Analysis

  • max time kernel
    95s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2024 14:53

General

  • Target

    81bd5aa262413bbd33634493f9df78ef8293fc704adb1a7bf121f31b6b939cb9.exe

  • Size

    1014KB

  • MD5

    2e104c0bf13525c4f527f1e95bf18699

  • SHA1

    6b9827d8313d1840465dc6403e0975e688e3b3df

  • SHA256

    81bd5aa262413bbd33634493f9df78ef8293fc704adb1a7bf121f31b6b939cb9

  • SHA512

    3963d8e1a175160930ef62b04bec14b5e3e0d1cb0f4d6c58eae79d74b9d3393f72bf5456dfa763698a9794e6728b34a5b7ad09a33cef2d4c87bc26d109864557

  • SSDEEP

    24576:MAHnh+eWsN3skA4RV1Hom2KXMmHaUiiY0BJqS1j5:rh+ZkldoPK8YaUq03

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81bd5aa262413bbd33634493f9df78ef8293fc704adb1a7bf121f31b6b939cb9.exe
    "C:\Users\Admin\AppData\Local\Temp\81bd5aa262413bbd33634493f9df78ef8293fc704adb1a7bf121f31b6b939cb9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2624
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\81bd5aa262413bbd33634493f9df78ef8293fc704adb1a7bf121f31b6b939cb9.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2624-11-0x0000000001100000-0x0000000001104000-memory.dmp

    Filesize

    16KB

  • memory/4576-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4576-13-0x00000000744DE000-0x00000000744DF000-memory.dmp

    Filesize

    4KB

  • memory/4576-14-0x0000000005780000-0x0000000005D24000-memory.dmp

    Filesize

    5.6MB

  • memory/4576-15-0x00000000053E0000-0x0000000005446000-memory.dmp

    Filesize

    408KB

  • memory/4576-16-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB

  • memory/4576-19-0x00000000066A0000-0x00000000066F0000-memory.dmp

    Filesize

    320KB

  • memory/4576-20-0x0000000006790000-0x0000000006822000-memory.dmp

    Filesize

    584KB

  • memory/4576-21-0x0000000006720000-0x000000000672A000-memory.dmp

    Filesize

    40KB

  • memory/4576-22-0x00000000744DE000-0x00000000744DF000-memory.dmp

    Filesize

    4KB

  • memory/4576-23-0x00000000744D0000-0x0000000074C80000-memory.dmp

    Filesize

    7.7MB