Analysis

  • max time kernel
    134s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 17:16

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:5064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/5064-0-0x000000007484E000-0x000000007484F000-memory.dmp

    Filesize

    4KB

  • memory/5064-1-0x0000000000110000-0x0000000000154000-memory.dmp

    Filesize

    272KB

  • memory/5064-2-0x0000000005000000-0x00000000055A4000-memory.dmp

    Filesize

    5.6MB

  • memory/5064-3-0x0000000004C30000-0x0000000004C96000-memory.dmp

    Filesize

    408KB

  • memory/5064-4-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB

  • memory/5064-5-0x00000000061F0000-0x0000000006282000-memory.dmp

    Filesize

    584KB

  • memory/5064-8-0x00000000062F0000-0x0000000006340000-memory.dmp

    Filesize

    320KB

  • memory/5064-9-0x00000000063E0000-0x000000000647C000-memory.dmp

    Filesize

    624KB

  • memory/5064-10-0x00000000065B0000-0x00000000065BA000-memory.dmp

    Filesize

    40KB

  • memory/5064-11-0x000000007484E000-0x000000007484F000-memory.dmp

    Filesize

    4KB

  • memory/5064-12-0x0000000074840000-0x0000000074FF0000-memory.dmp

    Filesize

    7.7MB