8f716c41b1733c07af4c49e3d76e4e55b547f45c46ab400cab6de58eca01bfb3

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 19:14

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General

Target

8f716c41b1733c07af4c49e3d76e4e55b547f45c46ab400cab6de58eca01bfb3.xlsx
Size

27KB
MD5

52c62ee8db1aa06556b68085ddf7aa6f
SHA1

d55a704f1cb1cc2195283c4e0870aa0fc91ff4cc
SHA256

8f716c41b1733c07af4c49e3d76e4e55b547f45c46ab400cab6de58eca01bfb3
SHA512

97dedfdbe0ba12e86291c292509ae6a10226e0577acdafab8d2f3a25b55d78d76be1e6d67b76a692680c10e1daa7152b4df7c58e4c2fff2734117c121d38caea
SSDEEP

768:Av/l0hSOcIg/vaZo6diB+K4r1fU8eJ55E:Avty4vaJdiBF4S8q56

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

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

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

pid	Process
1360	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1360	EXCEL.EXE
1360	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 1140	1360	EXCEL.EXE	94
PID 1360 wrote to memory of 1140	1360	EXCEL.EXE	94

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\8f716c41b1733c07af4c49e3d76e4e55b547f45c46ab400cab6de58eca01bfb3.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:1360
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1140

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/1360-2-0x00007FFDA2290000-0x00007FFDA22A0000-memory.dmp

Filesize
64KB

Download
memory/1360-3-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-5-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-7-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-9-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-8-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-11-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-12-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-15-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-13-0x00007FFD9F990000-0x00007FFD9F9A0000-memory.dmp

Filesize
64KB

Download
memory/1360-16-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-14-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-10-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-6-0x00007FFDA2290000-0x00007FFDA22A0000-memory.dmp

Filesize
64KB

Download
memory/1360-17-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-4-0x00007FFDA2290000-0x00007FFDA22A0000-memory.dmp

Filesize
64KB

Download
memory/1360-1-0x00007FFDA2290000-0x00007FFDA22A0000-memory.dmp

Filesize
64KB

Download
memory/1360-0-0x00007FFDA2290000-0x00007FFDA22A0000-memory.dmp

Filesize
64KB

Download
memory/1360-18-0x00007FFD9F990000-0x00007FFD9F9A0000-memory.dmp

Filesize
64KB

Download
memory/1360-25-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-43-0x00007FFDA2290000-0x00007FFDA22A0000-memory.dmp

Filesize
64KB

Download
memory/1360-42-0x00007FFDA2290000-0x00007FFDA22A0000-memory.dmp

Filesize
64KB

Download
memory/1360-45-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-44-0x00007FFDA2290000-0x00007FFDA22A0000-memory.dmp

Filesize
64KB

Download
memory/1360-41-0x00007FFDA2290000-0x00007FFDA22A0000-memory.dmp

Filesize
64KB

Download
memory/1360-46-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download
memory/1360-47-0x00007FFDE2210000-0x00007FFDE2405000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads