Analysis

  • max time kernel
    148s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-06-2024 07:18

General

  • Target

    YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe

  • Size

    595KB

  • MD5

    ee4bf41b907bc392d81019a6a94949bf

  • SHA1

    0b938cc890947766c5133f46225acee30bf08bc4

  • SHA256

    15c04e22491f8e845da0adff79abd677fc12388ccea0f7c031c679ef175e3228

  • SHA512

    e3e66239827ee024217e04863f62bd6aad302f1049b4c337ba9bd14d790ec01c4c2e85c7c7a28f929f1bdde797967f6ca2f08bd32770bb319cfb378bd23e5184

  • SSDEEP

    12288:vaw2pkEVVr3/sqHj4QOnubaa4PICGZiFIYKP/7IBy:vOLTP/D4im7PICGgyVPsBy

Malware Config

Extracted

Family

agenttesla

Credentials

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 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe
    "C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:700
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4612
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
        PID:384

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/700-9-0x00007FFE7DFB0000-0x00007FFE7EA71000-memory.dmp

      Filesize

      10.8MB

    • memory/700-0-0x00000271AFF70000-0x00000271AFF7A000-memory.dmp

      Filesize

      40KB

    • memory/700-2-0x00000271CA4D0000-0x00000271CA564000-memory.dmp

      Filesize

      592KB

    • memory/700-3-0x00007FFE7DFB0000-0x00007FFE7EA71000-memory.dmp

      Filesize

      10.8MB

    • memory/700-1-0x00007FFE7DFB3000-0x00007FFE7DFB5000-memory.dmp

      Filesize

      8KB

    • memory/4612-8-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB

    • memory/4612-5-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

      Filesize

      4KB

    • memory/4612-7-0x0000000005240000-0x00000000052A6000-memory.dmp

      Filesize

      408KB

    • memory/4612-6-0x00000000057F0000-0x0000000005D94000-memory.dmp

      Filesize

      5.6MB

    • memory/4612-4-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4612-10-0x0000000006230000-0x0000000006280000-memory.dmp

      Filesize

      320KB

    • memory/4612-11-0x0000000006320000-0x00000000063B2000-memory.dmp

      Filesize

      584KB

    • memory/4612-12-0x00000000064E0000-0x00000000064EA000-memory.dmp

      Filesize

      40KB

    • memory/4612-13-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

      Filesize

      4KB

    • memory/4612-14-0x0000000074D50000-0x0000000075500000-memory.dmp

      Filesize

      7.7MB