Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 13:43

General

  • Target

    3688756f43ff292c6431c90f7928dec6.exe

  • Size

    354KB

  • MD5

    3688756f43ff292c6431c90f7928dec6

  • SHA1

    dadf075fdc48d59398c97e3e9a83fcb45a75e02a

  • SHA256

    1c19018dec9dbe68fc48099c662be25062e7a43e6658bf396c6cc8fb2f6d21af

  • SHA512

    e7754f895eb8010f9aa65b476ece542ece987a5fa78cf8f4806086186f738619bd999a9f6ee416c6b64fd98dc45b05a6c20a9bb0ca1f26fe0478eee69763e4e8

  • SSDEEP

    6144:7ogIz4+0PtWd4hNC2f38OdLdBTEK1DedgwbjBBJsDqB4DK0hH2I:7ogIzye2/8O9dSK1M3BBJsDqB4DK0ZL

Malware Config

Extracted

Family

xenorat

C2

154.216.17.155

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    50010

  • install_path

    appdata

  • port

    1358

  • startup_name

    csvc

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 3 IoCs
  • Suspicious use of SetThreadContext 4 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 6 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3688756f43ff292c6431c90f7928dec6.exe
    "C:\Users\Admin\AppData\Local\Temp\3688756f43ff292c6431c90f7928dec6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Users\Admin\AppData\Local\Temp\3688756f43ff292c6431c90f7928dec6.exe
      C:\Users\Admin\AppData\Local\Temp\3688756f43ff292c6431c90f7928dec6.exe
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4704
      • C:\Users\Admin\AppData\Roaming\XenoManager\3688756f43ff292c6431c90f7928dec6.exe
        "C:\Users\Admin\AppData\Roaming\XenoManager\3688756f43ff292c6431c90f7928dec6.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3216
        • C:\Users\Admin\AppData\Roaming\XenoManager\3688756f43ff292c6431c90f7928dec6.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\3688756f43ff292c6431c90f7928dec6.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2584
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /Create /TN "csvc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6136.tmp" /F
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:3776
        • C:\Users\Admin\AppData\Roaming\XenoManager\3688756f43ff292c6431c90f7928dec6.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\3688756f43ff292c6431c90f7928dec6.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1612
    • C:\Users\Admin\AppData\Local\Temp\3688756f43ff292c6431c90f7928dec6.exe
      C:\Users\Admin\AppData\Local\Temp\3688756f43ff292c6431c90f7928dec6.exe
      2⤵
        PID:2152
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 80
          3⤵
          • Program crash
          PID:3140
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2152 -ip 2152
      1⤵
        PID:2832

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3688756f43ff292c6431c90f7928dec6.exe.log

        Filesize

        706B

        MD5

        d95c58e609838928f0f49837cab7dfd2

        SHA1

        55e7139a1e3899195b92ed8771d1ca2c7d53c916

        SHA256

        0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

        SHA512

        405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

      • C:\Users\Admin\AppData\Local\Temp\tmp6136.tmp

        Filesize

        1KB

        MD5

        37cdde1c084270cf1c622ea8acaab251

        SHA1

        997edaaa86caf4a598f58a1e2deb563ccfe33c84

        SHA256

        44f3c4cfb64bcc0e4014ee9b7d0c3a4ad9ff7c1e65e327d583488d87ff8664ec

        SHA512

        8ab293ea7dc13a3027726eff262adc353aa43fc660bc8e21de18eee77edb162817c548211b97533abdd80de0023ed830ba71be8f2dcf536eea08575a06d8648c

      • C:\Users\Admin\AppData\Roaming\XenoManager\3688756f43ff292c6431c90f7928dec6.exe

        Filesize

        354KB

        MD5

        3688756f43ff292c6431c90f7928dec6

        SHA1

        dadf075fdc48d59398c97e3e9a83fcb45a75e02a

        SHA256

        1c19018dec9dbe68fc48099c662be25062e7a43e6658bf396c6cc8fb2f6d21af

        SHA512

        e7754f895eb8010f9aa65b476ece542ece987a5fa78cf8f4806086186f738619bd999a9f6ee416c6b64fd98dc45b05a6c20a9bb0ca1f26fe0478eee69763e4e8

      • memory/2584-35-0x0000000074910000-0x00000000750C0000-memory.dmp

        Filesize

        7.7MB

      • memory/2584-33-0x0000000074910000-0x00000000750C0000-memory.dmp

        Filesize

        7.7MB

      • memory/2752-5-0x000000000D7F0000-0x000000000D88C000-memory.dmp

        Filesize

        624KB

      • memory/2752-6-0x000000000DE40000-0x000000000E3E4000-memory.dmp

        Filesize

        5.6MB

      • memory/2752-7-0x000000000D930000-0x000000000D9C2000-memory.dmp

        Filesize

        584KB

      • memory/2752-8-0x00000000046B0000-0x00000000046B6000-memory.dmp

        Filesize

        24KB

      • memory/2752-1-0x0000000000190000-0x00000000001F2000-memory.dmp

        Filesize

        392KB

      • memory/2752-0-0x000000007491E000-0x000000007491F000-memory.dmp

        Filesize

        4KB

      • memory/2752-2-0x0000000002600000-0x0000000002606000-memory.dmp

        Filesize

        24KB

      • memory/2752-15-0x0000000074910000-0x00000000750C0000-memory.dmp

        Filesize

        7.7MB

      • memory/2752-4-0x000000000D700000-0x000000000D756000-memory.dmp

        Filesize

        344KB

      • memory/2752-3-0x0000000074910000-0x00000000750C0000-memory.dmp

        Filesize

        7.7MB

      • memory/3216-26-0x0000000074910000-0x00000000750C0000-memory.dmp

        Filesize

        7.7MB

      • memory/3216-28-0x0000000074910000-0x00000000750C0000-memory.dmp

        Filesize

        7.7MB

      • memory/3216-34-0x0000000074910000-0x00000000750C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4704-27-0x0000000074910000-0x00000000750C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4704-14-0x0000000074910000-0x00000000750C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4704-9-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB