Analysis

  • max time kernel
    142s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-09-2024 09:56

General

  • Target

    Svchosts.exe

  • Size

    45KB

  • MD5

    283c2f66ccef3a27a10e74fe8f063918

  • SHA1

    ca9387655ff9b533dd36cf5641fd4eb8f88fb999

  • SHA256

    f770b7e25d959f700c9119cb1d9a5ef444634a335ea9f230f06b51fdaa487ad1

  • SHA512

    8243d21a66c6d52cc09d16403e7efd643fd292c7b22559472df5ea96532701799b4900527c10e8a0fee2226dfd959b0d662fffb0b9da4af0aebdbaf70756386f

  • SSDEEP

    768:GdhO/poiiUcjlJInLn+eP3H9Xqk5nWEZ5SbTDajuI7CPW5v:ww+jjgnjH9XqcnW85SbTWuIn

Malware Config

Extracted

Family

xenorat

C2

zenofs.zapto.org

Mutex

Svcchost

Attributes
  • install_path

    appdata

  • port

    4444

  • startup_name

    nothingset

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 2 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\Svchosts.exe
    "C:\Users\Admin\AppData\Local\Temp\Svchosts.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\AppData\Roaming\XenoManager\Svchosts.exe
      "C:\Users\Admin\AppData\Roaming\XenoManager\Svchosts.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1988
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4324,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=4076 /prefetch:8
    1⤵
      PID:3120

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      226B

      MD5

      916851e072fbabc4796d8916c5131092

      SHA1

      d48a602229a690c512d5fdaf4c8d77547a88e7a2

      SHA256

      7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

      SHA512

      07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

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

      Filesize

      45KB

      MD5

      283c2f66ccef3a27a10e74fe8f063918

      SHA1

      ca9387655ff9b533dd36cf5641fd4eb8f88fb999

      SHA256

      f770b7e25d959f700c9119cb1d9a5ef444634a335ea9f230f06b51fdaa487ad1

      SHA512

      8243d21a66c6d52cc09d16403e7efd643fd292c7b22559472df5ea96532701799b4900527c10e8a0fee2226dfd959b0d662fffb0b9da4af0aebdbaf70756386f

    • memory/960-0-0x00000000744BE000-0x00000000744BF000-memory.dmp

      Filesize

      4KB

    • memory/960-1-0x0000000000C40000-0x0000000000C52000-memory.dmp

      Filesize

      72KB

    • memory/1988-15-0x00000000744B0000-0x0000000074C60000-memory.dmp

      Filesize

      7.7MB

    • memory/1988-16-0x00000000744B0000-0x0000000074C60000-memory.dmp

      Filesize

      7.7MB

    • memory/1988-17-0x00000000744B0000-0x0000000074C60000-memory.dmp

      Filesize

      7.7MB