Overview

overview

10

Static

static

10

Solara.exe

windows7-x64

10

Solara.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 20:02

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General

  • Target

    Solara.exe

  • Size

    63KB

  • MD5

    6c9fa73d768bca2a8caa6be510efef95

  • SHA1

    0e86a3ce627b02263d1f9bd0a0e8d87f1014989f

  • SHA256

    e97fee577801ecbaf43de7c1709734a498d5c1f472d0e00bdd12a06a3621adfc

  • SHA512

    8b457bb7afe3ec80315dc041f66f873573d04a2aebc21adbdb4f0bafc5253534d212fdb8cdc7b9ed5630bfd05835f994dec5bdf859d473a127b29c08b6b95335

  • SSDEEP

    768:ijwu/n3jzh78J4C8A+XTSazcBRL5JTk1+T4KSBGHmDbD/ph0oXneGr/SugdpqKYC:CrzV4dSJYUbdh9huugdpqKmY7

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

run-neither.gl.at.ply.gg:33834

Attributes
  • delay

    1

  • install

    true

  • install_file

    xdwdSystem32.exe

  • install_folder

    %Temp%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Asyncrat family
    asyncrat
  • Async RAT payload 1 IoCs
    rat
  • 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).

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 10 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\Solara.exe
    "C:\Users\Admin\AppData\Local\Temp\Solara.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3184
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "xdwdSystem32" /tr '"C:\Users\Admin\AppData\Local\Temp\xdwdSystem32.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3892
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "xdwdSystem32" /tr '"C:\Users\Admin\AppData\Local\Temp\xdwdSystem32.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3268
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8D4C.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2184
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:32
      • C:\Users\Admin\AppData\Local\Temp\xdwdSystem32.exe
        "C:\Users\Admin\AppData\Local\Temp\xdwdSystem32.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8D4C.tmp.bat
    Filesize

    159B

    MD5

    629544f467e794c1d0ab00ff7904dc51

    SHA1

    71a748b014b5f12dbda6110cfdc17526670b1998

    SHA256

    18c2a1201993db3664c64932123414138a626a840a155926dddf0e2e5eb1b63d

    SHA512

    66bf9144913f3acc53f336f2220009da61b0e1d97ddb5f299a17292dc271087ab700911c1da1ad0cbf69426a6c37b9b61cae4fee7032d2376db53258bf85e1ec

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\xdwdSystem32.exe
    Filesize

    63KB

    MD5

    6c9fa73d768bca2a8caa6be510efef95

    SHA1

    0e86a3ce627b02263d1f9bd0a0e8d87f1014989f

    SHA256

    e97fee577801ecbaf43de7c1709734a498d5c1f472d0e00bdd12a06a3621adfc

    SHA512

    8b457bb7afe3ec80315dc041f66f873573d04a2aebc21adbdb4f0bafc5253534d212fdb8cdc7b9ed5630bfd05835f994dec5bdf859d473a127b29c08b6b95335

    Download Submit

  • memory/3184-0-0x00007FF98C823000-0x00007FF98C825000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3184-1-0x0000000000030000-0x0000000000046000-memory.dmp

    Filesize

    88KB

    Download

  • memory/3184-2-0x00007FF98C820000-0x00007FF98D2E1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3184-7-0x00007FF98C820000-0x00007FF98D2E1000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3184-8-0x00007FF98C820000-0x00007FF98D2E1000-memory.dmp

    Filesize

    10.8MB

    Download