Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 02:32

General

  • Target

    bd97d642866f3aaa69be60fe0ca7f96bc495e5d060a4c0827a9929b02df7b449.exe

  • Size

    740KB

  • MD5

    8c858aa84563521e1f1b36a4837eac48

  • SHA1

    c6116fa6f72fd6abfbfcd2e3cbde61f1a8fedda8

  • SHA256

    bd97d642866f3aaa69be60fe0ca7f96bc495e5d060a4c0827a9929b02df7b449

  • SHA512

    f24dab450b2aad62eb5b6bbfd9b10f6d4178daf2fcb3eb32f766adac8a94c903e36995f08e49cd6537607081b40a5a932272abfa4990a325b850986cc1b6f18d

  • SSDEEP

    12288:9d1JsJ6SPn1Sh2iNwKiQuvjvxGzuCMFqJi7vwlnvCpXJYKAFkIQXjx8hbHu2Z51S:9dcw1GzQScpMgJiU1a3AFkj9au2h

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ipr-co.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    IPRco@100102@

Extracted

Family

agenttesla

Credentials

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.

  • 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\bd97d642866f3aaa69be60fe0ca7f96bc495e5d060a4c0827a9929b02df7b449.exe
    "C:\Users\Admin\AppData\Local\Temp\bd97d642866f3aaa69be60fe0ca7f96bc495e5d060a4c0827a9929b02df7b449.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3752
    • C:\Users\Admin\AppData\Local\Temp\bd97d642866f3aaa69be60fe0ca7f96bc495e5d060a4c0827a9929b02df7b449.exe
      "C:\Users\Admin\AppData\Local\Temp\bd97d642866f3aaa69be60fe0ca7f96bc495e5d060a4c0827a9929b02df7b449.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2196

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

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bd97d642866f3aaa69be60fe0ca7f96bc495e5d060a4c0827a9929b02df7b449.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2196-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2196-19-0x0000000005430000-0x0000000005440000-memory.dmp
    Filesize

    64KB

  • memory/2196-18-0x0000000074530000-0x0000000074CE0000-memory.dmp
    Filesize

    7.7MB

  • memory/2196-17-0x0000000006210000-0x0000000006260000-memory.dmp
    Filesize

    320KB

  • memory/2196-15-0x0000000005430000-0x0000000005440000-memory.dmp
    Filesize

    64KB

  • memory/2196-16-0x0000000005440000-0x00000000054A6000-memory.dmp
    Filesize

    408KB

  • memory/2196-14-0x0000000074530000-0x0000000074CE0000-memory.dmp
    Filesize

    7.7MB

  • memory/3752-8-0x0000000007950000-0x000000000795C000-memory.dmp
    Filesize

    48KB

  • memory/3752-9-0x0000000007CC0000-0x0000000007D42000-memory.dmp
    Filesize

    520KB

  • memory/3752-1-0x0000000074530000-0x0000000074CE0000-memory.dmp
    Filesize

    7.7MB

  • memory/3752-7-0x0000000007940000-0x0000000007952000-memory.dmp
    Filesize

    72KB

  • memory/3752-13-0x0000000074530000-0x0000000074CE0000-memory.dmp
    Filesize

    7.7MB

  • memory/3752-6-0x0000000004ED0000-0x0000000004F6C000-memory.dmp
    Filesize

    624KB

  • memory/3752-5-0x0000000004C70000-0x0000000004C7A000-memory.dmp
    Filesize

    40KB

  • memory/3752-4-0x0000000004E20000-0x0000000004E30000-memory.dmp
    Filesize

    64KB

  • memory/3752-3-0x0000000004BC0000-0x0000000004C52000-memory.dmp
    Filesize

    584KB

  • memory/3752-2-0x0000000005170000-0x0000000005714000-memory.dmp
    Filesize

    5.6MB

  • memory/3752-0-0x0000000000110000-0x00000000001CC000-memory.dmp
    Filesize

    752KB