Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2023 01:39

General

  • Target

    922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9.exe

  • Size

    1.8MB

  • MD5

    37743628366e7f9f8f440feed89800c2

  • SHA1

    daa05f2e44fef51f018385d7bcc040e01af87206

  • SHA256

    922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9

  • SHA512

    e7aa8f10363798cdeba7a2134feee9b6c2e23f6a2ab17af41ce2ad517e48181834d93111cf320446b7ef2638b46753e64688b974b271509ab4157dc9c635af31

  • SSDEEP

    49152:zQKs42G2MO+OwfBP9dl9A1BE+xdZLh8yBhKd/:/l9AjRBwd/

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9.exe
    "C:\Users\Admin\AppData\Local\Temp\922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2396
    • C:\Users\Admin\AppData\Local\Temp\922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9.exe
      C:\Users\Admin\AppData\Local\Temp\922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9.exe
      2⤵
        PID:2964
      • C:\Users\Admin\AppData\Local\Temp\922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9.exe
        C:\Users\Admin\AppData\Local\Temp\922e195fa678774b165a2de211e400d2886bf06ee62c1eb372c58d364862bae9.exe
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3012

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2396-0-0x00000000011F0000-0x00000000013B8000-memory.dmp

      Filesize

      1.8MB

    • memory/2396-1-0x0000000074AD0000-0x00000000751BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2396-2-0x00000000005C0000-0x0000000000618000-memory.dmp

      Filesize

      352KB

    • memory/2396-3-0x00000000004A0000-0x00000000004E0000-memory.dmp

      Filesize

      256KB

    • memory/2396-4-0x0000000000740000-0x0000000000780000-memory.dmp

      Filesize

      256KB

    • memory/2396-5-0x0000000000AE0000-0x0000000000B20000-memory.dmp

      Filesize

      256KB

    • memory/2396-6-0x0000000000B20000-0x0000000000B6C000-memory.dmp

      Filesize

      304KB

    • memory/2396-7-0x0000000074AD0000-0x00000000751BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2396-8-0x00000000004A0000-0x00000000004E0000-memory.dmp

      Filesize

      256KB

    • memory/2396-22-0x0000000074AD0000-0x00000000751BE000-memory.dmp

      Filesize

      6.9MB

    • memory/3012-12-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3012-14-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3012-16-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3012-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3012-25-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3012-23-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3012-10-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3012-20-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3012-26-0x0000000074A50000-0x000000007513E000-memory.dmp

      Filesize

      6.9MB

    • memory/3012-27-0x0000000074A50000-0x000000007513E000-memory.dmp

      Filesize

      6.9MB