formbook | f06916db4ff1854630b29191f3a41251cdc97ab00a543c777dd5890545cca07b

Analysis

max time kernel
148s
max time network
145s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
30/03/2023, 17:23

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General

Target

3710157828.xls
Size

980KB
MD5

ca9c41409fb6b471bbe34d827fba95db
SHA1

019fbacb2125688b425dfee241fd7be49e9ee94a
SHA256

f06916db4ff1854630b29191f3a41251cdc97ab00a543c777dd5890545cca07b
SHA512

f06d36cc80ee067d21a0d126ec2dcd31a3d6324bea3ce4750bff637ec65a812821aeec4dd4b7f5a0a9301db3fefbc51fd1e6782cc70efdcfc640092c62ea67b4
SSDEEP

24576:6LKKu9VRu9VQ+MXUiu9V2ho51lOQy6qN2U:6LKKuJuY+MXPuMVQyyU

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 4 IoCs

rat

resource	yara_rule
behavioral1/memory/1552-93-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1552-98-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2040-102-0x0000000000120000-0x000000000014F000-memory.dmp	formbook
behavioral1/memory/2040-103-0x0000000000120000-0x000000000014F000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	524	EQNEDT32.EXE

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
544	vbc.exe
1552	vbc.exe

Loads dropped DLL 5 IoCs

pid	Process
524	EQNEDT32.EXE
524	EQNEDT32.EXE
524	EQNEDT32.EXE
524	EQNEDT32.EXE
524	EQNEDT32.EXE

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 544 set thread context of 1552	544	vbc.exe	33
PID 1552 set thread context of 1284	1552	vbc.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

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
2040	ipconfig.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
524	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\Toolbar	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\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-1-5-21-2647223082-2067913677-935928954-1000\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	EXCEL.EXE
Key created	\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\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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	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\shell	EXCEL.EXE
Key created	\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 MHTML Editor\shell	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\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	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	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key deleted	\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\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\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	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

Modifies registry class 64 IoCs

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1320	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1552	vbc.exe
1552	vbc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1284	Explorer.EXE

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1552	vbc.exe
1552	vbc.exe
1552	vbc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1552	vbc.exe
Token: SeShutdownPrivilege	1284	Explorer.EXE
Token: SeShutdownPrivilege	1284	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1320	EXCEL.EXE
1320	EXCEL.EXE
1320	EXCEL.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 524 wrote to memory of 544	524	EQNEDT32.EXE	31
PID 524 wrote to memory of 544	524	EQNEDT32.EXE	31
PID 524 wrote to memory of 544	524	EQNEDT32.EXE	31
PID 524 wrote to memory of 544	524	EQNEDT32.EXE	31
PID 544 wrote to memory of 1552	544	vbc.exe	33
PID 544 wrote to memory of 1552	544	vbc.exe	33
PID 544 wrote to memory of 1552	544	vbc.exe	33
PID 544 wrote to memory of 1552	544	vbc.exe	33
PID 544 wrote to memory of 1552	544	vbc.exe	33
PID 544 wrote to memory of 1552	544	vbc.exe	33
PID 544 wrote to memory of 1552	544	vbc.exe	33
PID 1284 wrote to memory of 2040	1284	Explorer.EXE	34
PID 1284 wrote to memory of 2040	1284	Explorer.EXE	34
PID 1284 wrote to memory of 2040	1284	Explorer.EXE	34
PID 1284 wrote to memory of 2040	1284	Explorer.EXE	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1284
- 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\3710157828.xls
  2⤵
  - Enumerates system info in registry
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:1320
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Gathers network information
  PID:2040
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Public\vbc.exe"
    3⤵
    PID:1336

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:524
- C:\Users\Public\vbc.exe
  "C:\Users\Public\vbc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:544
- - C:\Users\Public\vbc.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1552

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

T1059

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
762KB

MD5
d9f11abb5fbd7478a8fe993cfe8aac52

SHA1
4ef674f52ba7fb3d8f6ba2ddd2466b5da24b9b20

SHA256
91d502f918a232073359481d07dc7ba2d21b7675bcdc3e3cd0440f1cc9557833

SHA512
249691279cf3c7e04e757eb1300e88c748245f4cd5e5029fb9dd7eea6de943d7cf4b3dc831b8ce84b96f43e11300f2071b3d5c6866fbd436cc038fd53fd063bd

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

Filesize
762KB

MD5
d9f11abb5fbd7478a8fe993cfe8aac52

SHA1
4ef674f52ba7fb3d8f6ba2ddd2466b5da24b9b20

SHA256
91d502f918a232073359481d07dc7ba2d21b7675bcdc3e3cd0440f1cc9557833

SHA512
249691279cf3c7e04e757eb1300e88c748245f4cd5e5029fb9dd7eea6de943d7cf4b3dc831b8ce84b96f43e11300f2071b3d5c6866fbd436cc038fd53fd063bd

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

Filesize
762KB

MD5
d9f11abb5fbd7478a8fe993cfe8aac52

SHA1
4ef674f52ba7fb3d8f6ba2ddd2466b5da24b9b20

SHA256
91d502f918a232073359481d07dc7ba2d21b7675bcdc3e3cd0440f1cc9557833

SHA512
249691279cf3c7e04e757eb1300e88c748245f4cd5e5029fb9dd7eea6de943d7cf4b3dc831b8ce84b96f43e11300f2071b3d5c6866fbd436cc038fd53fd063bd

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

Filesize
762KB

MD5
d9f11abb5fbd7478a8fe993cfe8aac52

SHA1
4ef674f52ba7fb3d8f6ba2ddd2466b5da24b9b20

SHA256
91d502f918a232073359481d07dc7ba2d21b7675bcdc3e3cd0440f1cc9557833

SHA512
249691279cf3c7e04e757eb1300e88c748245f4cd5e5029fb9dd7eea6de943d7cf4b3dc831b8ce84b96f43e11300f2071b3d5c6866fbd436cc038fd53fd063bd

Download Submit
\Users\Public\vbc.exe

Filesize
762KB

MD5
d9f11abb5fbd7478a8fe993cfe8aac52

SHA1
4ef674f52ba7fb3d8f6ba2ddd2466b5da24b9b20

SHA256
91d502f918a232073359481d07dc7ba2d21b7675bcdc3e3cd0440f1cc9557833

SHA512
249691279cf3c7e04e757eb1300e88c748245f4cd5e5029fb9dd7eea6de943d7cf4b3dc831b8ce84b96f43e11300f2071b3d5c6866fbd436cc038fd53fd063bd

Download Submit
\Users\Public\vbc.exe

Filesize
762KB

MD5
d9f11abb5fbd7478a8fe993cfe8aac52

SHA1
4ef674f52ba7fb3d8f6ba2ddd2466b5da24b9b20

SHA256
91d502f918a232073359481d07dc7ba2d21b7675bcdc3e3cd0440f1cc9557833

SHA512
249691279cf3c7e04e757eb1300e88c748245f4cd5e5029fb9dd7eea6de943d7cf4b3dc831b8ce84b96f43e11300f2071b3d5c6866fbd436cc038fd53fd063bd

Download Submit
\Users\Public\vbc.exe

Filesize
762KB

MD5
d9f11abb5fbd7478a8fe993cfe8aac52

SHA1
4ef674f52ba7fb3d8f6ba2ddd2466b5da24b9b20

SHA256
91d502f918a232073359481d07dc7ba2d21b7675bcdc3e3cd0440f1cc9557833

SHA512
249691279cf3c7e04e757eb1300e88c748245f4cd5e5029fb9dd7eea6de943d7cf4b3dc831b8ce84b96f43e11300f2071b3d5c6866fbd436cc038fd53fd063bd

Download Submit
\Users\Public\vbc.exe

Filesize
762KB

MD5
d9f11abb5fbd7478a8fe993cfe8aac52

SHA1
4ef674f52ba7fb3d8f6ba2ddd2466b5da24b9b20

SHA256
91d502f918a232073359481d07dc7ba2d21b7675bcdc3e3cd0440f1cc9557833

SHA512
249691279cf3c7e04e757eb1300e88c748245f4cd5e5029fb9dd7eea6de943d7cf4b3dc831b8ce84b96f43e11300f2071b3d5c6866fbd436cc038fd53fd063bd

Download Submit
\Users\Public\vbc.exe

Filesize
762KB

MD5
d9f11abb5fbd7478a8fe993cfe8aac52

SHA1
4ef674f52ba7fb3d8f6ba2ddd2466b5da24b9b20

SHA256
91d502f918a232073359481d07dc7ba2d21b7675bcdc3e3cd0440f1cc9557833

SHA512
249691279cf3c7e04e757eb1300e88c748245f4cd5e5029fb9dd7eea6de943d7cf4b3dc831b8ce84b96f43e11300f2071b3d5c6866fbd436cc038fd53fd063bd

Download Submit
memory/544-89-0x0000000000A50000-0x0000000000A84000-memory.dmp

Filesize
208KB

Download
memory/544-84-0x00000000004B0000-0x00000000004BC000-memory.dmp

Filesize
48KB

Download
memory/544-87-0x0000000004DB0000-0x0000000004DF0000-memory.dmp

Filesize
256KB

Download
memory/544-88-0x00000000051A0000-0x0000000005228000-memory.dmp

Filesize
544KB

Download
memory/544-83-0x0000000004DB0000-0x0000000004DF0000-memory.dmp

Filesize
256KB

Download
memory/544-82-0x00000000011A0000-0x0000000001264000-memory.dmp

Filesize
784KB

Download
memory/1284-100-0x0000000006300000-0x000000000649C000-memory.dmp

Filesize
1.6MB

Download
memory/1284-159-0x000007FF1F5D0000-0x000007FF1F5DA000-memory.dmp

Filesize
40KB

Download
memory/1284-112-0x0000000006A10000-0x0000000006B18000-memory.dmp

Filesize
1.0MB

Download
memory/1284-96-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/1320-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1320-128-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1552-90-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1552-98-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1552-99-0x0000000000280000-0x0000000000295000-memory.dmp

Filesize
84KB

Download
memory/1552-97-0x0000000000890000-0x0000000000B93000-memory.dmp

Filesize
3.0MB

Download
memory/1552-93-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1552-92-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1552-91-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2040-101-0x0000000000FF0000-0x0000000000FFA000-memory.dmp

Filesize
40KB

Download
memory/2040-102-0x0000000000120000-0x000000000014F000-memory.dmp

Filesize
188KB

Download
memory/2040-103-0x0000000000120000-0x000000000014F000-memory.dmp

Filesize
188KB

Download