Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2024 02:02

General

  • Target

    f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe

  • Size

    367KB

  • MD5

    3b28af41d6afa46a8e9b5707e3bfb8f7

  • SHA1

    421755f9c95e2c7140241859983ad8665cf67b41

  • SHA256

    f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707

  • SHA512

    ddd508da739baacbd05c63b86dc0df4b6b74b416a332e967e8cddf16f1fec5b28ee2cf2a0c82b4ddc7e3fb11040bc15d13330cf73cfce9020cba4d605ceb1729

  • SSDEEP

    6144:H0ths4dDpxQCc6nxbx5S9l2VFqNK8xpDSznNkBJn64nJl0lvzewww0JwwgSnvYq:HKs45p2sxKP2VSKIoznSv64nJl0lvz3t

Malware Config

Extracted

Family

xenorat

C2

45.66.231.63

Mutex

Tolid_rat_nd8889j

Attributes
  • delay

    40000

  • install_path

    temp

  • port

    1353

  • startup_name

    vplayer

Signatures

  • 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 4 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe
    "C:\Users\Admin\AppData\Local\Temp\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Users\Admin\AppData\Local\Temp\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe
      C:\Users\Admin\AppData\Local\Temp\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe
      2⤵
        PID:1976
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 80
          3⤵
          • Program crash
          PID:4516
      • C:\Users\Admin\AppData\Local\Temp\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe
        C:\Users\Admin\AppData\Local\Temp\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3372
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks.exe" /Create /TN "vplayer" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2BED.tmp" /F
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4364
      • C:\Users\Admin\AppData\Local\Temp\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe
        C:\Users\Admin\AppData\Local\Temp\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1212
        • C:\Users\Admin\AppData\Local\Temp\XenoManager\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe
          "C:\Users\Admin\AppData\Local\Temp\XenoManager\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2012
          • C:\Users\Admin\AppData\Local\Temp\XenoManager\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe
            C:\Users\Admin\AppData\Local\Temp\XenoManager\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe
            4⤵
            • Executes dropped EXE
            PID:4464
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 80
              5⤵
              • Program crash
              PID:4424
          • C:\Users\Admin\AppData\Local\Temp\XenoManager\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe
            C:\Users\Admin\AppData\Local\Temp\XenoManager\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3252
          • C:\Users\Admin\AppData\Local\Temp\XenoManager\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe
            C:\Users\Admin\AppData\Local\Temp\XenoManager\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2340
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1976 -ip 1976
      1⤵
        PID:1028
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4464 -ip 4464
        1⤵
          PID:1404

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe.log

          Filesize

          522B

          MD5

          8334a471a4b492ece225b471b8ad2fc8

          SHA1

          1cb24640f32d23e8f7800bd0511b7b9c3011d992

          SHA256

          5612afe347d8549cc95a0c710602bcc7d7b224361b613c0a6ba362092300c169

          SHA512

          56ae2e83355c331b00d782797f5664c2f373eac240e811aab978732503ae05eb20b08730d2427ed90efa5a706d71b42b57153596a45a6b5592e3dd9128b81c36

        • C:\Users\Admin\AppData\Local\Temp\XenoManager\f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707.exe

          Filesize

          367KB

          MD5

          3b28af41d6afa46a8e9b5707e3bfb8f7

          SHA1

          421755f9c95e2c7140241859983ad8665cf67b41

          SHA256

          f81185426901a3519e4d8d030d677ecf8a50d873fecfdd3980ef3ccfac785707

          SHA512

          ddd508da739baacbd05c63b86dc0df4b6b74b416a332e967e8cddf16f1fec5b28ee2cf2a0c82b4ddc7e3fb11040bc15d13330cf73cfce9020cba4d605ceb1729

        • C:\Users\Admin\AppData\Local\Temp\tmp2BED.tmp

          Filesize

          1KB

          MD5

          a38219bf1c995060e7f1a621a829608c

          SHA1

          04689e15a01f40aef9ad766c1dc22527ee40ebe7

          SHA256

          2122bdb74bb5d63bce6ca627c845c1415845808beb910d0c9ce706495ec0d07a

          SHA512

          2c98956d7da969cac19ed4824b9f548397328df006d649be8089345f7e36fe6f69e82082f50ead0651f89f8ec6c4f422d5b156d025be3c5a2d1963376c2eb6e0

        • memory/1212-13-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB

        • memory/1212-27-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB

        • memory/2012-35-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB

        • memory/2012-28-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB

        • memory/2816-4-0x0000000004CE0000-0x0000000004D38000-memory.dmp

          Filesize

          352KB

        • memory/2816-14-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB

        • memory/2816-6-0x00000000027F0000-0x00000000027F6000-memory.dmp

          Filesize

          24KB

        • memory/2816-5-0x00000000050F0000-0x000000000518C000-memory.dmp

          Filesize

          624KB

        • memory/2816-0-0x00000000751DE000-0x00000000751DF000-memory.dmp

          Filesize

          4KB

        • memory/2816-3-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB

        • memory/2816-2-0x0000000002720000-0x0000000002726000-memory.dmp

          Filesize

          24KB

        • memory/2816-1-0x0000000000320000-0x0000000000384000-memory.dmp

          Filesize

          400KB

        • memory/3372-12-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB

        • memory/3372-8-0x0000000000400000-0x0000000000412000-memory.dmp

          Filesize

          72KB

        • memory/3372-15-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB

        • memory/3372-36-0x00000000751D0000-0x0000000075980000-memory.dmp

          Filesize

          7.7MB