Malware Analysis Report

2024-08-06 11:00

Sample ID 240318-lzhthadh89
Target 4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299
SHA256 4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299
Tags
cobaltstrike 100000000 backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299

Threat Level: Known bad

The file 4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 100000000 backdoor trojan

Cobaltstrike

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Enumerates physical storage devices

Unsigned PE

Checks processor information in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Modifies registry class

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-03-18 09:58

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-18 09:58

Reported

2024-03-18 10:00

Platform

win7-20240221-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\programdata\kvpins.exe N/A

Enumerates physical storage devices

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
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\"" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
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\"" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Modifies registry class

Description Indicator Process Target
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\"" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohevi.dll" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system" C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2200 wrote to memory of 2176 N/A C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe C:\programdata\kvpins.exe
PID 2200 wrote to memory of 2176 N/A C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe C:\programdata\kvpins.exe
PID 2200 wrote to memory of 2176 N/A C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe C:\programdata\kvpins.exe
PID 2200 wrote to memory of 2176 N/A C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe C:\programdata\kvpins.exe
PID 2200 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
PID 2200 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
PID 2200 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
PID 2200 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
PID 2200 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
PID 2200 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
PID 2200 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
PID 2200 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
PID 2200 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe

"C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe"

C:\programdata\kvpins.exe

"C:\programdata\kvpins.exe"

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde

Network

Country Destination Domain Proto
US 8.8.8.8:53 a.bc.3d3717f6.ns1.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.3d3717f6.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 e.md.180.0a080482.3d3717f6.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 e.md.3a445fcb3b084eaabab5196404fa7bc89bf480a1c559d701d2a1af09d.e8d4f449417cbabe000c427cd6b47b34e243eb1dc9e0d4c813b11c8c.9ce90a59f83fe2aff794c970c96623b43e393a4488f3c461bbb55c44.1a080482.3d3717f6.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 e.md.219d2299edcedb2c780d92386a8c379c15220e970.25abb8991042e261b8f0f65501add4ba9558d276.2a080482.3d3717f6.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 e.md.1be43d882.3a080482.3d3717f6.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 d.tx.04d7224b9.3d3717f6.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 d.tx.14d7224b9.3d3717f6.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.3d3717f6.ns1.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.3d3717f6.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.3d3717f6.ns1.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.3d3717f6.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.3d3717f6.ns1.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.3d3717f6.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.3d3717f6.ns1.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.3d3717f6.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.3d3717f6.ns1.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.3d3717f6.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.3d3717f6.ns1.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.3d3717f6.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.3d3717f6.ns1.icbc-com-cn.com udp

Files

\ProgramData\kvpins.exe

MD5 06ea33007baa0e40dd48742ee188033a
SHA1 c15244d1d473d7adc5586707b562ecf9e91fd7bd
SHA256 a633b6073b4cf7c77303c351f7f72cd7bde59dba806ed11c22c5cfbd59f45963
SHA512 99817a3059e7ebdcd0b7a48af45fc59c05a537d4c76423f9a0fda84a7bd14b4eebfbf554b614c900c65291f92dcafa09a578a500a6e6badaeba4f886e8d0b74c

memory/2748-9-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2748-10-0x000000007242D000-0x0000000072438000-memory.dmp

memory/2176-11-0x000000013FFB0000-0x0000000140003000-memory.dmp

C:\programdata\a.xlsx

MD5 2d5a2e695e3b55e062cf9b79f0194796
SHA1 40f2149ea645b273beafcf2785c408fe51d566b4
SHA256 79366e1a9d345c3c7f525e4fd7441da6fb50b748b3fb0b327ca39f4ec8109817
SHA512 0a8b3751bd4166fcb6d4538486d86a9a84f61c4c9c68aa1549035c65daf152423f91b1dbc8938f3c5c59626a6f1ad9f9fb40111b8b41e7a305333898c8411b43

memory/2176-14-0x000000013FFB0000-0x0000000140003000-memory.dmp

memory/2176-13-0x0000000000530000-0x00000000009A2000-memory.dmp

memory/2748-15-0x000000007242D000-0x0000000072438000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-18 09:58

Reported

2024-03-18 10:00

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\programdata\kvpins.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe

"C:\Users\Admin\AppData\Local\Temp\4ae113138120fbf090ef2fe8f7e54e51969b2cf2f0a4f4aa6ca0da2441402299.exe"

C:\programdata\kvpins.exe

"C:\programdata\kvpins.exe"

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\programdata\a.xlsx"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 189.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns1.icbc-com-cn.com udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 11.179.89.13.in-addr.arpa udp
US 8.8.8.8:53 e.md.180.0486a6c4d.2ff3ccfe.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 e.md.382e58b1a6665e1f4b51c80e2262131f6be6e9e8733295fe17b4958ec.1c22b72ee2162c44abb55235ebfcbe70880c642b1dd070577f4a0709.8f9b1bfbb2a291b2fbf6d8d3141c73f4a34d12625eb605940cfe4d3a.1486a6c4d.2ff3ccfe.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 e.md.2cd9c28564f760d391cf10d55da64d104782cef3f.77a91966388a136a14bb432b348e1e7b43773c98.2486a6c4d.2ff3ccfe.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 e.md.148cff590.3486a6c4d.2ff3ccfe.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 d.tx.0313f1bce.2ff3ccfe.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 d.tx.1313f1bce.2ff3ccfe.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns1.icbc-com-cn.com udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 211.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns1.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns1.icbc-com-cn.com udp
US 8.8.8.8:53 196.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns1.icbc-com-cn.com udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns1.icbc-com-cn.com udp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 218.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns1.icbc-com-cn.com udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns2.icbc-com-cn.com udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 a.bc.2ff3ccfe.ns1.icbc-com-cn.com udp

Files

C:\ProgramData\kvpins.exe

MD5 06ea33007baa0e40dd48742ee188033a
SHA1 c15244d1d473d7adc5586707b562ecf9e91fd7bd
SHA256 a633b6073b4cf7c77303c351f7f72cd7bde59dba806ed11c22c5cfbd59f45963
SHA512 99817a3059e7ebdcd0b7a48af45fc59c05a537d4c76423f9a0fda84a7bd14b4eebfbf554b614c900c65291f92dcafa09a578a500a6e6badaeba4f886e8d0b74c

memory/2252-16-0x00007FF8C2DF0000-0x00007FF8C2E00000-memory.dmp

memory/2252-18-0x00007FF902D70000-0x00007FF902F65000-memory.dmp

memory/2252-17-0x00007FF8C2DF0000-0x00007FF8C2E00000-memory.dmp

memory/2252-20-0x00007FF902D70000-0x00007FF902F65000-memory.dmp

memory/2252-21-0x00007FF902D70000-0x00007FF902F65000-memory.dmp

memory/2252-19-0x00007FF8C2DF0000-0x00007FF8C2E00000-memory.dmp

memory/2252-23-0x00007FF902D70000-0x00007FF902F65000-memory.dmp

memory/2252-22-0x00007FF8C2DF0000-0x00007FF8C2E00000-memory.dmp

memory/2252-25-0x00007FF902D70000-0x00007FF902F65000-memory.dmp

memory/2252-24-0x00007FF8C2DF0000-0x00007FF8C2E00000-memory.dmp

memory/2252-26-0x00007FF902D70000-0x00007FF902F65000-memory.dmp

memory/2252-27-0x00007FF902D70000-0x00007FF902F65000-memory.dmp

memory/2252-28-0x00007FF902D70000-0x00007FF902F65000-memory.dmp

memory/2252-29-0x00007FF902D70000-0x00007FF902F65000-memory.dmp

memory/2252-30-0x00007FF8C0580000-0x00007FF8C0590000-memory.dmp

memory/2252-31-0x00007FF902D70000-0x00007FF902F65000-memory.dmp

memory/2252-32-0x00007FF902D70000-0x00007FF902F65000-memory.dmp

memory/2252-34-0x00007FF902D70000-0x00007FF902F65000-memory.dmp

memory/2252-35-0x00007FF8C0580000-0x00007FF8C0590000-memory.dmp

memory/2252-33-0x00007FF902D70000-0x00007FF902F65000-memory.dmp

C:\programdata\a.xlsx

MD5 2d5a2e695e3b55e062cf9b79f0194796
SHA1 40f2149ea645b273beafcf2785c408fe51d566b4
SHA256 79366e1a9d345c3c7f525e4fd7441da6fb50b748b3fb0b327ca39f4ec8109817
SHA512 0a8b3751bd4166fcb6d4538486d86a9a84f61c4c9c68aa1549035c65daf152423f91b1dbc8938f3c5c59626a6f1ad9f9fb40111b8b41e7a305333898c8411b43

memory/3240-37-0x00007FF66CAE0000-0x00007FF66CB33000-memory.dmp

memory/3240-38-0x0000026241850000-0x0000026241CC2000-memory.dmp

memory/3240-39-0x00007FF66CAE0000-0x00007FF66CB33000-memory.dmp

memory/2252-49-0x00007FF902D70000-0x00007FF902F65000-memory.dmp

memory/2252-50-0x00007FF902D70000-0x00007FF902F65000-memory.dmp