Analysis

  • max time kernel
    119s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24-04-2024 03:18

General

  • Target

    purchase order pdf.exe

  • Size

    356KB

  • MD5

    be60ea5cc4efb226b78a6a257ff112fd

  • SHA1

    1bc68e94bf651242cd3ca51c34f9113992d4f9a7

  • SHA256

    d7531e4728438f15714cd44a6ed353d5117b4a3b6db1ece8b945ca8eb0b1408d

  • SHA512

    dcb28bde9d6d4726d59c3b62915992c26bbb1cd2f85a89895f8a2ada3ba11c79d0e4dcda4ebac14c257db09ccd0db05959af2db2e2032f622ed6cac8d724400f

  • SSDEEP

    6144:CI8dwrN+sNKki7FYkxcpVotE2586h8YQbWTODuQckHooppgNoo9ELQbkm8UbL0:GUFtOq3Ct186eKwrc+np+Nos9km8U

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 WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\purchase order pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\purchase order pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Local\Temp\purchase order pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\purchase order pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1988-3-0x00000000001D0000-0x00000000001D1000-memory.dmp
    Filesize

    4KB

  • memory/1988-1-0x0000000073EF0000-0x00000000745DE000-memory.dmp
    Filesize

    6.9MB

  • memory/1988-2-0x0000000004B30000-0x0000000004B70000-memory.dmp
    Filesize

    256KB

  • memory/1988-12-0x0000000073EF0000-0x00000000745DE000-memory.dmp
    Filesize

    6.9MB

  • memory/1988-0-0x0000000000B20000-0x0000000000B80000-memory.dmp
    Filesize

    384KB

  • memory/2516-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2516-4-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2516-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2516-5-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2516-13-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2516-7-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2516-6-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2516-15-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2516-16-0x0000000073E70000-0x000000007455E000-memory.dmp
    Filesize

    6.9MB

  • memory/2516-31-0x0000000073E70000-0x000000007455E000-memory.dmp
    Filesize

    6.9MB