47cae2f88638137023618f35138504964f5bb45d2d47e8e8a63af6362605f130

Analysis

max time kernel
137s
max time network
137s
platform
windows10_x64
resource
win10v200430
submitted
09/07/2020, 10:44

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General

Target

47cae2f88638137023618f35138504964f5bb45d2d47e8e8a63af6362605f130.doc
Size

147KB
MD5

1ba37d065e4cad9c85808d23e4b52975
SHA1

1e8f592db3fed8be64050090b41d1f8b99f347b6
SHA256

47cae2f88638137023618f35138504964f5bb45d2d47e8e8a63af6362605f130
SHA512

3d25d29c8b75f63a2730c0feae4c8a640d0feba19e6ab2079cf5b3ce8f6c9a73845f7475f5141b857f9e94dffcdb923537e91ee20cdf917f444f0160b93cbd52

Score

10^/10

Malware Config

Signatures

Suspicious use of SetWindowsHookEx 19 IoCs

pid	Process
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE
2540	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2540	WINWORD.EXE
2540	WINWORD.EXE

Process spawned unexpected child process 1 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	1628	2540	regsvr32.exe	67

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 1628	2540	WINWORD.EXE	71
PID 2540 wrote to memory of 1628	2540	WINWORD.EXE	71

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

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

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\47cae2f88638137023618f35138504964f5bb45d2d47e8e8a63af6362605f130.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:2540
- C:\Windows\System32\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" o.tmp
  2⤵
  - Process spawned unexpected child process
  PID:1628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2540-0-0x0000024B869FC000-0x0000024B86A01000-memory.dmp

Filesize
20KB

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memory/2540-1-0x0000024B869FC000-0x0000024B86A01000-memory.dmp

Filesize
20KB

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memory/2540-2-0x0000024B869FC000-0x0000024B86A01000-memory.dmp

Filesize
20KB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads