Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 22:51

General

  • Target

    Nitro.exe

  • Size

    45KB

  • MD5

    048a4609bb110ca3e09bbfef1cc40c96

  • SHA1

    7d01285acc3f07037ab0254da3ec68bf4ceddb34

  • SHA256

    57f7eb514c99759aad8e22283c23dc974bb40d0b3bae8fe05fcbf5bd681382e1

  • SHA512

    fe2a26dd117df6eda626adb17d316010052098655fe794a37a5861290a4201b3bdc7eff184bcb93152a2e808bce82733dace9de143020c4748161e5ac28a4b1b

  • SSDEEP

    768:xdhO/poiiUcjlJInG1H9Xqk5nWEZ5SbTDaSuI7CPW5K:vw+jjgneH9XqcnW85SbTHuIi

Malware Config

Extracted

Family

xenorat

C2

148.0.169.121

Mutex

Nitro

Attributes
  • delay

    5000

  • install_path

    appdata

  • port

    4444

  • startup_name

    Nitro

Signatures

  • Detect XenoRat Payload 2 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Nitro.exe
    "C:\Users\Admin\AppData\Local\Temp\Nitro.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Users\Admin\AppData\Roaming\XenoManager\Nitro.exe
      "C:\Users\Admin\AppData\Roaming\XenoManager\Nitro.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3196
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "Nitro" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C7E.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    226B

    MD5

    916851e072fbabc4796d8916c5131092

    SHA1

    d48a602229a690c512d5fdaf4c8d77547a88e7a2

    SHA256

    7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

    SHA512

    07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

  • C:\Users\Admin\AppData\Local\Temp\tmp9C7E.tmp

    Filesize

    1KB

    MD5

    de437554760b4ddf55e4c0df8d5fb7b4

    SHA1

    c2840202b15ed2b2e258d24c8ed94d75f51d6c9f

    SHA256

    fb42616a8c96dd4b39d802e022a24ccece0dbc2aad771dbce0443a47489bcdf1

    SHA512

    818243ac45c5a1603638e09071806434512a9b8074348a9950c7df21fa27ac4b41d2ac47f80fc2f72af78336f97cce90147fee82a3ed17f5aaba96abd27788c3

  • C:\Users\Admin\AppData\Roaming\XenoManager\Nitro.exe

    Filesize

    45KB

    MD5

    048a4609bb110ca3e09bbfef1cc40c96

    SHA1

    7d01285acc3f07037ab0254da3ec68bf4ceddb34

    SHA256

    57f7eb514c99759aad8e22283c23dc974bb40d0b3bae8fe05fcbf5bd681382e1

    SHA512

    fe2a26dd117df6eda626adb17d316010052098655fe794a37a5861290a4201b3bdc7eff184bcb93152a2e808bce82733dace9de143020c4748161e5ac28a4b1b

  • memory/3196-15-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3196-18-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3196-19-0x0000000074C70000-0x0000000075420000-memory.dmp

    Filesize

    7.7MB

  • memory/3348-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

    Filesize

    4KB

  • memory/3348-1-0x0000000000620000-0x0000000000632000-memory.dmp

    Filesize

    72KB