4f970fe5a0df88373022185d178b21fbb5db754176042f60317e46d5d20a01c0

Analysis

max time kernel
138s
max time network
133s
platform
windows10_x64
resource
win10v200430
submitted
09/07/2020, 09:50

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General

Target
4f970fe5a0df88373022185d178b21fbb5db754176042f60317e46d5d20a01c0.doc
Size 147KB
Sample200709-hjetc5xmk2
SHA256 4f970fe5a0df88373022185d178b21fbb5db754176042f60317e46d5d20a01c0
MD5 7bc2c2949bc0fe5e91f4ab0fbf557f9c
SHA1 d7a8ce829138f409be74498ecd74d3eefe738215
SHA512 c7463c3709989f9ff6fb71061f0a49f5e5e357bd104f18786bad6ea7ab78cfbb1b3b1148178e2fd02f45749db50836ac36531405d1f70526efcd7429ca0a6d66
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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 use of SetWindowsHookEx 19 IoCs

pid	Process
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE
2804	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2804	WINWORD.EXE
2804	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	3000	2804	regsvr32.exe	65

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 3000	2804	WINWORD.EXE	71
PID 2804 wrote to memory of 3000	2804	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

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\4f970fe5a0df88373022185d178b21fbb5db754176042f60317e46d5d20a01c0.doc" /o ""
1⤵
- Enumerates system info in registry
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of WriteProcessMemory
- Checks processor information in registry
PID:2804
- C:\Windows\System32\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" o.tmp
  2⤵
  - Process spawned unexpected child process
  PID:3000

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/2804-0-0x000002E4F9825000-0x000002E4F982E000-memory.dmp

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memory/2804-1-0x000002E4F9825000-0x000002E4F982E000-memory.dmp

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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