remcos | 5eca8a01c785c85dae69d88d2a679824f90bd0f170340840b30f54a8e6889946

Analysis

max time kernel
149s
max time network
146s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
09-08-2022 12:02

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General

Target

NOTICE - INVITATION FOR APPLICATIONS TO INVEST IN FACILITIES (3).xlsx
Size

622KB
MD5

d0d7385e1050915b4eef59aa87bfeed3
SHA1

e940a6ae1c3dc61c2baf9167109b4bb5e66f7111
SHA256

5eca8a01c785c85dae69d88d2a679824f90bd0f170340840b30f54a8e6889946
SHA512

2d1b6ce578f15ef4dec07b6676429c64f6b006ce37411e300f1d63f7887b7d1de2e18c4e9eb9235079a921d0b987246e8ae9aeae89442b7389ac0a22879952a1

Score

10^/10

remcos awele persistence rat

Malware Config

Extracted

Family

remcos

Botnet

Awele

gdyhjjdhbvxgsfe.gotdns.ch:2718

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
doc.exe
delete_file
false
hide_file
true
hide_keylog_file
true
install_flag
true
install_path
%AppData%
keylog_crypt
true
keylog_file
logs.dat
keylog_flag
false
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-MUG074
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
wix
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
notepad;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

1 280 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 5 IoCs

Processes:

MMN.exeMMN.exedoc.exedoc.exedoc.exe

pid process

1712 MMN.exe
1008 MMN.exe
1572 doc.exe
1716 doc.exe
1668 doc.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXEcmd.exe

pid process

280 EQNEDT32.EXE
1780 cmd.exe

flow	pid	process
1	280	EQNEDT32.EXE

pid	process
1712	MMN.exe
1008	MMN.exe
1572	doc.exe
1716	doc.exe
1668	doc.exe

pid	process
280	EQNEDT32.EXE
1780	cmd.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

MMN.exedoc.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\	MMN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\wix = "\"C:\\Users\\Admin\\AppData\\Roaming\\doc.exe\""	MMN.exe
Key created	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\	doc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\wix = "\"C:\\Users\\Admin\\AppData\\Roaming\\doc.exe\""	doc.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

MMN.exedoc.exe

description pid process target process

PID 1712 set thread context of 1008 1712 MMN.exe MMN.exe
PID 1572 set thread context of 1668 1572 doc.exe doc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

280 EQNEDT32.EXE

description	pid	process	target process
PID 1712 set thread context of 1008	1712	MMN.exe	MMN.exe
PID 1572 set thread context of 1668	1572	doc.exe	doc.exe

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

pid	process
280	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

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

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command	EXCEL.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"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohevi.dll"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\ = "&Edit"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

972 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

doc.exe

pid process

1572 doc.exe
1572 doc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

doc.exe

description pid process

Token: SeDebugPrivilege 1572 doc.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

EXCEL.EXEdoc.exe

pid process

972 EXCEL.EXE
972 EXCEL.EXE
972 EXCEL.EXE
1668 doc.exe

pid	process
972	EXCEL.EXE

pid	process
1572	doc.exe
1572	doc.exe

description	pid	process
Token: SeDebugPrivilege	1572	doc.exe

pid	process
972	EXCEL.EXE
972	EXCEL.EXE
972	EXCEL.EXE
1668	doc.exe

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

EQNEDT32.EXEMMN.exeMMN.exeWScript.execmd.exedoc.exe

description	pid	process	target process
PID 280 wrote to memory of 1712	280	EQNEDT32.EXE	MMN.exe
PID 280 wrote to memory of 1712	280	EQNEDT32.EXE	MMN.exe
PID 280 wrote to memory of 1712	280	EQNEDT32.EXE	MMN.exe
PID 280 wrote to memory of 1712	280	EQNEDT32.EXE	MMN.exe
PID 1712 wrote to memory of 1008	1712	MMN.exe	MMN.exe
PID 1712 wrote to memory of 1008	1712	MMN.exe	MMN.exe
PID 1712 wrote to memory of 1008	1712	MMN.exe	MMN.exe
PID 1712 wrote to memory of 1008	1712	MMN.exe	MMN.exe
PID 1712 wrote to memory of 1008	1712	MMN.exe	MMN.exe
PID 1712 wrote to memory of 1008	1712	MMN.exe	MMN.exe
PID 1712 wrote to memory of 1008	1712	MMN.exe	MMN.exe
PID 1712 wrote to memory of 1008	1712	MMN.exe	MMN.exe
PID 1712 wrote to memory of 1008	1712	MMN.exe	MMN.exe
PID 1712 wrote to memory of 1008	1712	MMN.exe	MMN.exe
PID 1712 wrote to memory of 1008	1712	MMN.exe	MMN.exe
PID 1712 wrote to memory of 1008	1712	MMN.exe	MMN.exe
PID 1712 wrote to memory of 1008	1712	MMN.exe	MMN.exe
PID 1008 wrote to memory of 808	1008	MMN.exe	WScript.exe
PID 1008 wrote to memory of 808	1008	MMN.exe	WScript.exe
PID 1008 wrote to memory of 808	1008	MMN.exe	WScript.exe
PID 1008 wrote to memory of 808	1008	MMN.exe	WScript.exe
PID 808 wrote to memory of 1780	808	WScript.exe	cmd.exe
PID 808 wrote to memory of 1780	808	WScript.exe	cmd.exe
PID 808 wrote to memory of 1780	808	WScript.exe	cmd.exe
PID 808 wrote to memory of 1780	808	WScript.exe	cmd.exe
PID 1780 wrote to memory of 1572	1780	cmd.exe	doc.exe
PID 1780 wrote to memory of 1572	1780	cmd.exe	doc.exe
PID 1780 wrote to memory of 1572	1780	cmd.exe	doc.exe
PID 1780 wrote to memory of 1572	1780	cmd.exe	doc.exe
PID 1572 wrote to memory of 1716	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1716	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1716	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1716	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1668	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1668	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1668	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1668	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1668	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1668	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1668	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1668	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1668	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1668	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1668	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1668	1572	doc.exe	doc.exe
PID 1572 wrote to memory of 1668	1572	doc.exe	doc.exe

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\NOTICE - INVITATION FOR APPLICATIONS TO INVEST IN FACILITIES (3).xlsx"
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:972

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:280

C:\Users\Admin\AppData\Roaming\MMN.exe
"C:\Users\Admin\AppData\Roaming\MMN.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1712

C:\Users\Admin\AppData\Roaming\MMN.exe
"C:\Users\Admin\AppData\Roaming\MMN.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1008

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
4⤵
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\doc.exe"
5⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1780

C:\Users\Admin\AppData\Roaming\doc.exe
C:\Users\Admin\AppData\Roaming\doc.exe
6⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1572

C:\Users\Admin\AppData\Roaming\doc.exe
"C:\Users\Admin\AppData\Roaming\doc.exe"
7⤵
- Executes dropped EXE
PID:1716

C:\Users\Admin\AppData\Roaming\doc.exe
"C:\Users\Admin\AppData\Roaming\doc.exe"
7⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
PID:1668

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\install.vbs
Filesize
398B

MD5
ee037af4f67b0176ee7d1807f022765b

SHA1
c7266a67119240aac45b1eb740192af03a79ef08

SHA256
4824321b225b2cec848e1f0019769215bc2120ff4886cb9f1c29e82935971069

SHA512
324733c00bea68799b98edfa9083aaca147ff873b4272bc507ef00a6e2bc4bdd9aaf0df762c7a7e343fdfedb3fa8fc3682209abad55e2c351bc22e683dce71f7

Download Submit
C:\Users\Admin\AppData\Roaming\MMN.exe
Filesize
814KB

MD5
65fd959ae12d80950c6ab708fc5329d1

SHA1
ae4dc791daf597f1123fbc700f896cdfa9823041

SHA256
8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e

SHA512
41ca3eb10ff9f4ae1d30885159a2d65694eaed11f8f363237511adc22f6a7001b36dd293d04bf73f05e1f6b886a9c26d73fce04a2fb1023b40738ca2e7c02141

Download Submit
C:\Users\Admin\AppData\Roaming\MMN.exe
Filesize
814KB

MD5
65fd959ae12d80950c6ab708fc5329d1

SHA1
ae4dc791daf597f1123fbc700f896cdfa9823041

SHA256
8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e

SHA512
41ca3eb10ff9f4ae1d30885159a2d65694eaed11f8f363237511adc22f6a7001b36dd293d04bf73f05e1f6b886a9c26d73fce04a2fb1023b40738ca2e7c02141

Download Submit
C:\Users\Admin\AppData\Roaming\MMN.exe
Filesize
814KB

MD5
65fd959ae12d80950c6ab708fc5329d1

SHA1
ae4dc791daf597f1123fbc700f896cdfa9823041

SHA256
8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e

SHA512
41ca3eb10ff9f4ae1d30885159a2d65694eaed11f8f363237511adc22f6a7001b36dd293d04bf73f05e1f6b886a9c26d73fce04a2fb1023b40738ca2e7c02141

Download Submit
C:\Users\Admin\AppData\Roaming\doc.exe
Filesize
814KB

MD5
65fd959ae12d80950c6ab708fc5329d1

SHA1
ae4dc791daf597f1123fbc700f896cdfa9823041

SHA256
8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e

SHA512
41ca3eb10ff9f4ae1d30885159a2d65694eaed11f8f363237511adc22f6a7001b36dd293d04bf73f05e1f6b886a9c26d73fce04a2fb1023b40738ca2e7c02141

Download Submit
C:\Users\Admin\AppData\Roaming\doc.exe
Filesize
814KB

MD5
65fd959ae12d80950c6ab708fc5329d1

SHA1
ae4dc791daf597f1123fbc700f896cdfa9823041

SHA256
8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e

SHA512
41ca3eb10ff9f4ae1d30885159a2d65694eaed11f8f363237511adc22f6a7001b36dd293d04bf73f05e1f6b886a9c26d73fce04a2fb1023b40738ca2e7c02141

Download Submit
C:\Users\Admin\AppData\Roaming\doc.exe
Filesize
814KB

MD5
65fd959ae12d80950c6ab708fc5329d1

SHA1
ae4dc791daf597f1123fbc700f896cdfa9823041

SHA256
8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e

SHA512
41ca3eb10ff9f4ae1d30885159a2d65694eaed11f8f363237511adc22f6a7001b36dd293d04bf73f05e1f6b886a9c26d73fce04a2fb1023b40738ca2e7c02141

Download Submit
C:\Users\Admin\AppData\Roaming\doc.exe
Filesize
814KB

MD5
65fd959ae12d80950c6ab708fc5329d1

SHA1
ae4dc791daf597f1123fbc700f896cdfa9823041

SHA256
8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e

SHA512
41ca3eb10ff9f4ae1d30885159a2d65694eaed11f8f363237511adc22f6a7001b36dd293d04bf73f05e1f6b886a9c26d73fce04a2fb1023b40738ca2e7c02141

Download Submit
\Users\Admin\AppData\Roaming\MMN.exe
Filesize
814KB

MD5
65fd959ae12d80950c6ab708fc5329d1

SHA1
ae4dc791daf597f1123fbc700f896cdfa9823041

SHA256
8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e

SHA512
41ca3eb10ff9f4ae1d30885159a2d65694eaed11f8f363237511adc22f6a7001b36dd293d04bf73f05e1f6b886a9c26d73fce04a2fb1023b40738ca2e7c02141

Download Submit
\Users\Admin\AppData\Roaming\doc.exe
Filesize
814KB

MD5
65fd959ae12d80950c6ab708fc5329d1

SHA1
ae4dc791daf597f1123fbc700f896cdfa9823041

SHA256
8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e

SHA512
41ca3eb10ff9f4ae1d30885159a2d65694eaed11f8f363237511adc22f6a7001b36dd293d04bf73f05e1f6b886a9c26d73fce04a2fb1023b40738ca2e7c02141

Download Submit
memory/808-89-0x0000000000000000-mapping.dmp

Download
memory/972-67-0x0000000071EFD000-0x0000000071F08000-memory.dmp

Filesize
44KB

Download
memory/972-54-0x000000002F9D1000-0x000000002F9D4000-memory.dmp

Filesize
12KB

Download
memory/972-57-0x0000000075D21000-0x0000000075D23000-memory.dmp

Filesize
8KB

Download
memory/972-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/972-55-0x0000000070F11000-0x0000000070F13000-memory.dmp

Filesize
8KB

Download
memory/972-58-0x0000000071EFD000-0x0000000071F08000-memory.dmp

Filesize
44KB

Download
memory/1008-90-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1008-88-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1008-75-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1008-78-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1008-80-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1008-82-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1008-83-0x0000000000430F6E-mapping.dmp

Download
memory/1008-76-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1008-87-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1008-70-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1008-73-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1008-77-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1008-71-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1572-96-0x0000000000000000-mapping.dmp

Download
memory/1572-98-0x0000000000010000-0x00000000000E2000-memory.dmp

Filesize
840KB

Download
memory/1668-120-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1668-114-0x0000000000430F6E-mapping.dmp

Download
memory/1668-119-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/1712-66-0x0000000000340000-0x0000000000358000-memory.dmp

Filesize
96KB

Download
memory/1712-69-0x00000000054D0000-0x000000000554A000-memory.dmp

Filesize
488KB

Download
memory/1712-68-0x0000000005420000-0x00000000054D4000-memory.dmp

Filesize
720KB

Download
memory/1712-64-0x0000000000AC0000-0x0000000000B92000-memory.dmp

Filesize
840KB

Download
memory/1712-61-0x0000000000000000-mapping.dmp

Download
memory/1780-93-0x0000000000000000-mapping.dmp

Download