Analysis

  • max time kernel
    138s
  • max time network
    158s
  • 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 05:44

General

  • Target

    7ea9da3dd3db6f3fadf04ac76b54434b.doc

  • Size

    195KB

  • MD5

    7ea9da3dd3db6f3fadf04ac76b54434b

  • SHA1

    b30b950191046d999e71aaa54fb2648c6655ce9b

  • SHA256

    947bce97211371e730a2b8b79c2ec4d154904e8faa7bed2583c5c6c420230170

  • SHA512

    f94eb382dedb8c3952dbc0f3b9040201455cec641c845bedf5765a2772aa98cb20d92b3e0edadcd92fd7cdb77e7c6f37d26bdd276cceea733237e28f04240f9d

  • SSDEEP

    3072:a877VGZ5Sd3b4e0wNZtsqXNKd5AvDJW4S+I/tZ6X1bpF6mfTm:DGZYwAZHMCDJ8/u5pAmbm

Malware Config

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
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 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.

  • 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.

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\7ea9da3dd3db6f3fadf04ac76b54434b.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:720
    • 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:992
      • 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:856
        • 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:4988
          • 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:4264
          • C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\GFKMTE.exe
            5⤵
            • Executes dropped EXE
            PID:1600
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 72
              6⤵
              • Program crash
              PID:628
          • 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:1884
      • 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:4736
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD0BD.tmp" /F
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1708
      • 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:4488
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1600 -ip 1600
    1⤵
      PID:1340

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    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\TCDD1D8.tmp\iso690.xsl

      Filesize

      263KB

      MD5

      ff0e07eff1333cdf9fc2523d323dd654

      SHA1

      77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4

      SHA256

      3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5

      SHA512

      b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d

    • C:\Users\Admin\AppData\Local\Temp\tmpD0BD.tmp

      Filesize

      1KB

      MD5

      dabe93a03c5560ab1670cf79b8d28566

      SHA1

      69738fe43d4550ece028ff2795a54bbad0985414

      SHA256

      743e8b28a38e98ea27ef07f17b7529976979c7b01eab92586a6cb686c0d1f68d

      SHA512

      15b3b49c46901e00a73def834225df28fd843af1e9ae594c7d061406209f6ce57277673c9c1ae3ed541f989fa499fd3e88929e00ebded6d23301f8d3680a6c57

    • 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/720-10-0x00007FFC9DFB0000-0x00007FFC9DFC0000-memory.dmp

      Filesize

      64KB

    • memory/720-17-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-7-0x00007FFCA0690000-0x00007FFCA06A0000-memory.dmp

      Filesize

      64KB

    • memory/720-8-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-9-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-0-0x00007FFCA0690000-0x00007FFCA06A0000-memory.dmp

      Filesize

      64KB

    • memory/720-12-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-11-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-13-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-14-0x00007FFC9DFB0000-0x00007FFC9DFC0000-memory.dmp

      Filesize

      64KB

    • memory/720-15-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-16-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-18-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-5-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-48-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-6-0x00007FFCA0690000-0x00007FFCA06A0000-memory.dmp

      Filesize

      64KB

    • memory/720-3-0x00007FFCA0690000-0x00007FFCA06A0000-memory.dmp

      Filesize

      64KB

    • memory/720-2-0x00007FFCA0690000-0x00007FFCA06A0000-memory.dmp

      Filesize

      64KB

    • memory/720-131-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-130-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-128-0x00007FFCE06AD000-0x00007FFCE06AE000-memory.dmp

      Filesize

      4KB

    • memory/720-129-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-127-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/720-1-0x00007FFCE06AD000-0x00007FFCE06AE000-memory.dmp

      Filesize

      4KB

    • memory/720-4-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/856-97-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/992-96-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB

    • memory/992-95-0x0000000002E90000-0x0000000002E96000-memory.dmp

      Filesize

      24KB

    • memory/992-94-0x000000000E070000-0x000000000E102000-memory.dmp

      Filesize

      584KB

    • memory/992-93-0x000000000E620000-0x000000000EBC4000-memory.dmp

      Filesize

      5.6MB

    • memory/992-92-0x000000000DFD0000-0x000000000E06C000-memory.dmp

      Filesize

      624KB

    • memory/992-91-0x0000000005540000-0x0000000005574000-memory.dmp

      Filesize

      208KB

    • memory/992-90-0x0000000005530000-0x0000000005536000-memory.dmp

      Filesize

      24KB

    • memory/992-89-0x0000000000BE0000-0x0000000000C10000-memory.dmp

      Filesize

      192KB

    • memory/992-88-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

      Filesize

      2.0MB