Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    21-01-2025 04:51

General

  • Target

    Invoice.exe

  • Size

    778KB

  • MD5

    4b87b32f26b417ddbaaa08391cbf3dfd

  • SHA1

    f870a7b9eec7352c7863f2491cabdb404cf53a0d

  • SHA256

    3729df5275a3dbba2ea3c90fac7796341a6d2c397ceb0bb5fc98b99a7f76df1d

  • SHA512

    5a7e97e4bba2a2cc4b3a3a4a623aa3cb5a252a776a4c9f796b5272d3c1d735bab8fbca2163421d7d3bf1bbe0d37b2a1f864227f2cb545323f9c1fd2339f1a0a7

  • SSDEEP

    12288:2KOlbxrEX0IO8Df3PScPgY93W2dyQ1DkJT39bH9usL9wJExi+ByD4RF3mrU:PX/f1PRxyQhkdlduJExi0yDgF3mA

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Users\Admin\AppData\Local\Temp\Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1764-0-0x000000007445E000-0x000000007445F000-memory.dmp

    Filesize

    4KB

  • memory/1764-1-0x0000000000310000-0x00000000003D8000-memory.dmp

    Filesize

    800KB

  • memory/1764-2-0x0000000074450000-0x0000000074B3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1764-3-0x0000000000480000-0x00000000004A6000-memory.dmp

    Filesize

    152KB

  • memory/1764-4-0x000000007445E000-0x000000007445F000-memory.dmp

    Filesize

    4KB

  • memory/1764-5-0x0000000074450000-0x0000000074B3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1764-6-0x0000000006060000-0x00000000060E6000-memory.dmp

    Filesize

    536KB

  • memory/1764-25-0x0000000074450000-0x0000000074B3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2488-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2488-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2488-24-0x0000000074450000-0x0000000074B3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2488-23-0x0000000074450000-0x0000000074B3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2488-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2488-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2488-13-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2488-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2488-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2488-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2488-26-0x0000000074450000-0x0000000074B3E000-memory.dmp

    Filesize

    6.9MB