Analysis

  • max time kernel
    143s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 17:55

General

  • Target

    b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe

  • Size

    842KB

  • MD5

    f918266716676393150c923659f80e79

  • SHA1

    24083ba3b3ef71e4e4999c19bfcdd79046db54dd

  • SHA256

    b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959

  • SHA512

    72ea1edef4480c046800d69deab32b1a40b3443dd4dd0a5c1ab00e971eb1dcbc34434501eea97c574e8d7510efc9ee75cd75b4b4c189da47439e917c20b3d477

  • SSDEEP

    24576:N0pk+pJIdmMDwTWHfCn5/KzyXEHSVq51:aFJIdmMDwTWHfCn5CGG

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.telefoonreparatiebovenkarspel.nl
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Madarjan007!

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 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
    "C:\Users\Admin\AppData\Local\Temp\b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Users\Admin\AppData\Local\Temp\b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe
      "C:\Users\Admin\AppData\Local\Temp\b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b4505984575d9ea01e84c1d68b9a4bf2320af90570d05e4e73cbe3778a02e959.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2196-10-0x0000000006490000-0x000000000652C000-memory.dmp

    Filesize

    624KB

  • memory/2196-17-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/2196-9-0x0000000007960000-0x00000000079DE000-memory.dmp

    Filesize

    504KB

  • memory/2196-4-0x0000000004F80000-0x0000000004F90000-memory.dmp

    Filesize

    64KB

  • memory/2196-5-0x0000000005140000-0x000000000514A000-memory.dmp

    Filesize

    40KB

  • memory/2196-6-0x0000000005480000-0x0000000005498000-memory.dmp

    Filesize

    96KB

  • memory/2196-7-0x0000000006380000-0x0000000006388000-memory.dmp

    Filesize

    32KB

  • memory/2196-8-0x0000000006390000-0x000000000639A000-memory.dmp

    Filesize

    40KB

  • memory/2196-3-0x0000000004FA0000-0x0000000005032000-memory.dmp

    Filesize

    584KB

  • memory/2196-2-0x00000000054B0000-0x0000000005A54000-memory.dmp

    Filesize

    5.6MB

  • memory/2196-0-0x00000000004B0000-0x0000000000588000-memory.dmp

    Filesize

    864KB

  • memory/2196-1-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4068-20-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4068-15-0x0000000002C10000-0x0000000002C20000-memory.dmp

    Filesize

    64KB

  • memory/4068-16-0x0000000005530000-0x0000000005596000-memory.dmp

    Filesize

    408KB

  • memory/4068-14-0x00000000749C0000-0x0000000075170000-memory.dmp

    Filesize

    7.7MB

  • memory/4068-18-0x0000000006A70000-0x0000000006AC0000-memory.dmp

    Filesize

    320KB

  • memory/4068-19-0x0000000002C10000-0x0000000002C20000-memory.dmp

    Filesize

    64KB

  • memory/4068-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB