Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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

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 9 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:1812
    • 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:3044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1812-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

    Filesize

    4KB

  • memory/1812-1-0x0000000000CB0000-0x0000000000D6C000-memory.dmp

    Filesize

    752KB

  • memory/1812-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1812-3-0x0000000000760000-0x000000000077A000-memory.dmp

    Filesize

    104KB

  • memory/1812-4-0x00000000004C0000-0x00000000004D0000-memory.dmp

    Filesize

    64KB

  • memory/1812-5-0x0000000004C50000-0x0000000004CD2000-memory.dmp

    Filesize

    520KB

  • memory/1812-22-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3044-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3044-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3044-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3044-21-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3044-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3044-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3044-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/3044-23-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3044-24-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB