Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/05/2024, 03:44

General

  • Target

    hesaphareketi-01-5202024.exe

  • Size

    321KB

  • MD5

    f5c6fb8f15c78849f6375d212eb1d696

  • SHA1

    cdb7176217f7a2bce3a28973f2a8a2f55c2c8bae

  • SHA256

    59c4c7e95c9549234661cc0c3a33de39958df413f3a408f3385e69fd669228fb

  • SHA512

    6b0c61a9c370f1ee020ffdf8957207d473fc8f8aded66dfc104df1ee269d2490e930981a3ed1324bc5c7489ae3403055e8c5ebe92b70d3a02e2513f38321406f

  • SSDEEP

    6144:rFsJwLYmQvBrOs653h9S4BgWLsn6xAxkTuKOcDOQmoBmIaY02z:QiYmQJys6Vh9SYJcmGk9KQKIaYtz

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.

  • Looks up external IP address via web service 2 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01-5202024.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01-5202024.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1244
    • 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:2188

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1244-0-0x000000007480E000-0x000000007480F000-memory.dmp

          Filesize

          4KB

        • memory/1244-1-0x00000000002D0000-0x0000000000326000-memory.dmp

          Filesize

          344KB

        • memory/1244-2-0x0000000000270000-0x00000000002C0000-memory.dmp

          Filesize

          320KB

        • memory/1244-3-0x00000000001E0000-0x00000000001EA000-memory.dmp

          Filesize

          40KB

        • memory/1244-16-0x0000000074800000-0x0000000074EEE000-memory.dmp

          Filesize

          6.9MB

        • memory/1244-15-0x0000000074800000-0x0000000074EEE000-memory.dmp

          Filesize

          6.9MB

        • memory/2188-14-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2188-13-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2188-10-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2188-7-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2188-6-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2188-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2188-5-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2188-4-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB