Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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

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 9 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:2512
    • 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:2872

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/2512-0-0x00000000011D0000-0x000000000128C000-memory.dmp
    Filesize

    752KB

  • memory/2512-1-0x0000000074D90000-0x000000007547E000-memory.dmp
    Filesize

    6.9MB

  • memory/2512-2-0x0000000004B30000-0x0000000004B70000-memory.dmp
    Filesize

    256KB

  • memory/2512-3-0x00000000003A0000-0x00000000003B2000-memory.dmp
    Filesize

    72KB

  • memory/2512-4-0x00000000003C0000-0x00000000003CC000-memory.dmp
    Filesize

    48KB

  • memory/2512-5-0x0000000005190000-0x0000000005212000-memory.dmp
    Filesize

    520KB

  • memory/2512-14-0x0000000074D90000-0x000000007547E000-memory.dmp
    Filesize

    6.9MB

  • memory/2872-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2872-7-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2872-9-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2872-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2872-12-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2872-15-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2872-6-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2872-17-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2872-18-0x0000000074D90000-0x000000007547E000-memory.dmp
    Filesize

    6.9MB

  • memory/2872-19-0x0000000074D90000-0x000000007547E000-memory.dmp
    Filesize

    6.9MB

  • memory/2872-20-0x0000000004A60000-0x0000000004AA0000-memory.dmp
    Filesize

    256KB