Analysis

  • max time kernel
    116s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 08:38

General

  • Target

    DBG1435766.pdf.exe

  • Size

    642KB

  • MD5

    c96b1ab041b5de0d12add2c508811d2e

  • SHA1

    6312de7b19a06e5c4841c6ec610e9d3479d49ae5

  • SHA256

    58e4540c1c53bc7bdcaa26de63fdff31ac8b6db3746c11aa20d0267e8bf83108

  • SHA512

    5b9f29070170b6602205a2597c008db85d04dc3b3767fd78f40aaac19e5a733fb635c19304b94b031477783c6366b9b232907816c6bcc3febc712a274c0c4ee9

  • SSDEEP

    12288:P/YoBqcgsIg8CmihkBOmYBmhud+/S9qDXrVMz0MKF7IYXQTCsVx3K9i72l:4onJh4ZhR7VMYb7IBVUkE

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alitextile.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Myname@321

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DBG1435766.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\DBG1435766.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3208
    • C:\Users\Admin\AppData\Local\Temp\DBG1435766.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\DBG1435766.pdf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DBG1435766.pdf.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2224-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2224-19-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/2224-18-0x0000000006E40000-0x0000000006E90000-memory.dmp

    Filesize

    320KB

  • memory/2224-17-0x0000000005870000-0x00000000058D6000-memory.dmp

    Filesize

    408KB

  • memory/2224-16-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/2224-14-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/3208-4-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/3208-8-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/3208-9-0x0000000006780000-0x0000000006804000-memory.dmp

    Filesize

    528KB

  • memory/3208-10-0x0000000008D20000-0x0000000008DBC000-memory.dmp

    Filesize

    624KB

  • memory/3208-7-0x000000007499E000-0x000000007499F000-memory.dmp

    Filesize

    4KB

  • memory/3208-6-0x00000000055C0000-0x00000000055D0000-memory.dmp

    Filesize

    64KB

  • memory/3208-5-0x00000000052B0000-0x00000000052BA000-memory.dmp

    Filesize

    40KB

  • memory/3208-15-0x0000000074990000-0x0000000075140000-memory.dmp

    Filesize

    7.7MB

  • memory/3208-0-0x000000007499E000-0x000000007499F000-memory.dmp

    Filesize

    4KB

  • memory/3208-3-0x0000000005100000-0x0000000005192000-memory.dmp

    Filesize

    584KB

  • memory/3208-2-0x00000000055F0000-0x0000000005B94000-memory.dmp

    Filesize

    5.6MB

  • memory/3208-1-0x0000000000680000-0x0000000000726000-memory.dmp

    Filesize

    664KB