faa80735addb3c128a7e13e53fc703995ef41df93275e9ed3c592615d4ed0050

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
05-07-2023 08:37

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General

Target

K9000457.xls
Size

160KB
MD5

95ec322adb11464f4965658daf6933dc
SHA1

73da6a3cdd8a1f0faff0e077c1a502130dd082a8
SHA256

faa80735addb3c128a7e13e53fc703995ef41df93275e9ed3c592615d4ed0050
SHA512

3632214c8cc2296aa49a9deff854a453cb832ffd4dea4fd88f6af40e01c0b226c8e86ebb8b69d3d318c01f53fd12f68a92f311706d53ab2d3de6d4950d1033e5
SSDEEP

3072:NxYLAYiRUBxm2UDvZSvfjCGnsOCLF+LR22tF0hjUOchulciZmYeUdMBANsPIxDky:HYLAYiRUBxm2UDvZSvfjC0sOCLF+LR2l

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1912 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1912 EXCEL.EXE
1912 EXCEL.EXE

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

EXCEL.EXE

pid	process
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	EXCEL.EXE
1912	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\K9000457.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1912

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/1912-133-0x00007FFD30210000-0x00007FFD30220000-memory.dmp

Filesize
64KB

Download
memory/1912-134-0x00007FFD30210000-0x00007FFD30220000-memory.dmp

Filesize
64KB

Download
memory/1912-135-0x00007FFD30210000-0x00007FFD30220000-memory.dmp

Filesize
64KB

Download
memory/1912-136-0x00007FFD30210000-0x00007FFD30220000-memory.dmp

Filesize
64KB

Download
memory/1912-137-0x00007FFD30210000-0x00007FFD30220000-memory.dmp

Filesize
64KB

Download
memory/1912-138-0x00007FFD2DC70000-0x00007FFD2DC80000-memory.dmp

Filesize
64KB

Download
memory/1912-139-0x00007FFD2DC70000-0x00007FFD2DC80000-memory.dmp

Filesize
64KB

Download
memory/1912-144-0x000001A379BC0000-0x000001A379DC0000-memory.dmp

Filesize
2.0MB

Download
memory/1912-157-0x000001A379BC0000-0x000001A379DC0000-memory.dmp

Filesize
2.0MB

Download