Analysis

  • max time kernel
    121s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    28/12/2020, 08:01

General

  • Target
    Swift_28960_Ziraat_Bankasi_5A186F_IMG.exe
  • Size 13.3MB
  • Sample201228-b437b3e5vs
  • SHA256 977f77728f1783062f8c072096f0b7535ec74f686c3e40db5dc78766edabffeb
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • 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.

  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift_28960_Ziraat_Bankasi_5A186F_IMG.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift_28960_Ziraat_Bankasi_5A186F_IMG.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:3564
    • C:\Users\Admin\AppData\Local\Temp\Swift_28960_Ziraat_Bankasi_5A186F_IMG.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift_28960_Ziraat_Bankasi_5A186F_IMG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:744

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/744-2-0x0000000000400000-0x0000000000449000-memory.dmp

        memory/744-4-0x0000000000400000-0x0000000000449000-memory.dmp

        memory/744-5-0x0000000002280000-0x0000000002281000-memory.dmp

        memory/744-6-0x0000000073950000-0x000000007403E000-memory.dmp

        memory/744-7-0x00000000024E0000-0x000000000252D000-memory.dmp

        memory/744-8-0x0000000004C30000-0x0000000004C31000-memory.dmp

        memory/744-9-0x0000000004AA0000-0x0000000004AEC000-memory.dmp

        memory/744-10-0x0000000005130000-0x0000000005131000-memory.dmp

        memory/744-11-0x00000000057C0000-0x00000000057C1000-memory.dmp

        memory/744-12-0x0000000005800000-0x0000000005801000-memory.dmp

        memory/744-13-0x0000000005CB0000-0x0000000005CB1000-memory.dmp

        memory/744-14-0x0000000005AD0000-0x0000000005AD1000-memory.dmp