d6d0a7bc05f52ec17b71e8458faf7946edfee0a81c567930be9ffcb118a85fa6

Analysis

max time kernel
101s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 02:27

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General

Target

d6d0a7bc05f52ec17b71e8458faf7946edfee0a81c567930be9ffcb118a85fa6.xlsx
Size

30KB
MD5

194db6b76b886d825d963dc2ca6709f6
SHA1

818504968e21e5a1b5aa69e91d2439b34930e6c4
SHA256

d6d0a7bc05f52ec17b71e8458faf7946edfee0a81c567930be9ffcb118a85fa6
SHA512

fbc2fc82ec8e6fbefe20272b582bfe979f1147960afa5ee69eb28f2a374e0c5cce92488fc561bd560b17675fdef9a5e1a873136fce8b1a8cb46169328b2554ff
SSDEEP

768:J4BPTfpn7GXy6dMR90KVIKiDx1oprYHz4QwSzWi4reh0cAYbbg:J8rp7GXHKR9VPLmz4QwcWi4yCXYw

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

3388 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3388 EXCEL.EXE
3388 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

3388 EXCEL.EXE
3388 EXCEL.EXE
3388 EXCEL.EXE
3388 EXCEL.EXE
3388 EXCEL.EXE
3388 EXCEL.EXE
3388 EXCEL.EXE
3388 EXCEL.EXE

pid	process
3388	EXCEL.EXE

pid	process
3388	EXCEL.EXE
3388	EXCEL.EXE

pid	process
3388	EXCEL.EXE
3388	EXCEL.EXE
3388	EXCEL.EXE
3388	EXCEL.EXE
3388	EXCEL.EXE
3388	EXCEL.EXE
3388	EXCEL.EXE
3388	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 3388 wrote to memory of 4156	3388	EXCEL.EXE	splwow64.exe
PID 3388 wrote to memory of 4156	3388	EXCEL.EXE	splwow64.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\d6d0a7bc05f52ec17b71e8458faf7946edfee0a81c567930be9ffcb118a85fa6.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3388

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:4156

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:3316

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3388-0-0x00007FFDAD8F0000-0x00007FFDAD900000-memory.dmp

Filesize
64KB

Download
memory/3388-1-0x00007FFDED90D000-0x00007FFDED90E000-memory.dmp

Filesize
4KB

Download
memory/3388-3-0x00007FFDAD8F0000-0x00007FFDAD900000-memory.dmp

Filesize
64KB

Download
memory/3388-2-0x00007FFDAD8F0000-0x00007FFDAD900000-memory.dmp

Filesize
64KB

Download
memory/3388-6-0x00007FFDED870000-0x00007FFDEDA65000-memory.dmp

Filesize
2.0MB

Download
memory/3388-8-0x00007FFDED870000-0x00007FFDEDA65000-memory.dmp

Filesize
2.0MB

Download
memory/3388-7-0x00007FFDED870000-0x00007FFDEDA65000-memory.dmp

Filesize
2.0MB

Download
memory/3388-9-0x00007FFDAB7A0000-0x00007FFDAB7B0000-memory.dmp

Filesize
64KB

Download
memory/3388-5-0x00007FFDAD8F0000-0x00007FFDAD900000-memory.dmp

Filesize
64KB

Download
memory/3388-4-0x00007FFDAD8F0000-0x00007FFDAD900000-memory.dmp

Filesize
64KB

Download
memory/3388-12-0x00007FFDAB7A0000-0x00007FFDAB7B0000-memory.dmp

Filesize
64KB

Download
memory/3388-11-0x00007FFDED870000-0x00007FFDEDA65000-memory.dmp

Filesize
2.0MB

Download
memory/3388-13-0x00007FFDED870000-0x00007FFDEDA65000-memory.dmp

Filesize
2.0MB

Download
memory/3388-10-0x00007FFDED870000-0x00007FFDEDA65000-memory.dmp

Filesize
2.0MB

Download
memory/3388-15-0x00007FFDED870000-0x00007FFDEDA65000-memory.dmp

Filesize
2.0MB

Download
memory/3388-14-0x00007FFDED870000-0x00007FFDEDA65000-memory.dmp

Filesize
2.0MB

Download
memory/3388-17-0x00007FFDED870000-0x00007FFDEDA65000-memory.dmp

Filesize
2.0MB

Download
memory/3388-16-0x00007FFDED870000-0x00007FFDEDA65000-memory.dmp

Filesize
2.0MB

Download
memory/3388-35-0x00007FFDED870000-0x00007FFDEDA65000-memory.dmp

Filesize
2.0MB

Download
memory/3388-36-0x00007FFDED90D000-0x00007FFDED90E000-memory.dmp

Filesize
4KB

Download
memory/3388-37-0x00007FFDED870000-0x00007FFDEDA65000-memory.dmp

Filesize
2.0MB

Download
memory/3388-55-0x00007FFDAD8F0000-0x00007FFDAD900000-memory.dmp

Filesize
64KB

Download
memory/3388-56-0x00007FFDAD8F0000-0x00007FFDAD900000-memory.dmp

Filesize
64KB

Download
memory/3388-58-0x00007FFDAD8F0000-0x00007FFDAD900000-memory.dmp

Filesize
64KB

Download
memory/3388-57-0x00007FFDAD8F0000-0x00007FFDAD900000-memory.dmp

Filesize
64KB

Download
memory/3388-59-0x00007FFDED870000-0x00007FFDEDA65000-memory.dmp

Filesize
2.0MB

Download