Resubmissions

08-10-2024 12:55

241008-p5x26aybjj 10

15-06-2024 08:11

240615-j3awystclb 10

Analysis

  • max time kernel
    68s
  • max time network
    78s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-10-2024 12:55

General

  • Target

    ESTADO DE CUENTA.xll

  • Size

    819KB

  • MD5

    5475ac0337614b9651483ca83628c38f

  • SHA1

    d03d0806bb24207780b441a090e3ff9e9d263929

  • SHA256

    8eaf377f8fc59bb93ada3e1f94571ebbbc3d3732475c86239ee72e4c1f2f31c7

  • SHA512

    d4d7d417fbadb98ac94e728c994b4ae7abc505632a1eb79d8f8193c71daa7bbbf2aa709713ec94ffa9b645dcf02b06907cd3fe1538840dfc22411c229bbcdb8c

  • SSDEEP

    12288:xG1N4HkcgMsiOd58bzbBSre6Q0uqZzD1reWabd/dbNZEEx/DLn0vkYHipwyA:xoOOMX1K+QHT+d9NZdxYHip

Malware Config

Extracted

Language
xlm4.0
Source

Extracted

Family

xenorat

C2

91.92.248.167

Mutex

Wolid_rat_nd8889g

Attributes
  • delay

    60000

  • install_path

    appdata

  • port

    1279

  • startup_name

    qns

Signatures

  • Detect XenoRat Payload 1 IoCs
  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 2 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ESTADO DE CUENTA.xll"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5068
    • C:\Users\Admin\AppData\Local\Temp\14da6619-30d4-4585-a11e-6316052cdcfc.exe
      "C:\Users\Admin\AppData\Local\Temp\14da6619-30d4-4585-a11e-6316052cdcfc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3320
      • C:\Users\Admin\AppData\Local\Temp\14da6619-30d4-4585-a11e-6316052cdcfc.exe
        C:\Users\Admin\AppData\Local\Temp\14da6619-30d4-4585-a11e-6316052cdcfc.exe
        3⤵
        • Executes dropped EXE
        PID:2208
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2208 -s 80
          4⤵
          • Program crash
          PID:780
      • C:\Users\Admin\AppData\Local\Temp\14da6619-30d4-4585-a11e-6316052cdcfc.exe
        C:\Users\Admin\AppData\Local\Temp\14da6619-30d4-4585-a11e-6316052cdcfc.exe
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:448
        • C:\Users\Admin\AppData\Roaming\XenoManager\14da6619-30d4-4585-a11e-6316052cdcfc.exe
          "C:\Users\Admin\AppData\Roaming\XenoManager\14da6619-30d4-4585-a11e-6316052cdcfc.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3164
          • C:\Users\Admin\AppData\Roaming\XenoManager\14da6619-30d4-4585-a11e-6316052cdcfc.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\14da6619-30d4-4585-a11e-6316052cdcfc.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3648
          • C:\Users\Admin\AppData\Roaming\XenoManager\14da6619-30d4-4585-a11e-6316052cdcfc.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\14da6619-30d4-4585-a11e-6316052cdcfc.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3888
          • C:\Users\Admin\AppData\Roaming\XenoManager\14da6619-30d4-4585-a11e-6316052cdcfc.exe
            C:\Users\Admin\AppData\Roaming\XenoManager\14da6619-30d4-4585-a11e-6316052cdcfc.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4344
      • C:\Users\Admin\AppData\Local\Temp\14da6619-30d4-4585-a11e-6316052cdcfc.exe
        C:\Users\Admin\AppData\Local\Temp\14da6619-30d4-4585-a11e-6316052cdcfc.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:100
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "qns" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEB84.tmp" /F
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2452
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2208 -ip 2208
    1⤵
      PID:2700

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\14da6619-30d4-4585-a11e-6316052cdcfc.exe.log

      Filesize

      522B

      MD5

      8334a471a4b492ece225b471b8ad2fc8

      SHA1

      1cb24640f32d23e8f7800bd0511b7b9c3011d992

      SHA256

      5612afe347d8549cc95a0c710602bcc7d7b224361b613c0a6ba362092300c169

      SHA512

      56ae2e83355c331b00d782797f5664c2f373eac240e811aab978732503ae05eb20b08730d2427ed90efa5a706d71b42b57153596a45a6b5592e3dd9128b81c36

    • C:\Users\Admin\AppData\Local\Temp\14da6619-30d4-4585-a11e-6316052cdcfc.exe

      Filesize

      233KB

      MD5

      025593cacb392aadf7266febcb9f700a

      SHA1

      602a4fcbbdaf682dc6311dc72468a00eb148ca86

      SHA256

      6b09a61d15fd9835db561b9f7571c714333a071cce0facd8ac3dc39289ef8998

      SHA512

      8e5c571c4905b418446cea26d8ef978706d1deb209227c602b8dbc5e9b9d23379bf42169887ee81dd287b9c07e43df733ffa7a72e4e279f9dfcec490710ed947

    • C:\Users\Admin\AppData\Local\Temp\ESTADO DE CUENTA.xll

      Filesize

      819KB

      MD5

      5475ac0337614b9651483ca83628c38f

      SHA1

      d03d0806bb24207780b441a090e3ff9e9d263929

      SHA256

      8eaf377f8fc59bb93ada3e1f94571ebbbc3d3732475c86239ee72e4c1f2f31c7

      SHA512

      d4d7d417fbadb98ac94e728c994b4ae7abc505632a1eb79d8f8193c71daa7bbbf2aa709713ec94ffa9b645dcf02b06907cd3fe1538840dfc22411c229bbcdb8c

    • C:\Users\Admin\AppData\Local\Temp\tmpEB84.tmp

      Filesize

      1KB

      MD5

      3d2731f4e9f8b4c521584acd3d8b3f5c

      SHA1

      4ea00c71495588d51ee24fe97243eb62a053505c

      SHA256

      ded359394cc73213534406e82661a503944931ea460e7a7f4d5f24c27065ec99

      SHA512

      9cbd7b4c7f7e36d795086143549a210e31f0785503a7191c0bdec117b2a0a26a622593a6d33a4c3178e2b771fb8777874a463f80435660f544d68f77680a1f74

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

      Filesize

      2KB

      MD5

      3ebf26aca5eb329c359e5be727248440

      SHA1

      b13a205f7637145831246a1c6fa57585882674d9

      SHA256

      2eabd56353439e4300a73912bf4173dc5e4d9cb67d680ab3bc1a6b848f2954a9

      SHA512

      8cd6b3c5f4b0cbd03d96129cca7ae246992358550f92ad42b5aec09a99b89269c990d4488449f305a6d4b1ac24d25bf5945e1cfb9ef55c5ac178a03a5d52daea

    • memory/448-62-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/3320-58-0x0000000004DA0000-0x0000000004E3C000-memory.dmp

      Filesize

      624KB

    • memory/3320-57-0x0000000004A90000-0x0000000004ACE000-memory.dmp

      Filesize

      248KB

    • memory/3320-56-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/3320-54-0x0000000004A80000-0x0000000004A86000-memory.dmp

      Filesize

      24KB

    • memory/3320-53-0x0000000000250000-0x0000000000290000-memory.dmp

      Filesize

      256KB

    • memory/3320-49-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/3320-59-0x0000000004AD0000-0x0000000004AD6000-memory.dmp

      Filesize

      24KB

    • memory/5068-12-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-0-0x00007FFB9BA90000-0x00007FFB9BAA0000-memory.dmp

      Filesize

      64KB

    • memory/5068-18-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-17-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-16-0x00007FFB998A0000-0x00007FFB998B0000-memory.dmp

      Filesize

      64KB

    • memory/5068-14-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-13-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-22-0x00000204C8DC0000-0x00000204C8EA6000-memory.dmp

      Filesize

      920KB

    • memory/5068-23-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-24-0x00000204C9130000-0x00000204C9144000-memory.dmp

      Filesize

      80KB

    • memory/5068-25-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-26-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-30-0x00000204CB260000-0x00000204CB29C000-memory.dmp

      Filesize

      240KB

    • memory/5068-29-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-28-0x00000204E3480000-0x00000204E3604000-memory.dmp

      Filesize

      1.5MB

    • memory/5068-27-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-33-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-34-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-35-0x00000204C9990000-0x00000204C99D4000-memory.dmp

      Filesize

      272KB

    • memory/5068-15-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-11-0x00007FFB998A0000-0x00007FFB998B0000-memory.dmp

      Filesize

      64KB

    • memory/5068-6-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-10-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-7-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-55-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-8-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-9-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-5-0x00007FFB9BA90000-0x00007FFB9BAA0000-memory.dmp

      Filesize

      64KB

    • memory/5068-4-0x00007FFB9BA90000-0x00007FFB9BAA0000-memory.dmp

      Filesize

      64KB

    • memory/5068-68-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-1-0x00007FFB9BA90000-0x00007FFB9BAA0000-memory.dmp

      Filesize

      64KB

    • memory/5068-86-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-87-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-88-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-89-0x00007FFBDBA10000-0x00007FFBDBC05000-memory.dmp

      Filesize

      2.0MB

    • memory/5068-2-0x00007FFB9BA90000-0x00007FFB9BAA0000-memory.dmp

      Filesize

      64KB

    • memory/5068-3-0x00007FFBDBAAD000-0x00007FFBDBAAE000-memory.dmp

      Filesize

      4KB