6222d53b7144ccc05d5dda8447155dd26a751c703204864e9a1ca06e36c378dd

Analysis

max time kernel
170s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20220310-en
submitted
24/03/2022, 09:18

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General

Target
Rech 2022.24.03_0950.xls
Size 142KB
Sample220324-k9mprsehf6
SHA256 6222d53b7144ccc05d5dda8447155dd26a751c703204864e9a1ca06e36c378dd
MD5 fa325e5a531c391bba567e004bb1000b
SHA1 0f8f6d93a7bcbb86e80dc593f047782f5ece3d4d
SHA512 8be80d74b98f395e13f3651875f18a7ac10a7f488f98faec9ac7c435c693ba8b9339d9ca17486725d61eed6dfe31f3d86c9b3fccbe1ca9ece76ad1423d5fe424
MD5 SHA1 SHA512

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{0E939AD1-72EB-47FC-AC11-8E2686799D7F}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{A4DA83F0-96EF-4E3D-ADE4-5AD4D2490C40}.catalogItem	svchost.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	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4064	EXCEL.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4064	EXCEL.EXE

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:552

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Rech 2022.24.03_0950.xls"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4064

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4064-134-0x00007FFE04B50000-0x00007FFE04B60000-memory.dmp

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memory/4064-135-0x00007FFE04B50000-0x00007FFE04B60000-memory.dmp

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memory/4064-136-0x00007FFE04B50000-0x00007FFE04B60000-memory.dmp

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memory/4064-137-0x00007FFE04B50000-0x00007FFE04B60000-memory.dmp

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memory/4064-138-0x00007FFE04B50000-0x00007FFE04B60000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads