Analysis

  • max time kernel
    92s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 09:50

General

  • Target

    INQUIRY.exe

  • Size

    3.1MB

  • MD5

    078bbe7eaeaf7e7cc2ed22c372de38c4

  • SHA1

    d27576bb00da17e68f302f4408a74f32e96fc267

  • SHA256

    b2e8f6340ca878d0c0a82b6ec6a7d88d9e2dfc6cf72f81bda974d888f95f1713

  • SHA512

    2f31282dca1ef9e01c75161f71870871959a3943c0e8b8d73308f237a90875d8ac8583994dc636bb359997c84039805d8d45d44e55635eae9d80dea7729cd0fc

  • SSDEEP

    49152:u8yJAk206NICMq5pzKRgqVzKwxgFKjEXmNXjAuyG:ZBsS

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
    "C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4508
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1976-1-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1976-2-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

    Filesize

    4KB

  • memory/1976-3-0x0000000005840000-0x0000000005DE4000-memory.dmp

    Filesize

    5.6MB

  • memory/1976-4-0x0000000005400000-0x0000000005466000-memory.dmp

    Filesize

    408KB

  • memory/1976-5-0x0000000074F40000-0x00000000756F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1976-6-0x00000000066B0000-0x0000000006700000-memory.dmp

    Filesize

    320KB

  • memory/1976-7-0x00000000067A0000-0x0000000006832000-memory.dmp

    Filesize

    584KB

  • memory/1976-8-0x0000000006730000-0x000000000673A000-memory.dmp

    Filesize

    40KB

  • memory/1976-9-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

    Filesize

    4KB

  • memory/1976-10-0x0000000074F40000-0x00000000756F0000-memory.dmp

    Filesize

    7.7MB