4d0e73e1fa9440b0fdbb6b73901fd8ecc618600b2cfe4a07cfb8f6696a1199e0

Analysis

max time kernel
104s
max time network
138s
platform
windows10_x64
resource
win10-en-20211014
submitted
19-10-2021 14:44

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General

Target

New PO.xlsx
Size

369KB
MD5

e883ef4023d37cee1dfb1f9931d2fe37
SHA1

bc0810d04f38a3dd153c5d9faaec63f93f85ddd2
SHA256

4d0e73e1fa9440b0fdbb6b73901fd8ecc618600b2cfe4a07cfb8f6696a1199e0
SHA512

7e85bb566f5c86bc0b6c7b506ea75fc54e33cdecb02faad5a7c3218053c63cb8de2326e99dcc1e4a21980d385e55dcb582e13ccb004dcf61151835759e67154c

Score

1^/10

Malware Config

Signatures

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

Processes:

EXCEL.EXE

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1336 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1336	EXCEL.EXE
1336	EXCEL.EXE
1336	EXCEL.EXE
1336	EXCEL.EXE
1336	EXCEL.EXE
1336	EXCEL.EXE
1336	EXCEL.EXE
1336	EXCEL.EXE
1336	EXCEL.EXE
1336	EXCEL.EXE
1336	EXCEL.EXE
1336	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\New PO.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1336

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1336-115-0x00007FFCA8250000-0x00007FFCA8260000-memory.dmp

Filesize
64KB

Download
memory/1336-116-0x00007FFCA8250000-0x00007FFCA8260000-memory.dmp

Filesize
64KB

Download
memory/1336-117-0x00007FFCA8250000-0x00007FFCA8260000-memory.dmp

Filesize
64KB

Download
memory/1336-118-0x00007FFCA8250000-0x00007FFCA8260000-memory.dmp

Filesize
64KB

Download
memory/1336-120-0x000001ADB5CE0000-0x000001ADB5CE2000-memory.dmp

Filesize
8KB

Download
memory/1336-119-0x000001ADB5CE0000-0x000001ADB5CE2000-memory.dmp

Filesize
8KB

Download
memory/1336-121-0x00007FFCA8250000-0x00007FFCA8260000-memory.dmp

Filesize
64KB

Download
memory/1336-122-0x000001ADB5CE0000-0x000001ADB5CE2000-memory.dmp

Filesize
8KB

Download