General

  • Target

    malicious_binary.exe.donotrun

  • Size

    112KB

  • Sample

    200605-wbqbdl7222

  • MD5

    61348f2441c23882342e38f89b366d99

  • SHA1

    604504eae8ecb59dfb91c5c7403488b9b95843f8

  • SHA256

    d725785ec3970b75ecb17a7e5ac14d93ce7a54d259dffc74e8222ed8cfb8b6b3

  • SHA512

    5238ebfc7cad76d503a3329b43778c55aac9b784d95a7a060752a381054b40d4528d9ec9a4ad1d14a3c14a40e3091ca3fb7a965dd2736b4b674b2a0946fa3937

Malware Config

Extracted

Path

C:\Users\Admin\AppData\LocalLow\machineinfo.txt

Family

raccoon

Ransom Note
[Raccoon Stealer] - v1.5.11 Release Build compiled on Fri May 8 14:39:40 2020 Launched at: 2020.06.05 - 09:42:48 GMT Bot_ID: 58B98E61-8F0C-4164-9CA8-CBDF20304A02_Admin Running on a desktop =R=A=C=C=O=O=N= System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.13 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: DJRWGDLZ - Username: Admin - Windows version: NT 6.1 - Product name: Windows 7 Professional - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 2047 MB (472 MB used) - Screen resolution: 1280x720 - Display devices: 0) Standard VGA Graphics Adapter ============

Extracted

Family

asyncrat

Version

0.5.7B

C2

tamera.ug:6970

asdxcvxdfgdnbvrwe.ru:6970

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    5sETivXjVSkYQrZDbnr0EF5GkUKY9RJq

  • anti_detection

    false

  • autorun

    false

  • bdos

    false

  • delay

    Default

  • host

    tamera.ug,asdxcvxdfgdnbvrwe.ru

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    null

  • port

    6970

  • version

    0.5.7B

aes.plain

Extracted

Path

C:\Users\Admin\AppData\LocalLow\machineinfo.txt

Family

raccoon

Ransom Note
[Raccoon Stealer] - v1.5.11 Release Build compiled on Fri May 8 14:39:40 2020 Launched at: 2020.06.05 - 09:42:45 GMT Bot_ID: 3E009A64-65D7-465C-9098-F2673DD3F416_Admin Running on a desktop =R=A=C=C=O=O=N= System Information: - System Language: English - System TimeZone: -0 hrs - IP: 154.61.71.13 - Location: 37.750999, -97.821999 | ?, ?, United States (?) - ComputerName: OWZMOTQA - Username: Admin - Windows version: NT 10.0 - Product name: Windows 10 Pro - System arch: x64 - CPU: Persocon Processor 2.5+ (2 cores) - RAM: 4095 MB (787 MB used) - Screen resolution: 1280x720 - Display devices: 0) Microsoft Basic Display Adapter ============

Targets

    • Target

      malicious_binary.exe.donotrun

    • Size

      112KB

    • MD5

      61348f2441c23882342e38f89b366d99

    • SHA1

      604504eae8ecb59dfb91c5c7403488b9b95843f8

    • SHA256

      d725785ec3970b75ecb17a7e5ac14d93ce7a54d259dffc74e8222ed8cfb8b6b3

    • SHA512

      5238ebfc7cad76d503a3329b43778c55aac9b784d95a7a060752a381054b40d4528d9ec9a4ad1d14a3c14a40e3091ca3fb7a965dd2736b4b674b2a0946fa3937

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Netwire

      Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

    • Oski

      Oski is an infostealer targeting browser data, crypto wallets.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • Raccoon log file

      Detects a log file produced by the Raccoon Stealer.

    • Async RAT payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Deletes itself

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks