55877dcac910a55570f923af8c26c830acb51898ecfe5db5f885bac936cf7ec1

Analysis

max time kernel
107s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 19:29

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General

Target

··/ǿ/��.xls
Size

17KB
MD5

6caceaa2ac2d20707c34a9e47dd54640
SHA1

3f7d182c188e35afed97f52ea6a9d3d6ab890682
SHA256

2f3b60cf41641e12e03a38676cabb313131ba45fc859e68ea5b93d1b2bbdf1c0
SHA512

a4831f41a78adff8e614d17ee9b38c56095a97d0bb9367e03e3ffcb68c4a926a14ba137a85c7df82270ce0d84601d102ed97cd841f48b9e4df1e151cae997218
SSDEEP

384:JBBMTEg3xVL8IrjxNFtwxrSYa+bTs2ZiXvEyA+HgbpRzY49iyRiElvlOEaG7SfCh:JBBMTEg3xVL8IrjxNFtwxrSYa+bTs2Zw

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

2532 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE
2532	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 2532 wrote to memory of 1108	2532	EXCEL.EXE	splwow64.exe
PID 2532 wrote to memory of 1108	2532	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\··\ǿ\��.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2532

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1108

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:3960

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/1108-139-0x0000000000000000-mapping.dmp

Download
memory/2532-132-0x00007FFC32230000-0x00007FFC32240000-memory.dmp

Filesize
64KB

Download
memory/2532-133-0x00007FFC32230000-0x00007FFC32240000-memory.dmp

Filesize
64KB

Download
memory/2532-134-0x00007FFC32230000-0x00007FFC32240000-memory.dmp

Filesize
64KB

Download
memory/2532-135-0x00007FFC32230000-0x00007FFC32240000-memory.dmp

Filesize
64KB

Download
memory/2532-136-0x00007FFC32230000-0x00007FFC32240000-memory.dmp

Filesize
64KB

Download
memory/2532-137-0x00007FFC2FA10000-0x00007FFC2FA20000-memory.dmp

Filesize
64KB

Download
memory/2532-138-0x00007FFC2FA10000-0x00007FFC2FA20000-memory.dmp

Filesize
64KB

Download
memory/2532-141-0x00007FFC32230000-0x00007FFC32240000-memory.dmp

Filesize
64KB

Download
memory/2532-142-0x00007FFC32230000-0x00007FFC32240000-memory.dmp

Filesize
64KB

Download
memory/2532-143-0x00007FFC32230000-0x00007FFC32240000-memory.dmp

Filesize
64KB

Download
memory/2532-144-0x00007FFC32230000-0x00007FFC32240000-memory.dmp

Filesize
64KB

Download