Analysis

  • max time kernel
    72s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2022 14:20

General

  • Target

    baa6318542fec07e6a7ee6bbdccbfa99519c4b76fe6d57bf573c6d33d943db9a.exe

  • Size

    734KB

  • MD5

    b66de3f2760e8eba638193617f873f7a

  • SHA1

    875b014ee18bd2e367a2b3b196f9967ab50e704e

  • SHA256

    baa6318542fec07e6a7ee6bbdccbfa99519c4b76fe6d57bf573c6d33d943db9a

  • SHA512

    5bb89eb439361cc2ad6c52f7e2aad89c61463b04cfbd96541ebb23843f8b783ad2830c233d77002ce961fa7c2fb5d8c9b4517128a203b0df4e04400ca8683dc3

  • SSDEEP

    12288:WKldyk92iNQjUvLlEKAOdt4tsv3OYiXRa312hWnHUqNuFDD234yNStvwLUkQBe3t:ByQ1VvLdAOQ4lm2LkFD/y6IFEwmA

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\baa6318542fec07e6a7ee6bbdccbfa99519c4b76fe6d57bf573c6d33d943db9a.exe
    "C:\Users\Admin\AppData\Local\Temp\baa6318542fec07e6a7ee6bbdccbfa99519c4b76fe6d57bf573c6d33d943db9a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HUczKJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8891.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1380
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:268

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp8891.tmp

    Filesize

    1KB

    MD5

    6f8638c41acb38772d3de37ca21cabdb

    SHA1

    d6a653e2ceee6e176ed74e0c5e61d8a7c9acd4bf

    SHA256

    4395aa46c7052369094528928920a379591f48466fd1563d977b6710cab5adae

    SHA512

    eeba50888c92d43170b42e6d7201f93de7a630284d6730e3164db79be9e369695dec2f49f0e07716c4bc4abf234209f96003ba532df0bb727298e0cb77ead2fb

  • memory/268-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/268-66-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/268-71-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/268-69-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/268-67-0x0000000000437C7E-mapping.dmp

  • memory/268-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/268-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/268-62-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1048-54-0x0000000001320000-0x00000000013DE000-memory.dmp

    Filesize

    760KB

  • memory/1048-55-0x00000000759F1000-0x00000000759F3000-memory.dmp

    Filesize

    8KB

  • memory/1048-56-0x0000000000320000-0x0000000000332000-memory.dmp

    Filesize

    72KB

  • memory/1048-58-0x0000000000FA0000-0x0000000000FDC000-memory.dmp

    Filesize

    240KB

  • memory/1048-57-0x0000000004D90000-0x0000000004E0A000-memory.dmp

    Filesize

    488KB

  • memory/1380-59-0x0000000000000000-mapping.dmp