b57fd996f2bcb3d3c09ead04b388a9fc619018985e26be74a65efbb4487462e2

Analysis

max time kernel
148s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15/10/2024, 21:50

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General

Target
4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
Size 488KB
Sample241015-1pyvasyfpb
SHA256 b57fd996f2bcb3d3c09ead04b388a9fc619018985e26be74a65efbb4487462e2
MD5 4a2be3af52f74b5f5120b8431e5610b8
SHA1 397f18e3d2a592bf479d35c82e7a76a5d3391967
SHA512 2eebb9f8f4b041599e4b17156b3fba377b36a2bb08bf0f7b78b503bcc7c34a53cb2fcf3fceb1efb3cdd24e82b00a9f4f24eaeed6caa5f348a4be5d84e54a1448
SSDEEP 12288:T33Q9q2bGUVa0eJqj6ACNTuihvSlqP37lCMtB64zg:T3bcGUVZeJWUNTThqIP37lh/fzg
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

adware bootkit discovery persistence stealer

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	aaad.exe

Executes dropped EXE 3 IoCs

pid	Process
3132	aaad.exe
1540	aaad.exe
4032	aaad.exe

Loads dropped DLL 33 IoCs

pid	Process
2724	regsvr32.exe
4032	aaad.exe
2260	rundll32.exe
2908	rundll32.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe
4032	aaad.exe

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}\ = "winhome"	regsvr32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 3 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	\??\PhysicalDrive0	aaad.exe
File opened for modification	\??\PhysicalDrive0	rundll32.exe

Drops file in System32 directory 18 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\03ca.dlltmp	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\aaad.exe	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\0dr0.exe	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\0ddd.exe	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\da3r.dlltmp	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\25b	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\8ado.dlltmp	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\30e6.dll	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\70l8.dlltmp	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\03ca.dll	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\33u6.exe	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\03as.dll	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\da3r.dll	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\70l8.dll	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\0aa3.dll	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\830e.dll	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\8ado.dll	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\13207944	rundll32.exe

Drops file in Windows directory 13 IoCs

description	ioc	Process
File opened for modification	C:\Windows\aa0d.bmp	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\864.exe	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\686.flv	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\64au.bmp	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\686d.flv	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File created	C:\Windows\Tasks\ms.job	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\864d.exe	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\0d06.exe	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\733a.flv	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\64a.bmp	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\4acu.bmp	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\686d.exe	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
File opened for modification	C:\Windows\d06d.flv	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aaad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aaad.exe

Modifies registry class 47 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}\ = "CFunPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9A5E127F-4EB8-4E6C-92EA-5C8631054C7D}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9A5E127F-4EB8-4E6C-92EA-5C8631054C7D}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9A5E127F-4EB8-4E6C-92EA-5C8631054C7D}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\8ado.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9A5E127F-4EB8-4E6C-92EA-5C8631054C7D}\1.0\HELPDIR\ = "C:\\Windows\\SysWow64\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7D8644A6-61C5-4641-A655-31C637BD560C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}\TypeLib\ = "{9A5E127F-4EB8-4E6C-92EA-5C8631054C7D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9A5E127F-4EB8-4E6C-92EA-5C8631054C7D}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9A5E127F-4EB8-4E6C-92EA-5C8631054C7D}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7D8644A6-61C5-4641-A655-31C637BD560C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7D8644A6-61C5-4641-A655-31C637BD560C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer\ = "BHO.FunPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}\VersionIndependentProgID\ = "BHO.FunPlayer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7D8644A6-61C5-4641-A655-31C637BD560C}\ = "IFunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7D8644A6-61C5-4641-A655-31C637BD560C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\ = "CFunPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}\ProgID\ = "BHO.FunPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7D8644A6-61C5-4641-A655-31C637BD560C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7D8644A6-61C5-4641-A655-31C637BD560C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7D8644A6-61C5-4641-A655-31C637BD560C}\ = "IFunPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}\InprocServer32\ = "C:\\Windows\\SysWow64\\8ado.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9A5E127F-4EB8-4E6C-92EA-5C8631054C7D}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7D8644A6-61C5-4641-A655-31C637BD560C}\TypeLib\ = "{9A5E127F-4EB8-4E6C-92EA-5C8631054C7D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\ = "CFunPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9A5E127F-4EB8-4E6C-92EA-5C8631054C7D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9A5E127F-4EB8-4E6C-92EA-5C8631054C7D}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7D8644A6-61C5-4641-A655-31C637BD560C}\TypeLib\ = "{9A5E127F-4EB8-4E6C-92EA-5C8631054C7D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer\CLSID\ = "{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}\AppID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7D8644A6-61C5-4641-A655-31C637BD560C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7D8644A6-61C5-4641-A655-31C637BD560C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9A5E127F-4EB8-4E6C-92EA-5C8631054C7D}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7D8644A6-61C5-4641-A655-31C637BD560C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7D8644A6-61C5-4641-A655-31C637BD560C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.FunPlayer.1\CLSID\ = "{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84C4A916-2F38-41C4-99BD-C4E8FA05EA54}\VersionIndependentProgID	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4032	aaad.exe
4032	aaad.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 1580	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	84
PID 4780 wrote to memory of 1580	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	84
PID 4780 wrote to memory of 1580	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	84
PID 4780 wrote to memory of 2008	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	86
PID 4780 wrote to memory of 2008	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	86
PID 4780 wrote to memory of 2008	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	86
PID 4780 wrote to memory of 768	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	87
PID 4780 wrote to memory of 768	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	87
PID 4780 wrote to memory of 768	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	87
PID 4780 wrote to memory of 2748	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	88
PID 4780 wrote to memory of 2748	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	88
PID 4780 wrote to memory of 2748	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	88
PID 4780 wrote to memory of 2724	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	90
PID 4780 wrote to memory of 2724	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	90
PID 4780 wrote to memory of 2724	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	90
PID 4780 wrote to memory of 3132	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	91
PID 4780 wrote to memory of 3132	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	91
PID 4780 wrote to memory of 3132	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	91
PID 4780 wrote to memory of 1540	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	94
PID 4780 wrote to memory of 1540	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	94
PID 4780 wrote to memory of 1540	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	94
PID 4780 wrote to memory of 2260	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	97
PID 4780 wrote to memory of 2260	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	97
PID 4780 wrote to memory of 2260	4780	4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe	97
PID 4032 wrote to memory of 2908	4032	aaad.exe	98
PID 4032 wrote to memory of 2908	4032	aaad.exe	98
PID 4032 wrote to memory of 2908	4032	aaad.exe	98

C:\Users\Admin\AppData\Local\Temp\4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4a2be3af52f74b5f5120b8431e5610b8_JaffaCakes118.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4780
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\system32\regsvr32.exe /u /s "C:\Windows\system32\70l8.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1580
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\system32\regsvr32.exe /u /s "C:\Windows\system32\03ca.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2008
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\system32\regsvr32.exe /u /s "C:\Windows\system32\da3r.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:768
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\system32\regsvr32.exe /u /s "C:\Windows\system32\8ado.dll"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\system32\regsvr32.exe /s "C:\Windows\system32\8ado.dll"
  2⤵
  - Loads dropped DLL
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2724
- C:\Windows\SysWOW64\aaad.exe
  C:\Windows\system32\aaad.exe -i
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3132
- C:\Windows\SysWOW64\aaad.exe
  C:\Windows\system32\aaad.exe -s
  2⤵
  - Executes dropped EXE
  PID:1540
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32 C:\Windows\system32\830e.dll, Always
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2260

C:\Windows\SysWOW64\aaad.exe
C:\Windows\SysWOW64\aaad.exe
1⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4032
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32 C:\Windows\system32\830e.dll,Always
  2⤵
  - Loads dropped DLL
  - Writes to the Master Boot Record (MBR)
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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b.dll

Path C:\Users\Admin\AppData\Local\Temp\h8nil4o8\b.dll
Size 167KB
SHA256 d887f632b8652be987072fc87a418edf75b9bfaf7482976815b10b0cef7f3754
MD5 6604017b97723459582278f29adf20d5
SHA1 6eec88c892a29bf10d20692b08561d74406e2e50
SHA512 4f6f9f02be6c6e244965238e0fdf191eeaafd1690b5e669b22f0064d67cb1128150b49ec691f58896d91439f81570f2467e4148147a3fbfc727148193eb526aa
SSDEEP 3072:GdmHbQxOkzjFJKy9gb6X8biw+lgWUVIQiML6jWnwLIhXUEKeUZCTeI+rI+rmU6Y8:GdfOkzr8YYKlh66w3KeuCTeZ8xTYYh
MD5 SHA1 SHA512 SSDEEP

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p.dll

Path C:\Users\Admin\AppData\Local\Temp\h8nil4o8\p.dll
Size 281KB
SHA256 c86d1230cd214571b3350c6db2a5f57083b23119feadaad9db388e666bfb00cc
MD5 8b648c94ec827c3424a2521364186891
SHA1 550bfd17903727aa4add841f27d4d9bf54377897
SHA512 0564dd66eb92259f0594b83e2aa5f555751a1ee20ed39d12662c0ce13f95bc5860efa6807ac2035232a4bb46781e14c36d7acc5ea4db9fa1b893b4cec803b857
SSDEEP 6144:KkvUSO5qjVwX3S+VYLbxirNdQirWKlh66w3KeuCTeZ8xTYYh:fG5qjVACNvxihjaojw3ECFY8
MD5 SHA1 SHA512 SSDEEP

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s.exe

Path C:\Users\Admin\AppData\Local\Temp\h8nil4o8\s.exe
Size 156KB
SHA256 12fb77c027354c279cad3dc9ba03bfbe75c2c2756c9d45be6a57e0e2378f48dd
MD5 828ccba7ef24786cd58e94d15846a0c7
SHA1 1c0029ca95356f7cbc77e2a8c2954777dc22b48a
SHA512 3adc2abddb2e1bbc7776a8abf9772cf100800d4c48bc193d5d7ceb2b8141ef0203a8868248995ee311ad0cc8c3561aa21fc98fe66ee8ddc50c5d4281299ed5cc
SSDEEP 3072:E8w6Ob+eFiw+lgWUVIQiML6jWnwLIhXUEKeUZCTeI+rI+rmU6YYh:E56FeFKlh66w3KeuCTeZ8xTYYh
MD5 SHA1 SHA512 SSDEEP

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memory/1540-64-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/2260-73-0x0000000010000000-0x00000000100B2000-memory.dmp

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memory/2724-47-0x0000000010000000-0x0000000010026000-memory.dmp

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memory/2908-81-0x0000000010000000-0x00000000100B2000-memory.dmp

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memory/2908-93-0x0000000010000000-0x00000000100B2000-memory.dmp

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memory/2908-75-0x0000000010000000-0x00000000100B2000-memory.dmp

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memory/2908-88-0x0000000010000000-0x00000000100B2000-memory.dmp

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memory/3132-57-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/3132-60-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-91-0x0000000010000000-0x0000000010026000-memory.dmp

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memory/4032-109-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-85-0x0000000010000000-0x0000000010026000-memory.dmp

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memory/4032-86-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-80-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-89-0x0000000010000000-0x0000000010026000-memory.dmp

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memory/4032-79-0x0000000010000000-0x0000000010026000-memory.dmp

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memory/4032-92-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-71-0x0000000010000000-0x0000000010026000-memory.dmp

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memory/4032-96-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-100-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-104-0x0000000010000000-0x0000000010026000-memory.dmp

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memory/4032-105-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-83-0x0000000010000000-0x0000000010026000-memory.dmp

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memory/4032-110-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-114-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-117-0x0000000010000000-0x0000000010026000-memory.dmp

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memory/4032-119-0x0000000010000000-0x0000000010026000-memory.dmp

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memory/4032-120-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-124-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-128-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-132-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-136-0x0000000010000000-0x0000000010026000-memory.dmp

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memory/4032-137-0x0000000000400000-0x000000000041E000-memory.dmp

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memory/4032-140-0x0000000010000000-0x0000000010026000-memory.dmp

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memory/4032-142-0x0000000000400000-0x000000000041E000-memory.dmp

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