Resubmissions

23-02-2024 03:45

240223-ea6qpsaf9t 10

23-02-2024 02:03

240223-cg4htahg5x 10

Analysis

  • max time kernel
    115s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-02-2024 02:03

General

  • Target

    0932f5d800ebb0e22e6323f1e64bdf3b6125b2e9b205d9f333f1857da72d7516.exe

  • Size

    244KB

  • MD5

    fdaeb38d218c4f6b021b92165086aa83

  • SHA1

    c8fc159faa5177afd4f166df129b06399e3f943b

  • SHA256

    0932f5d800ebb0e22e6323f1e64bdf3b6125b2e9b205d9f333f1857da72d7516

  • SHA512

    40b7db87f685b6a748b365a237b54d909a0bdd628ed516e8685db3d9078ddcb155fa2c9ceabdd9dfec1a64ae1425711a6a528a5fc5db48de06954f6ec03544b7

  • SSDEEP

    3072:MYqrkzLrTjIb6ldbp7tbS5IQR5Dz/0C1kyOlb:MYqrkzLrTjIb6lHte5IE/LmyO

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7013847015:AAGJ9U6sgMmsBCQ0DNkHT8DYuslAtpiqCbA/

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\0932f5d800ebb0e22e6323f1e64bdf3b6125b2e9b205d9f333f1857da72d7516.exe
    "C:\Users\Admin\AppData\Local\Temp\0932f5d800ebb0e22e6323f1e64bdf3b6125b2e9b205d9f333f1857da72d7516.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4472

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4472-0-0x0000000075340000-0x0000000075AF0000-memory.dmp
    Filesize

    7.7MB

  • memory/4472-1-0x0000000000530000-0x0000000000574000-memory.dmp
    Filesize

    272KB

  • memory/4472-2-0x00000000054B0000-0x0000000005A54000-memory.dmp
    Filesize

    5.6MB

  • memory/4472-3-0x00000000050C0000-0x00000000050D0000-memory.dmp
    Filesize

    64KB

  • memory/4472-4-0x00000000050D0000-0x0000000005136000-memory.dmp
    Filesize

    408KB

  • memory/4472-5-0x0000000006600000-0x0000000006650000-memory.dmp
    Filesize

    320KB

  • memory/4472-6-0x00000000066F0000-0x000000000678C000-memory.dmp
    Filesize

    624KB

  • memory/4472-7-0x0000000006830000-0x00000000068C2000-memory.dmp
    Filesize

    584KB

  • memory/4472-8-0x0000000075340000-0x0000000075AF0000-memory.dmp
    Filesize

    7.7MB

  • memory/4472-9-0x00000000067C0000-0x00000000067CA000-memory.dmp
    Filesize

    40KB

  • memory/4472-10-0x00000000050C0000-0x00000000050D0000-memory.dmp
    Filesize

    64KB