA512

      8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

      Download Submit

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

      944B

      MD5

      2e907f77659a6601fcc408274894da2e

      SHA1

      9f5b72abef1cd7145bf37547cdb1b9254b4efe9d

      SHA256

      385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233

      SHA512

      34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721

      Download Submit

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

      944B

      MD5

      da5c82b0e070047f7377042d08093ff4

      SHA1

      89d05987cd60828cca516c5c40c18935c35e8bd3

      SHA256

      77a94ef8c4258445d538a6006ffadb05afdf888f6f044e1e5466b981a07f16c5

      SHA512

      7360311a3c97b73dd3f6d7179cd979e0e20d69f380d38292447e17e369087d9dd5acb66cd0cbdd95ac4bfb16e5a1b86825f835a8d45b14ea9812102cff59704b

      Download Submit

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

      944B

      MD5

      ce4540390cc4841c8973eb5a3e9f4f7d

      SHA1

      2293f30a6f4c9538bc5b06606c10a50ab4ecef8e

      SHA256

      e834e1da338b9644d538cefd70176768816da2556939c1255d386931bd085105

      SHA512

      2a3e466cb5a81d2b65256053b768a98321eb3e65ff46353eefc9864f14a391748116f050e7482ddd73a51575bf0a6fc5c673023dade62dbd8b174442bae1cc6b

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2lgeadjb.dst.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Secure System.lnk
      Filesize

      779B

      MD5

      498acedae1742ce6b4a3d94afbcf87c4

      SHA1

      02e21877624082607354f95ca41ab65a2e980109

      SHA256

      dbf4f1a0ac426eed642737584f9df518e190897d40832d9c04447bde48690d41

      SHA512

      a49ab5f0b321689e3cffde33182fac20749af2132c4ce75847e298c15336839c96ea5064f34c986047e4c0921d7a5f3c6b8e0faf493c791c7945d99c8158522e

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Secure System
      Filesize

      71KB

      MD5

      231165d18b206622d9a6ca5e7423ed23

      SHA1

      eace0d60252f83a5b234193b42be21777deabf38

      SHA256

      da97185f21d365d1ab660c38be7012f46b612f5a17c42388f1141c513f1fe1cc

      SHA512

      544c4d79ea9ff5afab128d346e8dab14f5472e3535d86fc27fcdbdc060ebf2c1f500bc89e67a98651981a97319da62287ab920d694f23c77ca6f9f2e15037d2d

      Download Submit

    • memory/380-12-0x000002722AE90000-0x000002722AEB2000-memory.dmp

      Filesize

      136KB

      Download

    • memory/380-18-0x00007FFFA32B0000-0x00007FFFA3D71000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/380-15-0x00007FFFA32B0000-0x00007FFFA3D71000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/380-14-0x00007FFFA32B0000-0x00007FFFA3D71000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/380-13-0x00007FFFA32B0000-0x00007FFFA3D71000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/2216-76-0x00000165A6420000-0x00000165A6421000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2216-75-0x00000165A6420000-0x00000165A6421000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2216-72-0x00000165A6420000-0x00000165A6421000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2216-71-0x00000165A6420000-0x00000165A6421000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2216-65-0x00000165A6420000-0x00000165A6421000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2216-67-0x00000165A6420000-0x00000165A6421000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2216-66-0x00000165A6420000-0x00000165A6421000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2216-77-0x00000165A6420000-0x00000165A6421000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2216-73-0x00000165A6420000-0x00000165A6421000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2216-74-0x00000165A6420000-0x00000165A6421000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3324-57-0x00007FFFA32B0000-0x00007FFFA3D71000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3324-0-0x00007FFFA32B3000-0x00007FFFA32B5000-memory.dmp

      Filesize

      8KB

      Download

    • memory/3324-2-0x00007FFFA32B0000-0x00007FFFA3D71000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/3324-56-0x00007FFFA32B3000-0x00007FFFA32B5000-memory.dmp

      Filesize

      8KB

      Download

    • memory/3324-1-0x0000000000B00000-0x0000000000B18000-memory.dmp

      Filesize

      96KB

      Download

    • memory/3324-82-0x00000000013E0000-0x00000000013EC000-memory.dmp

      Filesize

      48KB

      Download

    • memory/3324-84-0x000000001BBC0000-0x000000001BC70000-memory.dmp

      Filesize

      704KB

      Download

    • memory/3324-85-0x000000001ED30000-0x000000001F258000-memory.dmp

      Filesize

      5.2MB

      Download