bdda92c5990ded4fd7ef2c4acfa840c0c94d2d56979b99aa4c6284f33cd9d87c

General

Target
input_07.14.2020.doc
Size 114KB
Sample200715-qctllfh2w6
SHA256 bdda92c5990ded4fd7ef2c4acfa840c0c94d2d56979b99aa4c6284f33cd9d87c
MD5 56781aaf302e5efb3b655384215daabb
SHA1 3917c7f5b526eca00087f051b452c7dda60550fa
SHA512 ba3b1d703e314ff11e496a268f71b08348b179f35c274847136375afb04df2fc97d9ac2591b41b8919f999228d41dc78781bb411005d780f28adaf931f94743f
MD5 SHA1 SHA512

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	3516	3576	regsvr32.exe	65

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 3516	3576	WINWORD.EXE	74
PID 3576 wrote to memory of 3516	3576	WINWORD.EXE	74
PID 3516 wrote to memory of 3676	3516	regsvr32.exe	75
PID 3516 wrote to memory of 3676	3516	regsvr32.exe	75
PID 3516 wrote to memory of 3676	3516	regsvr32.exe	75

Loads dropped DLL 1 IoCs

pid	Process
3676	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3676	regsvr32.exe
3676	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

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

Suspicious use of SetWindowsHookEx 20 IoCs

pid	Process
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE
3576	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
3576	WINWORD.EXE
3576	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\input_07.14.2020.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:3576
- C:\Windows\SYSTEM32\regsvr32.exe
  regsvr32 FZ.tmp
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:3516
- - C:\Windows\SysWOW64\regsvr32.exe
    FZ.tmp
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:3676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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