Overview

overview

10

Static

static

10

SteamUDP.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    59s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-07-2024 00:27

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General

  • Target

    SteamUDP.exe

  • Size

    45KB

  • MD5

    71f93439066552063011b27f448fc1ce

  • SHA1

    afd983b5d3a34ba29ef18d7675e617b9a6da724f

  • SHA256

    5379f50c0b4b3a28641354e048b51278dd10519f50e081a07bbe8f0d4f22a5ad

  • SHA512

    ac56596bb93e61d240933353a1d3fd1d5a64dce97e13d381b94190f312ec57be856cd3fdd08c685d6960d734518514b7ecf69284e6371fe8fd96480ae1d76be3

  • SSDEEP

    768:9dhO/poiiUcjlJInbzH9Xqk5nWEZ5SbTDa+WI7CPW5w:zw+jjgnXH9XqcnW85SbT/WIY

Score
10/10
xenoratrattrojan

Malware Config

Extracted

Family

xenorat

C2

37.120.141.155

Mutex

SteamUDP

Attributes
  • delay

    5000

  • install_path

    temp

  • port

    22914

  • startup_name

    SteamUDPUpdater

Signatures

  • XenorRat

    XenorRat is a remote access trojan written in C#.

    trojanratxenorat
  • 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).

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SteamUDP.exe
    "C:\Users\Admin\AppData\Local\Temp\SteamUDP.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3404
    • C:\Users\Admin\AppData\Local\Temp\XenoManager\SteamUDP.exe
      "C:\Users\Admin\AppData\Local\Temp\XenoManager\SteamUDP.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2304
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "SteamUDPUpdater" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6E3B.tmp" /F
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2588

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

    226B

    MD5

    916851e072fbabc4796d8916c5131092

    SHA1

    d48a602229a690c512d5fdaf4c8d77547a88e7a2

    SHA256

    7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

    SHA512

    07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\XenoManager\SteamUDP.exe
    Filesize

    45KB

    MD5

    71f93439066552063011b27f448fc1ce

    SHA1

    afd983b5d3a34ba29ef18d7675e617b9a6da724f

    SHA256

    5379f50c0b4b3a28641354e048b51278dd10519f50e081a07bbe8f0d4f22a5ad

    SHA512

    ac56596bb93e61d240933353a1d3fd1d5a64dce97e13d381b94190f312ec57be856cd3fdd08c685d6960d734518514b7ecf69284e6371fe8fd96480ae1d76be3

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp6E3B.tmp
    Filesize

    1KB

    MD5

    3e416c7f65c19033c2c17e7f0bc2bfd8

    SHA1

    edc2d8b19e94e8d29579baf5e01c5fe057425712

    SHA256

    fb1d16435bee9ea3fa3d171f3d01818c1c1dd3ce5e47d9292c7b0089ad6f2773

    SHA512

    debae6c61bcf8e34575d4eec2334c27b0205b5a6b428e9f17ff25a55bea845bb5131c68f0ba7384e781b2b9d2dfd1eb2ce93aef47d4fe2dee34a21c147973524

    Download Submit
  • memory/2304-15-0x0000000075140000-0x00000000758F0000-memory.dmp
    Filesize

    7.7MB

    Download
  • memory/2304-18-0x00000000056D0000-0x0000000005736000-memory.dmp
    Filesize

    408KB

    Download
  • memory/2304-19-0x0000000075140000-0x00000000758F0000-memory.dmp
    Filesize

    7.7MB

    Download
  • memory/2304-20-0x0000000075140000-0x00000000758F0000-memory.dmp
    Filesize

    7.7MB

    Download
  • memory/2304-21-0x00000000056C0000-0x00000000056CA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/2304-22-0x0000000006040000-0x00000000065E4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2304-23-0x0000000005B90000-0x0000000005C22000-memory.dmp
    Filesize

    584KB

    Download
  • memory/3404-0-0x000000007514E000-0x000000007514F000-memory.dmp
    Filesize

    4KB

    Download
  • memory/3404-1-0x0000000000240000-0x0000000000252000-memory.dmp
    Filesize

    72KB

    Download