General

  • Target
    Rebel.7z
  • Size 8.0MB
  • Sample240903-ydz7waveqj
  • SHA256 ebf1f88870aadeb5f22a893b6670c6ac9aaccef37dad26317e000146e3cc8a41
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Botnet
  • Default

C2
  • 127.0.0.1:6606

  • 127.0.0.1:7707

  • 127.0.0.1:8808

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      Rebel.7z
    • Size 8.0MB
    • SHA256 ebf1f88870aadeb5f22a893b6670c6ac9aaccef37dad26317e000146e3cc8a41
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      Rebel/Bin/Injector.exe
    • Size 4.8MB
    • SHA256 7450c90fad1d9ed73652c7fee391adb41ee2c62d5d43f3bdcab945e3fdec5485
    • MD5 SHA1 SHA512 SSDEEP
    Score
    5/10
    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      Rebel/Bin/Rebel.dll
    • Size 8.6MB
    • SHA256 c9b95b9204234edfab46912d21953e3a6985a6b7d50c4fd63372e3d5361c7f3d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Rebel/FastColoredTextBox.dll
    • Size 323KB
    • SHA256 ac926c92ccfc3789a5ae571cc4415eb1897d500a79604d8495241c19acdf01b9
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Rebel/FastColoredTextBox.xml
    • Size 132KB
    • SHA256 f3f2e537065317b6ce66dac64042e925bbcea65f00561f9860b7172c9ca07027
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      Rebel/ReadMe.txt
    • Size 13B
    • SHA256 4ca7414e2aba6d74826403afb6ccbcc1752297a1b61aced8808b75d80d212f2d
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      Rebel/RebelCracked.exe
    • Size 154KB
    • SHA256 439096c4077b5a1ad2e2ad232fdaeeece05a72e6a69c16d11a624b665dc428f3
    • MD5 SHA1 SHA512 SSDEEP
    • AsyncRat

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

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Async RAT payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Target
      Rebel/System.CodeDom.dll
    • Size 30KB
    • SHA256 e8c88b0448083663910587efeacb6a1977749fe3ffe83b263fc01f7b63d7dfd2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Rebel/System.CodeDom.xml
    • Size 366KB
    • SHA256 92287105a0987fc6ea2404e799da13f2d57b228a1fa3039a6d0cded00d4344c5
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks