mimikatz | b406f26f01869d54e6fc2b9e1732dc2c2f78fc0f8a21edd74b5369de0a6d50b4

Analysis

max time kernel
149s
max time network
148s
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

Ransomware.NotPetya.exe
Size

366KB
MD5

e5cc289b0b2b74b8e02f5a7f07867705
SHA1

81a884e16a81979c7fe56e61bcfdb94f8bb937ff
SHA256

6497eb7e530ccecce0bc9d8a0771221d7e980b7be875b2b3969110eb8b8f2305
SHA512

4cd22f953ce44d6d960dbe2bf651ae01fc865ec45742450a24a15c6f6b48b825b7979dbf287bf87f8290344f7bf5bf69d1c1f762f2e81a27d1fe0997712a5d2f
SSDEEP

6144:vLh5iWs5gArF3LDd84ESQoCGhWg2ZQkyDfTbjfyLX1WYaaGM6Btk2:vN5iWs5gZ4E6CyWgcQBzvja4YaaUtk2

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
behavioral1/files/0x000700000001746c-17.dat	mimikatz

Executes dropped EXE 1 IoCs

Processes:

E936.tmp

pid	Process
2720	E936.tmp

Loads dropped DLL 3 IoCs

Processes:

rundll32.exe

pid	Process
2184	rundll32.exe
2184	rundll32.exe
2748

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\Java\jdk1.7.0_80\include\jni.h	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\PDFSigQFormalRep.pdf	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 Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\Settings.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\Explorer.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\AssemblyInfoInternal.zip	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\CNFNOT.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 Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\Class.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\Java\jdk1.7.0_80\jre\lib\deploy\ffjcext.zip	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)\Microsoft Office\Office14\FORMS\1033\RCLRPT.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\SCHDREST.CFG	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\Java\jdk1.7.0_80\lib\visualvm\etc\visualvm.conf	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\1033\PROTTPLN.PPT	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\REMOTE.CFG	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\Java\jdk1.7.0_80\jre\lib\amd64\jvm.cfg	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\UserControl.zip	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)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\Dataset.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)\Common Files\microsoft shared\GRPHFLT\CGMIMP32.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\CNFRES.CFG	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\INFOMAIL.CFG	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\EXITEM.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 Office\Office14\OSPP.VBS	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 (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\Form.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\TASK.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\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\1423861240811.profile.gz	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\IDTemplates\ENU\DefaultID.pdf	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\POSTIT.CFG	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 Office\Office14\FORMS\1033\SECREC.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\VisualBasic\1033\SplashScreen.zip	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\include\win32\bridge\AccessBridgeCallbacks.h	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\include\win32\jawt_md.h	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\CSharp\1033\Interface.zip	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\CSharp\1033\Resource.zip	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\include\jvmticmlr.h	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 Office\Office14\FORMS\1033\REPORT.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 Visual Studio 8\Common7\IDE\VSTA\ItemTemplates\VisualBasic\1033\Text.zip	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\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\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.engine\profileRegistry\JMC.profile\1423861261279.profile.gz	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\CSharp\1033\AssemblyInfo.zip	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 (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC	rundll32.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\FORMS\1033\SCHDRESP.CFG	rundll32.exe

Drops file in Windows directory 4 IoCs

Processes:

rundll32.exeRansomware.NotPetya.exe

description	ioc	Process
File created	C:\Windows\dllhost.dat	rundll32.exe
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

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:

schtasks.exeRansomware.NotPetya.exerundll32.execmd.exe

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

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
2824	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

rundll32.exeE936.tmp

pid	Process
2184	rundll32.exe
2720	E936.tmp
2720	E936.tmp
2720	E936.tmp
2720	E936.tmp
2720	E936.tmp

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

rundll32.exeE936.tmp

description	pid	Process
Token: SeShutdownPrivilege	2184	rundll32.exe
Token: SeDebugPrivilege	2184	rundll32.exe
Token: SeTcbPrivilege	2184	rundll32.exe
Token: SeDebugPrivilege	2720	E936.tmp

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

Ransomware.NotPetya.exerundll32.execmd.exe

description	pid	Process	procid_target
PID 2688 wrote to memory of 2184	2688	Ransomware.NotPetya.exe	31
PID 2688 wrote to memory of 2184	2688	Ransomware.NotPetya.exe	31
PID 2688 wrote to memory of 2184	2688	Ransomware.NotPetya.exe	31
PID 2688 wrote to memory of 2184	2688	Ransomware.NotPetya.exe	31
PID 2688 wrote to memory of 2184	2688	Ransomware.NotPetya.exe	31
PID 2688 wrote to memory of 2184	2688	Ransomware.NotPetya.exe	31
PID 2688 wrote to memory of 2184	2688	Ransomware.NotPetya.exe	31
PID 2184 wrote to memory of 2300	2184	rundll32.exe	32
PID 2184 wrote to memory of 2300	2184	rundll32.exe	32
PID 2184 wrote to memory of 2300	2184	rundll32.exe	32
PID 2184 wrote to memory of 2300	2184	rundll32.exe	32
PID 2184 wrote to memory of 2720	2184	rundll32.exe	34
PID 2184 wrote to memory of 2720	2184	rundll32.exe	34
PID 2184 wrote to memory of 2720	2184	rundll32.exe	34
PID 2184 wrote to memory of 2720	2184	rundll32.exe	34
PID 2300 wrote to memory of 2824	2300	cmd.exe	36
PID 2300 wrote to memory of 2824	2300	cmd.exe	36
PID 2300 wrote to memory of 2824	2300	cmd.exe	36
PID 2300 wrote to memory of 2824	2300	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\Ransomware.NotPetya.exe
"C:\Users\Admin\AppData\Local\Temp\Ransomware.NotPetya.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2184
- - C:\Windows\SysWOW64\cmd.exe
    /c schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 06:19
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2300
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 06:19
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2824
- - C:\Users\Admin\AppData\Local\Temp\E936.tmp
    "C:\Users\Admin\AppData\Local\Temp\E936.tmp" \\.\pipe\{914DD4E2-E3D3-45FE-85D9-EAFEE7B77139}
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2720

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

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Downloads

C:\Windows\perfc.dat

Filesize
353KB

MD5
71b6a493388e7d0b40c83ce903bc6b04

SHA1
34f917aaba5684fbe56d3c57d48ef2a1aa7cf06d

SHA256
027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745

SHA512
072205eca5099d9269f358fe534b370ff21a4f12d7938d6d2e2713f69310f0698e53b8aff062849f0b2a521f68bee097c1840993825d2a5a3aa8cf4145911c6f

Download Submit
\Users\Admin\AppData\Local\Temp\E936.tmp

Filesize
55KB

MD5
7e37ab34ecdcc3e77e24522ddfd4852d

SHA1
38e2855e11e353cedf9a8a4f2f2747f1c5c07fcf

SHA256
02ef73bd2458627ed7b397ec26ee2de2e92c71a0e7588f78734761d8edbdcd9f

SHA512
1b037a2aa8bf951d2ffe2f724aa0b2fbb39c2173215806ba0327bda7b096301d887f9bb7db46f9e04584b16aa6b1aaeaf67f0ecf5f20eb02ceac27c8753ca587

Download Submit
memory/2184-4-0x0000000000310000-0x000000000036E000-memory.dmp

Filesize
376KB

Download
memory/2184-12-0x0000000000310000-0x000000000036E000-memory.dmp

Filesize
376KB

Download
memory/2184-15-0x0000000000310000-0x000000000036E000-memory.dmp

Filesize
376KB

Download
memory/2184-13-0x0000000000310000-0x000000000036E000-memory.dmp

Filesize
376KB

Download
memory/2184-28-0x0000000000310000-0x000000000036E000-memory.dmp

Filesize
376KB

Download
memory/2688-1-0x0000000000D10000-0x0000000000D6F000-memory.dmp

Filesize
380KB

Download
memory/2688-2-0x0000000000D10000-0x0000000000D6F000-memory.dmp

Filesize
380KB

Download