Overview
overview
10Static
static
3cerber.exe
windows11-21h2-x64
10cryptowall.exe
windows11-21h2-x64
3jigsaw.exe
windows11-21h2-x64
10Locky.exe
windows11-21h2-x64
10131.exe
windows11-21h2-x64
1Matsnu-MBR...3 .exe
windows11-21h2-x64
3027cc450ef...d9.dll
windows11-21h2-x64
10027cc450ef...ju.dll
windows11-21h2-x64
10myguy.hta
windows11-21h2-x64
3svchost.exe
windows11-21h2-x64
7Ransomware...ya.zip
windows11-21h2-x64
1Ransomware...na.zip
windows11-21h2-x64
1Ransomware...na.zip
windows11-21h2-x64
1Ransomware...us.zip
windows11-21h2-x64
1Resubmissions
21-02-2024 14:33
240221-rw8hmsha2y 1021-02-2024 14:31
240221-rvtm4agh7w 1021-02-2024 11:52
240221-n1xedseg6t 10Analysis
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max time kernel
299s -
max time network
301s -
platform
windows11-21h2_x64 -
resource
win11-20240214-en -
resource tags
arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system -
submitted
21-02-2024 11:52
Static task
static1
Behavioral task
behavioral1
Sample
cerber.exe
Resource
win11-20240214-en
Behavioral task
behavioral2
Sample
cryptowall.exe
Resource
win11-20240214-en
Behavioral task
behavioral3
Sample
jigsaw.exe
Resource
win11-20240214-en
Behavioral task
behavioral4
Sample
Locky.exe
Resource
win11-20240214-en
Behavioral task
behavioral5
Sample
131.exe
Resource
win11-20240214-en
Behavioral task
behavioral6
Sample
Matsnu-MBRwipingRansomware_1B2D2A4B97C7C2727D571BBF9376F54F_Inkasso Rechnung vom 27.05.2013 .exe
Resource
win11-20240214-en
Behavioral task
behavioral7
Sample
027cc450ef5f8c5f653329641ec1fed9.dll
Resource
win11-20240214-en
Behavioral task
behavioral8
Sample
027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745_98STJd8lju.dll
Resource
win11-20240214-en
Behavioral task
behavioral9
Sample
myguy.hta
Resource
win11-20240214-en
Behavioral task
behavioral10
Sample
svchost.exe
Resource
win11-20240214-en
Behavioral task
behavioral11
Sample
Ransomware-Samples-main/Petya/Ransomware.Petya.zip
Resource
win11-20240214-en
Behavioral task
behavioral12
Sample
Ransomware-Samples-main/Satana/Ransomware.Satana.zip
Resource
win11-20240214-en
Behavioral task
behavioral13
Sample
Ransomware-Samples-main/Vipasana/Ransomware.Vipasana.zip
Resource
win11-20240214-en
Behavioral task
behavioral14
Sample
Ransomware-Samples-main/WannaCry_Plus/Ransomware.WannaCry_Plus.zip
Resource
win11-20240214-en
General
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Target
027cc450ef5f8c5f653329641ec1fed9.dll
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Size
353KB
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MD5
71b6a493388e7d0b40c83ce903bc6b04
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SHA1
34f917aaba5684fbe56d3c57d48ef2a1aa7cf06d
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SHA256
027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745
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SHA512
072205eca5099d9269f358fe534b370ff21a4f12d7938d6d2e2713f69310f0698e53b8aff062849f0b2a521f68bee097c1840993825d2a5a3aa8cf4145911c6f
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SSDEEP
6144:y/Bt80VmNTBo/x95ZjAetGDN3VFNq7pC+9OqFoK30b3ni5rdQY/CdUOs2:y/X4NTS/x9jNG+w+9OqFoK323qdQYKUG
Malware Config
Signatures
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Mimikatz
mimikatz is an open source tool to dump credentials on Windows.
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mimikatz is an open source tool to dump credentials on Windows 1 IoCs
resource yara_rule behavioral7/files/0x000100000002a7a0-14.dat mimikatz -
Deletes itself 1 IoCs
pid Process 3528 rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 1052 6BAA.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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.
description ioc Process File opened for modification \??\PhysicalDrive0 rundll32.exe -
Drops file in Program Files directory 55 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.h rundll32.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\amd64\jvm.cfg rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.XLS rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\IDTemplates\ENU\DefaultID.pdf rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Annotations\Stamps\Words.pdf rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\jawt.h rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\jvmti.h rundll32.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPP.VBS rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.XLS rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Annotations\Stamps\ENU\StandardBusiness.pdf rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\MobileAcrobatCard_Dark.pdf rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\MobileScanCard_Dark.pdf rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\amd64\jvm.cfg rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgePackages.h rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\lib\deploy\ffjcext.zip rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\assets\Sample Files\Adobe Sign White Paper.pdf rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\jdwpTransport.h rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\jvmticmlr.h rundll32.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.cfg rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.c rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\PDFSigQFormalRep.pdf rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\assets\Sample Files\Adobe Acrobat Pro DC.pdf rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\assets\Sample Files\Bus Schedule.pdf rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\ENUtxt.pdf rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCallbacks.h rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\win32\jawt_md.h rundll32.exe File opened for modification C:\Program Files\UnprotectSet.docx rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\MobileScanCard_Light.pdf rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\assets\Sample Files\Complex Machine.pdf rundll32.exe File opened for modification C:\Program Files\Java\jre-1.8\lib\deploy\ffjcext.zip rundll32.exe File opened for modification C:\Program Files\UseRevoke.rtf rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Annotations\Stamps\ENU\Dynamic.pdf rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\HomeBanner_Light.pdf rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Welcome.pdf rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\win32\jni_md.h rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.PPT rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sample-files\assets\Sample Files\Adobe Cloud Services.pdf rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\Windows\SHELLNEW\EXCEL12.XLSX rundll32.exe File opened for modification C:\Program Files\EnterRead.docx 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\jdk-1.8\include\jni.h rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Web Server Extensions\16\BIN\1033\FPEXT.MSG rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Click on 'Change' to select default PDF handler.pdf rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Annotations\Stamps\ENU\SignHere.pdf rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\include\classfile_constants.h rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\1494870C-9912-C184-4CC9-B401-A53F4D8DE290.pdf rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\MobileAcrobatCard_Light.pdf rundll32.exe File opened for modification C:\Program Files\Java\jdk-1.8\javafx-src.zip rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.PPT rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\IDTemplates\ENU\AdobeID.pdf rundll32.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\SAMPLES\SOLVSAMP.XLS rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\HomeBanner_Dark.pdf rundll32.exe File opened for modification C:\Program Files (x86)\Common Files\Oracle\Java\java.settings.cfg rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\dllhost.dat rundll32.exe File created C:\Windows\027cc450ef5f8c5f653329641ec1fed9 rundll32.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3788 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3528 rundll32.exe 3528 rundll32.exe 1052 6BAA.tmp 1052 6BAA.tmp 1052 6BAA.tmp 1052 6BAA.tmp 1052 6BAA.tmp 1052 6BAA.tmp -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 3528 rundll32.exe Token: SeDebugPrivilege 3528 rundll32.exe Token: SeTcbPrivilege 3528 rundll32.exe Token: SeDebugPrivilege 1052 6BAA.tmp -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 868 wrote to memory of 3528 868 rundll32.exe 74 PID 868 wrote to memory of 3528 868 rundll32.exe 74 PID 868 wrote to memory of 3528 868 rundll32.exe 74 PID 3528 wrote to memory of 3672 3528 rundll32.exe 80 PID 3528 wrote to memory of 3672 3528 rundll32.exe 80 PID 3528 wrote to memory of 3672 3528 rundll32.exe 80 PID 3528 wrote to memory of 1052 3528 rundll32.exe 82 PID 3528 wrote to memory of 1052 3528 rundll32.exe 82 PID 3672 wrote to memory of 3788 3672 cmd.exe 84 PID 3672 wrote to memory of 3788 3672 cmd.exe 84 PID 3672 wrote to memory of 3788 3672 cmd.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\027cc450ef5f8c5f653329641ec1fed9.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:868 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\027cc450ef5f8c5f653329641ec1fed9.dll,#12⤵
- Deletes itself
- 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:3528 -
C:\Windows\SysWOW64\cmd.exe/c schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 12:563⤵
- Suspicious use of WriteProcessMemory
PID:3672 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 12:564⤵
- Creates scheduled task(s)
PID:3788
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C:\Users\Admin\AppData\Local\Temp\6BAA.tmp"C:\Users\Admin\AppData\Local\Temp\6BAA.tmp" \\.\pipe\{1D66177D-B48C-43D7-83F9-85F7FF44FACA}3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1052
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
55KB
MD57e37ab34ecdcc3e77e24522ddfd4852d
SHA138e2855e11e353cedf9a8a4f2f2747f1c5c07fcf
SHA25602ef73bd2458627ed7b397ec26ee2de2e92c71a0e7588f78734761d8edbdcd9f
SHA5121b037a2aa8bf951d2ffe2f724aa0b2fbb39c2173215806ba0327bda7b096301d887f9bb7db46f9e04584b16aa6b1aaeaf67f0ecf5f20eb02ceac27c8753ca587