9fe890f4a1393ef301e24b02ab3c173f230ad7a982808ce6daf130c861422208

General

Target

Docs_caa116070d1f2f48f3a9964e695226cc.6
Sample

190917-77st27qsc2
SHA256

9fe890f4a1393ef301e24b02ab3c173f230ad7a982808ce6daf130c861422208

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
9609	File created	C:\Users\Admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotm	WINWORD.EXE
11578	File created	C:\Users\Admin\AppData\Local\Temp\~$cs_caa116070d1f2f48f3a9964e695226cc.6.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
11468	Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SystemInformation\SystemManufacturer	WINWORD.EXE
11468	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
11468	Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
11468	Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
11468	Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
11468	Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
11468	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
11468	Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
11468	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

13343 PID 3428 wrote to memory of 2924 SppExtComObj.exe SLUI.exe

at	description	process	target process
13343	PID 3428 wrote to memory of 2924	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_caa116070d1f2f48f3a9964e695226cc.6.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:3312

C:\Windows\system32\SppExtComObj.exe
C:\Windows\system32\SppExtComObj.exe -Embedding
1⤵
- Suspicious use of WriteProcessMemory
PID:3428

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:2924

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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