Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
04/10/2022, 01:27
Static task
static1
Behavioral task
behavioral1
Sample
b4b2e6ec0267e86d67f98579945dab90f08608d6248db8340b6a95ae86813226.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
b4b2e6ec0267e86d67f98579945dab90f08608d6248db8340b6a95ae86813226.exe
Resource
win10v2004-20220812-en
General
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Target
b4b2e6ec0267e86d67f98579945dab90f08608d6248db8340b6a95ae86813226.exe
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Size
350KB
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MD5
33e4035e409d8b1f24f6dbb42fbac637
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SHA1
b1f91d896bf59b434cc164ea8dd440a82edbb543
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SHA256
b4b2e6ec0267e86d67f98579945dab90f08608d6248db8340b6a95ae86813226
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SHA512
7a68fe0be6e4ff29de7d9e563ddd3506d30a84fc76e1b57cc382db9043d54b44a5d61ad90352f1e8a957bc4b707e89584711ebfcbee926eed5d6a7df4002e08d
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SSDEEP
6144:vZFPzNJtUTidCOKQzHaHXrFnk8iEgxeBgOCF+dg384dyzKX/GUaokGd:vvPzNJtUTidCMa3Rnk8iHxeBcggdszKh
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 844 2024 mshta.exe 26 -
Checks for common network interception software 1 TTPs
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions regsvr32.exe -
Looks for VirtualBox drivers on disk 2 TTPs 1 IoCs
description ioc Process File opened (read-only) C:\WINDOWS\SysWOW64\drivers\VBoxMouse.sys regsvr32.exe -
ModiLoader Second Stage 10 IoCs
resource yara_rule behavioral1/memory/1464-56-0x0000000000400000-0x000000000045D000-memory.dmp modiloader_stage2 behavioral1/memory/1464-60-0x0000000000050000-0x0000000000110000-memory.dmp modiloader_stage2 behavioral1/memory/1464-62-0x0000000000050000-0x0000000000110000-memory.dmp modiloader_stage2 behavioral1/memory/1624-65-0x0000000005C50000-0x0000000005D10000-memory.dmp modiloader_stage2 behavioral1/memory/1624-69-0x0000000005C50000-0x0000000005D10000-memory.dmp modiloader_stage2 behavioral1/memory/1828-71-0x0000000000090000-0x0000000000150000-memory.dmp modiloader_stage2 behavioral1/memory/1712-75-0x00000000001A0000-0x0000000000260000-memory.dmp modiloader_stage2 behavioral1/memory/1464-76-0x0000000000050000-0x0000000000110000-memory.dmp modiloader_stage2 behavioral1/memory/1828-77-0x0000000000090000-0x0000000000150000-memory.dmp modiloader_stage2 behavioral1/memory/1712-78-0x00000000001A0000-0x0000000000260000-memory.dmp modiloader_stage2 -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ = "mshta javascript:YGL2P0cd=\"VI8q1M\";g9a=new%20ActiveXObject(\"WScript.Shell\");W5GkxczSB=\"6LuGCY\";tj8KK=g9a.RegRead(\"HKLM\\\\software\\\\Wow6432Node\\\\a3ad80ee84\\\\4b43b777\");iJhnOZ38=\"i8faeTI\";eval(tj8KK);aChyn6Rs=\"UiRTI0\";" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run regsvr32.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools regsvr32.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion regsvr32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion regsvr32.exe -
Deletes itself 1 IoCs
pid Process 1828 regsvr32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ = "mshta javascript:NIX9QsSe=\"z\";CF6=new%20ActiveXObject(\"WScript.Shell\");JkZ0No7oz=\"c\";ifj7f=CF6.RegRead(\"HKLM\\\\software\\\\Wow6432Node\\\\a3ad80ee84\\\\4b43b777\");X7gdvNO7=\"vpTHI\";eval(ifj7f);aMNPk9aR=\"ymcprHCPYF\";" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "mshta javascript:ShuWu5F=\"JLBoH80D\";H70O=new%20ActiveXObject(\"WScript.Shell\");XcoxPu8S4=\"0nXjYkxb\";qb59VH=H70O.RegRead(\"HKCU\\\\software\\\\a3ad80ee84\\\\4b43b777\");rgpf58Jxh=\"xu3PPqUyZ\";eval(qb59VH);r0Q3FdWkT=\"rxqiy\";" regsvr32.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum regsvr32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 regsvr32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\International regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1624 powershell.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe -
Suspicious behavior: MapViewOfSection 6 IoCs
pid Process 1624 powershell.exe 1624 powershell.exe 1624 powershell.exe 1828 regsvr32.exe 1828 regsvr32.exe 1828 regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1624 powershell.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 844 wrote to memory of 1624 844 mshta.exe 28 PID 844 wrote to memory of 1624 844 mshta.exe 28 PID 844 wrote to memory of 1624 844 mshta.exe 28 PID 844 wrote to memory of 1624 844 mshta.exe 28 PID 1624 wrote to memory of 1828 1624 powershell.exe 30 PID 1624 wrote to memory of 1828 1624 powershell.exe 30 PID 1624 wrote to memory of 1828 1624 powershell.exe 30 PID 1624 wrote to memory of 1828 1624 powershell.exe 30 PID 1624 wrote to memory of 1828 1624 powershell.exe 30 PID 1624 wrote to memory of 1828 1624 powershell.exe 30 PID 1624 wrote to memory of 1828 1624 powershell.exe 30 PID 1828 wrote to memory of 1712 1828 regsvr32.exe 31 PID 1828 wrote to memory of 1712 1828 regsvr32.exe 31 PID 1828 wrote to memory of 1712 1828 regsvr32.exe 31 PID 1828 wrote to memory of 1712 1828 regsvr32.exe 31 PID 1828 wrote to memory of 1712 1828 regsvr32.exe 31 PID 1828 wrote to memory of 1712 1828 regsvr32.exe 31 PID 1828 wrote to memory of 1712 1828 regsvr32.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\b4b2e6ec0267e86d67f98579945dab90f08608d6248db8340b6a95ae86813226.exe"C:\Users\Admin\AppData\Local\Temp\b4b2e6ec0267e86d67f98579945dab90f08608d6248db8340b6a95ae86813226.exe"1⤵PID:1464
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C:\Windows\system32\mshta.exe"C:\Windows\system32\mshta.exe" javascript:tGQAo5uSg8="Xl5";rq86=new%20ActiveXObject("WScript.Shell");N5D8JKfE="K9k9hR";UVB93f=rq86.RegRead("HKLM\\software\\Wow6432Node\\PwD90ptROS\\TrqswyU");fngXlte1="Fbq";eval(UVB93f);H3PKqXh="NNVxA";1⤵
- Process spawned unexpected child process
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:844 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" iex $env:nndvwkya2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe3⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VirtualBox drivers on disk
- Adds policy Run key to start application
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Deletes itself
- Adds Run key to start application
- Maps connected drives based on registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1828 -
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\SysWOW64\regsvr32.exe"4⤵PID:1712
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