formbook | d66bc7fd9f24dcf99ceb2c76a3996903d94c260fff462dc2152c1e1d74e8a345

General

Target

Transfer slip.xls
Size

1.0MB
MD5

e02848eb9256c23985ce2d92f1eb3fed
SHA1

59070bd92b372770242c0d0fe7f1bfcf86df7e80
SHA256

d66bc7fd9f24dcf99ceb2c76a3996903d94c260fff462dc2152c1e1d74e8a345
SHA512

ed52ff8f2b97bf05decf84a0fe276afa0943bb95f1ab3ec6c7fd25ec1039e724325cfb6030d397f7aa7fd7b4004711cc0faa9647e3bb0c5a2024b12b987fa792
SSDEEP

24576:1r5XXXXXXXXXXXXUXXXXXXXSXXXXXXXXgm7r5XXXXXXXXXXXXUXXXXXXXSXXXXXF:V

Score

10^/10

formbook dcn0 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

dcn0

Decoy

ZVx68vDtAMBCwg==

oBMBvsNORkM/O/ox

Ff9pISWkm6eG4lByIspp

c2T42c6CIIF6B8xTxm9XzpVw

bvjhxRbnAC183w==

0lTttSNG4HUDNflyIspp

hPXFlstqiHA/O/ox

WLR+MeerxZ0cNn1ja+IQAYo=

IHRn4xXOVKi477zarG+ObSy7YJA=

Xhf3e+tdAC183w==

Xk0ZAezv2rWH

kngo+vBeSRN7AszNwam3Osmguuqc0MoC

a2Qp7a+E8fSw7LDjpnqEKjsRZA==

3zjy4E7+QM48wg==

YcCmqT3OUNAigVott2pBKiy7YJA=

4+SMeX1juat/5cZ1AZihcyy7YJA=

/+m7sro0OBTl3TMpCw==

i2ctEfe4//a64yklMsgS2J90

+loZ2QKGX0UWgpvErMs=

b9BNCnJWQJS8IfsR0uR3bCy7YJA=

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 520 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1056 vbc.exe
1344 vbc.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

vbc.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Control Panel\International\Geo\Nation vbc.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid process

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

Scripting
T1064
Suspicious use of SetThreadContext 2 IoCs

Processes:

vbc.exevbc.exe

description pid process target process

PID 1056 set thread context of 1344 1056 vbc.exe vbc.exe
PID 1344 set thread context of 1284 1344 vbc.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

520 EQNEDT32.EXE

flow	pid	process
4	520	EQNEDT32.EXE

pid	process
1056	vbc.exe
1344	vbc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Control Panel\International\Geo\Nation	vbc.exe

pid	process
520	EQNEDT32.EXE
520	EQNEDT32.EXE

description	pid	process	target process
PID 1056 set thread context of 1344	1056	vbc.exe	vbc.exe
PID 1344 set thread context of 1284	1344	vbc.exe	Explorer.EXE

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

pid	process
520	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Set value (str)	\REGISTRY\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
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt	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 deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\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	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\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 deleted	\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	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 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 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 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\ = "&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\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	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 created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	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
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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	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\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1"	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\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	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\shell\edit	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command	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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\""	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word	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\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	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\mhtmlfile\DefaultIcon	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\Microsoft Publisher\shell\edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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\DefaultIcon	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft 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\MSPub.exe	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 deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1276 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

vbc.exemsiexec.exe

pid process

1344 vbc.exe
1344 vbc.exe
1344 vbc.exe
1344 vbc.exe
1744 msiexec.exe
1744 msiexec.exe
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

vbc.exemsiexec.exe

pid process

1344 vbc.exe
1344 vbc.exe
1344 vbc.exe
1744 msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

vbc.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 1344 vbc.exe
Token: SeDebugPrivilege 1744 msiexec.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1276 EXCEL.EXE
1276 EXCEL.EXE
1276 EXCEL.EXE

pid	process
1276	EXCEL.EXE

pid	process
1344	vbc.exe
1344	vbc.exe
1344	vbc.exe
1344	vbc.exe
1744	msiexec.exe
1744	msiexec.exe

pid	process
1344	vbc.exe
1344	vbc.exe
1344	vbc.exe
1744	msiexec.exe

description	pid	process
Token: SeDebugPrivilege	1344	vbc.exe
Token: SeDebugPrivilege	1744	msiexec.exe

pid	process
1276	EXCEL.EXE
1276	EXCEL.EXE
1276	EXCEL.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXE

description	pid	process	target process
PID 520 wrote to memory of 1056	520	EQNEDT32.EXE	vbc.exe
PID 520 wrote to memory of 1056	520	EQNEDT32.EXE	vbc.exe
PID 520 wrote to memory of 1056	520	EQNEDT32.EXE	vbc.exe
PID 520 wrote to memory of 1056	520	EQNEDT32.EXE	vbc.exe
PID 1056 wrote to memory of 1344	1056	vbc.exe	vbc.exe
PID 1056 wrote to memory of 1344	1056	vbc.exe	vbc.exe
PID 1056 wrote to memory of 1344	1056	vbc.exe	vbc.exe
PID 1056 wrote to memory of 1344	1056	vbc.exe	vbc.exe
PID 1056 wrote to memory of 1344	1056	vbc.exe	vbc.exe
PID 1056 wrote to memory of 1344	1056	vbc.exe	vbc.exe
PID 1056 wrote to memory of 1344	1056	vbc.exe	vbc.exe
PID 1284 wrote to memory of 1744	1284	Explorer.EXE	msiexec.exe
PID 1284 wrote to memory of 1744	1284	Explorer.EXE	msiexec.exe
PID 1284 wrote to memory of 1744	1284	Explorer.EXE	msiexec.exe
PID 1284 wrote to memory of 1744	1284	Explorer.EXE	msiexec.exe
PID 1284 wrote to memory of 1744	1284	Explorer.EXE	msiexec.exe
PID 1284 wrote to memory of 1744	1284	Explorer.EXE	msiexec.exe
PID 1284 wrote to memory of 1744	1284	Explorer.EXE	msiexec.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- 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\Transfer slip.xls"
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1276

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1744

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:520

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1056

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1344

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Public\vbc.exe
Filesize
1.1MB

MD5
6a48cce91cb89eb4405f9ba2c2124cd6

SHA1
5de7e1fd1eac0078123e4c9b63f11ce6d0527152

SHA256
46c11187b0eeba2ad55a36d97fc897cd2612a4cdf491405826346092af6e261e

SHA512
bc95a9a76dd49db6669bf9ccb2acbf23db77fd4f774eca37483768ef87b6319c8525b6acdd67ceb82fad17fcfa52f6c445367aa525775a422095a5fa20d65d34

Download Submit
C:\Users\Public\vbc.exe
Filesize
1.1MB

MD5
6a48cce91cb89eb4405f9ba2c2124cd6

SHA1
5de7e1fd1eac0078123e4c9b63f11ce6d0527152

SHA256
46c11187b0eeba2ad55a36d97fc897cd2612a4cdf491405826346092af6e261e

SHA512
bc95a9a76dd49db6669bf9ccb2acbf23db77fd4f774eca37483768ef87b6319c8525b6acdd67ceb82fad17fcfa52f6c445367aa525775a422095a5fa20d65d34

Download Submit
C:\Users\Public\vbc.exe
Filesize
1.1MB

MD5
6a48cce91cb89eb4405f9ba2c2124cd6

SHA1
5de7e1fd1eac0078123e4c9b63f11ce6d0527152

SHA256
46c11187b0eeba2ad55a36d97fc897cd2612a4cdf491405826346092af6e261e

SHA512
bc95a9a76dd49db6669bf9ccb2acbf23db77fd4f774eca37483768ef87b6319c8525b6acdd67ceb82fad17fcfa52f6c445367aa525775a422095a5fa20d65d34

Download Submit
\Users\Public\vbc.exe
Filesize
1.1MB

MD5
6a48cce91cb89eb4405f9ba2c2124cd6

SHA1
5de7e1fd1eac0078123e4c9b63f11ce6d0527152

SHA256
46c11187b0eeba2ad55a36d97fc897cd2612a4cdf491405826346092af6e261e

SHA512
bc95a9a76dd49db6669bf9ccb2acbf23db77fd4f774eca37483768ef87b6319c8525b6acdd67ceb82fad17fcfa52f6c445367aa525775a422095a5fa20d65d34

Download Submit
\Users\Public\vbc.exe
Filesize
1.1MB

MD5
6a48cce91cb89eb4405f9ba2c2124cd6

SHA1
5de7e1fd1eac0078123e4c9b63f11ce6d0527152

SHA256
46c11187b0eeba2ad55a36d97fc897cd2612a4cdf491405826346092af6e261e

SHA512
bc95a9a76dd49db6669bf9ccb2acbf23db77fd4f774eca37483768ef87b6319c8525b6acdd67ceb82fad17fcfa52f6c445367aa525775a422095a5fa20d65d34

Download Submit
memory/1056-72-0x0000000004F60000-0x0000000004FD2000-memory.dmp

Filesize
456KB

Download
memory/1056-65-0x0000000000EB0000-0x0000000000FCA000-memory.dmp

Filesize
1.1MB

Download
memory/1056-67-0x00000000003E0000-0x00000000003F8000-memory.dmp

Filesize
96KB

Download
memory/1056-70-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1056-71-0x00000000058B0000-0x000000000595C000-memory.dmp

Filesize
688KB

Download
memory/1056-62-0x0000000000000000-mapping.dmp

Download
memory/1276-55-0x0000000070FD1000-0x0000000070FD3000-memory.dmp

Filesize
8KB

Download
memory/1276-58-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/1276-57-0x0000000071FBD000-0x0000000071FC8000-memory.dmp

Filesize
44KB

Download
memory/1276-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1276-68-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1276-69-0x0000000071FBD000-0x0000000071FC8000-memory.dmp

Filesize
44KB

Download
memory/1276-54-0x000000002F711000-0x000000002F714000-memory.dmp

Filesize
12KB

Download
memory/1284-86-0x0000000006C70000-0x0000000006D87000-memory.dmp

Filesize
1.1MB

Download
memory/1344-85-0x0000000000070000-0x0000000000080000-memory.dmp

Filesize
64KB

Download
memory/1344-73-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1344-74-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1344-80-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1344-81-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/1344-83-0x0000000000920000-0x0000000000C23000-memory.dmp

Filesize
3.0MB

Download
memory/1344-77-0x00000000004012B0-mapping.dmp

Download
memory/1344-84-0x0000000000422000-0x0000000000424000-memory.dmp

Filesize
8KB

Download
memory/1344-76-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1344-89-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1344-88-0x0000000000401000-0x000000000042E000-memory.dmp

Filesize
180KB

Download
memory/1744-87-0x0000000000000000-mapping.dmp

Download
memory/1744-91-0x00000000009E0000-0x00000000009F4000-memory.dmp

Filesize
80KB

Download
memory/1744-92-0x0000000000090000-0x00000000000BD000-memory.dmp

Filesize
180KB

Download
memory/1744-93-0x0000000002130000-0x0000000002433000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads