105d9496d4f80ae5ef3c7642f55117b65a10398afe5ff9c30d706fa9873cfd6a

General

Target

sample.doc
Size

97KB
MD5

356a5c57245204778e4987ca33558603
SHA1

295160cddc9a18dc0809c547908e19e4272e01f3
SHA256

105d9496d4f80ae5ef3c7642f55117b65a10398afe5ff9c30d706fa9873cfd6a
SHA512

27b256f8c7c8eeed8b0bca491e92c75541b53c594e5f1e6f63d923eda9748939ae7aedac3e2be592801a36c6ff56fabb6cdd847116f97fff76422092a15d8670

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process	1156	1036	cmd.exe	WINWORD.EXE

Blocklisted process makes network request 2 IoCs

Processes:

WScript.exe

flow pid process

5 628 WScript.exe
7 628 WScript.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

flow	pid	process
5	628	WScript.exe
7	628	WScript.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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1036 WINWORD.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

WINWORD.EXE

pid	process
1036	WINWORD.EXE
1036	WINWORD.EXE
1036	WINWORD.EXE
1036	WINWORD.EXE
1036	WINWORD.EXE
1036	WINWORD.EXE
1036	WINWORD.EXE
1036	WINWORD.EXE
1036	WINWORD.EXE
1036	WINWORD.EXE
1036	WINWORD.EXE
1036	WINWORD.EXE
1036	WINWORD.EXE
1036	WINWORD.EXE
1036	WINWORD.EXE
1036	WINWORD.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

WINWORD.EXEcmd.exe

description	pid	process	target process
PID 1036 wrote to memory of 1156	1036	WINWORD.EXE	cmd.exe
PID 1036 wrote to memory of 1156	1036	WINWORD.EXE	cmd.exe
PID 1036 wrote to memory of 1156	1036	WINWORD.EXE	cmd.exe
PID 1036 wrote to memory of 1156	1036	WINWORD.EXE	cmd.exe
PID 1156 wrote to memory of 628	1156	cmd.exe	WScript.exe
PID 1156 wrote to memory of 628	1156	cmd.exe	WScript.exe
PID 1156 wrote to memory of 628	1156	cmd.exe	WScript.exe
PID 1156 wrote to memory of 628	1156	cmd.exe	WScript.exe
PID 1036 wrote to memory of 1428	1036	WINWORD.EXE	splwow64.exe
PID 1036 wrote to memory of 1428	1036	WINWORD.EXE	splwow64.exe
PID 1036 wrote to memory of 1428	1036	WINWORD.EXE	splwow64.exe
PID 1036 wrote to memory of 1428	1036	WINWORD.EXE	splwow64.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\sample.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1036

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c start C:\Users\Admin\AppData\Local\Temp\rtbdxsdcb.js
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1156

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\rtbdxsdcb.js"
3⤵
- Blocklisted process makes network request
PID:628

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1428

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\rtbdxsdcb.js
MD5
e9f682952083ebba2e284c940777d659

SHA1
149b2c7ebc25d57132df7839ec2ae113c9fe8a01

SHA256
32437763a96d909d6103e0d374050c94f2f30fb7ce122ebb8dd7819146966438

SHA512
bbf170625271706a3789822073fe4cc79f4e7cd49b03ae840bb5acaec4a90c84492a0ad808aeb1d030eabd69b7f5a47411add3cc3db281a451bbfdb003a163c2

Download Submit
memory/628-66-0x0000000000000000-mapping.dmp

Download
memory/1036-59-0x00000000724A1000-0x00000000724A4000-memory.dmp

Filesize
12KB

Download
memory/1036-60-0x000000006FF21000-0x000000006FF23000-memory.dmp

Filesize
8KB

Download
memory/1036-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1036-62-0x0000000075721000-0x0000000075723000-memory.dmp

Filesize
8KB

Download
memory/1156-63-0x0000000000000000-mapping.dmp

Download
memory/1428-67-0x0000000000000000-mapping.dmp

Download
memory/1428-69-0x000007FEFBB41000-0x000007FEFBB43000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads