Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 10:10

General

  • Target

    PI # ARDFZC 0003722023.exe

  • Size

    1.1MB

  • MD5

    3e2a479e553002fa5a7632ff48328c9c

  • SHA1

    4bfbf7edb54b0f7c64037a48674a6865a7ce844a

  • SHA256

    f80099a7582ca527be303b551c9efd3080fd8d729f29cada9113693399737229

  • SHA512

    def737da2e9f4650d41a711020c40acccfa5deaba4126a8f51dcebb646116f0df60a5ccf9fe14168faea1bc643522c2e2a6150db26a3806cd81a911f182c1bb5

  • SSDEEP

    12288:vFkCRtvzGNWF+T1wn+dMhkZ5lilHBU2XHsS97nzJAgxXrYjdscZ+h/rOsIp5Rn4K:vFRtvzGNWBpK/liNnHscb7YjdsNDbIV

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 2 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PI # ARDFZC 0003722023.exe
    "C:\Users\Admin\AppData\Local\Temp\PI # ARDFZC 0003722023.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eYabbCiXCEoiEZ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eYabbCiXCEoiEZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA58.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2692
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDA58.tmp

    Filesize

    1KB

    MD5

    05ac46d7a6c41d536dc616b27a59ef6c

    SHA1

    769c25235bdbae6a430ffeedbbc3a33749c92a77

    SHA256

    7a37889cc6099fca9b3c33f7a969c0df2bf4fb62391575de4f6c108aba52a55a

    SHA512

    ccdf9ae948c862e078acffa513bfba143103e83f74d9da3ca201349f7995164424aaeedec8ee539313083ec6b789a9731c8af0d22a01ef2d229c6ba299b4fb40

  • memory/2412-34-0x0000000000340000-0x0000000000380000-memory.dmp

    Filesize

    256KB

  • memory/2412-2-0x0000000000340000-0x0000000000380000-memory.dmp

    Filesize

    256KB

  • memory/2412-0-0x00000000009F0000-0x0000000000B04000-memory.dmp

    Filesize

    1.1MB

  • memory/2412-4-0x0000000000430000-0x0000000000438000-memory.dmp

    Filesize

    32KB

  • memory/2412-5-0x0000000000450000-0x000000000045A000-memory.dmp

    Filesize

    40KB

  • memory/2412-6-0x0000000008240000-0x00000000082BA000-memory.dmp

    Filesize

    488KB

  • memory/2412-1-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2412-25-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2412-37-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2412-3-0x00000000003C0000-0x00000000003DA000-memory.dmp

    Filesize

    104KB

  • memory/2656-36-0x0000000002800000-0x0000000002840000-memory.dmp

    Filesize

    256KB

  • memory/2656-21-0x000000006EC80000-0x000000006F22B000-memory.dmp

    Filesize

    5.7MB

  • memory/2656-18-0x000000006EC80000-0x000000006F22B000-memory.dmp

    Filesize

    5.7MB

  • memory/2656-30-0x0000000002800000-0x0000000002840000-memory.dmp

    Filesize

    256KB

  • memory/2656-15-0x000000006EC80000-0x000000006F22B000-memory.dmp

    Filesize

    5.7MB

  • memory/2656-38-0x000000006EC80000-0x000000006F22B000-memory.dmp

    Filesize

    5.7MB

  • memory/2656-28-0x0000000002800000-0x0000000002840000-memory.dmp

    Filesize

    256KB

  • memory/2976-40-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2976-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2976-33-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2976-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2976-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2976-35-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2976-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2976-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2976-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2976-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB