025d824f7fd062715efe4914065eb6026a0f1720256f03e18c652978ec9d6844

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2022 15:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bergo.document.08.11.2022.docm
Size

2.2MB
MD5

228c063e5ce747dd51ffbbdf31dcc1f9
SHA1

e13b37423003ebf1aacc898435607dc471ae0bd6
SHA256

025d824f7fd062715efe4914065eb6026a0f1720256f03e18c652978ec9d6844
SHA512

0f6c3c0f467c1d6f6b8915fd93a9034ea87bddc4b95225c444cd48f2f735f2e09b379febf2951b7ce76ceee9f61191f61bcf6c299d28f974825e6e425ee2159a

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:

WerFault.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	2368	4276	WerFault.exe	WINWORD.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2368 4276 WerFault.exe WINWORD.EXE

pid	pid_target	process	target process
2368	4276	WerFault.exe	WINWORD.EXE

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4276 WINWORD.EXE
4276 WINWORD.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXE

pid process

4276 WINWORD.EXE
4276 WINWORD.EXE
4276 WINWORD.EXE
4276 WINWORD.EXE

pid	process
4276	WINWORD.EXE
4276	WINWORD.EXE

pid	process
4276	WINWORD.EXE
4276	WINWORD.EXE
4276	WINWORD.EXE
4276	WINWORD.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\bergo.document.08.11.2022.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4276

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4276 -s 4396
2⤵
- Process spawned unexpected child process
- Program crash
PID:2368

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 472 -p 4276 -ip 4276
1⤵
PID:4088

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

Loading Replay Monitor...

Downloads

memory/4276-130-0x00007FFC4A530000-0x00007FFC4A540000-memory.dmp

Filesize
64KB

Download
memory/4276-131-0x00007FFC4A530000-0x00007FFC4A540000-memory.dmp

Filesize
64KB

Download
memory/4276-132-0x00007FFC4A530000-0x00007FFC4A540000-memory.dmp

Filesize
64KB

Download
memory/4276-133-0x00007FFC4A530000-0x00007FFC4A540000-memory.dmp

Filesize
64KB

Download
memory/4276-134-0x00007FFC4A530000-0x00007FFC4A540000-memory.dmp

Filesize
64KB

Download
memory/4276-135-0x00007FFC484D0000-0x00007FFC484E0000-memory.dmp

Filesize
64KB

Download
memory/4276-136-0x00007FFC484D0000-0x00007FFC484E0000-memory.dmp

Filesize
64KB

Download
memory/4276-137-0x00000203329ED000-0x0000020332BD0000-memory.dmp

Filesize
1.9MB

Download
memory/4276-138-0x0000020330490000-0x0000020330586000-memory.dmp

Filesize
984KB

Download