Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2024 01:18

General

  • Target

    131c467cce577a6f9c63f6c5aa32f4d57ab0028e60c35630b52fb36179cc8400.exe

  • Size

    626KB

  • MD5

    955ab8ca00c3619c4b5b80668acf399d

  • SHA1

    5a1087320acc8ab4f193e41c5947efe5c135eb65

  • SHA256

    131c467cce577a6f9c63f6c5aa32f4d57ab0028e60c35630b52fb36179cc8400

  • SHA512

    3fa69c3f4911c05d4127eedb394d509605f12e14c646d8d465e62a0b5e111321864b0c363c631c2579fe94c7d377ad9e9b490553c4f3176494e187d4b1ecfbc1

  • SSDEEP

    12288:sa5WGSTlkKnX8GPW+1HRFFFCSYotiSkgF8PWfROMyn:kGI6G+wHFVYEks6

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.

  • Looks up external IP address via web service 1 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\131c467cce577a6f9c63f6c5aa32f4d57ab0028e60c35630b52fb36179cc8400.exe
    "C:\Users\Admin\AppData\Local\Temp\131c467cce577a6f9c63f6c5aa32f4d57ab0028e60c35630b52fb36179cc8400.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2784
    • C:\Users\Admin\AppData\Local\Temp\131c467cce577a6f9c63f6c5aa32f4d57ab0028e60c35630b52fb36179cc8400.exe
      "C:\Users\Admin\AppData\Local\Temp\131c467cce577a6f9c63f6c5aa32f4d57ab0028e60c35630b52fb36179cc8400.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2936

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/2784-0-0x0000000000F60000-0x0000000001002000-memory.dmp
    Filesize

    648KB

  • memory/2784-1-0x0000000074360000-0x0000000074A4E000-memory.dmp
    Filesize

    6.9MB

  • memory/2784-2-0x0000000004CB0000-0x0000000004CF0000-memory.dmp
    Filesize

    256KB

  • memory/2784-3-0x00000000003E0000-0x00000000003F2000-memory.dmp
    Filesize

    72KB

  • memory/2784-4-0x0000000000820000-0x000000000082C000-memory.dmp
    Filesize

    48KB

  • memory/2784-5-0x0000000005BC0000-0x0000000005C44000-memory.dmp
    Filesize

    528KB

  • memory/2784-21-0x0000000074360000-0x0000000074A4E000-memory.dmp
    Filesize

    6.9MB

  • memory/2936-10-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2936-8-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2936-12-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2936-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2936-16-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2936-18-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2936-20-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2936-22-0x0000000074360000-0x0000000074A4E000-memory.dmp
    Filesize

    6.9MB

  • memory/2936-6-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2936-23-0x0000000004950000-0x0000000004990000-memory.dmp
    Filesize

    256KB

  • memory/2936-24-0x0000000074360000-0x0000000074A4E000-memory.dmp
    Filesize

    6.9MB

  • memory/2936-25-0x0000000004950000-0x0000000004990000-memory.dmp
    Filesize

    256KB