Analysis

  • max time kernel
    96s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    27-02-2021 19:51

General

  • Target

    New PO.pdf..exe

Malware Config

Signatures

  • AgentTesla

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

  • Drops file in Drivers directory 1 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New PO.pdf..exe
    "C:\Users\Admin\AppData\Local\Temp\New PO.pdf..exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1096

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1096-2-0x0000000074CF0000-0x00000000753DE000-memory.dmp
    Filesize

    6.9MB

  • memory/1096-3-0x0000000000930000-0x0000000000931000-memory.dmp
    Filesize

    4KB

  • memory/1096-5-0x0000000004420000-0x0000000004421000-memory.dmp
    Filesize

    4KB

  • memory/1096-6-0x0000000004421000-0x0000000004422000-memory.dmp
    Filesize

    4KB