51de13d18a23740342f1c681de4cb6c2baf116f2a4df4730c5338439d05823e4

General

Target

Docs_34df7390e3fba4cc8b8de327c79c3741.3
Sample

191010-j1ayh7x2f6
SHA256

51de13d18a23740342f1c681de4cb6c2baf116f2a4df4730c5338439d05823e4

Score

N/A

Malware Config

Signatures

Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx

Drops Office document 4 IoCs

Processes:

WINWORD.EXE

at	description	ioc	process
25328	File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm	WINWORD.EXE
25688	File created	C:\Users\Admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm	WINWORD.EXE
38875	File opened for modification	C:\Users\Admin\AppData\Local\Temp\Docs_34df7390e3fba4cc8b8de327c79c3741.3.doc	WINWORD.EXE
40094	File created	C:\Users\Admin\AppData\Local\Temp\~$cs_34df7390e3fba4cc8b8de327c79c3741.3.doc	WINWORD.EXE

Suspicious use of WriteProcessMemory 1 IoCs

Processes:

SppExtComObj.exe

at description process target process

26922 PID 3924 wrote to memory of 4012 SppExtComObj.exe SLUI.exe

at	description	process	target process
26922	PID 3924 wrote to memory of 4012	SppExtComObj.exe	SLUI.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
38610	Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemManufacturer	WINWORD.EXE
38610	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
38610	Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
38610	Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
38610	Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
38610	Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
38610	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
38610	Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
38610	Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE

Suspicious use of FindShellTrayWindow

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_34df7390e3fba4cc8b8de327c79c3741.3.doc" /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:1444

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:3924

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:4012

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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