Overview

overview

10

Static

static

1

01227799.exe

windows7-x64

10

01227799.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-06-2023 06:49

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General

  • Target

    01227799.exe

  • Size

    366KB

  • MD5

    ee33c75ed9799db8d45078a01de53447

  • SHA1

    434215fb9b1034f8d4e19a54e4d83979249a1294

  • SHA256

    170680a09289ac6969171ff4173cd7a17106b8a5a3443ca4c987cb32bdc39808

  • SHA512

    1bba20041ca43a75add349bc0e28b61d683d40553ed4e6d07829ee89c011fb8331fcafb27ae0583ed57368c40272d78de11965e8be63d74248f54bed3b5299bc

  • SSDEEP

    6144:sLh5iWs5gArF3LDd84ESQoCGhWg2ZQkyDfTbjfyLX1WYaaGM6Btc2:sN5iWs5gZ4E6CyWgcQBzvja4YaaUtc2

Score
10/10
mimikatzbootkitpersistencespywarestealer

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 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 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 58 IoCs
  • Drops file in Windows directory 4 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\01227799.exe
    "C:\Users\Admin\AppData\Local\Temp\01227799.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:212
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Windows\perfc.dat,#1
      2⤵
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4476
      • C:\Windows\SysWOW64\cmd.exe
        /c schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 07:52
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2320
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 07:52
          4⤵
          • Creates scheduled task(s)
          PID:3992
      • C:\Users\Admin\AppData\Local\Temp\78CE.tmp
        "C:\Users\Admin\AppData\Local\Temp\78CE.tmp" \\.\pipe\{494AAF99-ADAA-40E3-9983-96702F82B069}
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3964

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\78CE.tmp
    Filesize

    55KB

    MD5

    7e37ab34ecdcc3e77e24522ddfd4852d

    SHA1

    38e2855e11e353cedf9a8a4f2f2747f1c5c07fcf

    SHA256

    02ef73bd2458627ed7b397ec26ee2de2e92c71a0e7588f78734761d8edbdcd9f

    SHA512

    1b037a2aa8bf951d2ffe2f724aa0b2fbb39c2173215806ba0327bda7b096301d887f9bb7db46f9e04584b16aa6b1aaeaf67f0ecf5f20eb02ceac27c8753ca587

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\78CE.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

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  • C:\Windows\perfc.dat
    Filesize

    353KB

    MD5

    71b6a493388e7d0b40c83ce903bc6b04

    SHA1

    34f917aaba5684fbe56d3c57d48ef2a1aa7cf06d

    SHA256

    027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745

    SHA512

    072205eca5099d9269f358fe534b370ff21a4f12d7938d6d2e2713f69310f0698e53b8aff062849f0b2a521f68bee097c1840993825d2a5a3aa8cf4145911c6f

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  • memory/212-133-0x0000000000F40000-0x0000000000F9F000-memory.dmp

    Filesize

    380KB

    Download

  • memory/212-135-0x0000000000F40000-0x0000000000F9F000-memory.dmp

    Filesize

    380KB

    Download

  • memory/4476-138-0x00000000022E0000-0x000000000233E000-memory.dmp

    Filesize

    376KB

    Download

  • memory/4476-146-0x00000000022E0000-0x000000000233E000-memory.dmp

    Filesize

    376KB

    Download

  • memory/4476-147-0x00000000022E0000-0x000000000233E000-memory.dmp

    Filesize

    376KB

    Download

  • memory/4476-150-0x00000000022E0000-0x000000000233E000-memory.dmp

    Filesize

    376KB

    Download

  • memory/4476-156-0x00000000022E0000-0x000000000233E000-memory.dmp

    Filesize

    376KB

    Download