Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231201-en
  • resource tags

    arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2023 16:35

General

  • Target

    Confirmacaodeconta.exe

  • Size

    841KB

  • MD5

    c0faf71f9d3d14e79bec6769860b564f

  • SHA1

    2f11711bf5b4aa115d160e022b14cd1e91570737

  • SHA256

    692469e7237af7cf1c4d4b9d7abcbd5064732f6318ed91c21bd11e8f8adce3c4

  • SHA512

    63b1c4c1767fd23f18fb06f86bdd885861dfb63359cc890fe0b9aabbab67189400d676d325bddbdbb48010ca8650fdb83fe81656c07eb65dd8f0c55e2ca38764

  • SSDEEP

    24576:IyT/7fbYvQed+5d5o57m9KuDa/MFEbma:IyTjfbYvk5/o57mk0wma

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Confirmacaodeconta.exe
    "C:\Users\Admin\AppData\Local\Temp\Confirmacaodeconta.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Users\Admin\AppData\Local\Temp\Confirmacaodeconta.exe
      "C:\Users\Admin\AppData\Local\Temp\Confirmacaodeconta.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2140-0-0x0000000000960000-0x0000000000A38000-memory.dmp

    Filesize

    864KB

  • memory/2140-1-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2140-2-0x0000000004D00000-0x0000000004D40000-memory.dmp

    Filesize

    256KB

  • memory/2140-3-0x0000000000310000-0x0000000000322000-memory.dmp

    Filesize

    72KB

  • memory/2140-4-0x0000000000330000-0x0000000000338000-memory.dmp

    Filesize

    32KB

  • memory/2140-5-0x00000000004C0000-0x00000000004CA000-memory.dmp

    Filesize

    40KB

  • memory/2140-6-0x0000000005C00000-0x0000000005C9C000-memory.dmp

    Filesize

    624KB

  • memory/2140-7-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2140-8-0x0000000004D00000-0x0000000004D40000-memory.dmp

    Filesize

    256KB

  • memory/2140-22-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2244-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2244-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2244-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2244-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2244-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2244-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2244-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2244-23-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2244-24-0x0000000004D90000-0x0000000004DD0000-memory.dmp

    Filesize

    256KB

  • memory/2244-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2244-25-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2244-26-0x0000000004D90000-0x0000000004DD0000-memory.dmp

    Filesize

    256KB