Analysis

  • max time kernel
    122s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2023 02:35

General

  • Target

    9bdd0e7c37eeae0f6d4da635e9c856fb2e009aa7ed59777f33776ff89066fba6.exe

  • Size

    5KB

  • MD5

    307250be963257c7e18a3252e4bd74d4

  • SHA1

    568d3fd58dfbd7140aae6a7840460b343c83c13f

  • SHA256

    9bdd0e7c37eeae0f6d4da635e9c856fb2e009aa7ed59777f33776ff89066fba6

  • SHA512

    71bbc3c7013730683d33c594613dc831c337ca0298975f42705e92afeb2c34b78b166820f4f4b05480f4673c626d0f81c40372090627a76562454e1a8fade484

  • SSDEEP

    48:6Qi+hmUGDJrNHIjfe6DSfAEnwgKgwoWz6Ao/CIjfdUhLQIfhsFwQpsVtiOlSDqFQ:G7lrZIjG6DSfA/dgwo/pf8Bhrt0ozNt

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6414995176:AAGuFTS3tKhdeIu6sCNhCNw8cv7vkPJh1TQ/

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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 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 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bdd0e7c37eeae0f6d4da635e9c856fb2e009aa7ed59777f33776ff89066fba6.exe
    "C:\Users\Admin\AppData\Local\Temp\9bdd0e7c37eeae0f6d4da635e9c856fb2e009aa7ed59777f33776ff89066fba6.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4556
    • C:\Users\Admin\AppData\Local\Temp\9bdd0e7c37eeae0f6d4da635e9c856fb2e009aa7ed59777f33776ff89066fba6.exe
      C:\Users\Admin\AppData\Local\Temp\9bdd0e7c37eeae0f6d4da635e9c856fb2e009aa7ed59777f33776ff89066fba6.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2400-13-0x00000000058A0000-0x0000000005906000-memory.dmp

    Filesize

    408KB

  • memory/2400-14-0x0000000005A10000-0x0000000005A20000-memory.dmp

    Filesize

    64KB

  • memory/2400-11-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2400-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2400-18-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2400-17-0x0000000007040000-0x000000000704A000-memory.dmp

    Filesize

    40KB

  • memory/2400-16-0x0000000007070000-0x0000000007102000-memory.dmp

    Filesize

    584KB

  • memory/2400-15-0x0000000006DF0000-0x0000000006E8C000-memory.dmp

    Filesize

    624KB

  • memory/2400-19-0x0000000005A10000-0x0000000005A20000-memory.dmp

    Filesize

    64KB

  • memory/4556-5-0x00000000064D0000-0x0000000006510000-memory.dmp

    Filesize

    256KB

  • memory/4556-3-0x00000000063A0000-0x00000000063FA000-memory.dmp

    Filesize

    360KB

  • memory/4556-2-0x0000000005130000-0x0000000005140000-memory.dmp

    Filesize

    64KB

  • memory/4556-0-0x00000000005F0000-0x00000000005F8000-memory.dmp

    Filesize

    32KB

  • memory/4556-7-0x0000000006B20000-0x00000000070C4000-memory.dmp

    Filesize

    5.6MB

  • memory/4556-6-0x00000000058D0000-0x000000000591C000-memory.dmp

    Filesize

    304KB

  • memory/4556-1-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4556-4-0x0000000006470000-0x00000000064B2000-memory.dmp

    Filesize

    264KB

  • memory/4556-12-0x0000000074B20000-0x00000000752D0000-memory.dmp

    Filesize

    7.7MB