Overview

overview

10

Static

static

3

63545fa195...8a.exe

windows10-1703-x64

10

Analysis

  • max time kernel
    64s
  • max time network
    66s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    24-09-2024 14:18

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General

  • Target

    63545fa195488ff51955f09833332b9660d18f8afb16bdf579134661962e548a.exe

  • Size

    390KB

  • MD5

    5b7e6e352bacc93f7b80bc968b6ea493

  • SHA1

    e686139d5ed8528117ba6ca68fe415e4fb02f2be

  • SHA256

    63545fa195488ff51955f09833332b9660d18f8afb16bdf579134661962e548a

  • SHA512

    9d24af0cb00fb8a5e61e9d19cd603b5541a22ae6229c2acf498447e0e7d4145fee25c8ab9d5d5f18f554e6cbf8ca56b7ca3144e726d7dfd64076a42a25b3dfb6

  • SSDEEP

    12288:ef/X4NTS/x9jNG+w+9OqFoK323qdQYKU3:EXATS/x9jNg+95vdQa

Score
10/10
mimikatzbootkitdiscoverypersistencespywarestealer

Malware Config

Signatures

  • Mimikatz

    mimikatz is an open source tool to dump credentials on Windows.

    mimikatz
  • mimikatz is an open source tool to dump credentials on Windows 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Drops file in Program Files directory 57 IoCs
  • Drops file in Windows directory 4 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.

    discovery
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63545fa195488ff51955f09833332b9660d18f8afb16bdf579134661962e548a.exe
    "C:\Users\Admin\AppData\Local\Temp\63545fa195488ff51955f09833332b9660d18f8afb16bdf579134661962e548a.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2304
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Windows\perfc.dat #1
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:244
      • C:\Windows\SysWOW64\cmd.exe
        /c schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 15:21
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1304
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 15:21
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4392
      • C:\Users\Admin\AppData\Local\Temp\6561.tmp
        "C:\Users\Admin\AppData\Local\Temp\6561.tmp" \\.\pipe\{6DD69A86-F518-433E-ACC6-42FC34B85352}
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3932
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2264

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\6561.tmp
      Filesize

      55KB

      MD5

      7e37ab34ecdcc3e77e24522ddfd4852d

      SHA1

      38e2855e11e353cedf9a8a4f2f2747f1c5c07fcf

      SHA256

      02ef73bd2458627ed7b397ec26ee2de2e92c71a0e7588f78734761d8edbdcd9f

      SHA512

      1b037a2aa8bf951d2ffe2f724aa0b2fbb39c2173215806ba0327bda7b096301d887f9bb7db46f9e04584b16aa6b1aaeaf67f0ecf5f20eb02ceac27c8753ca587

      Download Submit

    • C:\Windows\perfc.dat
      Filesize

      353KB

      MD5

      71b6a493388e7d0b40c83ce903bc6b04

      SHA1

      34f917aaba5684fbe56d3c57d48ef2a1aa7cf06d

      SHA256

      027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745

      SHA512

      072205eca5099d9269f358fe534b370ff21a4f12d7938d6d2e2713f69310f0698e53b8aff062849f0b2a521f68bee097c1840993825d2a5a3aa8cf4145911c6f

      Download Submit

    • memory/244-3-0x0000000004830000-0x000000000488E000-memory.dmp

      Filesize

      376KB

      Download

    • memory/244-10-0x0000000004830000-0x000000000488E000-memory.dmp

      Filesize

      376KB

      Download

    • memory/244-11-0x0000000004830000-0x000000000488E000-memory.dmp

      Filesize

      376KB

      Download

    • memory/244-14-0x0000000004830000-0x000000000488E000-memory.dmp

      Filesize

      376KB

      Download

    • memory/244-24-0x0000000004830000-0x000000000488E000-memory.dmp

      Filesize

      376KB

      Download