Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-06-2024 13:32

General

  • Target

    CN-Invoice-0945413571-XXXXX6856-2312053735707600000.exe

  • Size

    731KB

  • MD5

    13fd9af2cbde45ff5d165a7a0453b32b

  • SHA1

    8d2123d6b05840cd829fe70a67e7fb18f070b669

  • SHA256

    306fdd40e13ae0d873d6faca343142b9b487b6b6be4db2dda48b6ed886e6e349

  • SHA512

    6789fb3aeb2d018fd3db4d4bc588f69a3208b9b4f91f662c80b9f278130a82a9f4f4d44000a4d235204ae8ccd949b2afa805e62a7a653ac99db1e022d223b47e

  • SSDEEP

    12288:njdXtfETFa1IxLAvSPKyDRvjaIPAFrM6h9r4in440fJEuRLVSbE261:jd92A1IxkvSPDwr59Bn440GuRLVj

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Qb.X[.j.Yfm[

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Qb.X[.j.Yfm[

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CN-Invoice-0945413571-XXXXX6856-2312053735707600000.exe
    "C:\Users\Admin\AppData\Local\Temp\CN-Invoice-0945413571-XXXXX6856-2312053735707600000.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Users\Admin\AppData\Local\Temp\CN-Invoice-0945413571-XXXXX6856-2312053735707600000.exe
      "C:\Users\Admin\AppData\Local\Temp\CN-Invoice-0945413571-XXXXX6856-2312053735707600000.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3092
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1420 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2144

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2920-8-0x0000000006DE0000-0x0000000006E62000-memory.dmp

      Filesize

      520KB

    • memory/2920-2-0x00000000056F0000-0x0000000005C94000-memory.dmp

      Filesize

      5.6MB

    • memory/2920-9-0x00000000094A0000-0x000000000953C000-memory.dmp

      Filesize

      624KB

    • memory/2920-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

      Filesize

      4KB

    • memory/2920-4-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2920-5-0x0000000005200000-0x000000000520A000-memory.dmp

      Filesize

      40KB

    • memory/2920-6-0x00000000056C0000-0x00000000056DA000-memory.dmp

      Filesize

      104KB

    • memory/2920-7-0x00000000056E0000-0x00000000056F0000-memory.dmp

      Filesize

      64KB

    • memory/2920-15-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2920-1-0x0000000000390000-0x000000000044C000-memory.dmp

      Filesize

      752KB

    • memory/2920-3-0x0000000005220000-0x00000000052B2000-memory.dmp

      Filesize

      584KB

    • memory/2920-13-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

      Filesize

      4KB

    • memory/3092-12-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3092-14-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3092-18-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3092-16-0x0000000005400000-0x0000000005466000-memory.dmp

      Filesize

      408KB

    • memory/3092-17-0x00000000061E0000-0x0000000006230000-memory.dmp

      Filesize

      320KB

    • memory/3092-10-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB