crimsonrat | 2628ad9be62db33bcc2dd982d80a7ec4ff840349a658795e13ef9611b784eefe

Analysis

max time kernel
145s
max time network
137s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
01-08-2022 04:53

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General

Target

2628ad9be62db33bcc2dd982d80a7ec4ff840349a658795e13ef9611b784eefe.xls
Size

423KB
MD5

fa6a95df0af45ff6601696678af711b6
SHA1

c87653f543d7c9386b92732e02ee64deac0e0100
SHA256

2628ad9be62db33bcc2dd982d80a7ec4ff840349a658795e13ef9611b784eefe
SHA512

362d3bd45dcf7b419661a4a77545d337d7f294a143f732e18dd7f728f04e99772bb45e205513c4c03f6975778ba2d812cc6e288ff5e6591ca04ad2a639d3fc02

Score

10^/10

crimsonrat rat

Malware Config

Signatures

CrimsonRAT main payload 3 IoCs

resource	yara_rule
behavioral1/files/0x00070000000139bc-60.dat	family_crimsonrat
behavioral1/files/0x00070000000139bc-62.dat	family_crimsonrat
behavioral1/files/0x00070000000139bc-63.dat	family_crimsonrat

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

Executes dropped EXE 1 IoCs

pid	Process
1076	rlbwrarhsa.exe

Loads dropped DLL 1 IoCs

pid	Process
1092	EXCEL.EXE

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Tdlawis\rlbwrarhsa.exe	EXCEL.EXE
File opened for modification	C:\PROGRA~3\Tdlawis\rlbwrarhsa.exe	EXCEL.EXE

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.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\""	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.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\""	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{8A683C91-BA84-11CF-8110-00A0C9030074}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{9A4BBF53-4E46-101B-8BBD-00AA003E3B29}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{47FF8FE1-6198-11CF-8CE8-00AA006CB389}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{5512D11F-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLPassword"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{5B9D8FC8-4A71-101B-97A6-00000B65C08B}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{5512D125-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLTextArea"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{04598FC7-866C-11CF-AB7C-00AA00C08FCF}\ = "Controls"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{5512D11B-5CC6-11CF-8D67-00AA00BDCE1D}	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\TypeLib\{D6397642-2B1B-404D-BF03-74EAE9528110}\2.0\0	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{47FF8FE0-6198-11CF-8CE8-00AA006CB389}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{82B02370-B5BC-11CF-810F-00A0C9030074}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{8BD21D42-EC42-11CE-9E0D-00AA006002F3}\ = "MdcCheckBoxEvents"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{5512D11F-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLPassword"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{5512D125-5CC6-11CF-8D67-00AA00BDCE1D}	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{8A683C91-BA84-11CF-8110-00A0C9030074}\ = "IReturnEffect"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{04598FC6-866C-11CF-AB7C-00AA00C08FCF}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{04598FC3-866C-11CF-AB7C-00AA00C08FCF}\ = "IScrollbar"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{8BD21D12-EC42-11CE-9E0D-00AA006002F3}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{29B86A70-F52E-11CE-9BCE-00AA00608E01}\ = "IOptionFrame"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{04598FC3-866C-11CF-AB7C-00AA00C08FCF}\ = "IScrollbar"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{5512D115-5CC6-11CF-8D67-00AA00BDCE1D}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{04598FC8-866C-11CF-AB7C-00AA00C08FCF}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{8BD21D53-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcOptionButton"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{5512D115-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLReset"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{47FF8FE9-6198-11CF-8CE8-00AA006CB389}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{5512D117-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLCheckbox"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{CF3F94A0-F546-11CE-9BCE-00AA00608E01}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{47FF8FE3-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents4"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{47FF8FE4-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents5"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{5512D111-5CC6-11CF-8D67-00AA00BDCE1D}\ = "IWHTMLSubmitButton"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{8BD21D52-EC42-11CE-9E0D-00AA006002F3}\ = "MdcOptionButtonEvents"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{47FF8FE9-6198-11CF-8CE8-00AA006CB389}\ = "WHTMLControlEvents10"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\TypeLib\{D6397642-2B1B-404D-BF03-74EAE9528110}\2.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\VBE"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{8BD21D53-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcOptionButton"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{04598FC3-866C-11CF-AB7C-00AA00C08FCF}	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{8BD21D63-EC42-11CE-9E0D-00AA006002F3}\ = "IMdcToggleButton"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{04598FC8-866C-11CF-AB7C-00AA00C08FCF}\ = "_UserForm"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{7B020EC8-AF6C-11CE-9F46-00AA00574A4F}	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{79176FB3-B7F2-11CE-97EF-00AA006D2776}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{978C9E22-D4B0-11CE-BF2D-00AA003F40D0}	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{47FF8FE8-6198-11CF-8CE8-00AA006CB389}	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{79176FB2-B7F2-11CE-97EF-00AA006D2776}	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{8BD21D23-EC42-11CE-9E0D-00AA006002F3}	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{5512D11D-5CC6-11CF-8D67-00AA00BDCE1D}	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D6397642-2B1B-404D-BF03-74EAE9528110}\2.0\0	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Interface\{82B02370-B5BC-11CF-810F-00A0C9030074}\ = "IReturnInteger"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000_CLASSES\Wow6432Node\Interface\{04598FC7-866C-11CF-AB7C-00AA00C08FCF}\ = "Controls"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1092	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1092	EXCEL.EXE
1092	EXCEL.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1092	EXCEL.EXE
1092	EXCEL.EXE
1092	EXCEL.EXE
1092	EXCEL.EXE
1092	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 1076	1092	EXCEL.EXE	27
PID 1092 wrote to memory of 1076	1092	EXCEL.EXE	27
PID 1092 wrote to memory of 1076	1092	EXCEL.EXE	27
PID 1092 wrote to memory of 1076	1092	EXCEL.EXE	27

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\2628ad9be62db33bcc2dd982d80a7ec4ff840349a658795e13ef9611b784eefe.xls
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1092
- C:\ProgramData\Tdlawis\rlbwrarhsa.exe
  C:\ProgramData\Tdlawis\rlbwrarhsa.exe
  2⤵
  - Executes dropped EXE
  PID:1076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Tdlawis\rlbwrarhsa.exe

Filesize
9.6MB

MD5
8a1f4a512fe9edbcc62ba4b1c3e08f0a

SHA1
fcc99860e1029e0d989121be46eb1da2f8402853

SHA256
ecd7d7a27a2a043919a233bb91e3b009c05b7c81ff132a7c29228e1c45d2b6a6

SHA512
0e78fa869f051b5672b6f7a4dcc02ae7cdca55ba8ac2b14a34f30e94844fddb7caa22ac9fd555ac0bb270c1bfbedcb3e7ef074fcf9cba8dbf2ba0d5dc690444c

Download Submit
C:\ProgramData\Tdlawis\rlbwrarhsa.exe

Filesize
9.6MB

MD5
8a1f4a512fe9edbcc62ba4b1c3e08f0a

SHA1
fcc99860e1029e0d989121be46eb1da2f8402853

SHA256
ecd7d7a27a2a043919a233bb91e3b009c05b7c81ff132a7c29228e1c45d2b6a6

SHA512
0e78fa869f051b5672b6f7a4dcc02ae7cdca55ba8ac2b14a34f30e94844fddb7caa22ac9fd555ac0bb270c1bfbedcb3e7ef074fcf9cba8dbf2ba0d5dc690444c

Download Submit
\ProgramData\Tdlawis\rlbwrarhsa.exe

Filesize
9.6MB

MD5
8a1f4a512fe9edbcc62ba4b1c3e08f0a

SHA1
fcc99860e1029e0d989121be46eb1da2f8402853

SHA256
ecd7d7a27a2a043919a233bb91e3b009c05b7c81ff132a7c29228e1c45d2b6a6

SHA512
0e78fa869f051b5672b6f7a4dcc02ae7cdca55ba8ac2b14a34f30e94844fddb7caa22ac9fd555ac0bb270c1bfbedcb3e7ef074fcf9cba8dbf2ba0d5dc690444c

Download Submit
memory/1076-64-0x000007FEF3A40000-0x000007FEF4463000-memory.dmp

Filesize
10.1MB

Download
memory/1076-65-0x000007FEF29A0000-0x000007FEF3A36000-memory.dmp

Filesize
16.6MB

Download
memory/1076-66-0x00000000003F6000-0x0000000000415000-memory.dmp

Filesize
124KB

Download
memory/1076-68-0x00000000003F6000-0x0000000000415000-memory.dmp

Filesize
124KB

Download
memory/1092-57-0x000000007260D000-0x0000000072618000-memory.dmp

Filesize
44KB

Download
memory/1092-58-0x0000000075481000-0x0000000075483000-memory.dmp

Filesize
8KB

Download
memory/1092-59-0x000000000054B000-0x000000000055B000-memory.dmp

Filesize
64KB

Download
memory/1092-54-0x000000002F901000-0x000000002F904000-memory.dmp

Filesize
12KB

Download
memory/1092-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1092-55-0x0000000071621000-0x0000000071623000-memory.dmp

Filesize
8KB

Download
memory/1092-67-0x000000007260D000-0x0000000072618000-memory.dmp

Filesize
44KB

Download