Analysis

  • max time kernel
    100s
  • max time network
    26s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/11/2020, 20:55

General

  • Target
    RFQATCL0212JUO1620011FCB3062.exe
  • Size 627KB
  • Sample201109-cglffcmfmj
  • SHA256 02565f29151b77e4c3fe5832c9deea1996b52386d87338cce23fd6c8a0f4bd82
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.faithhopaendimages.com

  • Port

    587

  • Password

    UdWklww7

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQATCL0212JUO1620011FCB3062.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQATCL0212JUO1620011FCB3062.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Users\Admin\AppData\Local\Temp\RFQATCL0212JUO1620011FCB3062.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQATCL0212JUO1620011FCB3062.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1336

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1336-6-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1336-8-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1336-9-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1336-10-0x0000000073F40000-0x000000007462E000-memory.dmp

        memory/1744-0-0x0000000073F40000-0x000000007462E000-memory.dmp

        memory/1744-1-0x0000000000170000-0x0000000000171000-memory.dmp

        memory/1744-3-0x00000000004A0000-0x00000000004AE000-memory.dmp

        memory/1744-4-0x00000000004B0000-0x00000000004B2000-memory.dmp

        memory/1744-5-0x00000000004D0000-0x00000000004D2000-memory.dmp