Analysis

  • max time kernel
    150s
  • max time network
    151s
  • 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 08:44

General

  • Target

    Outstanding_Payment.vbs

  • Size

    10KB

  • MD5

    c16e69631577cf98f535b3bc87449d8d

  • SHA1

    66f071119d42023a1cd24387a19662cdf906ad22

  • SHA256

    e11868449abb65e5cd24b8454cc993336b1fa1462f8c8b31461dcaee3c6cf0e3

  • SHA512

    229c40d72a64bda855b35f959867cddbd8689a0d47adfb4bbe297af48c4c92dcaa90db5c31e06510012ad594d2196d396f6f75d1038d7772ff98c8f75431475f

  • SSDEEP

    192:8tdtjLrdjOmUi27Ang2iNSiHWdhWOqVNaYFPyxDpRCI:SQmM5xN7McOTYF0MI

Malware Config

Extracted

Family

xenorat

C2

87.120.120.27

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    11000

  • install_path

    appdata

  • port

    2222

  • 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).

  • 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 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"
    1⤵
    • Blocklisted process makes network request
    PID:4876
  • 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:2136
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4132
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:724
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "mrec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC69C.tmp" /F
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1172
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2308
        • C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe
          "C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:100
          • C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1112
          • C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4488
          • C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe
            C:\Users\Admin\AppData\Roaming\UpdateManager\MDEODF.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3292
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\MDEODF.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    706B

    MD5

    d95c58e609838928f0f49837cab7dfd2

    SHA1

    55e7139a1e3899195b92ed8771d1ca2c7d53c916

    SHA256

    0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

    SHA512

    405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

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

    Filesize

    47KB

    MD5

    26973056c194b68b10d1c2b9a632a27e

    SHA1

    0b61132df948c4d48e81b631bdad91be1080f530

    SHA256

    4a58b228b23cdc286d103115b2fb312eedf6741aeada17b242620b6737db1035

    SHA512

    72a2120c4e62e91aec8cf5ec14ca42d5088944b4652dd5c69be15640bb3c260a8eb74984659f98d2161671bc4b4da0397542d4e0d24e30518374ff686ed66c2e

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

    Filesize

    263KB

    MD5

    ff0e07eff1333cdf9fc2523d323dd654

    SHA1

    77a1ae0dd8dbc3fee65dd6266f31e2a564d088a4

    SHA256

    3f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5

    SHA512

    b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d

  • C:\Users\Admin\AppData\Local\Temp\tmpC69C.tmp

    Filesize

    1KB

    MD5

    2252d13c1250e721a097456d0dcdb094

    SHA1

    dc9eb91dcf5ca59c2d8e6e820fd11a2372c68a1f

    SHA256

    b3bdf8781809c2231b91a866b457b26f102f340acc1bfb07b4c52239e992283f

    SHA512

    9b9eab3c92d69075649f73435700618f1b14467de85380b03fe292f619675a50abbc98e614151f02a3246d29989794ae7c885237a8d4b57064c04f023179850a

  • 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\UProof\ExcludeDictionaryEN0809.lex

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

    Filesize

    166KB

    MD5

    f44302503ea4eedfa831c25711df51b7

    SHA1

    127d6ec83904de48d90c293e53c905fc4206bfb8

    SHA256

    21b7b8656a008ad3e5df1725cddf55e650812c1f3d59609f14c0d3089a886de6

    SHA512

    71e9512244d864b53abf436b496a53e6771135cc7d5fc0e4df7d04ac23074b6ed1e7438a28bc232a70f57de97367f0e3a21925bed738c5e47bdf3487ab2f4e03

  • memory/724-600-0x0000000005CA0000-0x0000000005D06000-memory.dmp

    Filesize

    408KB

  • memory/724-127-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2136-13-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-7-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-12-0x00007FFEA1F40000-0x00007FFEA1F50000-memory.dmp

    Filesize

    64KB

  • memory/2136-11-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-15-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-14-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-18-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-19-0x00007FFEA1F40000-0x00007FFEA1F50000-memory.dmp

    Filesize

    64KB

  • memory/2136-17-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-16-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-21-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-20-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-10-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-8-0x00007FFEA4370000-0x00007FFEA4380000-memory.dmp

    Filesize

    64KB

  • memory/2136-1-0x00007FFEA4370000-0x00007FFEA4380000-memory.dmp

    Filesize

    64KB

  • memory/2136-3-0x00007FFEA4370000-0x00007FFEA4380000-memory.dmp

    Filesize

    64KB

  • memory/2136-4-0x00007FFEA4370000-0x00007FFEA4380000-memory.dmp

    Filesize

    64KB

  • memory/2136-170-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-169-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-168-0x00007FFEE438D000-0x00007FFEE438E000-memory.dmp

    Filesize

    4KB

  • memory/2136-167-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-9-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-2-0x00007FFEE438D000-0x00007FFEE438E000-memory.dmp

    Filesize

    4KB

  • memory/2136-6-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

    Filesize

    2.0MB

  • memory/2136-5-0x00007FFEA4370000-0x00007FFEA4380000-memory.dmp

    Filesize

    64KB

  • memory/4132-126-0x00000000055D0000-0x00000000055D6000-memory.dmp

    Filesize

    24KB

  • memory/4132-125-0x000000000ABD0000-0x000000000AC62000-memory.dmp

    Filesize

    584KB

  • memory/4132-124-0x000000000B180000-0x000000000B724000-memory.dmp

    Filesize

    5.6MB

  • memory/4132-123-0x000000000AB30000-0x000000000ABCC000-memory.dmp

    Filesize

    624KB

  • memory/4132-122-0x0000000005520000-0x0000000005552000-memory.dmp

    Filesize

    200KB

  • memory/4132-121-0x0000000003170000-0x0000000003176000-memory.dmp

    Filesize

    24KB

  • memory/4132-120-0x0000000000BC0000-0x0000000000BEE000-memory.dmp

    Filesize

    184KB