formbook | 7583d99426f32a09f530dc3746df2ccb44aada08f258083565cffe4491f0f6d4

Analysis

max time kernel
151s
max time network
163s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20-09-2022 03:53

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General

Target

HBL_2022_790643.rtf
Size

21KB
MD5

1bec2ce33fbfac0bae25e2e97f192172
SHA1

d7bcee3c070796b2c618415533f57b5d9c48f5be
SHA256

7583d99426f32a09f530dc3746df2ccb44aada08f258083565cffe4491f0f6d4
SHA512

6b62df7ecbf214a8e000474e36f450eaf84f67aaa8fc32a1f4d5d411c222ea94f0a35625580d926663f7366b92206bde7a1441528aa8c523c20fbd8101f9188d
SSDEEP

384:Py+I8QPgKLToFhryQ9JElr+GOilcLdXj1PVq8h7taiw0KIPw:P8++ToFpyQ96/OilcpXjB4u7nw0KIPw

Score

10^/10

formbook xloader tbgn loader rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

tbgn

Decoy

72uabkWDao+ISa9+tnvd8g==

iHmPX6PZRe2+KUpH8bvyQ68=

DDZrOvw0IT/2cK9sgmSn5Q==

c9nixBxRvLxNBkHR/Q==

Ms/6ydhGJCsp8F8rmWeBMbg=

9vwtEc/074RPygwVx3vJk1Sj6nRnFQ==

3Xy/qN8agnyJQpliwmSqtMLvdQ==

4YelbYl+4fT6sSYguZ3Lhh+rSJQ=

3HSghdAThh2rZPMKqkifKesnqu9orLE=

zwA5DmqaB+VyYuw=

JcUFx6bdrcZbFjWu4rL4

IL7z2C5vtEdYBx/NAYE=

H4+ggrrmXwTFTain36T5

IBEn7UyPK8eER+id9w==

j7LfxdFDOWJlInsaWRhTRMXjLpByHw==

gBsrBXWAXWg9MqYDIug0G+l2k9gQ

432wiJgA7Ox7OsNDexmDtMLvdQ==

fJzoyChf4PQCtyIny2K6jQsBLpByHw==

gLTzwFJTKj3Pds0HC83YDd4h

EKPToXy2sdR1J4bau1KqkwsBLpByHw==

Extracted

Family

xloader

Version

3.7

Campaign

tbgn

Decoy

72uabkWDao+ISa9+tnvd8g==

iHmPX6PZRe2+KUpH8bvyQ68=

DDZrOvw0IT/2cK9sgmSn5Q==

c9nixBxRvLxNBkHR/Q==

Ms/6ydhGJCsp8F8rmWeBMbg=

9vwtEc/074RPygwVx3vJk1Sj6nRnFQ==

3Xy/qN8agnyJQpliwmSqtMLvdQ==

4YelbYl+4fT6sSYguZ3Lhh+rSJQ=

3HSghdAThh2rZPMKqkifKesnqu9orLE=

zwA5DmqaB+VyYuw=

JcUFx6bdrcZbFjWu4rL4

IL7z2C5vtEdYBx/NAYE=

H4+ggrrmXwTFTain36T5

IBEn7UyPK8eER+id9w==

j7LfxdFDOWJlInsaWRhTRMXjLpByHw==

gBsrBXWAXWg9MqYDIug0G+l2k9gQ

432wiJgA7Ox7OsNDexmDtMLvdQ==

fJzoyChf4PQCtyIny2K6jQsBLpByHw==

gLTzwFJTKj3Pds0HC83YDd4h

EKPToXy2sdR1J4bau1KqkwsBLpByHw==

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	976	EQNEDT32.EXE

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
1084	ikmerdhr8574.exe
1732	ikmerdhr8574.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Control Panel\International\Geo\Nation	ikmerdhr8574.exe

Loads dropped DLL 3 IoCs

pid	Process
976	EQNEDT32.EXE
976	EQNEDT32.EXE
1464	raserver.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1084 set thread context of 1732	1084	ikmerdhr8574.exe	38
PID 1732 set thread context of 1256	1732	ikmerdhr8574.exe	10
PID 1732 set thread context of 1256	1732	ikmerdhr8574.exe	10
PID 1464 set thread context of 1256	1464	raserver.exe	10

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Office loads VBA resources, possible macro or embedded object present

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
304	schtasks.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
976	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.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\""	WINWORD.EXE
Key created	\Registry\User\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.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\""	WINWORD.EXE

Modifies registry class 64 IoCs

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command	WINWORD.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"	WINWORD.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\""	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\""	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel	WINWORD.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"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	WINWORD.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"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\""	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1140	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
1968	powershell.exe
1732	ikmerdhr8574.exe
1732	ikmerdhr8574.exe
1732	ikmerdhr8574.exe
1732	ikmerdhr8574.exe
1732	ikmerdhr8574.exe
1464	raserver.exe
1464	raserver.exe
1464	raserver.exe
1464	raserver.exe
1464	raserver.exe
1464	raserver.exe
1464	raserver.exe
1464	raserver.exe
1464	raserver.exe
1464	raserver.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
1732	ikmerdhr8574.exe
1732	ikmerdhr8574.exe
1732	ikmerdhr8574.exe
1732	ikmerdhr8574.exe
1464	raserver.exe
1464	raserver.exe
1464	raserver.exe
1464	raserver.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1968	powershell.exe
Token: SeDebugPrivilege	1732	ikmerdhr8574.exe
Token: SeDebugPrivilege	1464	raserver.exe
Token: SeShutdownPrivilege	1256	Explorer.EXE
Token: SeShutdownPrivilege	1256	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1140	WINWORD.EXE
1140	WINWORD.EXE

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 976 wrote to memory of 1084	976	EQNEDT32.EXE	30
PID 976 wrote to memory of 1084	976	EQNEDT32.EXE	30
PID 976 wrote to memory of 1084	976	EQNEDT32.EXE	30
PID 976 wrote to memory of 1084	976	EQNEDT32.EXE	30
PID 1140 wrote to memory of 840	1140	WINWORD.EXE	33
PID 1140 wrote to memory of 840	1140	WINWORD.EXE	33
PID 1140 wrote to memory of 840	1140	WINWORD.EXE	33
PID 1140 wrote to memory of 840	1140	WINWORD.EXE	33
PID 1084 wrote to memory of 1968	1084	ikmerdhr8574.exe	34
PID 1084 wrote to memory of 1968	1084	ikmerdhr8574.exe	34
PID 1084 wrote to memory of 1968	1084	ikmerdhr8574.exe	34
PID 1084 wrote to memory of 1968	1084	ikmerdhr8574.exe	34
PID 1084 wrote to memory of 304	1084	ikmerdhr8574.exe	36
PID 1084 wrote to memory of 304	1084	ikmerdhr8574.exe	36
PID 1084 wrote to memory of 304	1084	ikmerdhr8574.exe	36
PID 1084 wrote to memory of 304	1084	ikmerdhr8574.exe	36
PID 1084 wrote to memory of 1732	1084	ikmerdhr8574.exe	38
PID 1084 wrote to memory of 1732	1084	ikmerdhr8574.exe	38
PID 1084 wrote to memory of 1732	1084	ikmerdhr8574.exe	38
PID 1084 wrote to memory of 1732	1084	ikmerdhr8574.exe	38
PID 1084 wrote to memory of 1732	1084	ikmerdhr8574.exe	38
PID 1084 wrote to memory of 1732	1084	ikmerdhr8574.exe	38
PID 1084 wrote to memory of 1732	1084	ikmerdhr8574.exe	38
PID 1256 wrote to memory of 1464	1256	Explorer.EXE	39
PID 1256 wrote to memory of 1464	1256	Explorer.EXE	39
PID 1256 wrote to memory of 1464	1256	Explorer.EXE	39
PID 1256 wrote to memory of 1464	1256	Explorer.EXE	39
PID 1464 wrote to memory of 1040	1464	raserver.exe	40
PID 1464 wrote to memory of 1040	1464	raserver.exe	40
PID 1464 wrote to memory of 1040	1464	raserver.exe	40
PID 1464 wrote to memory of 1040	1464	raserver.exe	40
PID 1464 wrote to memory of 1040	1464	raserver.exe	40

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
  "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\HBL_2022_790643.rtf"
  2⤵
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Modifies registry class
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1140
- - C:\Windows\splwow64.exe
    C:\Windows\splwow64.exe 12288
    3⤵
    PID:840
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1464
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1040

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:976
- C:\Users\Admin\AppData\Roaming\ikmerdhr8574.exe
  "C:\Users\Admin\AppData\Roaming\ikmerdhr8574.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1084
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\brwPfz.exe"
    3⤵
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1968
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\brwPfz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3A82.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:304
- - C:\Users\Admin\AppData\Roaming\ikmerdhr8574.exe
    "C:\Users\Admin\AppData\Roaming\ikmerdhr8574.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1732

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

T1203

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

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\Admin\AppData\Local\Temp\tmp3A82.tmp

Filesize
1KB

MD5
4b29a57f9c73cfabc54e555cff086711

SHA1
65165facc3740e88f0296291894a7f3110de7101

SHA256
b58855fc3d0df9d4c5efca47f6201514f5336ad9fc8ff2660eeab0b5ff067bef

SHA512
8a4f2401d8d0b255ae6a90e50d47b959d53f0a4bf0611e509e37826dca17212df4a69f4f63985b753344b9dbdcfeb700cfa2d288d548d797b091d23bcdec05dd

Download Submit
C:\Users\Admin\AppData\Roaming\ikmerdhr8574.exe

Filesize
787KB

MD5
a55da69dfb865c222fc859499359ea80

SHA1
8838c9b064de49abd25108ac0980834a25c07f01

SHA256
c1d264d13d50718c1f418aa1f867a36dc3d3dca377517cc5a1a4c676f4bd6a81

SHA512
efa6cc768da63def96a89345240a5df250165e1a326279a8244533ba38948fd0ed6e986471437e8633ff90975ffc3cfb42db8f00adf02333ff478335f174c242

Download Submit
C:\Users\Admin\AppData\Roaming\ikmerdhr8574.exe

Filesize
787KB

MD5
a55da69dfb865c222fc859499359ea80

SHA1
8838c9b064de49abd25108ac0980834a25c07f01

SHA256
c1d264d13d50718c1f418aa1f867a36dc3d3dca377517cc5a1a4c676f4bd6a81

SHA512
efa6cc768da63def96a89345240a5df250165e1a326279a8244533ba38948fd0ed6e986471437e8633ff90975ffc3cfb42db8f00adf02333ff478335f174c242

Download Submit
C:\Users\Admin\AppData\Roaming\ikmerdhr8574.exe

Filesize
787KB

MD5
a55da69dfb865c222fc859499359ea80

SHA1
8838c9b064de49abd25108ac0980834a25c07f01

SHA256
c1d264d13d50718c1f418aa1f867a36dc3d3dca377517cc5a1a4c676f4bd6a81

SHA512
efa6cc768da63def96a89345240a5df250165e1a326279a8244533ba38948fd0ed6e986471437e8633ff90975ffc3cfb42db8f00adf02333ff478335f174c242

Download Submit
\Users\Admin\AppData\Local\Temp\sqlite3.dll

Filesize
904KB

MD5
5e5ba61531d74e45b11cadb79e7394a1

SHA1
677224e14aac9dd35f367d5eb1704b36e69356b8

SHA256
99e91ae250c955bd403ec1a2321d6b11fcb715bdcc7cb3f63ffb46b349afde5c

SHA512
712bfe419ba97ecf0ec8323a68743013e8c767da9d986f74ab94d2a395c3086cac2a5823048e0022d3bbcebb55281b9e1f8c87fdc9295c70cc5521b57850bf46

Download Submit
\Users\Admin\AppData\Roaming\ikmerdhr8574.exe

Filesize
787KB

MD5
a55da69dfb865c222fc859499359ea80

SHA1
8838c9b064de49abd25108ac0980834a25c07f01

SHA256
c1d264d13d50718c1f418aa1f867a36dc3d3dca377517cc5a1a4c676f4bd6a81

SHA512
efa6cc768da63def96a89345240a5df250165e1a326279a8244533ba38948fd0ed6e986471437e8633ff90975ffc3cfb42db8f00adf02333ff478335f174c242

Download Submit
\Users\Admin\AppData\Roaming\ikmerdhr8574.exe

Filesize
787KB

MD5
a55da69dfb865c222fc859499359ea80

SHA1
8838c9b064de49abd25108ac0980834a25c07f01

SHA256
c1d264d13d50718c1f418aa1f867a36dc3d3dca377517cc5a1a4c676f4bd6a81

SHA512
efa6cc768da63def96a89345240a5df250165e1a326279a8244533ba38948fd0ed6e986471437e8633ff90975ffc3cfb42db8f00adf02333ff478335f174c242

Download Submit
memory/840-70-0x000007FEFB871000-0x000007FEFB873000-memory.dmp

Filesize
8KB

Download
memory/1084-72-0x0000000005CD0000-0x0000000005D60000-memory.dmp

Filesize
576KB

Download
memory/1084-77-0x0000000004F10000-0x0000000004F44000-memory.dmp

Filesize
208KB

Download
memory/1084-65-0x0000000000C40000-0x0000000000D0C000-memory.dmp

Filesize
816KB

Download
memory/1084-67-0x0000000000500000-0x0000000000516000-memory.dmp

Filesize
88KB

Download
memory/1084-71-0x00000000005C0000-0x00000000005CC000-memory.dmp

Filesize
48KB

Download
memory/1140-68-0x0000000070C2D000-0x0000000070C38000-memory.dmp

Filesize
44KB

Download
memory/1140-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1140-54-0x00000000721C1000-0x00000000721C4000-memory.dmp

Filesize
12KB

Download
memory/1140-58-0x0000000070C2D000-0x0000000070C38000-memory.dmp

Filesize
44KB

Download
memory/1140-57-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

Download
memory/1140-55-0x000000006FC41000-0x000000006FC43000-memory.dmp

Filesize
8KB

Download
memory/1140-106-0x0000000070C2D000-0x0000000070C38000-memory.dmp

Filesize
44KB

Download
memory/1140-104-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1256-91-0x0000000006640000-0x00000000067A6000-memory.dmp

Filesize
1.4MB

Download
memory/1256-94-0x0000000006C00000-0x0000000006CF1000-memory.dmp

Filesize
964KB

Download
memory/1256-108-0x0000000007180000-0x00000000072FC000-memory.dmp

Filesize
1.5MB

Download
memory/1256-105-0x0000000007180000-0x00000000072FC000-memory.dmp

Filesize
1.5MB

Download
memory/1464-101-0x0000000001E80000-0x0000000002183000-memory.dmp

Filesize
3.0MB

Download
memory/1464-103-0x00000000000E0000-0x000000000010D000-memory.dmp

Filesize
180KB

Download
memory/1464-102-0x0000000001D80000-0x0000000001E0F000-memory.dmp

Filesize
572KB

Download
memory/1464-100-0x00000000000E0000-0x000000000010D000-memory.dmp

Filesize
180KB

Download
memory/1464-99-0x00000000002F0000-0x000000000030C000-memory.dmp

Filesize
112KB

Download
memory/1732-93-0x0000000000210000-0x0000000000220000-memory.dmp

Filesize
64KB

Download
memory/1732-86-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1732-96-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1732-98-0x0000000000401000-0x000000000042F000-memory.dmp

Filesize
184KB

Download
memory/1732-89-0x0000000000880000-0x0000000000B83000-memory.dmp

Filesize
3.0MB

Download
memory/1732-92-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1732-85-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1732-90-0x00000000000E0000-0x00000000000F0000-memory.dmp

Filesize
64KB

Download
memory/1732-81-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1732-78-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1732-79-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1968-88-0x0000000065150000-0x00000000656FB000-memory.dmp

Filesize
5.7MB

Download