Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 08:18

General

  • Target

    PO#801644.exe

  • Size

    694KB

  • MD5

    1d3a8a121376bf64ec58a7b019241697

  • SHA1

    33ac1efd81943a55537f03851bcdb1e1ef583775

  • SHA256

    56ec132d9642242d2426063fb8763cb8d74973bbc186fd6d55eeebf3936a60f7

  • SHA512

    85526fd1f61620626d59a54953ee15e95d6c5420dc608913e874557e333d819aadade94d7e49ebf2839ee11d3009074adea805e7052af625a1c3d1c7fb614eeb

  • SSDEEP

    12288:gueH5qKXIk3zC/XcNiG5FgTf1qrTP3KL32dlQgU5GUtGcWld7Sxc:EqeKcwGb+dqrTfHdlQgUGvgc

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lubdub.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    J-y!2e_fWMH_XP8F_008

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\PO#801644.exe
    "C:\Users\Admin\AppData\Local\Temp\PO#801644.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Users\Admin\AppData\Local\Temp\PO#801644.exe
      "C:\Users\Admin\AppData\Local\Temp\PO#801644.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO#801644.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/4604-10-0x0000000007E50000-0x0000000007EEC000-memory.dmp

    Filesize

    624KB

  • memory/4604-14-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4604-9-0x0000000006780000-0x00000000067FA000-memory.dmp

    Filesize

    488KB

  • memory/4604-4-0x0000000005420000-0x0000000005430000-memory.dmp

    Filesize

    64KB

  • memory/4604-5-0x0000000005240000-0x000000000524A000-memory.dmp

    Filesize

    40KB

  • memory/4604-6-0x00000000053E0000-0x00000000053FA000-memory.dmp

    Filesize

    104KB

  • memory/4604-7-0x00000000056B0000-0x00000000056B8000-memory.dmp

    Filesize

    32KB

  • memory/4604-8-0x00000000056C0000-0x00000000056CA000-memory.dmp

    Filesize

    40KB

  • memory/4604-3-0x0000000005280000-0x0000000005312000-memory.dmp

    Filesize

    584KB

  • memory/4604-1-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4604-0-0x0000000000790000-0x0000000000844000-memory.dmp

    Filesize

    720KB

  • memory/4604-2-0x0000000005930000-0x0000000005ED4000-memory.dmp

    Filesize

    5.6MB

  • memory/5028-15-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

  • memory/5028-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/5028-17-0x0000000005480000-0x00000000054E6000-memory.dmp

    Filesize

    408KB

  • memory/5028-16-0x0000000005470000-0x0000000005480000-memory.dmp

    Filesize

    64KB

  • memory/5028-18-0x0000000006970000-0x00000000069C0000-memory.dmp

    Filesize

    320KB

  • memory/5028-19-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

  • memory/5028-20-0x0000000005470000-0x0000000005480000-memory.dmp

    Filesize

    64KB