mimikatz | b406f26f01869d54e6fc2b9e1732dc2c2f78fc0f8a21edd74b5369de0a6d50b4

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-11-2024 05:16

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General

Target

ayonigga.cmd
Size

44B
MD5

47890dcb8055d784b4d6a7cd40489881
SHA1

1bbb3241ae64d8b5979ecfce992c181b48009c51
SHA256

7c39af713d9b2983b7dbbefdbd6c0c36fffdc40bba97b7015dee2f4549510449
SHA512

bbe72e1fb1287a30920f6842cae2d00ab9ee31f2ffb1ee3b09c1f6db3008e81fec9ad7133ed72ae7532e0e181a4cbea8b5bbdbe66543ac932830c6ed08ea2107

Score

10^/10

mimikatz bootkit discovery persistence spyware stealer

Malware Config

Signatures

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

mimikatz is an open source tool to dump credentials on Windows 1 IoCs

Processes:

resource	yara_rule
behavioral3/files/0x0006000000016edb-41.dat	mimikatz

Executes dropped EXE 2 IoCs

Processes:

EFDB.tmpwww.exe

pid	Process
1656	EFDB.tmp
2040	www.exe

Loads dropped DLL 5 IoCs

Processes:

rundll32.exewww.exewww.exe

pid	Process
2728	rundll32.exe
2728	rundll32.exe
2552
2176	www.exe
2040	www.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

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.

bootkit persistence

Bootkit

T1542.003

Processes:

rundll32.exe

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	rundll32.exe

Drops file in Program Files directory 64 IoCs

Processes:

rundll32.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\SECURE.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\SMIMES.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\TASKDEC.CFG	rundll32.exe
File opened for modification	C:\Program Files\Java\jre7\lib\amd64\jvm.cfg	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\NOTE.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\OMSMMS.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.XLS	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\SMIMEE.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\Dataset.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\Form.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\Module.zip	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\include\win32\jni_md.h	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\POST.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\TASKUPD.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Annotations\Stamps\ENU\StandardBusiness.pdf	rundll32.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\en-US\eula.rtf	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\ResourceInternal.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\SettingsInternal.zip	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\include\win32\bridge\AccessBridgeCalls.h	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\amd64\jvm.cfg	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\deploy\ffjcext.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\AppConfig.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\AssemblyInfo.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Annotations\Stamps\ENU\SignHere.pdf	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\REC.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\TASKREQ.CFG	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\include\win32\bridge\AccessBridgeCalls.c	rundll32.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.cfg	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\Settings.zip	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\include\jdwpTransport.h	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\AccessWeb\SERVWRAP.ASP	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\IPM.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\SCHDCNCL.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\AssemblyInfoInternal.zip	rundll32.exe
File opened for modification	C:\Program Files\Internet Explorer\en-US\eula.rtf	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\include\classfile_constants.h	rundll32.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrome.7z	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.engine\profileRegistry\JMC.profile\1423861240811.profile.gz	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\SCHDREQ.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\SECREC.CFG	rundll32.exe
File opened for modification	C:\Program Files\StopUnregister.cfg	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\ENUtxt.pdf	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Sync Framework\v1.0\Documentation\1033\License Agreements\SynchronizationEula.rtf	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\RSSITEM.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\Form.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\SettingsInternal.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\AppConfigurationInternal.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\Text.zip	rundll32.exe
File opened for modification	C:\Program Files\ShowBlock.php	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\OMSSMS.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\EmptyDatabase.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\SCHDRESN.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\DataSet.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\TextFile.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\Class.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\Dialog.zip	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.engine\profileRegistry\JMC.profile\1423861240389.profile.gz	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.engine\profileRegistry\JMC.profile\1423861258748.profile.gz	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\APPT.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\TASKACC.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\AppConfigInternal.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\MDIParent.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\CodeFile.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\UserControl.zip	rundll32.exe

Drops file in Windows directory 4 IoCs

Processes:

Ransomware.NotPetya.exerundll32.exe

description	ioc	Process
File created	C:\Windows\perfc.dat	Ransomware.NotPetya.exe
File opened for modification	C:\Windows\perfc.dat	rundll32.exe
File created	C:\Windows\perfc	rundll32.exe
File created	C:\Windows\dllhost.dat	rundll32.exe

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

System Language Discovery

T1614.001

Processes:

Ransomware.NotPetya.exerundll32.execmd.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ransomware.NotPetya.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
2880	schtasks.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

Processes:

Ransomware.NotPetya.exe

pid	Process
2680	Ransomware.NotPetya.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

rundll32.exeEFDB.tmp

pid	Process
2728	rundll32.exe
1656	EFDB.tmp
1656	EFDB.tmp
1656	EFDB.tmp
1656	EFDB.tmp
1656	EFDB.tmp

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

rundll32.exeEFDB.tmp

description	pid	Process
Token: SeShutdownPrivilege	2728	rundll32.exe
Token: SeDebugPrivilege	2728	rundll32.exe
Token: SeTcbPrivilege	2728	rundll32.exe
Token: SeDebugPrivilege	1656	EFDB.tmp

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

cmd.exeRansomware.NotPetya.exerundll32.exewww.execmd.exe

description	pid	Process	procid_target
PID 2716 wrote to memory of 2176	2716	cmd.exe	32
PID 2716 wrote to memory of 2176	2716	cmd.exe	32
PID 2716 wrote to memory of 2176	2716	cmd.exe	32
PID 2716 wrote to memory of 2680	2716	cmd.exe	34
PID 2716 wrote to memory of 2680	2716	cmd.exe	34
PID 2716 wrote to memory of 2680	2716	cmd.exe	34
PID 2716 wrote to memory of 2680	2716	cmd.exe	34
PID 2680 wrote to memory of 2728	2680	Ransomware.NotPetya.exe	35
PID 2680 wrote to memory of 2728	2680	Ransomware.NotPetya.exe	35
PID 2680 wrote to memory of 2728	2680	Ransomware.NotPetya.exe	35
PID 2680 wrote to memory of 2728	2680	Ransomware.NotPetya.exe	35
PID 2680 wrote to memory of 2728	2680	Ransomware.NotPetya.exe	35
PID 2680 wrote to memory of 2728	2680	Ransomware.NotPetya.exe	35
PID 2680 wrote to memory of 2728	2680	Ransomware.NotPetya.exe	35
PID 2728 wrote to memory of 2844	2728	rundll32.exe	36
PID 2728 wrote to memory of 2844	2728	rundll32.exe	36
PID 2728 wrote to memory of 2844	2728	rundll32.exe	36
PID 2728 wrote to memory of 2844	2728	rundll32.exe	36
PID 2728 wrote to memory of 1656	2728	rundll32.exe	38
PID 2728 wrote to memory of 1656	2728	rundll32.exe	38
PID 2728 wrote to memory of 1656	2728	rundll32.exe	38
PID 2728 wrote to memory of 1656	2728	rundll32.exe	38
PID 2176 wrote to memory of 2040	2176	www.exe	40
PID 2176 wrote to memory of 2040	2176	www.exe	40
PID 2176 wrote to memory of 2040	2176	www.exe	40
PID 2844 wrote to memory of 2880	2844	cmd.exe	41
PID 2844 wrote to memory of 2880	2844	cmd.exe	41
PID 2844 wrote to memory of 2880	2844	cmd.exe	41
PID 2844 wrote to memory of 2880	2844	cmd.exe	41

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\ayonigga.cmd"
1⤵
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Users\Admin\AppData\Local\Temp\www.exe
  www.exe
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Users\Admin\AppData\Local\Temp\onefile_2176_133772445785424000\www.exe
    C:\Users\Admin\AppData\Local\Temp\www.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2040
- C:\Users\Admin\AppData\Local\Temp\Ransomware.NotPetya.exe
  Ransomware.NotPetya.exe
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\system32\rundll32.exe C:\Windows\perfc.dat,#1
    3⤵
    - Loads dropped DLL
    - 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:2728
  - - C:\Windows\SysWOW64\cmd.exe
      /c schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 06:19
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2844
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 06:19
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2880
  - - C:\Users\Admin\AppData\Local\Temp\EFDB.tmp
      "C:\Users\Admin\AppData\Local\Temp\EFDB.tmp" \\.\pipe\{0C6AC943-0B34-4131-97DE-D7A235B2D356}
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\EFDB.tmp

Filesize
55KB

MD5
7e37ab34ecdcc3e77e24522ddfd4852d

SHA1
38e2855e11e353cedf9a8a4f2f2747f1c5c07fcf

SHA256
02ef73bd2458627ed7b397ec26ee2de2e92c71a0e7588f78734761d8edbdcd9f

SHA512
1b037a2aa8bf951d2ffe2f724aa0b2fbb39c2173215806ba0327bda7b096301d887f9bb7db46f9e04584b16aa6b1aaeaf67f0ecf5f20eb02ceac27c8753ca587

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_2176_133772445785424000\python312.dll

Filesize
6.6MB

MD5
166cc2f997cba5fc011820e6b46e8ea7

SHA1
d6179213afea084f02566ea190202c752286ca1f

SHA256
c045b57348c21f5f810bae60654ae39490846b487378e917595f1f95438f9546

SHA512
49d9d4df3d7ef5737e947a56e48505a2212e05fdbcd7b83d689639728639b7fd3be39506d7cfcb7563576ebee879fd305370fdb203909ed9b522b894dd87aacb

Download Submit
C:\Users\Admin\AppData\Local\Temp\onefile_2176_133772445785424000\www.exe

Filesize
14.5MB

MD5
5ff92691ce8919b8ad899ce7d7dcecc5

SHA1
05255658f0340905f753b9a96fe6303196cb1f7f

SHA256
3140e5d3820e3e40957e4e638ffabea93d61994cf00f17f976e353ccf7c15930

SHA512
c1f2a96a8241e57669e2b8c8844799db5c944b8c82eea802c370a86c6b90c7e0ea45f33a007460872fd1fd83f7f0250b10e97f78d879f2530c1df1e0298f5548

Download Submit
C:\Windows\perfc.dat

Filesize
353KB

MD5
71b6a493388e7d0b40c83ce903bc6b04

SHA1
34f917aaba5684fbe56d3c57d48ef2a1aa7cf06d

SHA256
027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745

SHA512
072205eca5099d9269f358fe534b370ff21a4f12d7938d6d2e2713f69310f0698e53b8aff062849f0b2a521f68bee097c1840993825d2a5a3aa8cf4145911c6f

Download Submit
memory/2680-1-0x00000000001F0000-0x000000000024F000-memory.dmp

Filesize
380KB

Download
memory/2680-2-0x00000000001F0000-0x000000000024F000-memory.dmp

Filesize
380KB

Download
memory/2728-15-0x0000000000CE0000-0x0000000000D3E000-memory.dmp

Filesize
376KB

Download
memory/2728-24-0x0000000000CE0000-0x0000000000D3E000-memory.dmp

Filesize
376KB

Download
memory/2728-33-0x0000000000CE0000-0x0000000000D3E000-memory.dmp

Filesize
376KB

Download
memory/2728-31-0x0000000000CE0000-0x0000000000D3E000-memory.dmp

Filesize
376KB

Download
memory/2728-56-0x0000000000CE0000-0x0000000000D3E000-memory.dmp

Filesize
376KB

Download