Overview

overview

10

Static

static

3

SunlightBo...er.exe

windows7-x64

10

SunlightBo...er.exe

windows10-2004-x64

10

Resubmissions

11-11-2024 13:51

241111-q54elszdrl 10

11-11-2024 13:41

241111-qy5zvstjer 10

11-11-2024 13:36

241111-qwhrjszdkn 10

11-11-2024 13:30

241111-qr3k6azcqp 10

Analysis

  • max time kernel
    1199s
  • max time network
    1200s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-11-2024 13:51

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Report Analysis Logs

General

  • Target

    SunlightBootstrapper.exe

  • Size

    1.8MB

  • MD5

    7c4f1852448b6217ca92deecaceb6247

  • SHA1

    23f8b47a3a5bbcadb7d01dd8a727e0c2c48c0848

  • SHA256

    8f6baf69e7e047012b20299cd4d3bf4f86eaee8c7f42fed6cb4a33b79ef51dd2

  • SHA512

    4ef4281529f2159761f11ad890da0f7d79e2513019a1fd717b312ef2fb0ef9d01a54cb07561e40b0c12edd46089a8228f977ebb2ac109939bdddda57fad2f812

  • SSDEEP

    24576:dsmUYlIZ2RBbEeUhk7Dz6rdnkYA1LUqBFJJCZm4E6+eQ:emUYlIckeUAGnmLtFaZ0pe

Score
10/10
asyncratdefaultdiscoveryevasionrattrojan

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

109.87.212.225:1337

Mutex

oIyMus9FxRxA

Attributes
  • delay

    3

  • install

    true

  • install_file

    dwm.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
  • Modifies security service 2 TTPs 2 IoCs
    evasion
  • Async RAT payload 1 IoCs
    rat
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Windows security modification 2 TTPs 5 IoCs
    evasiontrojan
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

    discovery
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • NTFS ADS 2 IoCs
  • 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: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 45 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: LoadsDriver 6 IoCs