Analysis

  • max time kernel
    91s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2023 02:56

General

  • Target

    Quotation No. Qtn10077_pdf.exe

  • Size

    637KB

  • MD5

    8e0f1788ac8a63e0e428303f3b2a405d

  • SHA1

    534052e115b31b54d789dce4649e3b05f6623f80

  • SHA256

    56851dce93716b38e3174d7db81c810a4362c465da06007971c6c6aba43dbb9b

  • SHA512

    9508a0c052f44c48ff18c6fa7a7fda5d7b90f52fbb09654aee5ec3a115426e2de0ab038c5ef93654dfccde3423590d9b8b740fe8b624fbdf7a84fe9c32b7b6e6

  • SSDEEP

    12288:YAyQaueH5qYnMZucAGVECGL8uYW9dp6bG6JDMG0vqy4JZlZTzK76IGzHG0w:YAmqz0jGiNYc6bxWGS+jlZq7kzm

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.etiketten.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Satis2022+*!

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation No. Qtn10077_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation No. Qtn10077_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3112
    • C:\Users\Admin\AppData\Local\Temp\Quotation No. Qtn10077_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Quotation No. Qtn10077_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Quotation No. Qtn10077_pdf.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/3112-10-0x0000000009610000-0x00000000096AC000-memory.dmp

    Filesize

    624KB

  • memory/3112-15-0x0000000074480000-0x0000000074C30000-memory.dmp

    Filesize

    7.7MB

  • memory/3112-9-0x0000000007070000-0x00000000070EA000-memory.dmp

    Filesize

    488KB

  • memory/3112-4-0x0000000005A10000-0x0000000005A20000-memory.dmp

    Filesize

    64KB

  • memory/3112-5-0x00000000059D0000-0x00000000059DA000-memory.dmp

    Filesize

    40KB

  • memory/3112-6-0x0000000005DA0000-0x0000000005DBA000-memory.dmp

    Filesize

    104KB

  • memory/3112-7-0x0000000005EF0000-0x0000000005EF8000-memory.dmp

    Filesize

    32KB

  • memory/3112-8-0x0000000005F00000-0x0000000005F0A000-memory.dmp

    Filesize

    40KB

  • memory/3112-3-0x0000000005A40000-0x0000000005AD2000-memory.dmp

    Filesize

    584KB

  • memory/3112-2-0x0000000005F50000-0x00000000064F4000-memory.dmp

    Filesize

    5.6MB

  • memory/3112-1-0x0000000074480000-0x0000000074C30000-memory.dmp

    Filesize

    7.7MB

  • memory/3112-0-0x0000000000F40000-0x0000000000FE4000-memory.dmp

    Filesize

    656KB

  • memory/4788-20-0x00000000054F0000-0x0000000005500000-memory.dmp

    Filesize

    64KB

  • memory/4788-17-0x00000000054F0000-0x0000000005500000-memory.dmp

    Filesize

    64KB

  • memory/4788-16-0x00000000056B0000-0x0000000005716000-memory.dmp

    Filesize

    408KB

  • memory/4788-14-0x0000000074480000-0x0000000074C30000-memory.dmp

    Filesize

    7.7MB

  • memory/4788-18-0x0000000006AE0000-0x0000000006B30000-memory.dmp

    Filesize

    320KB

  • memory/4788-19-0x0000000074480000-0x0000000074C30000-memory.dmp

    Filesize

    7.7MB

  • memory/4788-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB