f7c5c10cee118eddd6c5a20c5a095032324fcb0bd368d7b7015f6646d8b5d411

General

Target

file.doc
Size

73KB
MD5

03da3c149defc051b11005c86bcbe599
SHA1

f95da4f19e6a289a4719415d24f1d32275761a33
SHA256

f7c5c10cee118eddd6c5a20c5a095032324fcb0bd368d7b7015f6646d8b5d411
SHA512

2d09399255220372db0e0497f0f0c0957ce5211bbe079b5999caa6a49046086461784f685811728050b992d3c7af9b7a5c9f4069c7f20828a9e38a2136d80db4

Score

10^/10

Malware Config

Signatures

Suspicious use of SetWindowsHookEx 19 IoCs

Processes:

WINWORD.EXE

pid	process
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE
3656	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3656 WINWORD.EXE
3656 WINWORD.EXE

Process spawned unexpected child process 1 IoCs

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

Processes:

Regsvr32.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	3952	3656	Regsvr32.exe	WINWORD.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

WINWORD.EXERegsvr32.exeregsvr32.exe

description	pid	process	target process
PID 3656 wrote to memory of 3952	3656	WINWORD.EXE	Regsvr32.exe
PID 3656 wrote to memory of 3952	3656	WINWORD.EXE	Regsvr32.exe
PID 3952 wrote to memory of 3008	3952	Regsvr32.exe	regsvr32.exe
PID 3952 wrote to memory of 3008	3952	Regsvr32.exe	regsvr32.exe
PID 3952 wrote to memory of 3008	3952	Regsvr32.exe	regsvr32.exe
PID 3008 wrote to memory of 1924	3008	regsvr32.exe	wscript.exe
PID 3008 wrote to memory of 1924	3008	regsvr32.exe	wscript.exe
PID 3008 wrote to memory of 1924	3008	regsvr32.exe	wscript.exe

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

3008 regsvr32.exe

pid	process
3008	regsvr32.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 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

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\file.doc" /o ""
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
- Enumerates system info in registry
PID:3656

C:\Windows\SYSTEM32\Regsvr32.exe
Regsvr32 c:\programdata\71061557.dat
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3952

C:\Windows\SysWOW64\regsvr32.exe
c:\programdata\71061557.dat
3⤵
- Suspicious use of WriteProcessMemory
- Loads dropped DLL
PID:3008

C:\Windows\SysWOW64\wscript.exe
wscript.exe //E:jscript "C:\Users\Public\xSsGKcUqL.vA_YV
4⤵
PID:1924

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:3828

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\xSsGKcUqL.vA_YV

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\??\c:\programdata\71061557.dat

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\ProgramData\71061557.dat

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memory/3656-0-0x000002241E986000-0x000002241E991000-memory.dmp

Filesize
44KB

Download
memory/3656-1-0x000002242B4C8000-0x000002242B4CD000-memory.dmp

Filesize
20KB

Download
memory/3656-2-0x000002242B4C3000-0x000002242B4C8000-memory.dmp

Filesize
20KB

Download
memory/3656-3-0x000002242B4C8000-0x000002242B4CD000-memory.dmp

Filesize
20KB

Download
memory/3656-4-0x000002242B4C3000-0x000002242B4C8000-memory.dmp

Filesize
20KB

Download
memory/3656-5-0x000002242B4C8000-0x000002242B4CD000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads