Analysis

  • max time kernel
    103s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/08/2024, 01:35

General

  • Target

    KN_PI_final_Remittance.exe

  • Size

    1.1MB

  • MD5

    a35c7aa0093db5706ba9d5717613c16c

  • SHA1

    b5572cc3c5286bb07e36b5a59103d81135f1471c

  • SHA256

    accd2ccd2be48b4303154bb87f87d0d6897441c18ca7b16b22fbaa8b68bbacbb

  • SHA512

    febf64d6e042047c88d56533eec5c19e8cb427ce36d0d1fd642b8e3d65b132f710d4a839488eaea1da2b978444c8b524f554bf237b56f82d91500e56805bc245

  • SSDEEP

    24576:4qDEvCTbMWu7rQYlBQcBiT6rprG8aod0W0+d2nM:4TvC/MTQYxsWR7aoV6

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.

  • 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
  • Program crash 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\KN_PI_final_Remittance.exe
    "C:\Users\Admin\AppData\Local\Temp\KN_PI_final_Remittance.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:3468
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\KN_PI_final_Remittance.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2796
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 692
      2⤵
      • Program crash
      PID:1804
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3468 -ip 3468
    1⤵
      PID:2272

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2796-12-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2796-13-0x00000000739FE000-0x00000000739FF000-memory.dmp

      Filesize

      4KB

    • memory/2796-14-0x0000000005C00000-0x00000000061A4000-memory.dmp

      Filesize

      5.6MB

    • memory/2796-15-0x00000000057F0000-0x0000000005856000-memory.dmp

      Filesize

      408KB

    • memory/2796-16-0x00000000739F0000-0x00000000741A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2796-17-0x0000000006CB0000-0x0000000006D00000-memory.dmp

      Filesize

      320KB

    • memory/2796-18-0x0000000006DA0000-0x0000000006E32000-memory.dmp

      Filesize

      584KB

    • memory/2796-19-0x0000000006D30000-0x0000000006D3A000-memory.dmp

      Filesize

      40KB

    • memory/2796-20-0x00000000739FE000-0x00000000739FF000-memory.dmp

      Filesize

      4KB

    • memory/2796-21-0x00000000739F0000-0x00000000741A0000-memory.dmp

      Filesize

      7.7MB

    • memory/3468-11-0x0000000002160000-0x0000000002164000-memory.dmp

      Filesize

      16KB