Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 02:20

General

  • Target

    d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe

  • Size

    1.1MB

  • MD5

    888dee7ea646f131294066ca251ac792

  • SHA1

    3608174c13ebf673f0f7424e0af8958cff5ad04c

  • SHA256

    d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62

  • SHA512

    bf9852949ec884f2f1d048284826ff326f6fb160d0b3500eb9a2aaa7dd17aa4a3bc6ba7510fd67b5067fc31bb67f5f92239614c3bb71fdd52d52bae8cb91cb58

  • SSDEEP

    24576:WAHnh+eWsN3skA4RV1Hom2KXMmHamVxjckYp3ZJGT5:xh+ZkldoPK8YamV9oZw

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 3 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 3 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 3 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 3 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 3 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 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 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe
    "C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\d3d1272d0b575b6ecf379433753feb831b42a0a9a8ba10e1708de0f8b8b82f62.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1152-10-0x0000000000220000-0x0000000000224000-memory.dmp

    Filesize

    16KB

  • memory/2316-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2316-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2316-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2316-16-0x00000000749EE000-0x00000000749EF000-memory.dmp

    Filesize

    4KB

  • memory/2316-17-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2316-19-0x00000000749EE000-0x00000000749EF000-memory.dmp

    Filesize

    4KB

  • memory/2316-20-0x00000000749E0000-0x00000000750CE000-memory.dmp

    Filesize

    6.9MB