38ae577459ca9c000a1a5ae910e9b1768480a97aba71835caaa48ffdddc7622d

Analysis

max time kernel
101s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
12-05-2022 06:57

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General

Target

decrypted.xlsx
Size

177KB
MD5

aa4955a1f9f886e93ee58db40340f6df
SHA1

617e147e2b7b552c98d32f55407f838b34c84f92
SHA256

8ff5e67aced69f849f9fa21e6c63085aa2882a77280ffae6eacd300ab3b0ba94
SHA512

ea229f2c51a700a6372d7e3b341cf654769c448d56748edd4dbf330c464c819e465be08744d2addcdcbc509967a03df9e60c2f9e0bf2e4a9ec9297402c20f046

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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

1092 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1092	EXCEL.EXE
1092	EXCEL.EXE
1092	EXCEL.EXE
1092	EXCEL.EXE
1092	EXCEL.EXE
1092	EXCEL.EXE
1092	EXCEL.EXE
1092	EXCEL.EXE
1092	EXCEL.EXE
1092	EXCEL.EXE
1092	EXCEL.EXE
1092	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\decrypted.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1092

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/1092-130-0x00007FFDE7030000-0x00007FFDE7040000-memory.dmp

Filesize
64KB

Download
memory/1092-131-0x00007FFDE7030000-0x00007FFDE7040000-memory.dmp

Filesize
64KB

Download
memory/1092-132-0x00007FFDE7030000-0x00007FFDE7040000-memory.dmp

Filesize
64KB

Download
memory/1092-133-0x00007FFDE7030000-0x00007FFDE7040000-memory.dmp

Filesize
64KB

Download
memory/1092-134-0x00007FFDE7030000-0x00007FFDE7040000-memory.dmp

Filesize
64KB

Download
memory/1092-135-0x00007FFDE4FD0000-0x00007FFDE4FE0000-memory.dmp

Filesize
64KB

Download
memory/1092-136-0x00007FFDE4FD0000-0x00007FFDE4FE0000-memory.dmp

Filesize
64KB

Download
memory/1092-138-0x00007FFDE7030000-0x00007FFDE7040000-memory.dmp

Filesize
64KB

Download
memory/1092-139-0x00007FFDE7030000-0x00007FFDE7040000-memory.dmp

Filesize
64KB

Download
memory/1092-140-0x00007FFDE7030000-0x00007FFDE7040000-memory.dmp

Filesize
64KB

Download
memory/1092-141-0x00007FFDE7030000-0x00007FFDE7040000-memory.dmp

Filesize
64KB

Download