Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    19-12-2024 19:16

General

  • Target

    Release.zip

  • Size

    6.4MB

  • MD5

    89661a9ff6de529497fec56a112bf75e

  • SHA1

    2dd31a19489f4d7c562b647f69117e31b894b5c3

  • SHA256

    e7b275d70655db9cb43fa606bbe2e4f22478ca4962bbf9f299d66eda567d63cd

  • SHA512

    33c765bf85fbec0e58924ece948b80a7d73b7577557eaac8865e481c61ad6b71f8b5b846026103239b3bd21f438ff0d7c1430a51a4a149f16a215faad6dab68f

  • SSDEEP

    196608:SYNI1S7C6S230UwVLW83FUSA7WQZzwM3/C2cM7m2:rNIs7CDvB1USA7WS/vcx2

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 2 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.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Release.zip"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Users\Admin\AppData\Local\Temp\7zO4BB04548\xeno rat client.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO4BB04548\xeno rat client.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2900
    • C:\Users\Admin\AppData\Local\Temp\7zO4BB0EB08\xeno rat client.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO4BB0EB08\xeno rat client.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3152
    • C:\Users\Admin\AppData\Local\Temp\7zO4BB669C8\xeno rat server.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO4BB669C8\xeno rat server.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:572
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /0
    1⤵
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zO4BB04548\xeno rat client.exe

    Filesize

    46KB

    MD5

    d23d8120af87a615a456a12b43d4a98a

    SHA1

    73b41123d6f50aecdcf1c5e87a7d0319d753b0e7

    SHA256

    27178a08e0d8fb6e5e31ae9bff6194a5224406666fa1f528d4719c1e4a8efd67

    SHA512

    99026704fef97f9f9c01348310f199ad523851e105c7ea1f39312c7370cb6e50af5044fec1041298b96b6e661ac5f48d6af80687e21364806e62738d198ad319

  • C:\Users\Admin\AppData\Local\Temp\7zO4BB669C8\xeno rat server.exe

    Filesize

    2.0MB

    MD5

    3987ee127f2a2cf8a29573d4e111a8e8

    SHA1

    fc253131e832297967f93190217f0ce403e38cb0

    SHA256

    3d00a800474ddf382212e003222805bd74665b69cec43b554f91c3cd9edf04c4

    SHA512

    69d5ac7a691dde1a3ed7f495e9b9180e63152ddaaa3d1b596ad9cbeb4d7b088f3fc4b138ecf87070014cdfa9047be18940b720de60642389921a10053250787b

  • memory/572-69-0x0000000008220000-0x0000000008232000-memory.dmp

    Filesize

    72KB

  • memory/572-72-0x00000000095B0000-0x0000000009907000-memory.dmp

    Filesize

    3.3MB

  • memory/572-71-0x0000000009150000-0x0000000009172000-memory.dmp

    Filesize

    136KB

  • memory/572-70-0x0000000009060000-0x0000000009112000-memory.dmp

    Filesize

    712KB

  • memory/572-75-0x0000000009B10000-0x0000000009C34000-memory.dmp

    Filesize

    1.1MB

  • memory/572-76-0x0000000009C40000-0x0000000009C5A000-memory.dmp

    Filesize

    104KB

  • memory/572-68-0x0000000008200000-0x000000000821A000-memory.dmp

    Filesize

    104KB

  • memory/572-67-0x0000000007FF0000-0x0000000008004000-memory.dmp

    Filesize

    80KB

  • memory/572-66-0x0000000004D00000-0x0000000004D0A000-memory.dmp

    Filesize

    40KB

  • memory/572-65-0x0000000004D10000-0x0000000004DA2000-memory.dmp

    Filesize

    584KB

  • memory/572-64-0x00000000053F0000-0x0000000005996000-memory.dmp

    Filesize

    5.6MB

  • memory/572-63-0x0000000000220000-0x0000000000422000-memory.dmp

    Filesize

    2.0MB

  • memory/2796-28-0x000002079A510000-0x000002079A511000-memory.dmp

    Filesize

    4KB

  • memory/2796-30-0x000002079A510000-0x000002079A511000-memory.dmp

    Filesize

    4KB

  • memory/2796-18-0x000002079A510000-0x000002079A511000-memory.dmp

    Filesize

    4KB

  • memory/2796-24-0x000002079A510000-0x000002079A511000-memory.dmp

    Filesize

    4KB

  • memory/2796-25-0x000002079A510000-0x000002079A511000-memory.dmp

    Filesize

    4KB

  • memory/2796-26-0x000002079A510000-0x000002079A511000-memory.dmp

    Filesize

    4KB

  • memory/2796-27-0x000002079A510000-0x000002079A511000-memory.dmp

    Filesize

    4KB

  • memory/2796-20-0x000002079A510000-0x000002079A511000-memory.dmp

    Filesize

    4KB

  • memory/2796-29-0x000002079A510000-0x000002079A511000-memory.dmp

    Filesize

    4KB

  • memory/2796-19-0x000002079A510000-0x000002079A511000-memory.dmp

    Filesize

    4KB

  • memory/2900-32-0x00000000746E0000-0x0000000074E91000-memory.dmp

    Filesize

    7.7MB

  • memory/2900-31-0x00000000746EE000-0x00000000746EF000-memory.dmp

    Filesize

    4KB

  • memory/2900-17-0x00000000746E0000-0x0000000074E91000-memory.dmp

    Filesize

    7.7MB

  • memory/2900-16-0x00000000009E0000-0x00000000009F2000-memory.dmp

    Filesize

    72KB

  • memory/2900-15-0x00000000746EE000-0x00000000746EF000-memory.dmp

    Filesize

    4KB