Analysis

  • max time kernel
    142s
  • max time network
    152s
  • 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 07:11

General

  • Target

    SWFT-MT-103-8146735-PDF.exe

  • Size

    696KB

  • MD5

    eae5575afd765d679ea1a05bb4baae43

  • SHA1

    7cdbf3550b3ecda84b1ece2beff680a2e5cc6e5b

  • SHA256

    5c0379a54fc0effe3a56e4d5fb623f8ac3e711da65434d7a22f9fa7e55758460

  • SHA512

    d45b4adad7fc31e74e0e187311276d2fdcd95988c5a57bb4a4fadf79a22f4ddba395af643d5612686112ccd17e33482ce7c9bff4835aeee7fdf75df027041a9c

  • SSDEEP

    12288:9ll5nF8bVdqrlb/9W0ri8DKYxT5buy8R0BNyQ+lvcjAsxyRr7wvh:7luqhb06DKYV5CTR0BgQ6XSyuJ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.webdnes.cz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    knihakniha

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.

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SWFT-MT-103-8146735-PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\SWFT-MT-103-8146735-PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Users\Admin\AppData\Local\Temp\SWFT-MT-103-8146735-PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\SWFT-MT-103-8146735-PDF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SWFT-MT-103-8146735-PDF.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1776-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1776-20-0x00000000053E0000-0x00000000053F0000-memory.dmp

    Filesize

    64KB

  • memory/1776-19-0x0000000074B90000-0x0000000075340000-memory.dmp

    Filesize

    7.7MB

  • memory/1776-18-0x0000000006A00000-0x0000000006A50000-memory.dmp

    Filesize

    320KB

  • memory/1776-17-0x0000000005340000-0x00000000053A6000-memory.dmp

    Filesize

    408KB

  • memory/1776-16-0x00000000053E0000-0x00000000053F0000-memory.dmp

    Filesize

    64KB

  • memory/1776-15-0x0000000074B90000-0x0000000075340000-memory.dmp

    Filesize

    7.7MB

  • memory/4304-5-0x00000000053B0000-0x00000000053BA000-memory.dmp

    Filesize

    40KB

  • memory/4304-9-0x00000000069D0000-0x0000000006A4A000-memory.dmp

    Filesize

    488KB

  • memory/4304-10-0x0000000006860000-0x00000000068FC000-memory.dmp

    Filesize

    624KB

  • memory/4304-8-0x00000000057B0000-0x00000000057BA000-memory.dmp

    Filesize

    40KB

  • memory/4304-7-0x00000000057A0000-0x00000000057A8000-memory.dmp

    Filesize

    32KB

  • memory/4304-14-0x0000000074B90000-0x0000000075340000-memory.dmp

    Filesize

    7.7MB

  • memory/4304-6-0x0000000005500000-0x0000000005518000-memory.dmp

    Filesize

    96KB

  • memory/4304-0-0x0000000000940000-0x00000000009F2000-memory.dmp

    Filesize

    712KB

  • memory/4304-4-0x0000000005540000-0x0000000005550000-memory.dmp

    Filesize

    64KB

  • memory/4304-3-0x0000000005400000-0x0000000005492000-memory.dmp

    Filesize

    584KB

  • memory/4304-2-0x0000000005910000-0x0000000005EB4000-memory.dmp

    Filesize

    5.6MB

  • memory/4304-1-0x0000000074B90000-0x0000000075340000-memory.dmp

    Filesize

    7.7MB