843fad6602a50a9cf09f0d44ad8cf1be1a102ec005d87c9d194b3d166555cf5d

General

Target

Docs_cfb022a24ff5f5e53b3ca65af95cb955.21
Sample

191009-jd8t8z6vwx
SHA256

843fad6602a50a9cf09f0d44ad8cf1be1a102ec005d87c9d194b3d166555cf5d

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
28406	File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm	WINWORD.EXE
28656	File created	C:\Users\Admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm	WINWORD.EXE
38141	File opened for modification	C:\Users\Admin\AppData\Local\Temp\Docs_cfb022a24ff5f5e53b3ca65af95cb955.21.doc	WINWORD.EXE
43078	File created	C:\Users\Admin\AppData\Local\Temp\~$cs_cfb022a24ff5f5e53b3ca65af95cb955.21.doc	WINWORD.EXE

Suspicious use of WriteProcessMemory 1 IoCs

Processes:

SppExtComObj.exe

at description process target process

31406 PID 4024 wrote to memory of 3980 SppExtComObj.exe SLUI.exe

at	description	process	target process
31406	PID 4024 wrote to memory of 3980	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
37484	Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemManufacturer	WINWORD.EXE
37484	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
37484	Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
37484	Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
37484	Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
37484	Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
37484	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
37484	Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
37484	Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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\Docs_cfb022a24ff5f5e53b3ca65af95cb955.21.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:3556

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:4024

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:3980

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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