Analysis

  • max time kernel
    60s
  • max time network
    57s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    09-06-2023 09:44

General

  • Target

    NEW PO - 4610926543.exe

  • Size

    785KB

  • MD5

    440cd930743d1b0c91c6d7396eaf23e0

  • SHA1

    f2cbcde2047dbba83c4ba61543c1a10e4286cafc

  • SHA256

    65370cfa1e08f458d53cb661cf02054d9324f155a7bbf6505b4da5c2f9492385

  • SHA512

    997d4f9e3649d6daff61b54da347e4c79e61ecc8000ce57219800db7222c7dbded6ee2a59e93f71fd1650cf1fa7ca594cb22cdb9a04ac3f6a8e21b211ee48148

  • SSDEEP

    24576:50biRoSErVxIE5+wqAWxE3YSKeE6xna9I6vfY:5y4oRrjIw3qjnReP+vfY

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW PO - 4610926543.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW PO - 4610926543.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Users\Admin\AppData\Local\Temp\NEW PO - 4610926543.exe
      "C:\Users\Admin\AppData\Local\Temp\NEW PO - 4610926543.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1504

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1296-54-0x0000000000990000-0x0000000000A5A000-memory.dmp

    Filesize

    808KB

  • memory/1296-55-0x0000000000950000-0x0000000000990000-memory.dmp

    Filesize

    256KB

  • memory/1296-56-0x0000000001E60000-0x0000000001E76000-memory.dmp

    Filesize

    88KB

  • memory/1296-57-0x0000000000950000-0x0000000000990000-memory.dmp

    Filesize

    256KB

  • memory/1296-58-0x0000000000930000-0x000000000093C000-memory.dmp

    Filesize

    48KB

  • memory/1296-59-0x0000000005700000-0x000000000576A000-memory.dmp

    Filesize

    424KB

  • memory/1296-60-0x00000000044D0000-0x0000000004504000-memory.dmp

    Filesize

    208KB

  • memory/1504-61-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1504-62-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1504-63-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1504-64-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1504-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1504-66-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1504-68-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1504-70-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1504-71-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB

  • memory/1504-72-0x0000000004BA0000-0x0000000004BE0000-memory.dmp

    Filesize

    256KB