Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-06-2024 01:42

General

  • Target

    8058fdac57a403fa90c6b7d69567bbc0a829599a8e93543cc2e51f9177becb24.exe

  • Size

    658KB

  • MD5

    559f3cab0509194acf2da1d3ab633280

  • SHA1

    cb754e1ec8656382aa99e4c80f431d359bdeab20

  • SHA256

    8058fdac57a403fa90c6b7d69567bbc0a829599a8e93543cc2e51f9177becb24

  • SHA512

    7983794b019f5e29b4da2dd63e5743682b62994dc74047422ec02a3556dbc97a3ad5362ef065bbac3ba8da552bc9b237da7716b49ae5b7919ce5821a9dbb47a4

  • SSDEEP

    12288:DDOXNuRchgLipbP3pnLAKr7CtKCq4VJJJephx34Oo5UFEyc9ZPeHagHCRW8A:GgIzZXr7CI4Vrwp34oEyc3PY

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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8058fdac57a403fa90c6b7d69567bbc0a829599a8e93543cc2e51f9177becb24.exe
    "C:\Users\Admin\AppData\Local\Temp\8058fdac57a403fa90c6b7d69567bbc0a829599a8e93543cc2e51f9177becb24.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Users\Admin\AppData\Local\Temp\8058fdac57a403fa90c6b7d69567bbc0a829599a8e93543cc2e51f9177becb24.exe
      "C:\Users\Admin\AppData\Local\Temp\8058fdac57a403fa90c6b7d69567bbc0a829599a8e93543cc2e51f9177becb24.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1936-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

    Filesize

    4KB

  • memory/1936-1-0x0000000001350000-0x00000000013FA000-memory.dmp

    Filesize

    680KB

  • memory/1936-2-0x00000000745E0000-0x0000000074CCE000-memory.dmp

    Filesize

    6.9MB

  • memory/1936-3-0x0000000000360000-0x0000000000376000-memory.dmp

    Filesize

    88KB

  • memory/1936-4-0x00000000009D0000-0x00000000009DE000-memory.dmp

    Filesize

    56KB

  • memory/1936-5-0x0000000000A20000-0x0000000000A30000-memory.dmp

    Filesize

    64KB

  • memory/1936-6-0x00000000049E0000-0x0000000004A62000-memory.dmp

    Filesize

    520KB

  • memory/1936-21-0x00000000745E0000-0x0000000074CCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2628-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2628-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2628-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2628-20-0x00000000745E0000-0x0000000074CCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2628-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2628-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2628-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2628-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2628-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2628-22-0x00000000745E0000-0x0000000074CCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2628-23-0x00000000745E0000-0x0000000074CCE000-memory.dmp

    Filesize

    6.9MB