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Analysis

  • max time kernel
    34s
  • max time network
    35s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    17/11/2024, 02:37

General

  • Target

    Api-AutoUpdaterV2.exe

  • Size

    87KB

  • MD5

    9f9e3e562c3ace91fd36c7d9b49c56a7

  • SHA1

    32317350629c0591b49726ad71ab49e12b208918

  • SHA256

    c2306587c0e582a16037717598479523ba07d1afb646ab4a4ab63173adaaa971

  • SHA512

    8a60f2a143475fed2837a670717c5e35bcb0c0602fd633cda4efdfdd95ae15c407077fca5b7e5ac1dd771acc994f7f3b3fdff589dc3f613bce6144cdc3c7df8d

  • SSDEEP

    1536:CLVnqRcrCwNlhr/CbCRSCpv1ZLFNxdlub5mUnaC9UWGIiEdrRFbw0I5oKV+Uq4Q3:CslcCbCRBnFNblub5mUavWGAfFbwVVTQ

Malware Config

Extracted

Family

xworm

C2

job-moore.gl.at.ply.gg:49404

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Helper.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

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

  • 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 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 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).

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

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 43 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 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\Api-AutoUpdaterV2.exe
    "C:\Users\Admin\AppData\Local\Temp\Api-AutoUpdaterV2.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3096
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Api-AutoUpdaterV2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4056
    • 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\Api-AutoUpdaterV2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3268
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Api-AutoUpdaterV2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2468
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /rl highest /tn "Api-AutoUpdaterV2" /tr "C:\ProgramData\Api-AutoUpdaterV2.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:516
    • 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\Api-AutoUpdaterV2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:3848
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Api-AutoUpdaterV2.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:2260
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\WindowsDefender'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:2068
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WindowsDefender'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:1592
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "WindowsDefender" /tr "C:\ProgramData\WindowsDefender"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2568
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1580
  • C:\ProgramData\Api-AutoUpdaterV2.exe
    "C:\ProgramData\Api-AutoUpdaterV2.exe"
    1⤵
    • Executes dropped EXE
    PID:1072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Api-AutoUpdaterV2.exe

    Filesize

    87KB

    MD5

    9f9e3e562c3ace91fd36c7d9b49c56a7

    SHA1

    32317350629c0591b49726ad71ab49e12b208918

    SHA256

    c2306587c0e582a16037717598479523ba07d1afb646ab4a4ab63173adaaa971

    SHA512

    8a60f2a143475fed2837a670717c5e35bcb0c0602fd633cda4efdfdd95ae15c407077fca5b7e5ac1dd771acc994f7f3b3fdff589dc3f613bce6144cdc3c7df8d

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

    Filesize

    3KB

    MD5

    3eb3833f769dd890afc295b977eab4b4

    SHA1

    e857649b037939602c72ad003e5d3698695f436f

    SHA256

    c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

    SHA512

    c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

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

    Filesize

    1KB

    MD5

    119c7ae449382e726bbce58ac7096b60

    SHA1

    f45821ffec1a4a562d250eba652b6016352feed5

    SHA256

    6716b561c7d81e6d5f81f0d06d333f73db21b3d16f664e8b2d521b11ca291521

    SHA512

    040f436d1715d04736200c1250cc49f7d125030f5919c9ecb4026ab0e188e111831d372557c2677ca12004b84f5592f3b4369f74096344a337e3e84c3ec0bc87

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

    Filesize

    1KB

    MD5

    83d94e8aa23c7ad2db6f972739506306

    SHA1

    bd6d73d0417971c0077f772352d2f538a6201024

    SHA256

    dfa5cbd243b304f47196c492bc2d8b29941a550c2f076ef8bdfca72755e71881

    SHA512

    4224625e8ef8dadc72f1e1a1edfe2079656b14f2af94ce6128316481d96e9d0b6edf4de13fcdcc182038a2b29eb562b9246f944aecebfcb7c5ee8d7936b6287e

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

    Filesize

    1KB

    MD5

    a0363f5c09a6963431963c20d2aebb57

    SHA1

    776773f69229f14fb7440613951cce1ff900214d

    SHA256

    df302cb3cf45ac418f781ca1a5219096676477c7295c9e3e78e28a7306e16337

    SHA512

    c5fcb057e9af32d61ccec321c2f3adfffe4b8fd98bb15bd2412b07d3abcd1195724cd2c87b4e0fe8c758bfeeff976a060279005b1272c38cdd14ecf3ab29ddf8

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

    Filesize

    1KB

    MD5

    0d4599bc1d01dd972599956f3895759e

    SHA1

    d9ec6a80cab0d116cd821e0bd0c4c5a3d7ee8d6d

    SHA256

    0624f17f14db596be458150f3f70c66577fce868cbe4a905e9362f5d853dd412

    SHA512

    a3d945574c14a231058796fa14d802605a3982da1b7e24417a4c059b8185be5f13d0c6f27f82bfe57f9bb1b06fe64540eb0c9e83e93ba1a4ad2614802b3f049b

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

    Filesize

    1KB

    MD5

    f5ffc5fcfe9f4b27eeaf116938c9419a

    SHA1

    aaa5146bb86f1ed3e20498c880e42b42c1500e8a

    SHA256

    c68ad1b03fddb6c9f685e54e82ae618ee321a22a774b6afef615b2a87a5c3624

    SHA512

    c1adb8992a39234149575259c888586ccaeeb60096bc6792b6c7faf9fb012a8058cd4e3f8b0f425165e375cb2b739965a18278e4d5c877376c26f85d63257656

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

    Filesize

    1KB

    MD5

    17a9abe8cbb71401b7b5abf9bff3ef37

    SHA1

    647d8aba67a4fda071f731f7d2f6afa8408f2f6e

    SHA256

    b935f7bb89344a7e03e0eafdb9e0368ae3c9e1d864063de6ef50cc5c68d4f122

    SHA512

    9dcc503c76ebc0685047b62376a4a9958842a8a433f34ce70b7472d53d48c12dd693d21ee44a2dfe2299a6f484a7c15eb8f174ae065252f4a9c747eba4860b5a

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pm1sy1qr.aon.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    688B

    MD5

    993bec05deca25b7b526f4a548c0256e

    SHA1

    d862472b79c3681062c856f8ce50f1c0d724c863

    SHA256

    eae2358b3ae184db18eb781deff8d6fa26bc1f7cc86c560e3f13d820443701e5

    SHA512

    fe9fd17ea5432b4246d68a6de172c9fe3efdaa52a3705f4ee8de312d0611c5bbef42c175cfc43ab2a522ecf1a99892123bed816dc117dd007cad26426375b9b6

  • memory/1580-23-0x000002AD2E0D0000-0x000002AD2E0D1000-memory.dmp

    Filesize

    4KB

  • memory/1580-17-0x000002AD2E0D0000-0x000002AD2E0D1000-memory.dmp

    Filesize

    4KB

  • memory/1580-27-0x000002AD2E0D0000-0x000002AD2E0D1000-memory.dmp

    Filesize

    4KB

  • memory/1580-26-0x000002AD2E0D0000-0x000002AD2E0D1000-memory.dmp

    Filesize

    4KB

  • memory/1580-25-0x000002AD2E0D0000-0x000002AD2E0D1000-memory.dmp

    Filesize

    4KB

  • memory/1580-24-0x000002AD2E0D0000-0x000002AD2E0D1000-memory.dmp

    Filesize

    4KB

  • memory/1580-28-0x000002AD2E0D0000-0x000002AD2E0D1000-memory.dmp

    Filesize

    4KB

  • memory/1580-22-0x000002AD2E0D0000-0x000002AD2E0D1000-memory.dmp

    Filesize

    4KB

  • memory/1580-18-0x000002AD2E0D0000-0x000002AD2E0D1000-memory.dmp

    Filesize

    4KB

  • memory/1580-16-0x000002AD2E0D0000-0x000002AD2E0D1000-memory.dmp

    Filesize

    4KB

  • memory/3096-0-0x00007FFA4E073000-0x00007FFA4E075000-memory.dmp

    Filesize

    8KB

  • memory/3096-54-0x00007FFA4E073000-0x00007FFA4E075000-memory.dmp

    Filesize

    8KB

  • memory/3096-55-0x00007FFA4E070000-0x00007FFA4EB32000-memory.dmp

    Filesize

    10.8MB

  • memory/3096-58-0x000000001BFA0000-0x000000001BFB6000-memory.dmp

    Filesize

    88KB

  • memory/3096-2-0x00007FFA4E070000-0x00007FFA4EB32000-memory.dmp

    Filesize

    10.8MB

  • memory/3096-1-0x0000000000370000-0x000000000038C000-memory.dmp

    Filesize

    112KB

  • memory/3096-111-0x000000001C040000-0x000000001C04C000-memory.dmp

    Filesize

    48KB

  • memory/4056-31-0x00007FFA4E070000-0x00007FFA4EB32000-memory.dmp

    Filesize

    10.8MB

  • memory/4056-15-0x00007FFA4E070000-0x00007FFA4EB32000-memory.dmp

    Filesize

    10.8MB

  • memory/4056-14-0x00007FFA4E070000-0x00007FFA4EB32000-memory.dmp

    Filesize

    10.8MB

  • memory/4056-13-0x000001FCC7A20000-0x000001FCC7A42000-memory.dmp

    Filesize

    136KB

  • memory/4056-3-0x00007FFA4E070000-0x00007FFA4EB32000-memory.dmp

    Filesize

    10.8MB