Overview

overview

10

Static

static

3

XLOADER.exe

windows10-2004-x64

10

Resubmissions

27/01/2025, 22:06

250127-11h8zsxkbx 10

27/01/2025, 22:03

250127-1yqv2sxjdw 10

27/01/2025, 22:00

250127-1wzeeaxnek 10

Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2025, 22:03

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General

  • Target

    XLOADER.exe

  • Size

    165KB

  • MD5

    35faa4d7d6a4ce2d4af4c66f42547af7

  • SHA1

    e844d33f3bd11f49822e0314732c7a13e9ee8e29

  • SHA256

    ef1737d52757e66af3d80c1a64ee974236f011783cb54960a1f6adc5a47386fa

  • SHA512

    baa7c5a212dff66fedbf6ed3325ad3cd9dc17831a35450125a63ebecd735df1a16ce4362c6e8518586b6f5895b3950f4573cf8721e55a9fcc67d1fddb35ea3e2

  • SSDEEP

    3072:LrLWKPAfXXXMaaJBGye1k07+X7hje/MbuYDDs6POkfEKVRuLS:LuY2XSJB7e1LIwEbDDBmkfEK

Score
10/10
gurcuxwormexecutionpersistenceratstealertrojan

Malware Config

Extracted

Family

xworm

C2

sponef159-35748.portmap.host:35748

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

  • telegram

    https://api.telegram.org/bot7508868671:AAG6XIOhz39IrQIUnjub1TKVOVZHfdjpsvM/sendMessage?chat_id=6094400048

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7508868671:AAG6XIOhz39IrQIUnjub1TKVOVZHfdjpsvM/sendMessage?chat_id=6094400048

Signatures

  • Detect Xworm Payload 2 IoCs
  • Gurcu family
    gurcu
  • Gurcu, WhiteSnake

    Gurcu aka WhiteSnake is a malware stealer written in C#.

    stealergurcu
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • 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 2 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
  • 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.

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • 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 14 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 16 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\XLOADER.exe
    "C:\Users\Admin\AppData\Local\Temp\XLOADER.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1936
    • 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:1416
      • 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
        • Suspicious use of AdjustPrivilegeToken
        PID:4788
      • 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
        • Suspicious use of AdjustPrivilegeToken
        PID:868
      • 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\svchost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2948
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2764
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:728
      • C:\Windows\SYSTEM32\CMD.EXE
        "CMD.EXE"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5084
        • C:\Windows\system32\ipconfig.exe
          ipconfig
          4⤵
          • Gathers network information
          PID:4612
  • C:\Users\Admin\AppData\Roaming\svchost.exe
    C:\Users\Admin\AppData\Roaming\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:3956
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3132
  • C:\Users\Admin\AppData\Roaming\svchost.exe
    C:\Users\Admin\AppData\Roaming\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1848
  • C:\Users\Admin\AppData\Roaming\svchost.exe
    C:\Users\Admin\AppData\Roaming\svchost.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1608

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

    Download Submit

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

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

    Download Submit

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

    944B

    MD5

    77d622bb1a5b250869a3238b9bc1402b

    SHA1

    d47f4003c2554b9dfc4c16f22460b331886b191b

    SHA256

    f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

    SHA512

    d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

    Download Submit

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

    944B

    MD5

    d8cb3e9459807e35f02130fad3f9860d

    SHA1

    5af7f32cb8a30e850892b15e9164030a041f4bd6

    SHA256

    2b139c74072ccbdaa17b950f32a6dbc934dfb7af9973d97c9b0d9c498012ba68

    SHA512

    045239ba31367fbdd59e883f74eafc05724e23bd6e8f0c1e7171ea2496a497eb9e0cfcb57285bb81c4d569daadba43d6ef64c626ca48f1e2a59e8d97f0cc9184

    Download Submit

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

    944B

    MD5

    b4b6d4cc52b5a3a71149b1f33d94d5de

    SHA1

    97d3dbdd24919eab70e3b14c68797cefc07e90dd

    SHA256

    da8c02ce00d5b1e6d4c3667465c7bbc14d7cd5227eb634f3d9690afd488267fe

    SHA512

    fc894f03709b83df7d2fca2779e1e60549078b67bcdbff0b61c8e5a802982210ae971309c1f92577573299288963ab5c95c6b38cbaedf53dc6062812c57a97af

    Download Submit

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

    49KB

    MD5

    9cda258445b322eb90f65b32ba86d86c

    SHA1

    d86a39dcc80db9cef23fc389dbbb6951ed7f908c

    SHA256

    0aca70f4574b4f593ad118de1846cb744eed48473a8fd51759c37e508d44e50f

    SHA512

    f76c77b63b6e881cd6e9a436b5efe5e4a45a8e78126fcc6876ec6855ef2572ba7e9dec7200e32ddca78f232d451305f87729ee5989f3c8ed83cde53d132a1d9a

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zheykixu.mps.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    Download Submit

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

    771B

    MD5

    883631f8638ae6ac4d26e17d71f180c3

    SHA1

    ef210829d9ef1d7f70115256af08acfe4c237af4

    SHA256

    3604b41d48b71a2cd0050c346ed9e28d72d630c2e1c2c4bfb814f38ec61a4604

    SHA512

    2105e6f97fa52c5dc4ed57b2a6cedd1b42c8007817b119aa25cb5d27392b1d781829e3f348179e901cbe379d95c8b5083cb74015f25b81c558c255a0b67998ff

    Download Submit

  • memory/1416-15-0x00007FFF26BA0000-0x00007FFF27661000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1416-100-0x00000000012C0000-0x00000000012CC000-memory.dmp

    Filesize

    48KB

    Download

  • memory/1416-14-0x0000000000A70000-0x0000000000A82000-memory.dmp

    Filesize

    72KB

    Download

  • memory/1416-66-0x00007FFF26BA0000-0x00007FFF27661000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1416-69-0x000000001C160000-0x000000001C262000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/1416-70-0x00007FFF26BA0000-0x00007FFF27661000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1416-90-0x0000000001290000-0x000000000129A000-memory.dmp

    Filesize

    40KB

    Download

  • memory/1416-86-0x00007FFF26BA0000-0x00007FFF27661000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/1936-0-0x00007FFF26BA3000-0x00007FFF26BA5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/1936-1-0x0000000000070000-0x000000000009E000-memory.dmp

    Filesize

    184KB

    Download

  • memory/3132-74-0x00000214A4FE0000-0x00000214A4FE1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3132-82-0x00000214A4FE0000-0x00000214A4FE1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3132-81-0x00000214A4FE0000-0x00000214A4FE1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3132-80-0x00000214A4FE0000-0x00000214A4FE1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3132-79-0x00000214A4FE0000-0x00000214A4FE1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3132-78-0x00000214A4FE0000-0x00000214A4FE1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3132-83-0x00000214A4FE0000-0x00000214A4FE1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3132-84-0x00000214A4FE0000-0x00000214A4FE1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3132-72-0x00000214A4FE0000-0x00000214A4FE1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3132-73-0x00000214A4FE0000-0x00000214A4FE1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4788-25-0x00000188BDB40000-0x00000188BDB62000-memory.dmp

    Filesize

    136KB

    Download