bitrat | 33805a97ec15a2d8431060421e7518149715b6e4fbba17d4011fc67d8aec9f9c

General

Target

inquiry.rtf
Size

2KB
MD5

79d6312b5a128c542ccc1e5a7d0dcc88
SHA1

2f836002cd132c70f4736e3b06b7d76096308e75
SHA256

33805a97ec15a2d8431060421e7518149715b6e4fbba17d4011fc67d8aec9f9c
SHA512

ef3b1c3da617344f374a8a57af53e9296fa257322a89f1d028618588b3ab2b9948772d14305ea4fa56c2cdcd0f014f350e43dd0d72725e06bf2f5d3e338f62e4

Score

10^/10

bitrat persistence trojan

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

37.139.128.233:3569

Attributes

communication_password
ce952068942604a6d6df06ed5002fad6
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat
Blocklisted process makes network request 5 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 976 EQNEDT32.EXE
6 976 EQNEDT32.EXE
8 976 EQNEDT32.EXE
10 976 EQNEDT32.EXE
12 976 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

Frik.exe

pid process

784 Frik.exe
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

976 EQNEDT32.EXE

flow	pid	process
4	976	EQNEDT32.EXE
6	976	EQNEDT32.EXE
8	976	EQNEDT32.EXE
10	976	EQNEDT32.EXE
12	976	EQNEDT32.EXE

pid	process
784	Frik.exe

pid	process
976	EQNEDT32.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Frik.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ajfpl = "\"C:\\Users\\Admin\\AppData\\Roaming\\Cagqu\\Ajfpl.exe\""	Frik.exe

Drops file in System32 directory 2 IoCs

Processes:

powershell.exepowershell.exe

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

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

1940 InstallUtil.exe
1940 InstallUtil.exe
1940 InstallUtil.exe
1940 InstallUtil.exe
1940 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Frik.exe

description pid process target process

PID 784 set thread context of 1940 784 Frik.exe InstallUtil.exe
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

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
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

976 EQNEDT32.EXE

pid	process
1940	InstallUtil.exe
1940	InstallUtil.exe
1940	InstallUtil.exe
1940	InstallUtil.exe
1940	InstallUtil.exe

description	pid	process	target process
PID 784 set thread context of 1940	784	Frik.exe	InstallUtil.exe

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

pid	process
976	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	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\MenuExt	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	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 HTML Editor\shell\edit\command	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.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\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	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
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\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	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 deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	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 (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	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 MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	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 MHTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1112 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exepowershell.exe

pid process

1532 powershell.exe
396 powershell.exe

pid	process
1112	WINWORD.EXE

pid	process
1532	powershell.exe
396	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exeFrik.exepowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1532	powershell.exe
Token: SeDebugPrivilege	784	Frik.exe
Token: SeDebugPrivilege	396	powershell.exe
Token: SeDebugPrivilege	1940	InstallUtil.exe
Token: SeShutdownPrivilege	1940	InstallUtil.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXEInstallUtil.exe

pid process

1112 WINWORD.EXE
1112 WINWORD.EXE
1940 InstallUtil.exe
1940 InstallUtil.exe

pid	process
1112	WINWORD.EXE
1112	WINWORD.EXE
1940	InstallUtil.exe
1940	InstallUtil.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

EQNEDT32.EXEFrik.exeWINWORD.EXE

description	pid	process	target process
PID 976 wrote to memory of 784	976	EQNEDT32.EXE	Frik.exe
PID 976 wrote to memory of 784	976	EQNEDT32.EXE	Frik.exe
PID 976 wrote to memory of 784	976	EQNEDT32.EXE	Frik.exe
PID 976 wrote to memory of 784	976	EQNEDT32.EXE	Frik.exe
PID 784 wrote to memory of 1532	784	Frik.exe	powershell.exe
PID 784 wrote to memory of 1532	784	Frik.exe	powershell.exe
PID 784 wrote to memory of 1532	784	Frik.exe	powershell.exe
PID 784 wrote to memory of 1532	784	Frik.exe	powershell.exe
PID 1112 wrote to memory of 1732	1112	WINWORD.EXE	splwow64.exe
PID 1112 wrote to memory of 1732	1112	WINWORD.EXE	splwow64.exe
PID 1112 wrote to memory of 1732	1112	WINWORD.EXE	splwow64.exe
PID 1112 wrote to memory of 1732	1112	WINWORD.EXE	splwow64.exe
PID 784 wrote to memory of 396	784	Frik.exe	powershell.exe
PID 784 wrote to memory of 396	784	Frik.exe	powershell.exe
PID 784 wrote to memory of 396	784	Frik.exe	powershell.exe
PID 784 wrote to memory of 396	784	Frik.exe	powershell.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe
PID 784 wrote to memory of 1940	784	Frik.exe	InstallUtil.exe

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\inquiry.rtf"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1112

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1732

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\Frik.exe
C:\Users\Admin\AppData\Roaming\Frik.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:784

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Get-Date
3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1532

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA1AA==
3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:396

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
3⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1940

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

1

T1203

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
61KB

MD5
fc4666cbca561e864e7fdf883a9e6661

SHA1
2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

SHA256
10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

SHA512
c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
f8f0bf26e3561915c6efe2b64d926240

SHA1
e7ad8ed6c3717198d5a15146fed924d6603870a5

SHA256
6d135cffa2ff3924d74fde35634fdea5ada1d11db87167b6670a1416e202a920

SHA512
c7f4fff2eb967d86baa80b2a76b9657a9b46fcf654fa61ffe94dc689296d3e4152e2f0c7870c043f5db32c5cb710069a1c2499a5dec7086558d4d5e412657b08

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

Filesize
65KB

MD5
7e319c1315d5b97983fb7cb4d93ddf0c

SHA1
fde2d21cb08b8d95ea2e4419e51aa43f8da348ac

SHA256
311dc36ff1b1c092fe3c27ea3d7c699b77d092da4d5f1ccb5fc8e35b9a4adf5c

SHA512
02f59f8d2dd41e1e287c46a8bd3119c98d2f2500a95a7d980791f7f6f326cad43111385b30d3c8e6de912905a81527632dd9a7089f1aa6f1716eabe4608bcfad

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

Filesize
65KB

MD5
7e319c1315d5b97983fb7cb4d93ddf0c

SHA1
fde2d21cb08b8d95ea2e4419e51aa43f8da348ac

SHA256
311dc36ff1b1c092fe3c27ea3d7c699b77d092da4d5f1ccb5fc8e35b9a4adf5c

SHA512
02f59f8d2dd41e1e287c46a8bd3119c98d2f2500a95a7d980791f7f6f326cad43111385b30d3c8e6de912905a81527632dd9a7089f1aa6f1716eabe4608bcfad

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
578e80fc79d9cc3c4d93662bc8f719f7

SHA1
ae68df619b1228443b787194fc6cb3bb0c52e156

SHA256
e8127bf307ea12008d4c1265056ca56d7503d6d988a4df8a0e61c80737b28e17

SHA512
1e04abbd616f4392813da552f27329f840a9ca5689031da8fbb5100ec3abd221a475b3d6c1ad30e038bc83d8b9cc6c20cd1cbc9e6c496cca7c6fa0e32402817a

Download Submit
\??\PIPE\srvsvc

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

Filesize
65KB

MD5
7e319c1315d5b97983fb7cb4d93ddf0c

SHA1
fde2d21cb08b8d95ea2e4419e51aa43f8da348ac

SHA256
311dc36ff1b1c092fe3c27ea3d7c699b77d092da4d5f1ccb5fc8e35b9a4adf5c

SHA512
02f59f8d2dd41e1e287c46a8bd3119c98d2f2500a95a7d980791f7f6f326cad43111385b30d3c8e6de912905a81527632dd9a7089f1aa6f1716eabe4608bcfad

Download Submit
memory/396-83-0x00000000651B0000-0x000000006575B000-memory.dmp

Filesize
5.7MB

Download
memory/396-84-0x00000000651B0000-0x000000006575B000-memory.dmp

Filesize
5.7MB

Download
memory/396-81-0x0000000004C80000-0x0000000004F52000-memory.dmp

Filesize
2.8MB

Download
memory/396-77-0x0000000000000000-mapping.dmp

Download
memory/396-85-0x00000000651B0000-0x000000006575B000-memory.dmp

Filesize
5.7MB

Download
memory/396-82-0x00000000651B0000-0x000000006575B000-memory.dmp

Filesize
5.7MB

Download
memory/784-64-0x00000000010C0000-0x00000000010D6000-memory.dmp

Filesize
88KB

Download
memory/784-61-0x0000000000000000-mapping.dmp

Download
memory/784-76-0x00000000072C0000-0x000000000769C000-memory.dmp

Filesize
3.9MB

Download
memory/1112-86-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1112-57-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

Download
memory/1112-58-0x0000000070C2D000-0x0000000070C38000-memory.dmp

Filesize
44KB

Download
memory/1112-71-0x0000000070C2D000-0x0000000070C38000-memory.dmp

Filesize
44KB

Download
memory/1112-54-0x00000000721C1000-0x00000000721C4000-memory.dmp

Filesize
12KB

Download
memory/1112-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1112-55-0x000000006FC41000-0x000000006FC43000-memory.dmp

Filesize
8KB

Download
memory/1112-87-0x0000000070C2D000-0x0000000070C38000-memory.dmp

Filesize
44KB

Download
memory/1532-68-0x0000000066010000-0x00000000665BB000-memory.dmp

Filesize
5.7MB

Download
memory/1532-70-0x0000000066010000-0x00000000665BB000-memory.dmp

Filesize
5.7MB

Download
memory/1532-69-0x0000000004C40000-0x0000000004F12000-memory.dmp

Filesize
2.8MB

Download
memory/1532-65-0x0000000000000000-mapping.dmp

Download
memory/1732-75-0x000007FEFB871000-0x000007FEFB873000-memory.dmp

Filesize
8KB

Download
memory/1732-74-0x0000000000000000-mapping.dmp

Download
memory/1940-97-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1940-100-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1940-91-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1940-93-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1940-95-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1940-88-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1940-98-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1940-89-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1940-101-0x000000000068A488-mapping.dmp

Download
memory/1940-103-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1940-105-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1940-106-0x00000000000A0000-0x00000000000AA000-memory.dmp

Filesize
40KB

Download
memory/1940-107-0x00000000000A0000-0x00000000000AA000-memory.dmp

Filesize
40KB

Download
memory/1940-108-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1940-109-0x00000000000A0000-0x00000000000AA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads