crimsonrat | 230705996b567af8b2ed884e6c06cf2cf49a2cf5b4166a01c30d81de857627af

Analysis

max time kernel
150s
max time network
173s
platform
windows7_x64
resource
win7-en-20211208
submitted
30-01-2022 15:58

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General

Target

230705996b567af8b2ed884e6c06cf2cf49a2cf5b4166a01c30d81de857627af.doc
Size

699KB
MD5

9039772c966690525d843413a752be7e
SHA1

d637f799d3f6a584074eaa12a3ed6da366f5450b
SHA256

230705996b567af8b2ed884e6c06cf2cf49a2cf5b4166a01c30d81de857627af
SHA512

c1efdcbee986075446b9469f828f6c0be71902490e81a3d9e64101aeabfc56220536894eb0a4145c619302a9c674b2a9f5877f5a892da7a8164b207f3050b501

Score

10^/10

crimsonrat rat

Malware Config

Signatures

CrimsonRAT Main Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0006000000013905-61.dat	family_crimsonrat
behavioral1/files/0x0006000000013905-62.dat	family_crimsonrat
behavioral1/files/0x0006000000013905-63.dat	family_crimsonrat

CrimsonRat
Crimson RAT is a malware linked to a Pakistani-linked threat actor.
rat crimsonrat

Executes dropped EXE 1 IoCs

Processes:

hringarma.exe

pid	Process
1524	hringarma.exe

Loads dropped DLL 1 IoCs

Processes:

WINWORD.EXE

pid	Process
952	WINWORD.EXE

Drops file in Program Files directory 4 IoCs

Processes:

WINWORD.EXE

description	ioc	Process
File created	C:\PROGRA~3\Docdsurc\Note Verbal.docx	WINWORD.EXE
File opened for modification	C:\PROGRA~3\Docdsurc\Note Verbal.docx	WINWORD.EXE
File created	C:\PROGRA~3\Remdias\hringarma.exe	WINWORD.EXE
File opened for modification	C:\PROGRA~3\Remdias\hringarma.exe	WINWORD.EXE

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

Office loads VBA resources, possible macro or embedded object present

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXEWINWORD.EXE

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXEWINWORD.EXE

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{978C9E22-D4B0-11CE-BF2D-00AA003F40D0}\ = "LabelControlEvents"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{47FF8FE9-6198-11CF-8CE8-00AA006CB389}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{5B9D8FC8-4A71-101B-97A6-00000B65C08B}\ = "FormEvents"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{978C9E22-D4B0-11CE-BF2D-00AA003F40D0}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{796ED650-5FE9-11CF-8D68-00AA00BDCE1D}	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CA6AF4FA-A226-41E2-A019-12CE08BAF6A4}\2.0\FLAGS	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{7B020EC2-AF6C-11CE-9F46-00AA00574A4F}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\TypeLib\{CA6AF4FA-A226-41E2-A019-12CE08BAF6A4}\2.0\FLAGS	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{47FF8FE1-6198-11CF-8CE8-00AA006CB389}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CA6AF4FA-A226-41E2-A019-12CE08BAF6A4}\2.0\0\win32	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{CF3F94A0-F546-11CE-9BCE-00AA00608E01}\ = "OptionFrameEvents"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{04598FC3-866C-11CF-AB7C-00AA00C08FCF}\ = "IScrollbar"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{5512D11F-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLPassword"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CA6AF4FA-A226-41E2-A019-12CE08BAF6A4}\2.0\ = "Microsoft Forms 2.0 Object Library"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{5512D11D-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLHidden"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{8BD21D53-EC42-11CE-9E0D-00AA006002F3}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{8BD21D12-EC42-11CE-9E0D-00AA006002F3}\ = "MdcTextEvents"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{CA6AF4FA-A226-41E2-A019-12CE08BAF6A4}\2.0\FLAGS\ = "6"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{04598FC6-866C-11CF-AB7C-00AA00C08FCF}\ = "IControl"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{04598FC7-866C-11CF-AB7C-00AA00C08FCF}\ = "Controls"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{04598FC1-866C-11CF-AB7C-00AA00C08FCF}\ = "ILabelControl"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{5512D11B-5CC6-11CF-8D67-00AA00BDCE1D}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{4C5992A5-6926-101B-9992-00000B65C6F9}\ = "ImageEvents"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{5CEF5613-713D-11CE-80C9-00AA00611080}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{8BD21D13-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcText"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{5512D111-5CC6-11CF-8D67-00AA00BDCE1D}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{796ED650-5FE9-11CF-8D68-00AA00BDCE1D}\ = "WHTMLControlEvents"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{47FF8FE8-6198-11CF-8CE8-00AA006CB389}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{04598FC7-866C-11CF-AB7C-00AA00C08FCF}\ = "Controls"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{944ACF93-A1E6-11CE-8104-00AA00611080}	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{8BD21D23-EC42-11CE-9E0D-00AA006002F3}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{5512D11B-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLText"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{796ED650-5FE9-11CF-8D68-00AA00BDCE1D}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{04598FC9-866C-11CF-AB7C-00AA00C08FCF}\ = "IMultiPage"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{8A683C90-BA84-11CF-8110-00A0C9030074}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{8BD21D23-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcList"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{5512D113-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLImage"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{5512D11D-5CC6-11CF-8D67-00AA00BDCE1D}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{29B86A70-F52E-11CE-9BCE-00AA00608E01}\ = "IOptionFrame"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Wow6432Node\Interface\{04598FC8-866C-11CF-AB7C-00AA00C08FCF}\ = "_UserForm"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{5B9D8FC8-4A71-101B-97A6-00000B65C08B}	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{04598FC2-866C-11CF-AB7C-00AA00C08FCF}\ = "ITabStrip"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{5512D117-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLCheckbox"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000_CLASSES\Interface\{47FF8FE0-6198-11CF-8CE8-00AA006CB389}	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid	Process
952	WINWORD.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

WINWORD.EXE

pid	Process
952	WINWORD.EXE
952	WINWORD.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXEWINWORD.EXE

pid	Process
952	WINWORD.EXE
952	WINWORD.EXE
1804	WINWORD.EXE
1804	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

WINWORD.EXEWINWORD.EXE

description	pid	Process	procid_target
PID 952 wrote to memory of 1524	952	WINWORD.EXE	27
PID 952 wrote to memory of 1524	952	WINWORD.EXE	27
PID 952 wrote to memory of 1524	952	WINWORD.EXE	27
PID 952 wrote to memory of 1524	952	WINWORD.EXE	27
PID 1804 wrote to memory of 308	1804	WINWORD.EXE	32
PID 1804 wrote to memory of 308	1804	WINWORD.EXE	32
PID 1804 wrote to memory of 308	1804	WINWORD.EXE	32
PID 1804 wrote to memory of 308	1804	WINWORD.EXE	32

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\230705996b567af8b2ed884e6c06cf2cf49a2cf5b4166a01c30d81de857627af.doc"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:952
- C:\ProgramData\Remdias\hringarma.exe
  C:\ProgramData\Remdias\hringarma.exe
  2⤵
  - Executes dropped EXE
  PID:1524

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /Automation -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Docdsurc\Note Verbal.docx

MD5
1c9fda19f695f3b35d6f591286bf4a3d

SHA1
8aa47d6d96d35dc45943940cfeb89823413f5f2f

SHA256
aaf0a2422199c86d14924b3cab5880e1b80eff4f3bf076d7ebf6d01d3b7ed6a1

SHA512
ba0e25ece5aef009c8f434e563535f9176e9a96b368d633073c4f93ef883ecd2228a8fd46c5f6eeebeb7490d7e52f2d5768641a504943904377a819b1b780b22

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C:\ProgramData\Remdias\hringarma.exe

MD5
ceb69fedc35c20a77697dd877e044ac2

SHA1
2ad07b015a5cd0e0ba16b1d44393497b47106832

SHA256
55a08e78689b58ba3b4bf7ea6d3a2420b15ccd7b4fccc97892b5724c538fb6c8

SHA512
239764e8ff79163daec8be4540dda7ed247861f224ae94f9f8f0adc5ccb0d3791ed26cf9e7aedcd4fd5c53bd61fef1a9a4d5cc5f0f90663fbbf8a7f40a5774dd

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C:\ProgramData\Remdias\hringarma.exe

MD5
ceb69fedc35c20a77697dd877e044ac2

SHA1
2ad07b015a5cd0e0ba16b1d44393497b47106832

SHA256
55a08e78689b58ba3b4bf7ea6d3a2420b15ccd7b4fccc97892b5724c538fb6c8

SHA512
239764e8ff79163daec8be4540dda7ed247861f224ae94f9f8f0adc5ccb0d3791ed26cf9e7aedcd4fd5c53bd61fef1a9a4d5cc5f0f90663fbbf8a7f40a5774dd

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C:\Users\Admin\AppData\Roaming\Microsoft\Office\MSO1033.acl

MD5
2a1880d598142c9152d6f93d1f8d204a

SHA1
e91d15019aa8330bcfc56c7ef77c9eaf5974e437

SHA256
48464cc1d0ceb5a2bed26f21fed01cfd3a3e812ce98954cc0db57858d212ba4c

SHA512
a480a346ddaf81c4946c0eb069a0e998b25dbb137b41d34dfbab44e45f27d6b1e3b571287ef8fda61a6697155979010ff4e962a0dc64a17aff932e51e225dad2

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C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

MD5
7496cc11562c9c6a58baef581a40c5b7

SHA1
f30bf055a3ffe475c1d86cd04b7c37efac28e858

SHA256
3cbc4202327acf882259f0b4872d2fbdc8a4a51e250641e68705870d3dcb8ee7

SHA512
74b210f40422d8c5b7c37afe606a5ab01c6845ba3cc83919362fc874c85a3ccac18f3330a0cad4a44ca9a6bd6645236754b64dc00bbd1897d3a62b00824307f5

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C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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\ProgramData\Remdias\hringarma.exe

MD5
ceb69fedc35c20a77697dd877e044ac2

SHA1
2ad07b015a5cd0e0ba16b1d44393497b47106832

SHA256
55a08e78689b58ba3b4bf7ea6d3a2420b15ccd7b4fccc97892b5724c538fb6c8

SHA512
239764e8ff79163daec8be4540dda7ed247861f224ae94f9f8f0adc5ccb0d3791ed26cf9e7aedcd4fd5c53bd61fef1a9a4d5cc5f0f90663fbbf8a7f40a5774dd

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memory/308-73-0x000007FEFB9C1000-0x000007FEFB9C3000-memory.dmp

Filesize
8KB

Download
memory/952-60-0x0000000000430000-0x00000000004D8000-memory.dmp

Filesize
672KB

Download
memory/952-59-0x0000000005780000-0x00000000063CA000-memory.dmp

Filesize
12.3MB

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memory/952-58-0x0000000000430000-0x00000000004D8000-memory.dmp

Filesize
672KB

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memory/952-54-0x00000000724B1000-0x00000000724B4000-memory.dmp

Filesize
12KB

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memory/952-57-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

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memory/952-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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memory/952-55-0x000000006FF31000-0x000000006FF33000-memory.dmp

Filesize
8KB

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memory/1524-65-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

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memory/1804-74-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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