Analysis

  • max time kernel
    54s
  • max time network
    56s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-08-2024 12:12

General

  • Target

    RetardScript_v3.24.523.exe

  • Size

    45KB

  • MD5

    1f6106784cc64d2c97a8eb2ba81198f4

  • SHA1

    9fb82fb9aab5fcc6f55d991260ab6312f8d1a1b0

  • SHA256

    91b31fde4f5195f9d8d5ce980f029bdb89a6c9e9120c0258ae058ac7a621d4eb

  • SHA512

    4ff2c2b5374f422ee18d8b3c9d45a4f91d0dee8d8f34b1a1c7623ad6410999d2ded4aa3ffce2d6ff299ac4cff1f21f7ff39f1cc5558f435a5a85a7ea7a36e2c0

  • SSDEEP

    768:kdhO/poiiUcjlJInGFH9Xqk5nWEZ5SbTDaeWI7CPW5i:+w+jjgn2H9XqcnW85SbTvWIa

Malware Config

Extracted

Family

xenorat

C2

147.185.221.19

Mutex

5aafKEYsYk

Attributes
  • delay

    5000

  • install_path

    temp

  • port

    4748

  • startup_name

    JavaW

Signatures

  • 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\RetardScript_v3.24.523.exe
    "C:\Users\Admin\AppData\Local\Temp\RetardScript_v3.24.523.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3076
    • C:\Users\Admin\AppData\Local\Temp\XenoManager\RetardScript_v3.24.523.exe
      "C:\Users\Admin\AppData\Local\Temp\XenoManager\RetardScript_v3.24.523.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1004
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "JavaW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp88B8.tmp" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5080

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RetardScript_v3.24.523.exe.log

    Filesize

    226B

    MD5

    916851e072fbabc4796d8916c5131092

    SHA1

    d48a602229a690c512d5fdaf4c8d77547a88e7a2

    SHA256

    7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

    SHA512

    07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

  • C:\Users\Admin\AppData\Local\Temp\XenoManager\RetardScript_v3.24.523.exe

    Filesize

    45KB

    MD5

    1f6106784cc64d2c97a8eb2ba81198f4

    SHA1

    9fb82fb9aab5fcc6f55d991260ab6312f8d1a1b0

    SHA256

    91b31fde4f5195f9d8d5ce980f029bdb89a6c9e9120c0258ae058ac7a621d4eb

    SHA512

    4ff2c2b5374f422ee18d8b3c9d45a4f91d0dee8d8f34b1a1c7623ad6410999d2ded4aa3ffce2d6ff299ac4cff1f21f7ff39f1cc5558f435a5a85a7ea7a36e2c0

  • C:\Users\Admin\AppData\Local\Temp\tmp88B8.tmp

    Filesize

    1KB

    MD5

    952717bef705e3dc38472edf478d0942

    SHA1

    1d164981f80c388f316a846d8851cd5105ce0a91

    SHA256

    7e1153e6d43f1590ce02a57786f0699e7a6b9426918bd2dfd2c48dafd7daf539

    SHA512

    2bffa804f14876a8389631047fb83705e5f5ab04755266c9320e57499e940cac251456d3003da8bb26f2a6cbde92e035ecc2b01b9a699f3ff261a75ad6bce091

  • memory/1004-15-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/1004-18-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/1004-19-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/3076-0-0x000000007449E000-0x000000007449F000-memory.dmp

    Filesize

    4KB

  • memory/3076-1-0x0000000000640000-0x0000000000652000-memory.dmp

    Filesize

    72KB