Analysis

  • max time kernel
    141s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-03-2024 02:04

General

  • Target

    b77a822b8d6011db096cfc1c77093658abfed4c7ae160d8c31c8534405eacb43.exe

  • Size

    870KB

  • MD5

    de7aa76fae7c8c9c291e38b63a4969e7

  • SHA1

    b9eac7a45209cff192d88b514359f9f6527b6108

  • SHA256

    b77a822b8d6011db096cfc1c77093658abfed4c7ae160d8c31c8534405eacb43

  • SHA512

    e08291061b2297a5320efcf56c4a3c8c4a4a68a747e04f475d8662cb3bc5d92a2b377547666a9924af0fed2d705e55566c53198c379390e7556a37279b2baa1e

  • SSDEEP

    12288:0DdCjlqQj5jG3ylTBkml8M6M+DVx0I550wWTbNQvSbL2:BEejtPhKEI70LbuAL2

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b77a822b8d6011db096cfc1c77093658abfed4c7ae160d8c31c8534405eacb43.exe
    "C:\Users\Admin\AppData\Local\Temp\b77a822b8d6011db096cfc1c77093658abfed4c7ae160d8c31c8534405eacb43.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4540
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4240-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4240-23-0x00000000055B0000-0x00000000055C0000-memory.dmp

    Filesize

    64KB

  • memory/4240-22-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4240-21-0x0000000006780000-0x00000000067D0000-memory.dmp

    Filesize

    320KB

  • memory/4240-19-0x00000000055C0000-0x0000000005626000-memory.dmp

    Filesize

    408KB

  • memory/4240-18-0x00000000055B0000-0x00000000055C0000-memory.dmp

    Filesize

    64KB

  • memory/4240-17-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4540-10-0x00000000050E0000-0x00000000050F0000-memory.dmp

    Filesize

    64KB

  • memory/4540-7-0x0000000005580000-0x000000000558A000-memory.dmp

    Filesize

    40KB

  • memory/4540-9-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4540-0-0x0000000000E60000-0x0000000000F40000-memory.dmp

    Filesize

    896KB

  • memory/4540-11-0x00000000050E0000-0x00000000050F0000-memory.dmp

    Filesize

    64KB

  • memory/4540-12-0x0000000006D50000-0x0000000006D6A000-memory.dmp

    Filesize

    104KB

  • memory/4540-13-0x0000000006D70000-0x0000000006D76000-memory.dmp

    Filesize

    24KB

  • memory/4540-8-0x00000000050E0000-0x00000000050F0000-memory.dmp

    Filesize

    64KB

  • memory/4540-16-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4540-6-0x00000000054E0000-0x0000000005524000-memory.dmp

    Filesize

    272KB

  • memory/4540-5-0x00000000050E0000-0x00000000050F0000-memory.dmp

    Filesize

    64KB

  • memory/4540-4-0x00000000051D0000-0x000000000526C000-memory.dmp

    Filesize

    624KB

  • memory/4540-3-0x0000000005130000-0x00000000051C2000-memory.dmp

    Filesize

    584KB

  • memory/4540-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

    Filesize

    5.6MB

  • memory/4540-1-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB