577a13b37fa869efdd7b55c2b4adf57862b97dabff23b60f00d21b212cc06d6f

General

Target

Docs_4d7f6c717c10153e88fa16eccc9de81c.12
Sample

190917-6j8xz1qv6e
SHA256

577a13b37fa869efdd7b55c2b4adf57862b97dabff23b60f00d21b212cc06d6f

Score

N/A

Malware Config

Signatures

Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx

Drops Office document 2 IoCs

Processes:

WINWORD.EXE

at	description	ioc	process
6125	File created	C:\Users\Admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm	WINWORD.EXE
7469	File created	C:\Users\Admin\AppData\Local\Temp\~$cs_4d7f6c717c10153e88fa16eccc9de81c.12.docx	WINWORD.EXE

Checks system information in the registry (likely anti-VM) 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

at	description	ioc	process
7328	Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemManufacturer	WINWORD.EXE
7328	Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemProductName	WINWORD.EXE

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

at	description	ioc	process
7328	Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
7328	Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
7328	Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
7328	Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
7328	Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Checks processor information in registry (likely anti-VM) 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

at	description	ioc	process
7328	Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
7328	Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE

Suspicious use of WriteProcessMemory 1 IoCs

Processes:

SppExtComObj.exe

at description process target process

10516 PID 3892 wrote to memory of 3828 SppExtComObj.exe SLUI.exe

at	description	process	target process
10516	PID 3892 wrote to memory of 3828	SppExtComObj.exe	SLUI.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\Docs_4d7f6c717c10153e88fa16eccc9de81c.12.docx" /o ""
1⤵
- Drops Office document
- Checks system information in the registry (likely anti-VM)
- Enumerates system info in registry
- Checks processor information in registry (likely anti-VM)
PID:1676

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:3892

C:\Windows\System32\SLUI.exe
"C:\Windows\System32\SLUI.exe" RuleId=eeba1977-569e-4571-b639-7623d8bfecc0;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=2de67392-b7a7-462a-b1ca-108dd189f588;NotificationInterval=1440;Trigger=TimerEvent
1⤵
PID:3828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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