7541e2facb347f38265a7894552e6731d653b5a19fe5482038c43a97a9f4e6b9

Analysis

max time kernel
137s
max time network
131s
platform
windows10_x64
resource
win10v200430
submitted
09-07-2020 10:43

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General

Target

7541e2facb347f38265a7894552e6731d653b5a19fe5482038c43a97a9f4e6b9.doc
Size

147KB
MD5

8dfbf4b7db4e5d61109abe11c97ad66f
SHA1

901c606ce1681857c5452853ec56eac651d5d724
SHA256

7541e2facb347f38265a7894552e6731d653b5a19fe5482038c43a97a9f4e6b9
SHA512

e5fcc3a5d9652ef829aff1e393249310a221376641c9a8309dd3e006e6860cb18f1297fd23cc96b90a940d72fc6d2d71ad6a581af3498b5a9754ae8f08e2d1c2

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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	4052	1600	regsvr32.exe	67

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 4052	1600	WINWORD.EXE	71
PID 1600 wrote to memory of 4052	1600	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 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	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

Suspicious use of SetWindowsHookEx 19 IoCs

pid	Process
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE
1600	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
1600	WINWORD.EXE
1600	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\7541e2facb347f38265a7894552e6731d653b5a19fe5482038c43a97a9f4e6b9.doc" /o ""
1⤵
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
PID:1600
- C:\Windows\System32\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" U.tmp
  2⤵
  - Process spawned unexpected child process
  PID:4052

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/1600-0-0x000001AA8B062000-0x000001AA8B091000-memory.dmp

Filesize
188KB

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memory/1600-1-0x000001AA8B062000-0x000001AA8B091000-memory.dmp

Filesize
188KB

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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