Overview

overview

10

Static

static

10

82e9e87e7e...93.exe

windows7-x64

10

82e9e87e7e...93.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/06/2024, 23:56

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General

  • Target

    82e9e87e7e46c834d08ce14395baf877d6ad62e5bee900184ba699cbc7080393.exe

  • Size

    64KB

  • MD5

    a9efb8440dbd7b17e61dd777bbd561d9

  • SHA1

    0706477d61db1419034e80a65f1bb3336e5de485

  • SHA256

    82e9e87e7e46c834d08ce14395baf877d6ad62e5bee900184ba699cbc7080393

  • SHA512

    6ef279b3343bc0702e7645f4c1eadc82651d52ad3a709c49dfc874246d266b6a59ddd6ef1059bbaba7aba4758f12579b7207fe5bd6f183214414c5c294e8b764

  • SSDEEP

    1536:3YY5CyFc7KBCyDCfkYqSufbRo+7iyjA7nOLVQszse2:3YY84BCGCfkYqSYbRFEnOL20se2

Score
10/10
xwormpersistencerattrojan

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    Solara.exe

  • pastebin_url

    https://pastebin.com/qpB6hEFt

  • telegram

    https://api.telegram.org/bot6552294168:AAE8W0wx7wB9Mqkq2LoOz_YDua7Nm_XgpVU/sendMessage?chat_id=6443295666

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Detects Windows executables referencing non-Windows User-Agents 2 IoCs
  • Detects executables using Telegram Chat Bot 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 9 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\82e9e87e7e46c834d08ce14395baf877d6ad62e5bee900184ba699cbc7080393.exe
    "C:\Users\Admin\AppData\Local\Temp\82e9e87e7e46c834d08ce14395baf877d6ad62e5bee900184ba699cbc7080393.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Solara" /tr "C:\Users\Admin\AppData\Local\Solara.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2160
  • C:\Users\Admin\AppData\Local\Solara.exe
    C:\Users\Admin\AppData\Local\Solara.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4176
  • C:\Users\Admin\AppData\Local\Solara.exe
    C:\Users\Admin\AppData\Local\Solara.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1864

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          654B

          MD5

          2ff39f6c7249774be85fd60a8f9a245e

          SHA1

          684ff36b31aedc1e587c8496c02722c6698c1c4e

          SHA256

          e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

          SHA512

          1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

          Download Submit

        • C:\Users\Admin\AppData\Local\Solara.exe
          Filesize

          64KB

          MD5

          a9efb8440dbd7b17e61dd777bbd561d9

          SHA1

          0706477d61db1419034e80a65f1bb3336e5de485

          SHA256

          82e9e87e7e46c834d08ce14395baf877d6ad62e5bee900184ba699cbc7080393

          SHA512

          6ef279b3343bc0702e7645f4c1eadc82651d52ad3a709c49dfc874246d266b6a59ddd6ef1059bbaba7aba4758f12579b7207fe5bd6f183214414c5c294e8b764

          Download Submit

        • memory/4176-12-0x00007FFCCB8F0000-0x00007FFCCC3B1000-memory.dmp

          Filesize

          10.8MB

          Download

        • memory/4176-14-0x00007FFCCB8F0000-0x00007FFCCC3B1000-memory.dmp

          Filesize

          10.8MB

          Download

        • memory/4808-0-0x00007FFCCB8F3000-0x00007FFCCB8F5000-memory.dmp

          Filesize

          8KB

          Download

        • memory/4808-1-0x00000000004B0000-0x00000000004C6000-memory.dmp

          Filesize

          88KB

          Download

        • memory/4808-2-0x00007FFCCB8F0000-0x00007FFCCC3B1000-memory.dmp

          Filesize

          10.8MB

          Download

        • memory/4808-7-0x00007FFCCB8F3000-0x00007FFCCB8F5000-memory.dmp

          Filesize

          8KB

          Download

        • memory/4808-8-0x00007FFCCB8F0000-0x00007FFCCC3B1000-memory.dmp

          Filesize

          10.8MB

          Download