Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2023 17:26

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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 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 use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2352
    • 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:2228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2228-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2228-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2228-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2228-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2228-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2228-24-0x0000000004BE0000-0x0000000004C20000-memory.dmp

    Filesize

    256KB

  • memory/2228-23-0x0000000074940000-0x000000007502E000-memory.dmp

    Filesize

    6.9MB

  • memory/2228-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2228-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2228-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2228-22-0x0000000074940000-0x000000007502E000-memory.dmp

    Filesize

    6.9MB

  • memory/2352-6-0x00000000042E0000-0x000000000432C000-memory.dmp

    Filesize

    304KB

  • memory/2352-3-0x0000000000310000-0x0000000000350000-memory.dmp

    Filesize

    256KB

  • memory/2352-4-0x0000000000440000-0x0000000000480000-memory.dmp

    Filesize

    256KB

  • memory/2352-2-0x0000000000A50000-0x0000000000AA8000-memory.dmp

    Filesize

    352KB

  • memory/2352-1-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2352-8-0x0000000000310000-0x0000000000350000-memory.dmp

    Filesize

    256KB

  • memory/2352-18-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2352-7-0x00000000749C0000-0x00000000750AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2352-0-0x0000000000AB0000-0x0000000000C78000-memory.dmp

    Filesize

    1.8MB

  • memory/2352-5-0x00000000009C0000-0x0000000000A00000-memory.dmp

    Filesize

    256KB