formbook | fe76a9d4526a991c6da1f55e8400e6ce83fb98cbf87ae5755436a0e63daf021e

Analysis

max time kernel
150s
max time network
133s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
25/04/2023, 06:21

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General

Target

PO 0445232.xls
Size

1.1MB
MD5

041cd0925017f79830d0ff95c684dc79
SHA1

c6b5cde515977fbc42b3482ab909e0be15badb2a
SHA256

fe76a9d4526a991c6da1f55e8400e6ce83fb98cbf87ae5755436a0e63daf021e
SHA512

2568d9702130f86b3627b54c8e8866b0f2149b9b99556e3d33c125499da74f9b7121d7cde194fc872a864fc15223305b7c0a9ee4c89deffaf01b09cd9be66455
SSDEEP

12288:kQaFiKXKy6ArAJiw6k/6kyArKJQ06kg6kdzAr26kh+ts7EV6h7Yx8Xf1/66GfWkW:YLKy0nQ4Z8tsXC8XfLG/PwYG

Score

10^/10

formbook ne28 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ne28

Decoy

basic-careitem.net

healstockton.com

groupetalentapro.com

geseconevent.com

adornmentwithadrienne.com

lazylynx.se

forestwerx.com

labishu.com

hilykan.com

beyondyoursenses.co.uk

inno-imc.com

driverrehab.online

mantlepies.co.uk

sicepat.net

kiwitownkids.com

infiniumsource.com

motorsolutionswithmakro.co.uk

6pg.shop

zijlont.xyz

corpusskencar.com

Signatures

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

Formbook payload 5 IoCs

rat

resource	yara_rule
behavioral1/memory/1632-93-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1632-98-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1632-106-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/940-108-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook
behavioral1/memory/940-110-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	1856	EQNEDT32.EXE

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
664	vbc.exe
1632	vbc.exe

Loads dropped DLL 4 IoCs

pid	Process
1856	EQNEDT32.EXE
1856	EQNEDT32.EXE
1856	EQNEDT32.EXE
1856	EQNEDT32.EXE

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 664 set thread context of 1632	664	vbc.exe	32
PID 1632 set thread context of 1308	1632	vbc.exe	14
PID 1632 set thread context of 1308	1632	vbc.exe	14
PID 940 set thread context of 1308	940	cmstp.exe	14

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

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

pid	Process
1856	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\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	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
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 HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	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 MHTML Editor\shell\edit\ = "&Edit"	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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML 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

Modifies registry class 64 IoCs

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1048	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
1632	vbc.exe
1632	vbc.exe
1632	vbc.exe
940	cmstp.exe
940	cmstp.exe
940	cmstp.exe
940	cmstp.exe
940	cmstp.exe
940	cmstp.exe
940	cmstp.exe
940	cmstp.exe
940	cmstp.exe
940	cmstp.exe
940	cmstp.exe
940	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1308	Explorer.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1632	vbc.exe
1632	vbc.exe
1632	vbc.exe
1632	vbc.exe
940	cmstp.exe
940	cmstp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1632	vbc.exe
Token: SeDebugPrivilege	940	cmstp.exe
Token: SeShutdownPrivilege	1308	Explorer.EXE
Token: SeShutdownPrivilege	1308	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 664	1856	EQNEDT32.EXE	30
PID 1856 wrote to memory of 664	1856	EQNEDT32.EXE	30
PID 1856 wrote to memory of 664	1856	EQNEDT32.EXE	30
PID 1856 wrote to memory of 664	1856	EQNEDT32.EXE	30
PID 664 wrote to memory of 1632	664	vbc.exe	32
PID 664 wrote to memory of 1632	664	vbc.exe	32
PID 664 wrote to memory of 1632	664	vbc.exe	32
PID 664 wrote to memory of 1632	664	vbc.exe	32
PID 664 wrote to memory of 1632	664	vbc.exe	32
PID 664 wrote to memory of 1632	664	vbc.exe	32
PID 664 wrote to memory of 1632	664	vbc.exe	32
PID 1632 wrote to memory of 940	1632	vbc.exe	33
PID 1632 wrote to memory of 940	1632	vbc.exe	33
PID 1632 wrote to memory of 940	1632	vbc.exe	33
PID 1632 wrote to memory of 940	1632	vbc.exe	33
PID 1632 wrote to memory of 940	1632	vbc.exe	33
PID 1632 wrote to memory of 940	1632	vbc.exe	33
PID 1632 wrote to memory of 940	1632	vbc.exe	33
PID 940 wrote to memory of 1608	940	cmstp.exe	34
PID 940 wrote to memory of 1608	940	cmstp.exe	34
PID 940 wrote to memory of 1608	940	cmstp.exe	34
PID 940 wrote to memory of 1608	940	cmstp.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1308
- 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\PO 0445232.xls"
  2⤵
  - Enumerates system info in registry
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:1048

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:1856
- C:\Users\Public\vbc.exe
  "C:\Users\Public\vbc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:664
- - 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:1632
  - - C:\Windows\SysWOW64\cmstp.exe
      "C:\Windows\SysWOW64\cmstp.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:940
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Public\vbc.exe"
        5⤵
        
        PID:1608

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

T1203

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\vbc.exe

Filesize
621KB

MD5
e38099e6cb5af67be5ac2ca9d52b4a26

SHA1
7d76dc65adcd1dd28c1007a98b7271269c7f0fbf

SHA256
455357f9a8164dcc16dc461cb81c48bf0215d871152c7b6e1577944a4b6b6edf

SHA512
b38d87cbdf445cc9ec51bfb5c0b00fc99b90a531d4466b68215fba6ee2603ac973e17b8b98292187c2218f52525bec19487139bcb7e6d48fae02f2896310e8bc

Download Submit
C:\Users\Public\vbc.exe

Filesize
621KB

MD5
e38099e6cb5af67be5ac2ca9d52b4a26

SHA1
7d76dc65adcd1dd28c1007a98b7271269c7f0fbf

SHA256
455357f9a8164dcc16dc461cb81c48bf0215d871152c7b6e1577944a4b6b6edf

SHA512
b38d87cbdf445cc9ec51bfb5c0b00fc99b90a531d4466b68215fba6ee2603ac973e17b8b98292187c2218f52525bec19487139bcb7e6d48fae02f2896310e8bc

Download Submit
C:\Users\Public\vbc.exe

Filesize
621KB

MD5
e38099e6cb5af67be5ac2ca9d52b4a26

SHA1
7d76dc65adcd1dd28c1007a98b7271269c7f0fbf

SHA256
455357f9a8164dcc16dc461cb81c48bf0215d871152c7b6e1577944a4b6b6edf

SHA512
b38d87cbdf445cc9ec51bfb5c0b00fc99b90a531d4466b68215fba6ee2603ac973e17b8b98292187c2218f52525bec19487139bcb7e6d48fae02f2896310e8bc

Download Submit
C:\Users\Public\vbc.exe

Filesize
621KB

MD5
e38099e6cb5af67be5ac2ca9d52b4a26

SHA1
7d76dc65adcd1dd28c1007a98b7271269c7f0fbf

SHA256
455357f9a8164dcc16dc461cb81c48bf0215d871152c7b6e1577944a4b6b6edf

SHA512
b38d87cbdf445cc9ec51bfb5c0b00fc99b90a531d4466b68215fba6ee2603ac973e17b8b98292187c2218f52525bec19487139bcb7e6d48fae02f2896310e8bc

Download Submit
\Users\Public\vbc.exe

Filesize
621KB

MD5
e38099e6cb5af67be5ac2ca9d52b4a26

SHA1
7d76dc65adcd1dd28c1007a98b7271269c7f0fbf

SHA256
455357f9a8164dcc16dc461cb81c48bf0215d871152c7b6e1577944a4b6b6edf

SHA512
b38d87cbdf445cc9ec51bfb5c0b00fc99b90a531d4466b68215fba6ee2603ac973e17b8b98292187c2218f52525bec19487139bcb7e6d48fae02f2896310e8bc

Download Submit
\Users\Public\vbc.exe

Filesize
621KB

MD5
e38099e6cb5af67be5ac2ca9d52b4a26

SHA1
7d76dc65adcd1dd28c1007a98b7271269c7f0fbf

SHA256
455357f9a8164dcc16dc461cb81c48bf0215d871152c7b6e1577944a4b6b6edf

SHA512
b38d87cbdf445cc9ec51bfb5c0b00fc99b90a531d4466b68215fba6ee2603ac973e17b8b98292187c2218f52525bec19487139bcb7e6d48fae02f2896310e8bc

Download Submit
\Users\Public\vbc.exe

Filesize
621KB

MD5
e38099e6cb5af67be5ac2ca9d52b4a26

SHA1
7d76dc65adcd1dd28c1007a98b7271269c7f0fbf

SHA256
455357f9a8164dcc16dc461cb81c48bf0215d871152c7b6e1577944a4b6b6edf

SHA512
b38d87cbdf445cc9ec51bfb5c0b00fc99b90a531d4466b68215fba6ee2603ac973e17b8b98292187c2218f52525bec19487139bcb7e6d48fae02f2896310e8bc

Download Submit
\Users\Public\vbc.exe

Filesize
621KB

MD5
e38099e6cb5af67be5ac2ca9d52b4a26

SHA1
7d76dc65adcd1dd28c1007a98b7271269c7f0fbf

SHA256
455357f9a8164dcc16dc461cb81c48bf0215d871152c7b6e1577944a4b6b6edf

SHA512
b38d87cbdf445cc9ec51bfb5c0b00fc99b90a531d4466b68215fba6ee2603ac973e17b8b98292187c2218f52525bec19487139bcb7e6d48fae02f2896310e8bc

Download Submit
memory/664-89-0x00000000010D0000-0x0000000001108000-memory.dmp

Filesize
224KB

Download
memory/664-83-0x0000000001120000-0x00000000011C2000-memory.dmp

Filesize
648KB

Download
memory/664-85-0x0000000000E10000-0x0000000000E50000-memory.dmp

Filesize
256KB

Download
memory/664-86-0x0000000000E10000-0x0000000000E50000-memory.dmp

Filesize
256KB

Download
memory/664-87-0x0000000000540000-0x000000000054C000-memory.dmp

Filesize
48KB

Download
memory/664-88-0x0000000000D90000-0x0000000000E00000-memory.dmp

Filesize
448KB

Download
memory/664-84-0x00000000004B0000-0x00000000004C4000-memory.dmp

Filesize
80KB

Download
memory/940-107-0x0000000000340000-0x0000000000358000-memory.dmp

Filesize
96KB

Download
memory/940-109-0x00000000020C0000-0x00000000023C3000-memory.dmp

Filesize
3.0MB

Download
memory/940-105-0x0000000000340000-0x0000000000358000-memory.dmp

Filesize
96KB

Download
memory/940-108-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/940-110-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/940-112-0x0000000001E90000-0x0000000001F24000-memory.dmp

Filesize
592KB

Download
memory/1048-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1048-121-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1308-120-0x0000000007F30000-0x0000000008048000-memory.dmp

Filesize
1.1MB

Download
memory/1308-96-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1308-100-0x0000000007240000-0x0000000007322000-memory.dmp

Filesize
904KB

Download
memory/1308-130-0x0000000007F30000-0x0000000008048000-memory.dmp

Filesize
1.1MB

Download
memory/1308-128-0x0000000007F30000-0x0000000008048000-memory.dmp

Filesize
1.1MB

Download
memory/1308-104-0x0000000007330000-0x0000000007480000-memory.dmp

Filesize
1.3MB

Download
memory/1632-92-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1632-106-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1632-103-0x00000000002E0000-0x00000000002F5000-memory.dmp

Filesize
84KB

Download
memory/1632-99-0x00000000002A0000-0x00000000002B5000-memory.dmp

Filesize
84KB

Download
memory/1632-98-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1632-97-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download
memory/1632-93-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1632-91-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1632-90-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download