formbook | 77a2cddd040aee769ad6a806b24f4e1be3228a8477a66aab39664c6b4b1fc6bf

General

Target

New Order.xls
Size

1.5MB
MD5

3237c103d03b7c263d368b07aaf276bc
SHA1

e0b3781099faef365d896f9720e2e1b2f8f8e52e
SHA256

77a2cddd040aee769ad6a806b24f4e1be3228a8477a66aab39664c6b4b1fc6bf
SHA512

8072de5c5af1a8d15353abf36a1e89145a36e283acf972c056d025ec1d3cb1a3a2dc19690e97c6854cab6d747b888063f50d921cb50a02e9341a326ae8f04e1a
SSDEEP

24576:zzxXXXXXXXXXXXXUXXXXXXXXXXXXXXXXDFmOYr5XXXXXXXXXXXXUXXXXXXXrXXXZ:k71dXpCkzl

Score

10^/10

formbook do25 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

do25

Decoy

nickifarina.site

nfptrwge.bar

nobreemporio.com

split-acres.com

sharingservice-act.com

nakedinktees.shop

zhensheng1988.com

ipiton.com

liftoffdigitalmarketing.com

karen.cool

theprotestantchurch.com

shirhadarr.com

azdtwp.com

comzestdent.com

jnsjh.com

in-heat-cool.com

dfefej.top

tumingchun.com

eisei-shouji.tokyo

sparecreeping.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1196-77-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1196-78-0x000000000041F160-mapping.dmp	formbook
behavioral1/memory/1196-81-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1196-91-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/884-94-0x00000000000C0000-0x00000000000EF000-memory.dmp	formbook

Blocklisted process makes network request 2 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 1644 EQNEDT32.EXE
5 1644 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

840 vbc.exe
1196 vbc.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid process

1644 EQNEDT32.EXE
1644 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
4	1644	EQNEDT32.EXE
5	1644	EQNEDT32.EXE

pid	process
840	vbc.exe
1196	vbc.exe

pid	process
1644	EQNEDT32.EXE
1644	EQNEDT32.EXE

Suspicious use of SetThreadContext 4 IoCs

Processes:

vbc.exevbc.execmmon32.exe

description	pid	process	target process
PID 840 set thread context of 1196	840	vbc.exe	vbc.exe
PID 1196 set thread context of 1264	1196	vbc.exe	Explorer.EXE
PID 1196 set thread context of 1264	1196	vbc.exe	Explorer.EXE
PID 884 set thread context of 1264	884	cmmon32.exe	Explorer.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

1644 EQNEDT32.EXE

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

pid	process
1644	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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\edit\COMMAND	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\COMMAND	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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 created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	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
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\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
Key created	\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 HTML Editor\shell\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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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\shell\edit\command	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	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1416 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

vbc.execmmon32.exe

pid process

1196 vbc.exe
1196 vbc.exe
1196 vbc.exe
884 cmmon32.exe
884 cmmon32.exe
884 cmmon32.exe
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

vbc.execmmon32.exe

pid process

1196 vbc.exe
1196 vbc.exe
1196 vbc.exe
1196 vbc.exe
884 cmmon32.exe
884 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

vbc.execmmon32.exe

description pid process

Token: SeDebugPrivilege 1196 vbc.exe
Token: SeDebugPrivilege 884 cmmon32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1416 EXCEL.EXE
1416 EXCEL.EXE
1416 EXCEL.EXE

pid	process
1416	EXCEL.EXE

pid	process
1196	vbc.exe
1196	vbc.exe
1196	vbc.exe
884	cmmon32.exe
884	cmmon32.exe
884	cmmon32.exe

pid	process
1196	vbc.exe
1196	vbc.exe
1196	vbc.exe
1196	vbc.exe
884	cmmon32.exe
884	cmmon32.exe

description	pid	process
Token: SeDebugPrivilege	1196	vbc.exe
Token: SeDebugPrivilege	884	cmmon32.exe

pid	process
1416	EXCEL.EXE
1416	EXCEL.EXE
1416	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

EQNEDT32.EXEvbc.exevbc.execmmon32.exe

description	pid	process	target process
PID 1644 wrote to memory of 840	1644	EQNEDT32.EXE	vbc.exe
PID 1644 wrote to memory of 840	1644	EQNEDT32.EXE	vbc.exe
PID 1644 wrote to memory of 840	1644	EQNEDT32.EXE	vbc.exe
PID 1644 wrote to memory of 840	1644	EQNEDT32.EXE	vbc.exe
PID 840 wrote to memory of 1196	840	vbc.exe	vbc.exe
PID 840 wrote to memory of 1196	840	vbc.exe	vbc.exe
PID 840 wrote to memory of 1196	840	vbc.exe	vbc.exe
PID 840 wrote to memory of 1196	840	vbc.exe	vbc.exe
PID 840 wrote to memory of 1196	840	vbc.exe	vbc.exe
PID 840 wrote to memory of 1196	840	vbc.exe	vbc.exe
PID 840 wrote to memory of 1196	840	vbc.exe	vbc.exe
PID 1196 wrote to memory of 884	1196	vbc.exe	cmmon32.exe
PID 1196 wrote to memory of 884	1196	vbc.exe	cmmon32.exe
PID 1196 wrote to memory of 884	1196	vbc.exe	cmmon32.exe
PID 1196 wrote to memory of 884	1196	vbc.exe	cmmon32.exe
PID 884 wrote to memory of 1732	884	cmmon32.exe	cmd.exe
PID 884 wrote to memory of 1732	884	cmmon32.exe	cmd.exe
PID 884 wrote to memory of 1732	884	cmmon32.exe	cmd.exe
PID 884 wrote to memory of 1732	884	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264

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\New Order.xls"
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1416

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:1644

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:840

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1196

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:884

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
5⤵
PID:1732

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

Scripting

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\vbc.exe
Filesize
820KB

MD5
209f150e401442b5334c1d2c3084b8bf

SHA1
d5d15147a737b90805e6c07d34fb597c93c1ec27

SHA256
56462c46e025fb1ddfe7793825dbde4130e9db4052b271f21b60069efeba96f6

SHA512
c0d4590c6afb1f9abd926c907adc4daea606bcfad2615e8ae5f426e18cef0414254cfa257f44a3e7cd59f8681db7bdc0a6a4cc33af51e16814e7db9a1909d272

Download Submit
C:\Users\Public\vbc.exe
Filesize
820KB

MD5
209f150e401442b5334c1d2c3084b8bf

SHA1
d5d15147a737b90805e6c07d34fb597c93c1ec27

SHA256
56462c46e025fb1ddfe7793825dbde4130e9db4052b271f21b60069efeba96f6

SHA512
c0d4590c6afb1f9abd926c907adc4daea606bcfad2615e8ae5f426e18cef0414254cfa257f44a3e7cd59f8681db7bdc0a6a4cc33af51e16814e7db9a1909d272

Download Submit
C:\Users\Public\vbc.exe
Filesize
820KB

MD5
209f150e401442b5334c1d2c3084b8bf

SHA1
d5d15147a737b90805e6c07d34fb597c93c1ec27

SHA256
56462c46e025fb1ddfe7793825dbde4130e9db4052b271f21b60069efeba96f6

SHA512
c0d4590c6afb1f9abd926c907adc4daea606bcfad2615e8ae5f426e18cef0414254cfa257f44a3e7cd59f8681db7bdc0a6a4cc33af51e16814e7db9a1909d272

Download Submit
\Users\Public\vbc.exe
Filesize
820KB

MD5
209f150e401442b5334c1d2c3084b8bf

SHA1
d5d15147a737b90805e6c07d34fb597c93c1ec27

SHA256
56462c46e025fb1ddfe7793825dbde4130e9db4052b271f21b60069efeba96f6

SHA512
c0d4590c6afb1f9abd926c907adc4daea606bcfad2615e8ae5f426e18cef0414254cfa257f44a3e7cd59f8681db7bdc0a6a4cc33af51e16814e7db9a1909d272

Download Submit
\Users\Public\vbc.exe
Filesize
820KB

MD5
209f150e401442b5334c1d2c3084b8bf

SHA1
d5d15147a737b90805e6c07d34fb597c93c1ec27

SHA256
56462c46e025fb1ddfe7793825dbde4130e9db4052b271f21b60069efeba96f6

SHA512
c0d4590c6afb1f9abd926c907adc4daea606bcfad2615e8ae5f426e18cef0414254cfa257f44a3e7cd59f8681db7bdc0a6a4cc33af51e16814e7db9a1909d272

Download Submit
memory/840-68-0x0000000000720000-0x0000000000736000-memory.dmp

Filesize
88KB

Download
memory/840-63-0x0000000000000000-mapping.dmp

Download
memory/840-66-0x0000000000240000-0x0000000000314000-memory.dmp

Filesize
848KB

Download
memory/840-72-0x0000000005CE0000-0x0000000005D5E000-memory.dmp

Filesize
504KB

Download
memory/840-73-0x0000000005F90000-0x0000000005FD6000-memory.dmp

Filesize
280KB

Download
memory/840-71-0x0000000000740000-0x000000000074E000-memory.dmp

Filesize
56KB

Download
memory/884-90-0x0000000000000000-mapping.dmp

Download
memory/884-93-0x0000000000C90000-0x0000000000C9D000-memory.dmp

Filesize
52KB

Download
memory/884-94-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/884-95-0x00000000020A0000-0x00000000023A3000-memory.dmp

Filesize
3.0MB

Download
memory/884-96-0x00000000009D0000-0x0000000000A63000-memory.dmp

Filesize
588KB

Download
memory/1196-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1196-83-0x00000000003E0000-0x00000000003F4000-memory.dmp

Filesize
80KB

Download
memory/1196-91-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1196-75-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1196-77-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1196-78-0x000000000041F160-mapping.dmp

Download
memory/1196-89-0x0000000000460000-0x0000000000474000-memory.dmp

Filesize
80KB

Download
memory/1196-81-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1196-82-0x0000000000870000-0x0000000000B73000-memory.dmp

Filesize
3.0MB

Download
memory/1264-87-0x000007FEE32F0000-0x000007FEE32FA000-memory.dmp

Filesize
40KB

Download
memory/1264-84-0x0000000006D30000-0x0000000006EC6000-memory.dmp

Filesize
1.6MB

Download
memory/1264-97-0x0000000004E90000-0x0000000004F78000-memory.dmp

Filesize
928KB

Download
memory/1264-86-0x000007FEF61E0000-0x000007FEF6323000-memory.dmp

Filesize
1.3MB

Download
memory/1264-88-0x0000000006F70000-0x00000000070FE000-memory.dmp

Filesize
1.6MB

Download
memory/1416-54-0x000000002FA81000-0x000000002FA84000-memory.dmp

Filesize
12KB

Download
memory/1416-60-0x000000007261D000-0x0000000072628000-memory.dmp

Filesize
44KB

Download
memory/1416-69-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1416-58-0x0000000075F01000-0x0000000075F03000-memory.dmp

Filesize
8KB

Download
memory/1416-57-0x000000007261D000-0x0000000072628000-memory.dmp

Filesize
44KB

Download
memory/1416-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1416-55-0x0000000071631000-0x0000000071633000-memory.dmp

Filesize
8KB

Download
memory/1416-70-0x000000007261D000-0x0000000072628000-memory.dmp

Filesize
44KB

Download
memory/1732-92-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads