Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-09-2024 05:58

General

  • Target

    Halk Bank.exe

  • Size

    1.1MB

  • MD5

    9d89bf38f44abe7199f4b7e34cebc254

  • SHA1

    eb48fb2f074aae30481beac7867794eb62cc383e

  • SHA256

    516b4492c4c76ba5d22f4e3867184816033a72712f7348f3d00d7903533fd7a3

  • SHA512

    345ac5d5b303253a2b42a366b9ece2fd0d5617bb6bd6b8cc4e26d4b9ffb5768d048c46723f35e0cd8dcd2bde3832245f515636b3d3b638aeba76d4332f743ddf

  • SSDEEP

    24576:uRmJkcoQricOIQxiZY1iaCkGI07jkbxayssxXQo60Hr8L1:7JZoQrbTFZY1iaCBvnGLmh

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 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Halk Bank.exe
    "C:\Users\Admin\AppData\Local\Temp\Halk Bank.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:2112
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Halk Bank.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2112-2-0x00000000039A0000-0x0000000003DA0000-memory.dmp

    Filesize

    4.0MB

  • memory/2376-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2376-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2376-5-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2376-8-0x00000000741CE000-0x00000000741CF000-memory.dmp

    Filesize

    4KB

  • memory/2376-9-0x00000000741C0000-0x00000000748AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2376-11-0x00000000741CE000-0x00000000741CF000-memory.dmp

    Filesize

    4KB

  • memory/2376-12-0x00000000741C0000-0x00000000748AE000-memory.dmp

    Filesize

    6.9MB