Analysis

  • max time kernel
    140s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/05/2024, 01:05

General

  • Target

    94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe

  • Size

    225KB

  • MD5

    d3fd0e798deff5aa9393c62e5c8a65ea

  • SHA1

    e1258548f0852d61e74edf2309b33677cb5f46f4

  • SHA256

    94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043

  • SHA512

    d0704aab4eaf0dfb5b8c0985a4127de4ed06c57e5c0e0ebcf6286b36d2be48fd43aaad45c53c295fdc88f4c2fcdfc15ddeb4116a86bcb2ea3f79c211f74536ab

  • SSDEEP

    3072:nyAGbQw5tKM/717/wUPnS21mQbnc+BR0pKREX/WONBuwrhmc7U1iIyxmIhNXOXcU:b5+d6uwrhmFkrFjn3AgeV

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    LYGKMOPuBVzZ

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 34 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe
    "C:\Users\Admin\AppData\Local\Temp\94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4640
    • C:\Users\Admin\AppData\Local\Temp\94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe
      "C:\Users\Admin\AppData\Local\Temp\94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4936

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\94f3761d04c98e0447311db1addf9326270921c0f5170242107d81124480f043.exe.log

          Filesize

          1KB

          MD5

          f3eb81974dc5933681e933f07209ff5f

          SHA1

          7af8cae0f1d03e82daaf784df9886705685baac7

          SHA256

          e82069884dd428bd6a1c67fe00c5fa56f9c4d62b538b694694a699588f1f4ab2

          SHA512

          d9aa3871dffb76c8a73a7940fa03bbc9b65cf575cbd07f7c1fbf490cb0f3d670415eaef0bf79e34689f61ab3cdfbb104efdef004becc12e54b501f02f948aaff

        • memory/4640-0-0x000000007485E000-0x000000007485F000-memory.dmp

          Filesize

          4KB

        • memory/4640-1-0x0000000000410000-0x000000000044C000-memory.dmp

          Filesize

          240KB

        • memory/4640-2-0x0000000074850000-0x0000000075000000-memory.dmp

          Filesize

          7.7MB

        • memory/4640-3-0x0000000005EF0000-0x0000000006120000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-4-0x00000000066D0000-0x0000000006C74000-memory.dmp

          Filesize

          5.6MB

        • memory/4640-5-0x0000000006220000-0x00000000062B2000-memory.dmp

          Filesize

          584KB

        • memory/4640-15-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-13-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-29-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-33-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-55-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-59-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-69-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-67-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-65-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-63-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-61-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-57-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-53-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-51-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-49-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-47-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-45-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-43-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-41-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-39-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-37-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-35-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-31-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-25-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-27-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-19-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-17-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-11-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-9-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-7-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-23-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-21-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-6-0x0000000005EF0000-0x000000000611A000-memory.dmp

          Filesize

          2.2MB

        • memory/4640-4886-0x0000000074850000-0x0000000075000000-memory.dmp

          Filesize

          7.7MB

        • memory/4640-4887-0x0000000005820000-0x000000000588C000-memory.dmp

          Filesize

          432KB

        • memory/4640-4888-0x0000000005890000-0x00000000058DC000-memory.dmp

          Filesize

          304KB

        • memory/4640-4889-0x0000000005BF0000-0x0000000005C44000-memory.dmp

          Filesize

          336KB

        • memory/4640-4894-0x0000000074850000-0x0000000075000000-memory.dmp

          Filesize

          7.7MB

        • memory/4936-4893-0x0000000074850000-0x0000000075000000-memory.dmp

          Filesize

          7.7MB

        • memory/4936-4895-0x0000000000800000-0x0000000000842000-memory.dmp

          Filesize

          264KB

        • memory/4936-4896-0x0000000004E40000-0x0000000004EA6000-memory.dmp

          Filesize

          408KB

        • memory/4936-4897-0x0000000074850000-0x0000000075000000-memory.dmp

          Filesize

          7.7MB

        • memory/4936-4898-0x0000000006430000-0x0000000006480000-memory.dmp

          Filesize

          320KB

        • memory/4936-4899-0x0000000006520000-0x00000000065BC000-memory.dmp

          Filesize

          624KB

        • memory/4936-4900-0x00000000064D0000-0x00000000064DA000-memory.dmp

          Filesize

          40KB

        • memory/4936-4901-0x0000000074850000-0x0000000075000000-memory.dmp

          Filesize

          7.7MB