formbook | 8340f192a38f93e6ad8fc515505e2d2a9d8b0457e3f2d684a60ba292aa8c1cd0

General

Target

8340F192A38F93E6AD8FC515505E2D2A9D8B0457E3F2D684A60BA292AA8C1CD0.xls
Size

813KB
MD5

3c8761ae223c4e16060ec46b42d46ca6
SHA1

e52161319d8a16f308912d3fcfe834c31de4a411
SHA256

8340f192a38f93e6ad8fc515505e2d2a9d8b0457e3f2d684a60ba292aa8c1cd0
SHA512

13daa66c63c13ac557243ce7c0ed4fead59940411ed53686627fef16d8021d85243abcfa999e96c70a44b50cc292bd97a0c0f402979cfefda6a6fff547bd14b0
SSDEEP

24576:qinr5XXXXXXXXXXXXUXXXXXXXSXXXXXXXX4m+r5XXXXXXXXXXXXUXXXXXXXSXXXn:8QX1FU

Score

10^/10

formbook b3es rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b3es

Decoy

sweets.wtf

apextama.com

tygbs.com

kumaoedu.com

bestbathroomremodeling.club

lnshykj.com

nelsonanddima.com

falunap.info

codyhinrichs.com

2797vip.com

danutka.com

3o2t307a.com

kellymariewest.com

profilelonn.online

procan.website

sopjimmy.com

xn--skdarkae-55ac80i.net

entitymanaged.com

melitadahl.art

joineguru.net

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/1144-76-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1144-77-0x000000000041F0F0-mapping.dmp	formbook
behavioral1/memory/1144-80-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1856-90-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/1856-94-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 936 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

vbc.exevbc.exevbc.exe

pid process

240 vbc.exe
1700 vbc.exe
1144 vbc.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid process

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

Scripting
T1064

flow	pid	process
3	936	EQNEDT32.EXE

pid	process
936	EQNEDT32.EXE
936	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exemstsc.exe

description	pid	process	target process
PID 240 set thread context of 1144	240	vbc.exe	vbc.exe
PID 1144 set thread context of 1232	1144	vbc.exe	Explorer.EXE
PID 1856 set thread context of 1232	1856	mstsc.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

936 EQNEDT32.EXE

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

pid	process
936	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
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	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
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
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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\edit\command	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-1-5-21-999675638-2867687379-27515722-1000\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-1-5-21-999675638-2867687379-27515722-1000\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
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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Key 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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\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	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1976 EXCEL.EXE

pid	process
1976	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

vbc.exevbc.exemstsc.exe

pid	process
240	vbc.exe
240	vbc.exe
240	vbc.exe
240	vbc.exe
1144	vbc.exe
1144	vbc.exe
1856	mstsc.exe
1856	mstsc.exe
1856	mstsc.exe
1856	mstsc.exe
1856	mstsc.exe
1856	mstsc.exe
1856	mstsc.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exemstsc.exe

pid process

1144 vbc.exe
1144 vbc.exe
1144 vbc.exe
1856 mstsc.exe
1856 mstsc.exe

pid	process
1144	vbc.exe
1144	vbc.exe
1144	vbc.exe
1856	mstsc.exe
1856	mstsc.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

vbc.exevbc.exeExplorer.EXEmstsc.exe

description	pid	process
Token: SeDebugPrivilege	240	vbc.exe
Token: SeDebugPrivilege	1144	vbc.exe
Token: SeShutdownPrivilege	1232	Explorer.EXE
Token: SeShutdownPrivilege	1232	Explorer.EXE
Token: SeDebugPrivilege	1856	mstsc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1976 EXCEL.EXE
1976 EXCEL.EXE
1976 EXCEL.EXE

pid	process
1976	EXCEL.EXE
1976	EXCEL.EXE
1976	EXCEL.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 936 wrote to memory of 240	936	EQNEDT32.EXE	vbc.exe
PID 936 wrote to memory of 240	936	EQNEDT32.EXE	vbc.exe
PID 936 wrote to memory of 240	936	EQNEDT32.EXE	vbc.exe
PID 936 wrote to memory of 240	936	EQNEDT32.EXE	vbc.exe
PID 240 wrote to memory of 1700	240	vbc.exe	vbc.exe
PID 240 wrote to memory of 1700	240	vbc.exe	vbc.exe
PID 240 wrote to memory of 1700	240	vbc.exe	vbc.exe
PID 240 wrote to memory of 1700	240	vbc.exe	vbc.exe
PID 240 wrote to memory of 1144	240	vbc.exe	vbc.exe
PID 240 wrote to memory of 1144	240	vbc.exe	vbc.exe
PID 240 wrote to memory of 1144	240	vbc.exe	vbc.exe
PID 240 wrote to memory of 1144	240	vbc.exe	vbc.exe
PID 240 wrote to memory of 1144	240	vbc.exe	vbc.exe
PID 240 wrote to memory of 1144	240	vbc.exe	vbc.exe
PID 240 wrote to memory of 1144	240	vbc.exe	vbc.exe
PID 1232 wrote to memory of 1856	1232	Explorer.EXE	mstsc.exe
PID 1232 wrote to memory of 1856	1232	Explorer.EXE	mstsc.exe
PID 1232 wrote to memory of 1856	1232	Explorer.EXE	mstsc.exe
PID 1232 wrote to memory of 1856	1232	Explorer.EXE	mstsc.exe
PID 1856 wrote to memory of 1476	1856	mstsc.exe	cmd.exe
PID 1856 wrote to memory of 1476	1856	mstsc.exe	cmd.exe
PID 1856 wrote to memory of 1476	1856	mstsc.exe	cmd.exe
PID 1856 wrote to memory of 1476	1856	mstsc.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1232
- 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\8340F192A38F93E6AD8FC515505E2D2A9D8B0457E3F2D684A60BA292AA8C1CD0.xls
  2⤵
  - Enumerates system info in registry
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:1976
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1856
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Public\vbc.exe"
    3⤵
    PID:1476

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:936
- 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:240
- - C:\Users\Public\vbc.exe
    "C:\Users\Public\vbc.exe"
    3⤵
    - Executes dropped EXE
    PID:1700
- - 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
    PID:1144

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

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Downloads

C:\Users\Public\vbc.exe

Filesize
904KB

MD5
2364501a86685f9a53d37d339549cee5

SHA1
ebacf33c1e9f53048a8e808429671ed489dc285d

SHA256
74a3379894a1b92cb381a128c7fe7c5f97e1a12df02588ec816d1a4fc5dc0a25

SHA512
1210b67603986cfa62d6ac7df1ac3da1aeb03d80716f605465967e8895ec9fd39106918b5de5f865b7ce937cc2f111849b88450b517201cc6ea4b2af269e819d

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

Filesize
904KB

MD5
2364501a86685f9a53d37d339549cee5

SHA1
ebacf33c1e9f53048a8e808429671ed489dc285d

SHA256
74a3379894a1b92cb381a128c7fe7c5f97e1a12df02588ec816d1a4fc5dc0a25

SHA512
1210b67603986cfa62d6ac7df1ac3da1aeb03d80716f605465967e8895ec9fd39106918b5de5f865b7ce937cc2f111849b88450b517201cc6ea4b2af269e819d

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

Filesize
904KB

MD5
2364501a86685f9a53d37d339549cee5

SHA1
ebacf33c1e9f53048a8e808429671ed489dc285d

SHA256
74a3379894a1b92cb381a128c7fe7c5f97e1a12df02588ec816d1a4fc5dc0a25

SHA512
1210b67603986cfa62d6ac7df1ac3da1aeb03d80716f605465967e8895ec9fd39106918b5de5f865b7ce937cc2f111849b88450b517201cc6ea4b2af269e819d

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

Filesize
904KB

MD5
2364501a86685f9a53d37d339549cee5

SHA1
ebacf33c1e9f53048a8e808429671ed489dc285d

SHA256
74a3379894a1b92cb381a128c7fe7c5f97e1a12df02588ec816d1a4fc5dc0a25

SHA512
1210b67603986cfa62d6ac7df1ac3da1aeb03d80716f605465967e8895ec9fd39106918b5de5f865b7ce937cc2f111849b88450b517201cc6ea4b2af269e819d

Download Submit
\Users\Public\vbc.exe

Filesize
904KB

MD5
2364501a86685f9a53d37d339549cee5

SHA1
ebacf33c1e9f53048a8e808429671ed489dc285d

SHA256
74a3379894a1b92cb381a128c7fe7c5f97e1a12df02588ec816d1a4fc5dc0a25

SHA512
1210b67603986cfa62d6ac7df1ac3da1aeb03d80716f605465967e8895ec9fd39106918b5de5f865b7ce937cc2f111849b88450b517201cc6ea4b2af269e819d

Download Submit
\Users\Public\vbc.exe

Filesize
904KB

MD5
2364501a86685f9a53d37d339549cee5

SHA1
ebacf33c1e9f53048a8e808429671ed489dc285d

SHA256
74a3379894a1b92cb381a128c7fe7c5f97e1a12df02588ec816d1a4fc5dc0a25

SHA512
1210b67603986cfa62d6ac7df1ac3da1aeb03d80716f605465967e8895ec9fd39106918b5de5f865b7ce937cc2f111849b88450b517201cc6ea4b2af269e819d

Download Submit
memory/240-68-0x0000000000520000-0x0000000000536000-memory.dmp

Filesize
88KB

Download
memory/240-71-0x00000000048A0000-0x00000000048FC000-memory.dmp

Filesize
368KB

Download
memory/240-70-0x00000000056A0000-0x0000000005736000-memory.dmp

Filesize
600KB

Download
memory/240-69-0x0000000000580000-0x000000000058E000-memory.dmp

Filesize
56KB

Download
memory/240-63-0x0000000000000000-mapping.dmp

Download
memory/240-66-0x0000000000080000-0x0000000000168000-memory.dmp

Filesize
928KB

Download
memory/1144-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1144-81-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/1144-82-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download
memory/1144-80-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1144-77-0x000000000041F0F0-mapping.dmp

Download
memory/1144-73-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1144-76-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1232-83-0x0000000006280000-0x00000000063BD000-memory.dmp

Filesize
1.2MB

Download
memory/1232-95-0x0000000006FB0000-0x00000000070ED000-memory.dmp

Filesize
1.2MB

Download
memory/1232-93-0x0000000006FB0000-0x00000000070ED000-memory.dmp

Filesize
1.2MB

Download
memory/1476-88-0x0000000000000000-mapping.dmp

Download
memory/1856-90-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1856-89-0x0000000000BC0000-0x0000000000CC4000-memory.dmp

Filesize
1.0MB

Download
memory/1856-94-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1856-92-0x00000000020D0000-0x0000000002163000-memory.dmp

Filesize
588KB

Download
memory/1856-91-0x0000000002260000-0x0000000002563000-memory.dmp

Filesize
3.0MB

Download
memory/1856-86-0x0000000000000000-mapping.dmp

Download
memory/1976-85-0x0000000071F3D000-0x0000000071F48000-memory.dmp

Filesize
44KB

Download
memory/1976-57-0x0000000071F3D000-0x0000000071F48000-memory.dmp

Filesize
44KB

Download
memory/1976-54-0x000000002F6F1000-0x000000002F6F4000-memory.dmp

Filesize
12KB

Download
memory/1976-58-0x00000000754E1000-0x00000000754E3000-memory.dmp

Filesize
8KB

Download
memory/1976-55-0x0000000070F51000-0x0000000070F53000-memory.dmp

Filesize
8KB

Download
memory/1976-84-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1976-60-0x0000000071F3D000-0x0000000071F48000-memory.dmp

Filesize
44KB

Download
memory/1976-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads