Analysis

  • max time kernel
    147s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/03/2025, 17:29

General

  • Target

    680632686012cf732ac1fa640bc675528bfac38cfaf4415be9c8c6f58e1e161f.exe

  • Size

    2.7MB

  • MD5

    f1085213dc1d53f8edb91623227ea124

  • SHA1

    826452b193956372738c0cacac7a04b6fe728bfd

  • SHA256

    680632686012cf732ac1fa640bc675528bfac38cfaf4415be9c8c6f58e1e161f

  • SHA512

    72fcb542d964a1aa32a98a44b54efa979ff5bf30df47e5e8a7551d0651a0fb5956f471d0934a390366c5f431377220e89e0abecb69e51e20abfbbac6fcb3ed12

  • SSDEEP

    49152:cDjlabwz9YogON/vfolSuInvHco9SkPyduk/LXgKXEDsAu3echFz2u5/:cqwdgOulSuIn0o9SkPydxLXZXHechFCE

Malware Config

Extracted

Family

xenorat

C2

127.0.0.1

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    5000

  • install_path

    nothingset

  • port

    4444

  • startup_name

    nothingset

Signatures

  • Detect XenoRat Payload 2 IoCs
  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Xenorat family
  • 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 1 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\680632686012cf732ac1fa640bc675528bfac38cfaf4415be9c8c6f58e1e161f.exe
    "C:\Users\Admin\AppData\Local\Temp\680632686012cf732ac1fa640bc675528bfac38cfaf4415be9c8c6f58e1e161f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4628
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\funny.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\funny.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\funny.exe

    Filesize

    45KB

    MD5

    42faf67435979c1245010683d8e916b5

    SHA1

    b93b780736398c6e4001c150276ccb24982ed67f

    SHA256

    eef18c81faeee1877aa9cd8d8aef18b643a434fd3da221cc724070ec863e5fcd

    SHA512

    ff0fd19b423da9c89a6729790f5f39bac4e2dd03d62ad8c8fcf9628afb7e57a58b0a4700ee8811ba6c6191390c7cf3816342852fb90fc583ba261fd4637fcd86

  • memory/1476-16-0x000000007449E000-0x000000007449F000-memory.dmp

    Filesize

    4KB

  • memory/1476-17-0x0000000000AA0000-0x0000000000AB2000-memory.dmp

    Filesize

    72KB

  • memory/1476-18-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/1476-19-0x000000007449E000-0x000000007449F000-memory.dmp

    Filesize

    4KB

  • memory/1476-20-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB