Resubmissions
30-08-2024 13:08
240830-qc7asswhlm 1030-08-2024 12:52
240830-p4dbcsvdle 1030-08-2024 12:50
240830-p25mtswdkr 1030-08-2024 12:48
240830-p126bawcpr 10Analysis
-
max time kernel
55s -
max time network
55s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
30-08-2024 12:48
Static task
static1
Behavioral task
behavioral1
Sample
027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745.dll
Resource
win7-20240704-en
windows7-x64
17 signatures
150 seconds
General
-
Target
027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745.dll
-
Size
353KB
-
MD5
71b6a493388e7d0b40c83ce903bc6b04
-
SHA1
34f917aaba5684fbe56d3c57d48ef2a1aa7cf06d
-
SHA256
027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745
-
SHA512
072205eca5099d9269f358fe534b370ff21a4f12d7938d6d2e2713f69310f0698e53b8aff062849f0b2a521f68bee097c1840993825d2a5a3aa8cf4145911c6f
-
SSDEEP
6144:y/Bt80VmNTBo/x95ZjAetGDN3VFNq7pC+9OqFoK30b3ni5rdQY/CdUOs2:y/X4NTS/x9jNG+w+9OqFoK323qdQYKUG
Malware Config
Signatures
-
Mimikatz
mimikatz is an open source tool to dump credentials on Windows.
-
mimikatz is an open source tool to dump credentials on Windows 1 IoCs
resource yara_rule behavioral2/files/0x00080000000234a4-14.dat mimikatz -
Deletes itself 1 IoCs
pid Process 3676 rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 3640 AFB8.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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 (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Annotations\Stamps\ENU\StandardBusiness.pdf 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 (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\Reader\WebResources\Resource0\static\js\plugins\sample-files\assets\Sample Files\Complex Machine.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\Microsoft Office\root\Office16\1033\PROTTPLN.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\MobileAcrobatCard_Light.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\win32\jawt_md.h 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 (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\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\HomeBanner_Dark.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 Cloud Services.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 Sign White Paper.pdf 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\Office16\SAMPLES\SOLVSAMP.XLS rundll32.exe File opened for modification C:\Program Files\ResumeEdit.xlsx 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 (x86)\Adobe\Acrobat Reader DC\Resource\ENUtxt.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\Welcome.pdf rundll32.exe File opened for modification C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrome.7z rundll32.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.cfg 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\Java\jdk-1.8\include\jvmticmlr.h 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\Java\jdk-1.8\jre\lib\deploy\ffjcext.zip 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\vfs\Windows\SHELLNEW\EXCEL12.XLSX 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 (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\win32\bridge\AccessBridgeCallbacks.h 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\include\win32\jni_md.h 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\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\MobileScanCard_Light.pdf rundll32.exe 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 (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\Java\jre-1.8\lib\amd64\jvm.cfg 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)\Common Files\Oracle\Java\java.settings.cfg 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\jvmti.h 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\Java\jdk-1.8\include\jni.h 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\ConnectStop.doc 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\include\win32\bridge\AccessBridgeCalls.c rundll32.exe File opened for modification C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\Assets\Archive.zip 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 (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\PDFSigQFormalRep.pdf rundll32.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\Annotations\Stamps\ENU\Dynamic.pdf rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745 rundll32.exe File created C:\Windows\dllhost.dat rundll32.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process 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 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 400 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 3676 rundll32.exe 3676 rundll32.exe 3640 AFB8.tmp 3640 AFB8.tmp 3640 AFB8.tmp 3640 AFB8.tmp 3640 AFB8.tmp 3640 AFB8.tmp 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 9 IoCs
description pid Process Token: SeShutdownPrivilege 3676 rundll32.exe Token: SeDebugPrivilege 3676 rundll32.exe Token: SeTcbPrivilege 3676 rundll32.exe Token: SeDebugPrivilege 3640 AFB8.tmp Token: SeDebugPrivilege 4244 taskmgr.exe Token: SeSystemProfilePrivilege 4244 taskmgr.exe Token: SeCreateGlobalPrivilege 4244 taskmgr.exe Token: 33 4244 taskmgr.exe Token: SeIncBasePriorityPrivilege 4244 taskmgr.exe -
Suspicious use of FindShellTrayWindow 38 IoCs
pid Process 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe -
Suspicious use of SendNotifyMessage 38 IoCs
pid Process 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe 4244 taskmgr.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2072 wrote to memory of 3676 2072 rundll32.exe 84 PID 2072 wrote to memory of 3676 2072 rundll32.exe 84 PID 2072 wrote to memory of 3676 2072 rundll32.exe 84 PID 3676 wrote to memory of 1456 3676 rundll32.exe 85 PID 3676 wrote to memory of 1456 3676 rundll32.exe 85 PID 3676 wrote to memory of 1456 3676 rundll32.exe 85 PID 3676 wrote to memory of 3640 3676 rundll32.exe 86 PID 3676 wrote to memory of 3640 3676 rundll32.exe 86 PID 1456 wrote to memory of 400 1456 cmd.exe 89 PID 1456 wrote to memory of 400 1456 cmd.exe 89 PID 1456 wrote to memory of 400 1456 cmd.exe 89
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2072 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745.dll,#12⤵
- Deletes itself
- 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:3676 -
C:\Windows\SysWOW64\cmd.exe/c schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 13:513⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Windows\SysWOW64\schtasks.exeschtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 13:514⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:400
-
-
-
C:\Users\Admin\AppData\Local\Temp\AFB8.tmp"C:\Users\Admin\AppData\Local\Temp\AFB8.tmp" \\.\pipe\{203F1638-50CA-424C-A3DD-956A97A230A9}3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3640
-
-
-
C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4244
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
55KB
MD57e37ab34ecdcc3e77e24522ddfd4852d
SHA138e2855e11e353cedf9a8a4f2f2747f1c5c07fcf
SHA25602ef73bd2458627ed7b397ec26ee2de2e92c71a0e7588f78734761d8edbdcd9f
SHA5121b037a2aa8bf951d2ffe2f724aa0b2fbb39c2173215806ba0327bda7b096301d887f9bb7db46f9e04584b16aa6b1aaeaf67f0ecf5f20eb02ceac27c8753ca587