Analysis

  • max time kernel
    149s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2024 16:33

General

  • Target

    Outstanding_Payment.vbs_.vbs

  • Size

    10KB

  • MD5

    7d736f2af918d503db2e0b8139d155ae

  • SHA1

    b41d9474dfa719a9971a571eabc148c174e2bd24

  • SHA256

    3c66afe6ed426888388935d671be049f948a30a58b866b4cf669c7eea88e059f

  • SHA512

    06ceeefa45b62026b3e61f49aed4a29e3ff4b2d832d1050740b173b07147edfcb4d2bb6e611072dc4b2435e1b18d441092009a806cb1cd52f5e9fca48b6b240e

  • SSDEEP

    192:GbC4tuunETpXgAdZF7+txQTof3aeBjhY/Hg12p3mXBP8xX:YMOspQY+txBryWV8Z

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
  • Blocklisted process makes network request 1 IoCs
  • 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 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.

  • Script User-Agent 1 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Outstanding_Payment.vbs_.vbs"
    1⤵
    • Blocklisted process makes network request
    PID:4684
  • 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:2980
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4576
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5040
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF637.tmp" /F
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:3832
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4360
        • C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
          "C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4416
          • C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3980
          • C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4488
          • C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\SSUNJNDPI.exe
            5⤵
            • Executes dropped EXE
            PID:2936
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2936 -s 80
              6⤵
              • Program crash
              PID:3112
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\SSUNJNDPI.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1260
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2936 -ip 2936
    1⤵
      PID:4984

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      706B

      MD5

      d95c58e609838928f0f49837cab7dfd2

      SHA1

      55e7139a1e3899195b92ed8771d1ca2c7d53c916

      SHA256

      0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

      SHA512

      405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

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

      Filesize

      35KB

      MD5

      df7222411a3a5c18e0d8fb28befb5ed7

      SHA1

      3680092dcd1918b0f0d11c9d2500db6c161956cb

      SHA256

      e629bbd6a5b5c253f38cea38d156d81e0f0e391b7e7618ff275e31fa0d3a34c6

      SHA512

      794d3f34297d17cc9d078a70489705b45f4b885619879ef2cba4d04498ba198680013a742b9d691b88307f24eb61a065fce4827cf138f2ef7504724cd4dc4cc7

    • C:\Users\Admin\AppData\Local\Temp\tmpF637.tmp

      Filesize

      1KB

      MD5

      435b83fb22c37b7961ff5d34702c2249

      SHA1

      95add8f33f4385f027bd958b81d6a2b886ac507c

      SHA256

      0c3591b634db538192cae67361a4c4613b2edb8d503756450ac90eae248a25b4

      SHA512

      e023638479b3378bb445e4d6851bb7ad1f1b7196682a4d9732750a7a0ea2266696ddb337a99ea5ffa86836d53b36b9bc339b20adb1a376781ef0980948ef4b35

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\LiveContent\16\Managed\Word Document Bibliography Styles\TM02851218[[fn=gb]].xsl

      Filesize

      262KB

      MD5

      51d32ee5bc7ab811041f799652d26e04

      SHA1

      412193006aa3ef19e0a57e16acf86b830993024a

      SHA256

      6230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97

      SHA512

      5fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810

    • 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\SSUNJNDPI.exe

      Filesize

      166KB

      MD5

      3560e82e9a06fae6f73f9cdb99da41ee

      SHA1

      501bfeab5e8526a75c1e0872157d708d246e33c9

      SHA256

      1f8da113e46b2c9ee4288a95e6f44ae030dfcc6ac555535d93ea64a51a0d456f

      SHA512

      951df547908ca94b8133f57725d5574604633ee9e4db12a81ecb1f08fa6fab3c10ab3d5c3b2a58651c0f748094781c1b9f6f16c618c34e4481c983d48757b746

    • memory/2980-42-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-1-0x00007FFBEC270000-0x00007FFBEC280000-memory.dmp

      Filesize

      64KB

    • memory/2980-6-0x00007FFBEC270000-0x00007FFBEC280000-memory.dmp

      Filesize

      64KB

    • memory/2980-13-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-12-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-11-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-10-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-14-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-15-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-16-0x00007FFBE9B10000-0x00007FFBE9B20000-memory.dmp

      Filesize

      64KB

    • memory/2980-18-0x00007FFBE9B10000-0x00007FFBE9B20000-memory.dmp

      Filesize

      64KB

    • memory/2980-8-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-36-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-37-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-2-0x00007FFBEC270000-0x00007FFBEC280000-memory.dmp

      Filesize

      64KB

    • memory/2980-51-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-9-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-5-0x00007FFBEC270000-0x00007FFBEC280000-memory.dmp

      Filesize

      64KB

    • memory/2980-4-0x00007FFC2C28D000-0x00007FFC2C28E000-memory.dmp

      Filesize

      4KB

    • memory/2980-117-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-110-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-109-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-3-0x00007FFBEC270000-0x00007FFBEC280000-memory.dmp

      Filesize

      64KB

    • memory/2980-86-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2980-7-0x00007FFC2C1F0000-0x00007FFC2C3E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4576-76-0x000000000A950000-0x000000000A956000-memory.dmp

      Filesize

      24KB

    • memory/4576-75-0x000000000AAE0000-0x000000000AB72000-memory.dmp

      Filesize

      584KB

    • memory/4576-74-0x000000000AFF0000-0x000000000B594000-memory.dmp

      Filesize

      5.6MB

    • memory/4576-73-0x000000000A9A0000-0x000000000AA3C000-memory.dmp

      Filesize

      624KB

    • memory/4576-72-0x0000000005510000-0x0000000005542000-memory.dmp

      Filesize

      200KB

    • memory/4576-71-0x00000000053F0000-0x00000000053F6000-memory.dmp

      Filesize

      24KB

    • memory/4576-70-0x0000000000BE0000-0x0000000000C10000-memory.dmp

      Filesize

      192KB

    • memory/5040-77-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/5040-516-0x0000000005B30000-0x0000000005B96000-memory.dmp

      Filesize

      408KB