55877dcac910a55570f923af8c26c830acb51898ecfe5db5f885bac936cf7ec1

Analysis

max time kernel
201s
max time network
207s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 19:29

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General

Target

··/ҩ/ҩԴ---1NEW.xls
Size

17KB
MD5

d17d28966698c33748b6702372a714ad
SHA1

9ff00679b1fff5deb05972228f3fa0ce28fd1984
SHA256

e35bce4e6857894cb13e9a0fd9ea7468ad57520e05727edb985a9a12f6079170
SHA512

e262f80f980b7a797e159369fec4d5d61c4d9df9e6310128d428a598781434a36403b90f42912b643f06373482f3d8cfab7ede7f80a6bac8b0ef3831c2d4b34a
SSDEEP

384:2BB3EgVxLIF8NjtxwrTMxrSYa+bTs2ZdSLtnaUKkvemPAO1k1mewbrLawPWEwf3E:2BB3EgVxLIF8NjtxwrTMxrSYa+bTs2Zy

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

4196 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4196	EXCEL.EXE
4196	EXCEL.EXE
4196	EXCEL.EXE
4196	EXCEL.EXE
4196	EXCEL.EXE
4196	EXCEL.EXE
4196	EXCEL.EXE
4196	EXCEL.EXE
4196	EXCEL.EXE
4196	EXCEL.EXE
4196	EXCEL.EXE
4196	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4196 wrote to memory of 1748	4196	EXCEL.EXE	splwow64.exe
PID 4196 wrote to memory of 1748	4196	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\··\ҩ\ҩԴ---1NEW.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4196

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1748

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4088

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

Replay Monitor

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Downloads

memory/1748-139-0x0000000000000000-mapping.dmp

Download
memory/4196-132-0x00007FFEC6450000-0x00007FFEC6460000-memory.dmp

Filesize
64KB

Download
memory/4196-134-0x00007FFEC6450000-0x00007FFEC6460000-memory.dmp

Filesize
64KB

Download
memory/4196-133-0x00007FFEC6450000-0x00007FFEC6460000-memory.dmp

Filesize
64KB

Download
memory/4196-135-0x00007FFEC6450000-0x00007FFEC6460000-memory.dmp

Filesize
64KB

Download
memory/4196-136-0x00007FFEC6450000-0x00007FFEC6460000-memory.dmp

Filesize
64KB

Download
memory/4196-137-0x00007FFEC40F0000-0x00007FFEC4100000-memory.dmp

Filesize
64KB

Download
memory/4196-138-0x00007FFEC40F0000-0x00007FFEC4100000-memory.dmp

Filesize
64KB

Download