Analysis

  • max time kernel
    106s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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 4 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:1196
    • 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:464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/464-3-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/464-4-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

    Filesize

    4KB

  • memory/464-5-0x00000000058C0000-0x0000000005E64000-memory.dmp

    Filesize

    5.6MB

  • memory/464-6-0x0000000005500000-0x0000000005566000-memory.dmp

    Filesize

    408KB

  • memory/464-7-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/464-9-0x0000000006AB0000-0x0000000006B00000-memory.dmp

    Filesize

    320KB

  • memory/464-10-0x0000000006BA0000-0x0000000006C32000-memory.dmp

    Filesize

    584KB

  • memory/464-11-0x0000000006B30000-0x0000000006B3A000-memory.dmp

    Filesize

    40KB

  • memory/464-12-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

    Filesize

    4KB

  • memory/464-13-0x0000000074F30000-0x00000000756E0000-memory.dmp

    Filesize

    7.7MB

  • memory/1196-2-0x00000000043F0000-0x00000000047F0000-memory.dmp

    Filesize

    4.0MB