bd7920ab4830328cb91d1d1f60b93808e318df56daa4b535e0c6e1a03f691e37

General

Target

bd7920ab4830328cb91d1d1f60b93808e318df56daa4b535e0c6e1a03f691e37.doc
Size

2.7MB
MD5

b3e3e01be28b21afa8a5a6058282a35a
SHA1

42651de9242843083d29249301513bf80d15032a
SHA256

bd7920ab4830328cb91d1d1f60b93808e318df56daa4b535e0c6e1a03f691e37
SHA512

9e8b104a6a5805b2627b078fa852388cd5f4c959a3dd20ecb2396a23d625668f9d014d578f11ea59a93a804632d1efc6a288b1144e7eaebdb93a03a9af67a322

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:

mstsc.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	816	1552	mstsc.exe	WINWORD.EXE

Loads dropped DLL 1 IoCs

Processes:

WINWORD.EXE

pid process

1552 WINWORD.EXE
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

pid	process
1552	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 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

1552 WINWORD.EXE
1552 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

1552 WINWORD.EXE
1552 WINWORD.EXE
1552 WINWORD.EXE
1552 WINWORD.EXE
1552 WINWORD.EXE
1552 WINWORD.EXE
1552 WINWORD.EXE
1552 WINWORD.EXE

pid	process
1552	WINWORD.EXE
1552	WINWORD.EXE

pid	process
1552	WINWORD.EXE
1552	WINWORD.EXE
1552	WINWORD.EXE
1552	WINWORD.EXE
1552	WINWORD.EXE
1552	WINWORD.EXE
1552	WINWORD.EXE
1552	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 1552 wrote to memory of 816	1552	WINWORD.EXE	mstsc.exe
PID 1552 wrote to memory of 816	1552	WINWORD.EXE	mstsc.exe
PID 1552 wrote to memory of 816	1552	WINWORD.EXE	mstsc.exe
PID 1552 wrote to memory of 816	1552	WINWORD.EXE	mstsc.exe
PID 1552 wrote to memory of 816	1552	WINWORD.EXE	mstsc.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\bd7920ab4830328cb91d1d1f60b93808e318df56daa4b535e0c6e1a03f691e37.doc" /o ""
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1552

C:\Windows\SYSTEM32\mstsc.exe
mstsc.exe
2⤵
- Process spawned unexpected child process
PID:816

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

Web Service

1

T1102

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\vnp.dll
Filesize
48KB

MD5
9ffe07e7cf5d17ad63ede21cd0dc14cc

SHA1
8b24205d7bf0b16d416fb888cc925874144b3f55

SHA256
61eda78ddb6d83995e145927e0da7a83e0ea0cf783e6c663370c7faae8e10f70

SHA512
e5eb4ef3c88f93b04d0f420c82c7fdca07246ecb3733daaeac34c4b36c09e95c7ec62553228c0baa4af253c4c140c64d5e116ab8d87b4bb443328d25eeafef7c

Download Submit
memory/1552-133-0x00007FFAD3CF0000-0x00007FFAD3D00000-memory.dmp

Filesize
64KB

Download
memory/1552-134-0x00007FFAD3CF0000-0x00007FFAD3D00000-memory.dmp

Filesize
64KB

Download
memory/1552-135-0x00007FFAD3CF0000-0x00007FFAD3D00000-memory.dmp

Filesize
64KB

Download
memory/1552-136-0x00007FFAD3CF0000-0x00007FFAD3D00000-memory.dmp

Filesize
64KB

Download
memory/1552-137-0x00007FFAD3CF0000-0x00007FFAD3D00000-memory.dmp

Filesize
64KB

Download
memory/1552-138-0x00007FFAD14A0000-0x00007FFAD14B0000-memory.dmp

Filesize
64KB

Download
memory/1552-139-0x00007FFAD14A0000-0x00007FFAD14B0000-memory.dmp

Filesize
64KB

Download
memory/1552-142-0x00007FFAD3CF0000-0x00007FFAD3D00000-memory.dmp

Filesize
64KB

Download
memory/1552-143-0x00007FFAD3CF0000-0x00007FFAD3D00000-memory.dmp

Filesize
64KB

Download
memory/1552-144-0x00007FFAD3CF0000-0x00007FFAD3D00000-memory.dmp

Filesize
64KB

Download
memory/1552-145-0x00007FFAD3CF0000-0x00007FFAD3D00000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads