asyncrat | 7281f015876b8bdf48205e5e4cfbb492257e127b4fae7462b07e820f2cf02eb1

General

Target

#3072022account information.xlsx
Size

177KB
MD5

53a7e8cab849d4fa5004219919dc5ccf
SHA1

7cfc3a226c2b1d18393bbf90cbc120fbb8a6bbbe
SHA256

7281f015876b8bdf48205e5e4cfbb492257e127b4fae7462b07e820f2cf02eb1
SHA512

70adf8d2eadae2ac3453058a31546fb1f532d0d6fd4b3b093f93d5ebd1a3e80472a86d3118f66c91cc5bcb3d1d572ce06fa4e0895e8e0a9ff68df700bc9d20d5

Score

10^/10

asyncrat default rat suricata

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

vivald21.hopto.org:9954

63.141.237.188:9954

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata

Async RAT payload 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/112-84-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/112-85-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/112-86-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/112-87-0x000000000040D09E-mapping.dmp	asyncrat
behavioral1/memory/112-90-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/112-92-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Blocklisted process makes network request 2 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 1744 EQNEDT32.EXE
4 1744 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1676 vbc.exe
112 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

1744 EQNEDT32.EXE
1744 EQNEDT32.EXE
1744 EQNEDT32.EXE
1744 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
3	1744	EQNEDT32.EXE
4	1744	EQNEDT32.EXE

pid	process
1676	vbc.exe
112	vbc.exe

pid	process
1744	EQNEDT32.EXE
1744	EQNEDT32.EXE
1744	EQNEDT32.EXE
1744	EQNEDT32.EXE

Drops file in System32 directory 1 IoCs

Processes:

powershell.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

vbc.exe

description pid process target process

PID 1676 set thread context of 112 1676 vbc.exe vbc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1212 schtasks.exe
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

1744 EQNEDT32.EXE

description	pid	process	target process
PID 1676 set thread context of 112	1676	vbc.exe	vbc.exe

pid	process
1212	schtasks.exe

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

pid	process
1744	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\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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar	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 HTML Editor\shell\edit	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\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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\edit\command	EXCEL.EXE
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 HTML Editor	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 MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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 MHTML Editor\shell\edit\COMMAND	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	EXCEL.EXE
Key created	\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 (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	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-1-5-21-1819626980-2277161760-1023733287-1000\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 MHTML Editor\shell	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1992 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

vbc.exepowershell.exe

pid process

1676 vbc.exe
1676 vbc.exe
1676 vbc.exe
1676 vbc.exe
1676 vbc.exe
1676 vbc.exe
1496 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vbc.exepowershell.exevbc.exe

description pid process

Token: SeDebugPrivilege 1676 vbc.exe
Token: SeDebugPrivilege 1496 powershell.exe
Token: SeDebugPrivilege 112 vbc.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1992 EXCEL.EXE
1992 EXCEL.EXE
1992 EXCEL.EXE

pid	process
1992	EXCEL.EXE

pid	process
1676	vbc.exe
1676	vbc.exe
1676	vbc.exe
1676	vbc.exe
1676	vbc.exe
1676	vbc.exe
1496	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1676	vbc.exe
Token: SeDebugPrivilege	1496	powershell.exe
Token: SeDebugPrivilege	112	vbc.exe

pid	process
1992	EXCEL.EXE
1992	EXCEL.EXE
1992	EXCEL.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

EQNEDT32.EXEvbc.exe

description	pid	process	target process
PID 1744 wrote to memory of 1676	1744	EQNEDT32.EXE	vbc.exe
PID 1744 wrote to memory of 1676	1744	EQNEDT32.EXE	vbc.exe
PID 1744 wrote to memory of 1676	1744	EQNEDT32.EXE	vbc.exe
PID 1744 wrote to memory of 1676	1744	EQNEDT32.EXE	vbc.exe
PID 1676 wrote to memory of 1496	1676	vbc.exe	powershell.exe
PID 1676 wrote to memory of 1496	1676	vbc.exe	powershell.exe
PID 1676 wrote to memory of 1496	1676	vbc.exe	powershell.exe
PID 1676 wrote to memory of 1496	1676	vbc.exe	powershell.exe
PID 1676 wrote to memory of 1212	1676	vbc.exe	schtasks.exe
PID 1676 wrote to memory of 1212	1676	vbc.exe	schtasks.exe
PID 1676 wrote to memory of 1212	1676	vbc.exe	schtasks.exe
PID 1676 wrote to memory of 1212	1676	vbc.exe	schtasks.exe
PID 1676 wrote to memory of 112	1676	vbc.exe	vbc.exe
PID 1676 wrote to memory of 112	1676	vbc.exe	vbc.exe
PID 1676 wrote to memory of 112	1676	vbc.exe	vbc.exe
PID 1676 wrote to memory of 112	1676	vbc.exe	vbc.exe
PID 1676 wrote to memory of 112	1676	vbc.exe	vbc.exe
PID 1676 wrote to memory of 112	1676	vbc.exe	vbc.exe
PID 1676 wrote to memory of 112	1676	vbc.exe	vbc.exe
PID 1676 wrote to memory of 112	1676	vbc.exe	vbc.exe
PID 1676 wrote to memory of 112	1676	vbc.exe	vbc.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\#3072022account information.xlsx"
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1992

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:1744

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1676

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mqJGmcQXQtGbX.exe"
3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1496

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mqJGmcQXQtGbX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8E5C.tmp"
3⤵
- Creates scheduled task(s)
PID:1212

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:112

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Scheduled Task

1

T1053

Exploitation for Client Execution

1

T1203

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8E5C.tmp
Filesize
1KB

MD5
d236500e37174c59ea2e9531bc77b365

SHA1
ae10ff80deb8bada9d79317d99b1c24ab0d7e226

SHA256
cd34e4aad086c155472586305be8852708e105021f03d1ee4782d41bf7c32781

SHA512
7eece09b77f79471962d5d42d6f4312f8181ebf3bd45045cfe560d5dcff091d254d82e0f40449e4f16cfa8e4a0114bc0ed8ee8c125401de80cfde04d4b58f628

Download Submit
C:\Users\Public\vbc.exe
Filesize
486KB

MD5
273f2c55c1982fc3ec6450639609f38a

SHA1
02db2875babca34c81f4979134cba8422c7ef262

SHA256
93df1c272022c2a5bc8bcb8247ffc932837ea4de9f6044da8953a3a1078ab018

SHA512
a65de5f5bf0f47c399108f6b59405327be7a1037a2b6597a5eef4b13c3483347885a86a6662770bd34a8aea61445ac29cab93e330739453922dcbacf7b743e38

Download Submit
C:\Users\Public\vbc.exe
Filesize
486KB

MD5
273f2c55c1982fc3ec6450639609f38a

SHA1
02db2875babca34c81f4979134cba8422c7ef262

SHA256
93df1c272022c2a5bc8bcb8247ffc932837ea4de9f6044da8953a3a1078ab018

SHA512
a65de5f5bf0f47c399108f6b59405327be7a1037a2b6597a5eef4b13c3483347885a86a6662770bd34a8aea61445ac29cab93e330739453922dcbacf7b743e38

Download Submit
C:\Users\Public\vbc.exe
Filesize
486KB

MD5
273f2c55c1982fc3ec6450639609f38a

SHA1
02db2875babca34c81f4979134cba8422c7ef262

SHA256
93df1c272022c2a5bc8bcb8247ffc932837ea4de9f6044da8953a3a1078ab018

SHA512
a65de5f5bf0f47c399108f6b59405327be7a1037a2b6597a5eef4b13c3483347885a86a6662770bd34a8aea61445ac29cab93e330739453922dcbacf7b743e38

Download Submit
\Users\Public\vbc.exe
Filesize
486KB

MD5
273f2c55c1982fc3ec6450639609f38a

SHA1
02db2875babca34c81f4979134cba8422c7ef262

SHA256
93df1c272022c2a5bc8bcb8247ffc932837ea4de9f6044da8953a3a1078ab018

SHA512
a65de5f5bf0f47c399108f6b59405327be7a1037a2b6597a5eef4b13c3483347885a86a6662770bd34a8aea61445ac29cab93e330739453922dcbacf7b743e38

Download Submit
\Users\Public\vbc.exe
Filesize
486KB

MD5
273f2c55c1982fc3ec6450639609f38a

SHA1
02db2875babca34c81f4979134cba8422c7ef262

SHA256
93df1c272022c2a5bc8bcb8247ffc932837ea4de9f6044da8953a3a1078ab018

SHA512
a65de5f5bf0f47c399108f6b59405327be7a1037a2b6597a5eef4b13c3483347885a86a6662770bd34a8aea61445ac29cab93e330739453922dcbacf7b743e38

Download Submit
\Users\Public\vbc.exe
Filesize
486KB

MD5
273f2c55c1982fc3ec6450639609f38a

SHA1
02db2875babca34c81f4979134cba8422c7ef262

SHA256
93df1c272022c2a5bc8bcb8247ffc932837ea4de9f6044da8953a3a1078ab018

SHA512
a65de5f5bf0f47c399108f6b59405327be7a1037a2b6597a5eef4b13c3483347885a86a6662770bd34a8aea61445ac29cab93e330739453922dcbacf7b743e38

Download Submit
\Users\Public\vbc.exe
Filesize
486KB

MD5
273f2c55c1982fc3ec6450639609f38a

SHA1
02db2875babca34c81f4979134cba8422c7ef262

SHA256
93df1c272022c2a5bc8bcb8247ffc932837ea4de9f6044da8953a3a1078ab018

SHA512
a65de5f5bf0f47c399108f6b59405327be7a1037a2b6597a5eef4b13c3483347885a86a6662770bd34a8aea61445ac29cab93e330739453922dcbacf7b743e38

Download Submit
memory/112-81-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/112-82-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/112-92-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/112-90-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/112-87-0x000000000040D09E-mapping.dmp

Download
memory/112-86-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/112-85-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/112-84-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1212-77-0x0000000000000000-mapping.dmp

Download
memory/1496-94-0x00000000745C0000-0x0000000074B6B000-memory.dmp

Filesize
5.7MB

Download
memory/1496-93-0x00000000745C0000-0x0000000074B6B000-memory.dmp

Filesize
5.7MB

Download
memory/1496-76-0x0000000000000000-mapping.dmp

Download
memory/1676-70-0x0000000000580000-0x0000000000596000-memory.dmp

Filesize
88KB

Download
memory/1676-73-0x0000000004D30000-0x0000000004D8C000-memory.dmp

Filesize
368KB

Download
memory/1676-65-0x0000000000000000-mapping.dmp

Download
memory/1676-80-0x00000000042E0000-0x00000000042F2000-memory.dmp

Filesize
72KB

Download
memory/1676-68-0x0000000000E50000-0x0000000000ED0000-memory.dmp

Filesize
512KB

Download
memory/1676-72-0x00000000006B0000-0x00000000006BA000-memory.dmp

Filesize
40KB

Download
memory/1676-71-0x00000000005A0000-0x00000000005B6000-memory.dmp

Filesize
88KB

Download
memory/1992-60-0x000000007296D000-0x0000000072978000-memory.dmp

Filesize
44KB

Download
memory/1992-54-0x000000002FA91000-0x000000002FA94000-memory.dmp

Filesize
12KB

Download
memory/1992-57-0x0000000075DB1000-0x0000000075DB3000-memory.dmp

Filesize
8KB

Download
memory/1992-55-0x0000000071981000-0x0000000071983000-memory.dmp

Filesize
8KB

Download
memory/1992-58-0x000000007296D000-0x0000000072978000-memory.dmp

Filesize
44KB

Download
memory/1992-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1992-75-0x000000007296D000-0x0000000072978000-memory.dmp

Filesize
44KB

Download
memory/1992-74-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads