c72e54284f0bcf114298a982e7540aefffe3d3e23ad01f4867c7187faa71ec2d

Analysis

max time kernel
164s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 14:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c72e54284f0bcf114298a982e7540aefffe3d3e23ad01f4867c7187faa71ec2d.xls
Size

51KB
MD5

acffb5e785e6b9095adba3a1cc9cad69
SHA1

07ec4a0c31af60528e7b04df8f2a373e09a96e29
SHA256

c72e54284f0bcf114298a982e7540aefffe3d3e23ad01f4867c7187faa71ec2d
SHA512

d21cf2e31524c3fe012ea90accad41e1433132f15238c31fb23ef9264bd41fc7a25a8251ab53c0cb8faf2327e5e9fd1445c06026dc4892cbb29aa209a2732a2a
SSDEEP

1536:LxxxEc3xMtL8FgjNkIrxTwV09S+tpUZTj2fD7uoajka:arE

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

4840 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4840	EXCEL.EXE
4840	EXCEL.EXE
4840	EXCEL.EXE
4840	EXCEL.EXE
4840	EXCEL.EXE
4840	EXCEL.EXE
4840	EXCEL.EXE
4840	EXCEL.EXE
4840	EXCEL.EXE
4840	EXCEL.EXE
4840	EXCEL.EXE
4840	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4840 wrote to memory of 2608	4840	EXCEL.EXE	splwow64.exe
PID 4840 wrote to memory of 2608	4840	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\c72e54284f0bcf114298a982e7540aefffe3d3e23ad01f4867c7187faa71ec2d.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4840

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2608

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:1472

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

Loading Replay Monitor...

Downloads

memory/2608-139-0x0000000000000000-mapping.dmp

Download
memory/4840-132-0x00007FF8B9630000-0x00007FF8B9640000-memory.dmp

Filesize
64KB

Download
memory/4840-133-0x00007FF8B9630000-0x00007FF8B9640000-memory.dmp

Filesize
64KB

Download
memory/4840-134-0x00007FF8B9630000-0x00007FF8B9640000-memory.dmp

Filesize
64KB

Download
memory/4840-135-0x00007FF8B9630000-0x00007FF8B9640000-memory.dmp

Filesize
64KB

Download
memory/4840-136-0x00007FF8B9630000-0x00007FF8B9640000-memory.dmp

Filesize
64KB

Download
memory/4840-137-0x00007FF8B71E0000-0x00007FF8B71F0000-memory.dmp

Filesize
64KB

Download
memory/4840-138-0x00007FF8B71E0000-0x00007FF8B71F0000-memory.dmp

Filesize
64KB

Download
memory/4840-141-0x00007FF8B9630000-0x00007FF8B9640000-memory.dmp

Filesize
64KB

Download
memory/4840-142-0x00007FF8B9630000-0x00007FF8B9640000-memory.dmp

Filesize
64KB

Download
memory/4840-143-0x00007FF8B9630000-0x00007FF8B9640000-memory.dmp

Filesize
64KB

Download
memory/4840-144-0x00007FF8B9630000-0x00007FF8B9640000-memory.dmp

Filesize
64KB

Download