Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 14:19

General

  • Target

    61aafd66296c729a040234cb1424f78bd852c3b5e59bd5df3066ca135f2d970c.exe

  • Size

    667KB

  • MD5

    4d995589ec9e1d1a8e19d32d98efc96c

  • SHA1

    8002212c298d2134cad9baa36408eb047365a8b8

  • SHA256

    61aafd66296c729a040234cb1424f78bd852c3b5e59bd5df3066ca135f2d970c

  • SHA512

    fae89c5d33425fb6c248b601fd44b85eb473aa783aa400676b103ba80c7c2a2bba459eee45aabd33de8ce6da947aed9acf81cc7f59c59760f4c28fd105731bd6

  • SSDEEP

    12288:wVYifTolSYAmWMquiHgTQZGJS9JkaX0ULxvlk+00IcA/HI6Dqpc7Itbv:TiySbMquCgUE6JgULxvlk+kcuI9m7e

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 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61aafd66296c729a040234cb1424f78bd852c3b5e59bd5df3066ca135f2d970c.exe
    "C:\Users\Admin\AppData\Local\Temp\61aafd66296c729a040234cb1424f78bd852c3b5e59bd5df3066ca135f2d970c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2888
    • C:\Users\Admin\AppData\Local\Temp\61aafd66296c729a040234cb1424f78bd852c3b5e59bd5df3066ca135f2d970c.exe
      "C:\Users\Admin\AppData\Local\Temp\61aafd66296c729a040234cb1424f78bd852c3b5e59bd5df3066ca135f2d970c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2996

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/2888-20-0x0000000073EA0000-0x000000007458E000-memory.dmp
    Filesize

    6.9MB

  • memory/2888-2-0x0000000073EA0000-0x000000007458E000-memory.dmp
    Filesize

    6.9MB

  • memory/2888-0-0x0000000073EAE000-0x0000000073EAF000-memory.dmp
    Filesize

    4KB

  • memory/2888-3-0x0000000000500000-0x000000000051A000-memory.dmp
    Filesize

    104KB

  • memory/2888-4-0x0000000000440000-0x0000000000450000-memory.dmp
    Filesize

    64KB

  • memory/2888-5-0x0000000005340000-0x00000000053C2000-memory.dmp
    Filesize

    520KB

  • memory/2888-1-0x00000000008B0000-0x000000000095C000-memory.dmp
    Filesize

    688KB

  • memory/2996-14-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2996-22-0x0000000073EA0000-0x000000007458E000-memory.dmp
    Filesize

    6.9MB

  • memory/2996-8-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2996-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2996-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2996-16-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2996-19-0x0000000073EA0000-0x000000007458E000-memory.dmp
    Filesize

    6.9MB

  • memory/2996-7-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2996-6-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2996-21-0x0000000073EA0000-0x000000007458E000-memory.dmp
    Filesize

    6.9MB

  • memory/2996-18-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB