General

  • Target
    05082026_0706_21072026_Dekont.js.7z
  • Size 893KB
  • Sample260805-hw6vda1fjb
  • SHA256 253b70c2f24a3ef43d19b94e5f6d825d360280aade038e5f666be79505f73d35
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot8865620681:AAEx6PdUMuXTUW8C1hK7hZzleHeju1iYWJ4/

Extracted

Family
  • darkcloud

Version
  • 5.0

Attributes

Targets

    • Target
      Dekont.exe
    • Size 928KB
    • SHA256 1203b91790fca9a278e54674db530c661f7f6a1e885e2844e9811e1b5c07d66d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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 Microsoft Outlook profiles

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    • Suspicious use of SetThreadContext

    • Target
      Dekont.js
    • Size 69KB
    • SHA256 dd1b5e3dbe8d34cdc690099ef33e13c35ef1b7ce57871b0fc46a699065020f1b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: DarkCloud

      An information stealer written in Visual Basic.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Executes a VBScript file via the Windows Script Host.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks