c8edb29a5a9c93f49cbf1d31863330594421c7146082812c4bb0ad01a9088418

Analysis

max time kernel
204s
max time network
211s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 17:10

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General

Target

c8edb29a5a9c93f49cbf1d31863330594421c7146082812c4bb0ad01a9088418.docm
Size

15KB
MD5

b7dd6ccbbdf8b00433bd5b33239db913
SHA1

5090e3f405956a5395121b2c3678f2283103f290
SHA256

c8edb29a5a9c93f49cbf1d31863330594421c7146082812c4bb0ad01a9088418
SHA512

93993a5642df340866ad720bff571f5ab46433491c698e5021912b515daa51ebf6bc414597e645d44704e69b09a833275c4c33261afee39f4fc63dd9b8134d1f
SSDEEP

384:/imtzvdh2qTEmn0i13Ln4uRFX6Ujnw+3VqEkzB:/LS9cv13L1RAH+3Vqt

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://the.earth.li/~sgtatham/putty/latest/w32/putty.exe

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

WerFault.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4296	4880	WerFault.exe	EXCEL.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4296 4880 WerFault.exe EXCEL.EXE

pid	pid_target	process	target process
4296	4880	WerFault.exe	EXCEL.EXE

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXEWINWORD.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 6 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXEWINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3432 WINWORD.EXE
3432 WINWORD.EXE
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

WINWORD.EXEEXCEL.EXE

pid process

3432 WINWORD.EXE
3432 WINWORD.EXE
3432 WINWORD.EXE
3432 WINWORD.EXE
4880 EXCEL.EXE
4880 EXCEL.EXE
4880 EXCEL.EXE
4880 EXCEL.EXE
4880 EXCEL.EXE

pid	process
3432	WINWORD.EXE
3432	WINWORD.EXE

pid	process
3432	WINWORD.EXE
3432	WINWORD.EXE
3432	WINWORD.EXE
3432	WINWORD.EXE
4880	EXCEL.EXE
4880	EXCEL.EXE
4880	EXCEL.EXE
4880	EXCEL.EXE
4880	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\c8edb29a5a9c93f49cbf1d31863330594421c7146082812c4bb0ad01a9088418.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3432

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
PID:4880

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4880 -s 3740
2⤵
- Process spawned unexpected child process
- Program crash
PID:4296

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 408 -p 4880 -ip 4880
1⤵
PID:1800

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3432-132-0x00007FFBF2B50000-0x00007FFBF2B60000-memory.dmp

Filesize
64KB

Download
memory/3432-133-0x00007FFBF2B50000-0x00007FFBF2B60000-memory.dmp

Filesize
64KB

Download
memory/3432-134-0x00007FFBF2B50000-0x00007FFBF2B60000-memory.dmp

Filesize
64KB

Download
memory/3432-135-0x00007FFBF2B50000-0x00007FFBF2B60000-memory.dmp

Filesize
64KB

Download
memory/3432-136-0x00007FFBF2B50000-0x00007FFBF2B60000-memory.dmp

Filesize
64KB

Download
memory/3432-137-0x00007FFBF0290000-0x00007FFBF02A0000-memory.dmp

Filesize
64KB

Download
memory/3432-138-0x00007FFBF0290000-0x00007FFBF02A0000-memory.dmp

Filesize
64KB

Download