Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-09-2024 01:09

General

  • Target

    3ffab2379543cd74e1e8ef2b3fcba558dfc8e2ec5346a7c7b682bda647ce4973.xlam

  • Size

    805KB

  • MD5

    b0519ab985bf00c58bf72c8c0b57cac4

  • SHA1

    bc46f1a57dcf145f0e3e45e360adb77be8bbc6d5

  • SHA256

    3ffab2379543cd74e1e8ef2b3fcba558dfc8e2ec5346a7c7b682bda647ce4973

  • SHA512

    8fb177421623afd6e75b3cb14984c69799a8965b22c8476149cd8e6680102cdb9ed7f4a25f2a285a175f2c06f627a14e0c8fb548f90a74ddd1f3f376ee5aa531

  • SSDEEP

    24576:afjrvHEvTJkWxJ+DG3DwSq1O/TpsUJIXTdbK:ej7HEvTB/+i3MSqs/+XTpK

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.

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\3ffab2379543cd74e1e8ef2b3fcba558dfc8e2ec5346a7c7b682bda647ce4973.xlam
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1564
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Launches Equation Editor
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Users\Admin\AppData\Local\Temp\resaonjiEUFX.exe
      C:\Users\Admin\AppData\Local\Temp\resaonjiEUFX.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2588
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        C:\Users\Admin\AppData\Local\Temp\resaonjiEUFX.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1948

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\resaonjiEUFX.exe

    Filesize

    1.1MB

    MD5

    d822f5b3ac838341b2643c8908f0bc4f

    SHA1

    5c2b7db07f3d4356d8b829e764f9ab744d6bca4a

    SHA256

    9dde591540775e53b8022335ce85851955555fcb54d35511b2b195323c981c11

    SHA512

    5ce29230039d2ce89430f3c483fb2602a59db93e92f56eb0fa2d5cf2a5f5198c900627f8edd72ed1b8be31dfcac5465b9b00f035ecb50c60207eb41b99916df6

  • memory/1564-1-0x00000000722AD000-0x00000000722B8000-memory.dmp

    Filesize

    44KB

  • memory/1564-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1564-16-0x00000000722AD000-0x00000000722B8000-memory.dmp

    Filesize

    44KB

  • memory/1564-18-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1564-19-0x00000000722AD000-0x00000000722B8000-memory.dmp

    Filesize

    44KB

  • memory/1948-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1948-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1948-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB