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Resubmissions

09/01/2025, 21:24

250109-z8572s1qbs 10

09/01/2025, 21:21

250109-z7apratmar 10

Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/01/2025, 21:24

General

  • Target

    XenoRat 1.8.7.7z

  • Size

    4.7MB

  • MD5

    09f1da481eac710c27d4053e6f4a06d3

  • SHA1

    04d7832bb566e776f60998fad380d16c56553438

  • SHA256

    6fc3870e9addfde6c38be21602172a0404244e05e013db1c65aca737eb47969a

  • SHA512

    769bfd09bcf4e60e52b66a4bba200d3996f8ee5628aa80b9a38dc6c44073350dba10d5a194768069de1d08c618e8a03c94f155f0cfe9d9b1ef49999d3650797f

  • SSDEEP

    98304:cyoG7UgKzeoYW1u+ecKDDA9NUCIIdjzuvc6QPggDhPxHlmKUlm:cyowUgKzeoLFEINOcpfWm

Malware Config

Extracted

Family

xenorat

C2

localhost

Mutex

testing 123123

Attributes
  • delay

    1000

  • install_path

    nothingset

  • port

    1234

  • startup_name

    nothingset

Signatures

  • Detect XenoRat Payload 3 IoCs
  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Xenorat family
  • Executes dropped EXE 3 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.

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\XenoRat 1.8.7.7z"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Users\Admin\AppData\Local\Temp\7zOCE4732D6\xeno rat client.exe
      "C:\Users\Admin\AppData\Local\Temp\7zOCE4732D6\xeno rat client.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2756
    • C:\Users\Admin\AppData\Local\Temp\7zOCE422E07\xeno rat client.exe
      "C:\Users\Admin\AppData\Local\Temp\7zOCE422E07\xeno rat client.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2648
    • C:\Users\Admin\AppData\Local\Temp\7zOCE46BE17\xeno rat server.exe
      "C:\Users\Admin\AppData\Local\Temp\7zOCE46BE17\xeno rat server.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2812
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:2884

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\7zOCE46BE17\xeno rat server.exe

      Filesize

      2.0MB

      MD5

      3987ee127f2a2cf8a29573d4e111a8e8

      SHA1

      fc253131e832297967f93190217f0ce403e38cb0

      SHA256

      3d00a800474ddf382212e003222805bd74665b69cec43b554f91c3cd9edf04c4

      SHA512

      69d5ac7a691dde1a3ed7f495e9b9180e63152ddaaa3d1b596ad9cbeb4d7b088f3fc4b138ecf87070014cdfa9047be18940b720de60642389921a10053250787b

    • C:\Users\Admin\AppData\Local\Temp\7zOCE4732D6\xeno rat client.exe

      Filesize

      46KB

      MD5

      d23d8120af87a615a456a12b43d4a98a

      SHA1

      73b41123d6f50aecdcf1c5e87a7d0319d753b0e7

      SHA256

      27178a08e0d8fb6e5e31ae9bff6194a5224406666fa1f528d4719c1e4a8efd67

      SHA512

      99026704fef97f9f9c01348310f199ad523851e105c7ea1f39312c7370cb6e50af5044fec1041298b96b6e661ac5f48d6af80687e21364806e62738d198ad319

    • memory/1260-2-0x0000000003A10000-0x0000000003A20000-memory.dmp

      Filesize

      64KB

    • memory/2648-28-0x0000000000980000-0x0000000000992000-memory.dmp

      Filesize

      72KB

    • memory/2756-15-0x0000000000A10000-0x0000000000A22000-memory.dmp

      Filesize

      72KB

    • memory/2812-42-0x0000000000610000-0x0000000000624000-memory.dmp

      Filesize

      80KB

    • memory/2812-41-0x0000000000AC0000-0x0000000000CC2000-memory.dmp

      Filesize

      2.0MB

    • memory/2812-44-0x0000000000690000-0x00000000006A2000-memory.dmp

      Filesize

      72KB

    • memory/2812-43-0x0000000000620000-0x000000000063A000-memory.dmp

      Filesize

      104KB

    • memory/2812-45-0x00000000061E0000-0x0000000006292000-memory.dmp

      Filesize

      712KB

    • memory/2812-49-0x0000000006360000-0x0000000006484000-memory.dmp

      Filesize

      1.1MB

    • memory/2812-50-0x0000000002390000-0x00000000023AA000-memory.dmp

      Filesize

      104KB

    • memory/2812-51-0x0000000007300000-0x0000000007302000-memory.dmp

      Filesize

      8KB