Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11-05-2024 16:21

General

  • Target

    client.exe

  • Size

    45KB

  • MD5

    0964e2756ab7939430b382c4c748a4b6

  • SHA1

    3d367eb27f86dd5e306b7d8919592dcef10a3465

  • SHA256

    83f595dd0fa6b285fa753613b8bdf936f080ecf0b9689bf9705e5079868fbe2e

  • SHA512

    5d7b2be37baf03d240115ff75f77b5e5e6157e92fe52f31b4b35debc21765aa46a3467e2b75901f1a78b43b5cbc1ca894d85da1ccafe9cc8c8ebf97e7841955b

  • SSDEEP

    768:OdhO/poiiUcjlJInYTwH9Xqk5nWEZ5SbTDaSWI7CPW5p:Yw+jjgnJH9XqcnW85SbTLWIR

Score
10/10

Malware Config

Extracted

Family

xenorat

C2

ayumi-38161.portmap.host

Mutex

Xeno_rat_nd8912d

Attributes
  • delay

    3000

  • install_path

    temp

  • port

    38161

  • startup_name

    nothingset

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\client.exe
    "C:\Users\Admin\AppData\Local\Temp\client.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Users\Admin\AppData\Local\Temp\XenoManager\client.exe
      "C:\Users\Admin\AppData\Local\Temp\XenoManager\client.exe"
      2⤵
      • Executes dropped EXE
      PID:212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    226B

    MD5

    957779c42144282d8cd83192b8fbc7cf

    SHA1

    de83d08d2cca06b9ff3d1ef239d6b60b705d25fe

    SHA256

    0d7ca7ba65e2b465e4878e324ceab8f8981f5ec06dcf5bc32559a4467a9c7d51

    SHA512

    f1549c61b4f2906d13b2aabb74772c2bc826cd42373d7bb6c48cbb125d5aa2ec17617e6b5e67e8aae3bb5790cc831cdba48a45008ed01df4fba8be448cce39fd

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

    Filesize

    45KB

    MD5

    0964e2756ab7939430b382c4c748a4b6

    SHA1

    3d367eb27f86dd5e306b7d8919592dcef10a3465

    SHA256

    83f595dd0fa6b285fa753613b8bdf936f080ecf0b9689bf9705e5079868fbe2e

    SHA512

    5d7b2be37baf03d240115ff75f77b5e5e6157e92fe52f31b4b35debc21765aa46a3467e2b75901f1a78b43b5cbc1ca894d85da1ccafe9cc8c8ebf97e7841955b

  • memory/212-9-0x0000000073CF0000-0x00000000743DE000-memory.dmp

    Filesize

    6.9MB

  • memory/212-10-0x0000000073CF0000-0x00000000743DE000-memory.dmp

    Filesize

    6.9MB

  • memory/212-11-0x0000000073CF0000-0x00000000743DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1608-0-0x0000000073CFE000-0x0000000073CFF000-memory.dmp

    Filesize

    4KB

  • memory/1608-1-0x0000000000B60000-0x0000000000B72000-memory.dmp

    Filesize

    72KB