asyncrat | 30fb07f3d0ff5583e496de2b238d75ef42ced2f66d9f9459e3f26ee87c5d85ce

General

Target

Pratka Econt 5300133634052.rtf
Size

11KB
MD5

c13fb5c2889ecf291ba719fa5e598a8d
SHA1

df34705ab05381172150afa03f04ca090427f7f5
SHA256

30fb07f3d0ff5583e496de2b238d75ef42ced2f66d9f9459e3f26ee87c5d85ce
SHA512

7ce06e898ff9b77fbb7988266a81b88e899d4ab568c22bce47d2765a3207e82c6e8db8dd3db1f5aecbc5eb9497b9b4b246ae2cc07749f931a353976245414df0

Score

10^/10

asyncrat 1 persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

1

C2

212.193.30.54:8755

Mutex

gyQ12!.,=FD7trew

Attributes

anti_vm
false
bsod
false
delay
3
install
false
install_folder
%AppData%
pastebin_config
null

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1520-76-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1520-77-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1520-78-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1520-79-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

5 1804 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

tlj.exe

pid process

1920 tlj.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

1804 EQNEDT32.EXE
1804 EQNEDT32.EXE
1804 EQNEDT32.EXE
1804 EQNEDT32.EXE

flow	pid	process
5	1804	EQNEDT32.EXE

pid	process
1920	tlj.exe

pid	process
1804	EQNEDT32.EXE
1804	EQNEDT32.EXE
1804	EQNEDT32.EXE
1804	EQNEDT32.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tlj.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Windows\CurrentVersion\Run\Xczxwi = "\"C:\\Users\\Admin\\AppData\\Roaming\\Xhaslxdcw\\Xczxwi.exe\""	tlj.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

tlj.exe

description pid process target process

PID 1920 set thread context of 1520 1920 tlj.exe MSBuild.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
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

592 timeout.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

1804 EQNEDT32.EXE

description	pid	process	target process
PID 1920 set thread context of 1520	1920	tlj.exe	MSBuild.exe

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

pid	process
592	timeout.exe

pid	process
1804	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	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 HTML Editor	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	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
Set value (str)	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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\command	WINWORD.EXE
Key deleted	\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\shell\edit	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\shell	WINWORD.EXE
Key created	\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
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
Set value (str)	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1040 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tlj.exe

pid process

1920 tlj.exe
1920 tlj.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tlj.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 1920 tlj.exe
Token: SeDebugPrivilege 1520 MSBuild.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1040 WINWORD.EXE
1040 WINWORD.EXE

pid	process
1040	WINWORD.EXE

pid	process
1920	tlj.exe
1920	tlj.exe

description	pid	process
Token: SeDebugPrivilege	1920	tlj.exe
Token: SeDebugPrivilege	1520	MSBuild.exe

pid	process
1040	WINWORD.EXE
1040	WINWORD.EXE

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

EQNEDT32.EXEtlj.execmd.exeWINWORD.EXE

description	pid	process	target process
PID 1804 wrote to memory of 1920	1804	EQNEDT32.EXE	tlj.exe
PID 1804 wrote to memory of 1920	1804	EQNEDT32.EXE	tlj.exe
PID 1804 wrote to memory of 1920	1804	EQNEDT32.EXE	tlj.exe
PID 1804 wrote to memory of 1920	1804	EQNEDT32.EXE	tlj.exe
PID 1920 wrote to memory of 1572	1920	tlj.exe	cmd.exe
PID 1920 wrote to memory of 1572	1920	tlj.exe	cmd.exe
PID 1920 wrote to memory of 1572	1920	tlj.exe	cmd.exe
PID 1920 wrote to memory of 1572	1920	tlj.exe	cmd.exe
PID 1572 wrote to memory of 592	1572	cmd.exe	timeout.exe
PID 1572 wrote to memory of 592	1572	cmd.exe	timeout.exe
PID 1572 wrote to memory of 592	1572	cmd.exe	timeout.exe
PID 1572 wrote to memory of 592	1572	cmd.exe	timeout.exe
PID 1040 wrote to memory of 1420	1040	WINWORD.EXE	splwow64.exe
PID 1040 wrote to memory of 1420	1040	WINWORD.EXE	splwow64.exe
PID 1040 wrote to memory of 1420	1040	WINWORD.EXE	splwow64.exe
PID 1040 wrote to memory of 1420	1040	WINWORD.EXE	splwow64.exe
PID 1920 wrote to memory of 1520	1920	tlj.exe	MSBuild.exe
PID 1920 wrote to memory of 1520	1920	tlj.exe	MSBuild.exe
PID 1920 wrote to memory of 1520	1920	tlj.exe	MSBuild.exe
PID 1920 wrote to memory of 1520	1920	tlj.exe	MSBuild.exe
PID 1920 wrote to memory of 1520	1920	tlj.exe	MSBuild.exe
PID 1920 wrote to memory of 1520	1920	tlj.exe	MSBuild.exe
PID 1920 wrote to memory of 1520	1920	tlj.exe	MSBuild.exe
PID 1920 wrote to memory of 1520	1920	tlj.exe	MSBuild.exe
PID 1920 wrote to memory of 1520	1920	tlj.exe	MSBuild.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\Pratka Econt 5300133634052.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:1040

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1420

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:1804

C:\Users\Admin\AppData\Roaming\tlj.exe
"C:\Users\Admin\AppData\Roaming\tlj.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1920

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 20
3⤵
- Suspicious use of WriteProcessMemory
PID:1572

C:\Windows\SysWOW64\timeout.exe
timeout 20
4⤵
- Delays execution with timeout.exe
PID:592

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1520

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\tlj.exe
MD5
db73de377b65213640e910db6f18f33f

SHA1
b5d30bcb05b536b7736be7c49502a39c24281f82

SHA256
ddb0822b3ff456aa4d91bf7356b01193a63b0e333d1a4c281e7b7c18733b8fd8

SHA512
51a6535256262071ea520cceba1c84c395b23cb630b5c97f881205c6bec34bd4b3e06ff2ec3d80932d3194b22f63fc84b08e22adaa7f6639661e7643a9950c05

Download Submit
C:\Users\Admin\AppData\Roaming\tlj.exe
MD5
db73de377b65213640e910db6f18f33f

SHA1
b5d30bcb05b536b7736be7c49502a39c24281f82

SHA256
ddb0822b3ff456aa4d91bf7356b01193a63b0e333d1a4c281e7b7c18733b8fd8

SHA512
51a6535256262071ea520cceba1c84c395b23cb630b5c97f881205c6bec34bd4b3e06ff2ec3d80932d3194b22f63fc84b08e22adaa7f6639661e7643a9950c05

Download Submit
\Users\Admin\AppData\Roaming\tlj.exe
MD5
db73de377b65213640e910db6f18f33f

SHA1
b5d30bcb05b536b7736be7c49502a39c24281f82

SHA256
ddb0822b3ff456aa4d91bf7356b01193a63b0e333d1a4c281e7b7c18733b8fd8

SHA512
51a6535256262071ea520cceba1c84c395b23cb630b5c97f881205c6bec34bd4b3e06ff2ec3d80932d3194b22f63fc84b08e22adaa7f6639661e7643a9950c05

Download Submit
\Users\Admin\AppData\Roaming\tlj.exe
MD5
db73de377b65213640e910db6f18f33f

SHA1
b5d30bcb05b536b7736be7c49502a39c24281f82

SHA256
ddb0822b3ff456aa4d91bf7356b01193a63b0e333d1a4c281e7b7c18733b8fd8

SHA512
51a6535256262071ea520cceba1c84c395b23cb630b5c97f881205c6bec34bd4b3e06ff2ec3d80932d3194b22f63fc84b08e22adaa7f6639661e7643a9950c05

Download Submit
\Users\Admin\AppData\Roaming\tlj.exe
MD5
db73de377b65213640e910db6f18f33f

SHA1
b5d30bcb05b536b7736be7c49502a39c24281f82

SHA256
ddb0822b3ff456aa4d91bf7356b01193a63b0e333d1a4c281e7b7c18733b8fd8

SHA512
51a6535256262071ea520cceba1c84c395b23cb630b5c97f881205c6bec34bd4b3e06ff2ec3d80932d3194b22f63fc84b08e22adaa7f6639661e7643a9950c05

Download Submit
\Users\Admin\AppData\Roaming\tlj.exe
MD5
db73de377b65213640e910db6f18f33f

SHA1
b5d30bcb05b536b7736be7c49502a39c24281f82

SHA256
ddb0822b3ff456aa4d91bf7356b01193a63b0e333d1a4c281e7b7c18733b8fd8

SHA512
51a6535256262071ea520cceba1c84c395b23cb630b5c97f881205c6bec34bd4b3e06ff2ec3d80932d3194b22f63fc84b08e22adaa7f6639661e7643a9950c05

Download Submit
memory/1040-59-0x0000000070B0D000-0x0000000070B18000-memory.dmp

Filesize
44KB

Download
memory/1040-58-0x0000000074E61000-0x0000000074E63000-memory.dmp

Filesize
8KB

Download
memory/1040-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1040-56-0x000000002F331000-0x000000002F332000-memory.dmp

Filesize
4KB

Download
memory/1040-55-0x000000006FB21000-0x000000006FB23000-memory.dmp

Filesize
8KB

Download
memory/1040-83-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1040-54-0x00000000720A1000-0x00000000720A4000-memory.dmp

Filesize
12KB

Download
memory/1420-70-0x000007FEFB5B1000-0x000007FEFB5B3000-memory.dmp

Filesize
8KB

Download
memory/1520-75-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1520-76-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1520-74-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1520-77-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1520-78-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1520-79-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1520-80-0x000000006ACEE000-0x000000006ACEF000-memory.dmp

Filesize
4KB

Download
memory/1520-82-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/1920-71-0x0000000004A60000-0x0000000004AFE000-memory.dmp

Filesize
632KB

Download
memory/1920-72-0x0000000004C20000-0x0000000004C21000-memory.dmp

Filesize
4KB

Download
memory/1920-73-0x0000000000980000-0x00000000009CC000-memory.dmp

Filesize
304KB

Download
memory/1920-69-0x000000006ACEE000-0x000000006ACEF000-memory.dmp

Filesize
4KB

Download
memory/1920-67-0x0000000000180000-0x000000000022E000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads