Analysis
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max time kernel
152s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
09-06-2022 06:28
Static task
static1
Behavioral task
behavioral1
Sample
15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe
Resource
win10v2004-20220414-en
General
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Target
15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe
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Size
345KB
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MD5
0eec8a5b2725ec21b302b8df619a21b7
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SHA1
d1aeb0a628a0a724c70a9d856dffc8258596d3ca
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SHA256
15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01
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SHA512
9e1f3a0c5bc37cf922ae136e237720f53f8b045b844ac3368808275a50274308a3c10afdab1b59335f05c67f62a5cf0c2e6fbd70bf0425635590590bff609a27
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 1284 920 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 18 IoCs
Processes:
resource yara_rule behavioral1/memory/1680-58-0x0000000000400000-0x000000000043C000-memory.dmp modiloader_stage2 behavioral1/memory/1680-65-0x0000000000400000-0x000000000043C000-memory.dmp modiloader_stage2 behavioral1/memory/1680-63-0x0000000000400000-0x000000000043C000-memory.dmp modiloader_stage2 behavioral1/memory/1680-60-0x0000000000400000-0x000000000043C000-memory.dmp modiloader_stage2 behavioral1/memory/1680-70-0x0000000000402E54-mapping.dmp modiloader_stage2 behavioral1/memory/1680-68-0x0000000000400000-0x000000000043C000-memory.dmp modiloader_stage2 behavioral1/memory/1596-72-0x0000000001E90000-0x0000000002047000-memory.dmp modiloader_stage2 behavioral1/memory/1680-73-0x0000000000400000-0x000000000043C000-memory.dmp modiloader_stage2 behavioral1/memory/1680-77-0x0000000001DA0000-0x0000000001E7A000-memory.dmp modiloader_stage2 behavioral1/memory/1680-79-0x0000000001DA0000-0x0000000001E7A000-memory.dmp modiloader_stage2 behavioral1/memory/1508-82-0x00000000025A0000-0x00000000031EA000-memory.dmp modiloader_stage2 behavioral1/memory/1508-83-0x0000000005C50000-0x0000000005D2A000-memory.dmp modiloader_stage2 behavioral1/memory/1508-87-0x0000000005C50000-0x0000000005D2A000-memory.dmp modiloader_stage2 behavioral1/memory/840-88-0x0000000000290000-0x00000000003D7000-memory.dmp modiloader_stage2 behavioral1/memory/1680-89-0x0000000001DA0000-0x0000000001E7A000-memory.dmp modiloader_stage2 behavioral1/memory/1312-92-0x0000000000140000-0x0000000000287000-memory.dmp modiloader_stage2 behavioral1/memory/840-93-0x0000000000290000-0x00000000003D7000-memory.dmp modiloader_stage2 behavioral1/memory/1312-94-0x0000000000140000-0x0000000000287000-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\VideoBiosVersion regsvr32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion regsvr32.exe -
Deletes itself 1 IoCs
Processes:
regsvr32.exepid process 840 regsvr32.exe -
Drops startup file 1 IoCs
Processes:
regsvr32.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba357.lnk regsvr32.exe -
Adds Run key to start application 2 TTPs 3 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "\"C:\\Users\\Admin\\AppData\\Local\\a1db9\\0d9f0.lnk\"" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ = "\"C:\\Windows\\system32\\mshta.exe\" javascript:B4PJv5IZv=\"8xZCWYl\";pQ94=new%20ActiveXObject(\"WScript.Shell\");psMKI6C=\"kiXC\";bv5xq=pQ94.RegRead(\"HKLM\\\\software\\\\Wow6432Node\\\\nnhgtys\\\\fjixwgakfj\");bSg7v=\"Qv5ISn\";eval(bv5xq);RC68vn=\"YeZtckf\";" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "\"C:\\Windows\\system32\\mshta.exe\" javascript:RzvVrbe43=\"pwE1\";C40H=new%20ActiveXObject(\"WScript.Shell\");Hn8qT=\"zWkrX\";hfn5u=C40H.RegRead(\"HKCU\\\\software\\\\nnhgtys\\\\fjixwgakfj\");f5pCYb6uy=\"WpYp\";eval(hfn5u);q6xj0LLoT=\"Mkwf\";" 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 3 IoCs
Processes:
15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exepowershell.exeregsvr32.exedescription pid process target process PID 1596 set thread context of 1680 1596 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe PID 1508 set thread context of 840 1508 powershell.exe regsvr32.exe PID 840 set thread context of 1312 840 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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\International regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
Modifies registry class 7 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\.e968a8 regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\.e968a8\ = "a1fd1" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\a1fd1 regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\a1fd1\shell regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\a1fd1\shell\open regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\a1fd1\shell\open\command regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\a1fd1\shell\open\command\ = "\"C:\\Windows\\system32\\mshta.exe\" \"javascript:ihLI6Z=\"I\";b4j4=new ActiveXObject(\"WScript.Shell\");vq1u2s=\"ZPdN7b7I\";cw4LK9=b4j4.RegRead(\"HKCU\\\\software\\\\nnhgtys\\\\fjixwgakfj\");wwqO5n=\"y1h5TYa\";eval(cw4LK9);KC2PMG=\"ksvTh4k\";\"" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
powershell.exeregsvr32.exepid process 1508 powershell.exe 1508 powershell.exe 1508 powershell.exe 1508 powershell.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe 840 regsvr32.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
powershell.exeregsvr32.exepid process 1508 powershell.exe 840 regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1508 powershell.exe -
Suspicious use of WriteProcessMemory 31 IoCs
Processes:
15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exemshta.exepowershell.exeregsvr32.exedescription pid process target process PID 1596 wrote to memory of 1680 1596 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe PID 1596 wrote to memory of 1680 1596 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe PID 1596 wrote to memory of 1680 1596 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe PID 1596 wrote to memory of 1680 1596 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe PID 1596 wrote to memory of 1680 1596 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe PID 1596 wrote to memory of 1680 1596 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe PID 1596 wrote to memory of 1680 1596 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe PID 1596 wrote to memory of 1680 1596 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe PID 1596 wrote to memory of 1680 1596 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe PID 1596 wrote to memory of 1680 1596 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe PID 1596 wrote to memory of 1680 1596 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe 15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe PID 1284 wrote to memory of 1508 1284 mshta.exe powershell.exe PID 1284 wrote to memory of 1508 1284 mshta.exe powershell.exe PID 1284 wrote to memory of 1508 1284 mshta.exe powershell.exe PID 1284 wrote to memory of 1508 1284 mshta.exe powershell.exe PID 1508 wrote to memory of 840 1508 powershell.exe regsvr32.exe PID 1508 wrote to memory of 840 1508 powershell.exe regsvr32.exe PID 1508 wrote to memory of 840 1508 powershell.exe regsvr32.exe PID 1508 wrote to memory of 840 1508 powershell.exe regsvr32.exe PID 1508 wrote to memory of 840 1508 powershell.exe regsvr32.exe PID 1508 wrote to memory of 840 1508 powershell.exe regsvr32.exe PID 1508 wrote to memory of 840 1508 powershell.exe regsvr32.exe PID 1508 wrote to memory of 840 1508 powershell.exe regsvr32.exe PID 840 wrote to memory of 1312 840 regsvr32.exe regsvr32.exe PID 840 wrote to memory of 1312 840 regsvr32.exe regsvr32.exe PID 840 wrote to memory of 1312 840 regsvr32.exe regsvr32.exe PID 840 wrote to memory of 1312 840 regsvr32.exe regsvr32.exe PID 840 wrote to memory of 1312 840 regsvr32.exe regsvr32.exe PID 840 wrote to memory of 1312 840 regsvr32.exe regsvr32.exe PID 840 wrote to memory of 1312 840 regsvr32.exe regsvr32.exe PID 840 wrote to memory of 1312 840 regsvr32.exe regsvr32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe"C:\Users\Admin\AppData\Local\Temp\15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe"C:\Users\Admin\AppData\Local\Temp\15a259fc7995b7b4274962c8a8f872b5bce90d7986f69cfd75f6edc9ad7b7d01.exe"2⤵
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C:\Windows\system32\mshta.exe"C:\Windows\system32\mshta.exe" javascript:v73vFxfJ="hj2";e0y=new%20ActiveXObject("WScript.Shell");vl20zrue="TMO";ib8Cx=e0y.RegRead("HKCU\\software\\tCCPBiRSN\\fBu3XZLE");ekG4si="Ho7t1";eval(ib8Cx);F1gwI1sTx="vRPe";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:niyysb2⤵
- 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
- Drops startup file
- 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/840-84-0x00000000002EB238-mapping.dmp
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memory/840-93-0x0000000000290000-0x00000000003D7000-memory.dmpFilesize
1.3MB
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memory/840-88-0x0000000000290000-0x00000000003D7000-memory.dmpFilesize
1.3MB
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memory/1312-94-0x0000000000140000-0x0000000000287000-memory.dmpFilesize
1.3MB
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memory/1312-92-0x0000000000140000-0x0000000000287000-memory.dmpFilesize
1.3MB
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memory/1312-90-0x000000000019B238-mapping.dmp
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memory/1508-83-0x0000000005C50000-0x0000000005D2A000-memory.dmpFilesize
872KB
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memory/1508-86-0x0000000074560000-0x0000000074B0B000-memory.dmpFilesize
5.7MB
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memory/1508-87-0x0000000005C50000-0x0000000005D2A000-memory.dmpFilesize
872KB
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memory/1508-75-0x0000000000000000-mapping.dmp
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memory/1508-81-0x0000000074560000-0x0000000074B0B000-memory.dmpFilesize
5.7MB
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memory/1508-78-0x0000000074560000-0x0000000074B0B000-memory.dmpFilesize
5.7MB
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memory/1508-82-0x00000000025A0000-0x00000000031EA000-memory.dmpFilesize
12.3MB
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memory/1508-80-0x00000000029E2000-0x00000000029F2000-memory.dmpFilesize
64KB
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memory/1596-54-0x0000000075C51000-0x0000000075C53000-memory.dmpFilesize
8KB
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memory/1596-72-0x0000000001E90000-0x0000000002047000-memory.dmpFilesize
1.7MB
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memory/1680-68-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1680-79-0x0000000001DA0000-0x0000000001E7A000-memory.dmpFilesize
872KB
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memory/1680-77-0x0000000001DA0000-0x0000000001E7A000-memory.dmpFilesize
872KB
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memory/1680-55-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1680-73-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1680-70-0x0000000000402E54-mapping.dmp
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memory/1680-60-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1680-89-0x0000000001DA0000-0x0000000001E7A000-memory.dmpFilesize
872KB
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memory/1680-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1680-65-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1680-56-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1680-58-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB