Analysis

  • max time kernel
    137s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 11:46

General

  • Target

    940e50d333d1abcc6310c1eda1e82c24e16bd132d477810a800150eb6ea819a1.exe

  • Size

    246KB

  • MD5

    d7dfc312f14a618a89496d1877d81dbf

  • SHA1

    254feadc7b0265f24c42dd0e17311269a3c62cbd

  • SHA256

    940e50d333d1abcc6310c1eda1e82c24e16bd132d477810a800150eb6ea819a1

  • SHA512

    41d68028f6e1d4c047ee80e0f12353605cf794f6b29f7a28208933473d054d713e02a04d223be23333eb0f63cc071badae0b9fca9e55c520255d0e05431b44ff

  • SSDEEP

    3072:YFbBl7xzLrTD4U46+MuOR+hr8T+ks/9eFIin5NvFMd2qf:YFT7xzLrTD4UQMbi9YKiXFMc

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6699017241:AAF6AbO-YOnLd-PVOPirAbnkK1ZplmEL8BY/

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\940e50d333d1abcc6310c1eda1e82c24e16bd132d477810a800150eb6ea819a1.exe
    "C:\Users\Admin\AppData\Local\Temp\940e50d333d1abcc6310c1eda1e82c24e16bd132d477810a800150eb6ea819a1.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4604-0-0x000000007501E000-0x000000007501F000-memory.dmp

    Filesize

    4KB

  • memory/4604-1-0x0000000000D50000-0x0000000000D94000-memory.dmp

    Filesize

    272KB

  • memory/4604-2-0x0000000005B40000-0x00000000060E4000-memory.dmp

    Filesize

    5.6MB

  • memory/4604-3-0x0000000005640000-0x00000000056A6000-memory.dmp

    Filesize

    408KB

  • memory/4604-4-0x0000000075010000-0x00000000757C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4604-5-0x0000000006CF0000-0x0000000006D82000-memory.dmp

    Filesize

    584KB

  • memory/4604-8-0x0000000006FB0000-0x0000000007000000-memory.dmp

    Filesize

    320KB

  • memory/4604-9-0x0000000008C70000-0x0000000008D0C000-memory.dmp

    Filesize

    624KB

  • memory/4604-10-0x0000000007090000-0x000000000709A000-memory.dmp

    Filesize

    40KB

  • memory/4604-11-0x000000007501E000-0x000000007501F000-memory.dmp

    Filesize

    4KB

  • memory/4604-12-0x0000000075010000-0x00000000757C0000-memory.dmp

    Filesize

    7.7MB