Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-05-2024 07:39

General

  • Target

    Dekont-Mayis.exe

  • Size

    242KB

  • MD5

    f36fa3a72893c4151b136426119ad589

  • SHA1

    2f83d91056d831a40182c743c36fab2622be8906

  • SHA256

    3f2490dd9d05980a4b02f6b5e6e9c18f349cc4192a4733374318c20bc7f0a885

  • SHA512

    fa51532d7257fb7e71a2f5f9091350086c1772dc5458b572674071c25288b80b205bf17db271e58e11e45d930f4c1745938e45068125bf92b29fd8ca3e6859ff

  • SSDEEP

    6144:hcBzA6kEHVMRfmlOSdqadv5fdvW5S7w1ofkPAyDEqClNdzI:SBTkEHS8dqidvL7/cPAyDEqClN6

Score
10/10

Malware Config

Extracted

Family

xenorat

C2

dns.dobiamfollollc.online

Mutex

Solid_rat_nd8889g

Attributes
  • delay

    61000

  • install_path

    appdata

  • port

    1283

  • startup_name

    bns

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 1 IoCs
  • Creates scheduled task(s) 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\Dekont-Mayis.exe
    "C:\Users\Admin\AppData\Local\Temp\Dekont-Mayis.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Users\Admin\AppData\Local\Temp\Dekont-Mayis.exe
      C:\Users\Admin\AppData\Local\Temp\Dekont-Mayis.exe
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1352
      • C:\Users\Admin\AppData\Roaming\XenoManager\Dekont-Mayis.exe
        "C:\Users\Admin\AppData\Roaming\XenoManager\Dekont-Mayis.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4820
        • C:\Users\Admin\AppData\Roaming\XenoManager\Dekont-Mayis.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\Dekont-Mayis.exe
          4⤵
          • Executes dropped EXE
          PID:1180
        • C:\Users\Admin\AppData\Roaming\XenoManager\Dekont-Mayis.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\Dekont-Mayis.exe
          4⤵
          • Executes dropped EXE
          PID:4628
        • C:\Users\Admin\AppData\Roaming\XenoManager\Dekont-Mayis.exe
          C:\Users\Admin\AppData\Roaming\XenoManager\Dekont-Mayis.exe
          4⤵
          • Executes dropped EXE
          PID:1204
    • C:\Users\Admin\AppData\Local\Temp\Dekont-Mayis.exe
      C:\Users\Admin\AppData\Local\Temp\Dekont-Mayis.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1652
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "bns" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2AA5.tmp" /F
        3⤵
        • Creates scheduled task(s)
        PID:4732
    • C:\Users\Admin\AppData\Local\Temp\Dekont-Mayis.exe
      C:\Users\Admin\AppData\Local\Temp\Dekont-Mayis.exe
      2⤵
        PID:64
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 64 -s 80
          3⤵
          • Program crash
          PID:1472
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 64 -ip 64
      1⤵
        PID:4016

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Dekont-Mayis.exe.log
        Filesize

        706B

        MD5

        d95c58e609838928f0f49837cab7dfd2

        SHA1

        55e7139a1e3899195b92ed8771d1ca2c7d53c916

        SHA256

        0407c814aef0d62aec7fd39b7c2f614746f0d8ff41f8ef957736f520f14b0339

        SHA512

        405310b29a833604c6627063bfdcf055a197e01f633ef21da238f1a6415a02e21315d689b4a6669db23e82152bed6f3492afb60963e6b2a0e9bb2ac09a480b5d

      • C:\Users\Admin\AppData\Local\Temp\tmp2AA5.tmp
        Filesize

        1KB

        MD5

        ce258e4d1ee9274298ad8a934564f693

        SHA1

        bade788124550cc863093902a5d75547c5df60cc

        SHA256

        493b42cf9fb3f7108d467a83937fe28cbe280194bcce3c9b41d32234ea7d6db4

        SHA512

        bfcf71048785ed9d75788d96744e0191948104e92a58062935f3c723b8580ddf222c24047a8131b84c11fce76b2139a61bc403cca66b5b82904470a29e1b25b0

      • C:\Users\Admin\AppData\Roaming\XenoManager\Dekont-Mayis.exe
        Filesize

        242KB

        MD5

        f36fa3a72893c4151b136426119ad589

        SHA1

        2f83d91056d831a40182c743c36fab2622be8906

        SHA256

        3f2490dd9d05980a4b02f6b5e6e9c18f349cc4192a4733374318c20bc7f0a885

        SHA512

        fa51532d7257fb7e71a2f5f9091350086c1772dc5458b572674071c25288b80b205bf17db271e58e11e45d930f4c1745938e45068125bf92b29fd8ca3e6859ff

      • memory/1352-13-0x0000000074EE0000-0x0000000075690000-memory.dmp
        Filesize

        7.7MB

      • memory/1352-10-0x0000000000400000-0x0000000000412000-memory.dmp
        Filesize

        72KB

      • memory/1352-30-0x0000000074EE0000-0x0000000075690000-memory.dmp
        Filesize

        7.7MB

      • memory/1652-39-0x0000000074EE0000-0x0000000075690000-memory.dmp
        Filesize

        7.7MB

      • memory/1652-17-0x0000000074EE0000-0x0000000075690000-memory.dmp
        Filesize

        7.7MB

      • memory/1652-16-0x0000000074EE0000-0x0000000075690000-memory.dmp
        Filesize

        7.7MB

      • memory/4304-8-0x0000000004C70000-0x0000000004C76000-memory.dmp
        Filesize

        24KB

      • memory/4304-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp
        Filesize

        4KB

      • memory/4304-5-0x0000000074EE0000-0x0000000075690000-memory.dmp
        Filesize

        7.7MB

      • memory/4304-18-0x0000000074EE0000-0x0000000075690000-memory.dmp
        Filesize

        7.7MB

      • memory/4304-7-0x000000000DF10000-0x000000000DFA2000-memory.dmp
        Filesize

        584KB

      • memory/4304-3-0x000000000DCF0000-0x000000000DD30000-memory.dmp
        Filesize

        256KB

      • memory/4304-2-0x0000000002BB0000-0x0000000002BB6000-memory.dmp
        Filesize

        24KB

      • memory/4304-6-0x000000000E420000-0x000000000E9C4000-memory.dmp
        Filesize

        5.6MB

      • memory/4304-4-0x000000000DDD0000-0x000000000DE6C000-memory.dmp
        Filesize

        624KB

      • memory/4304-1-0x0000000000770000-0x00000000007B6000-memory.dmp
        Filesize

        280KB

      • memory/4820-31-0x0000000074EE0000-0x0000000075690000-memory.dmp
        Filesize

        7.7MB

      • memory/4820-38-0x0000000074EE0000-0x0000000075690000-memory.dmp
        Filesize

        7.7MB