Analysis

  • max time kernel
    133s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/05/2024, 01:53

General

  • Target

    3c29b509fac248a90cdb5970352752041fe1c02034f06b81182c5bb8b311766f.exe

  • Size

    699KB

  • MD5

    d8770e0a7f9ee1a53bd4362532ecef3f

  • SHA1

    50745b96bc64c065e8f66bc07589961c15f6ed21

  • SHA256

    3c29b509fac248a90cdb5970352752041fe1c02034f06b81182c5bb8b311766f

  • SHA512

    e5c9a9b14eae8a3b1ab21634388676269ee1da130c8600bcfa78a31f3d48f7706db12cc499f47840843c63af4f6fa720196b96199738bd5af648abb40f1ed0b7

  • SSDEEP

    12288:o3/T3/fVrTtK3/3gCgkhkNRIFzhx+xxyZAcI+KQoKJ/vY2Kcsxgdyi7V8Ane3/zt:orXVrTtK7tR+zyZNTKQoo/vY2exAyi7O

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.metalsbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    zxcA@@258963

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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c29b509fac248a90cdb5970352752041fe1c02034f06b81182c5bb8b311766f.exe
    "C:\Users\Admin\AppData\Local\Temp\3c29b509fac248a90cdb5970352752041fe1c02034f06b81182c5bb8b311766f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4416
    • C:\Users\Admin\AppData\Local\Temp\3c29b509fac248a90cdb5970352752041fe1c02034f06b81182c5bb8b311766f.exe
      "C:\Users\Admin\AppData\Local\Temp\3c29b509fac248a90cdb5970352752041fe1c02034f06b81182c5bb8b311766f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3c29b509fac248a90cdb5970352752041fe1c02034f06b81182c5bb8b311766f.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1856-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1856-18-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1856-17-0x0000000006870000-0x00000000068C0000-memory.dmp

    Filesize

    320KB

  • memory/1856-16-0x0000000005820000-0x0000000005886000-memory.dmp

    Filesize

    408KB

  • memory/1856-15-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1856-14-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-8-0x0000000006500000-0x0000000006582000-memory.dmp

    Filesize

    520KB

  • memory/4416-0-0x0000000074E3E000-0x0000000074E3F000-memory.dmp

    Filesize

    4KB

  • memory/4416-9-0x0000000008AD0000-0x0000000008B6C000-memory.dmp

    Filesize

    624KB

  • memory/4416-7-0x0000000005A20000-0x0000000005A36000-memory.dmp

    Filesize

    88KB

  • memory/4416-6-0x0000000005870000-0x0000000005886000-memory.dmp

    Filesize

    88KB

  • memory/4416-13-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-5-0x0000000005860000-0x000000000586A000-memory.dmp

    Filesize

    40KB

  • memory/4416-4-0x0000000074E30000-0x00000000755E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-3-0x0000000005790000-0x0000000005822000-memory.dmp

    Filesize

    584KB

  • memory/4416-2-0x0000000005E50000-0x00000000063F4000-memory.dmp

    Filesize

    5.6MB

  • memory/4416-1-0x0000000000E40000-0x0000000000EF0000-memory.dmp

    Filesize

    704KB