b643f0c70ccc5676d8d88bc0615195f40bf763701387f67b9ccc4ff37f225355

Analysis

max time kernel
46s
max time network
40s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2025, 21:49

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General

Target

b643f0c70ccc5676d8d88bc0615195f40bf763701387f67b9ccc4ff37f225355.xls
Size

1.5MB
MD5

b1db50fd39101a9f00f6019a41146173
SHA1

b99ee1661682d4095db67cf99823e4b050d3ed58
SHA256

b643f0c70ccc5676d8d88bc0615195f40bf763701387f67b9ccc4ff37f225355
SHA512

d7c3e3fdd158f3f4840b84b13a441c5fea90ceba712a158a10caa274567f2e7f6f46524f78dbd5c58f4dff980fb70f19f5110d09323a8d45e8ca2d2a705c12eb
SSDEEP

24576:x8wPiXeV+fXR++idpgv/v5/r7DtYM9tnTEVxDCY6femXHxG+RUD/YsWeD:KwPiX4kYOf8

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 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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3020	EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

pid	Process
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE
3020	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 4384	3020	EXCEL.EXE	88
PID 3020 wrote to memory of 4384	3020	EXCEL.EXE	88

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\b643f0c70ccc5676d8d88bc0615195f40bf763701387f67b9ccc4ff37f225355.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:4384

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:824

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

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
3KB

MD5
dd51efa58cee5a968c53b7945a0b978b

SHA1
360a3c636985405e7755598f389e7bd749489a94

SHA256
a93e76a282a6d4d247065fed2a596faaf6f2cee04bd1282eb474a1d99b55b889

SHA512
a4ecbf7f5cbcf0335d695d047074f0ace2fbba5e553e553ffa2a3b671c8ca8684d8ecbd613d75200c287498e441f0477ef862010d1ff8f5fb2cfcda06d8ec287

Download Submit
memory/3020-12-0x00007FFC97690000-0x00007FFC97885000-memory.dmp

Filesize
2.0MB

Download
memory/3020-10-0x00007FFC97690000-0x00007FFC97885000-memory.dmp

Filesize
2.0MB

Download
memory/3020-2-0x00007FFC57710000-0x00007FFC57720000-memory.dmp

Filesize
64KB

Download
memory/3020-5-0x00007FFC97690000-0x00007FFC97885000-memory.dmp

Filesize
2.0MB

Download
memory/3020-6-0x00007FFC97690000-0x00007FFC97885000-memory.dmp

Filesize
2.0MB

Download
memory/3020-4-0x00007FFC57710000-0x00007FFC57720000-memory.dmp

Filesize
64KB

Download
memory/3020-7-0x00007FFC57710000-0x00007FFC57720000-memory.dmp

Filesize
64KB

Download
memory/3020-13-0x00007FFC97690000-0x00007FFC97885000-memory.dmp

Filesize
2.0MB

Download
memory/3020-1-0x00007FFC9772D000-0x00007FFC9772E000-memory.dmp

Filesize
4KB

Download
memory/3020-9-0x00007FFC55100000-0x00007FFC55110000-memory.dmp

Filesize
64KB

Download
memory/3020-3-0x00007FFC57710000-0x00007FFC57720000-memory.dmp

Filesize
64KB

Download
memory/3020-11-0x00007FFC97690000-0x00007FFC97885000-memory.dmp

Filesize
2.0MB

Download
memory/3020-8-0x00007FFC97690000-0x00007FFC97885000-memory.dmp

Filesize
2.0MB

Download
memory/3020-15-0x00007FFC55100000-0x00007FFC55110000-memory.dmp

Filesize
64KB

Download
memory/3020-17-0x00007FFC97690000-0x00007FFC97885000-memory.dmp

Filesize
2.0MB

Download
memory/3020-16-0x00007FFC97690000-0x00007FFC97885000-memory.dmp

Filesize
2.0MB

Download
memory/3020-18-0x00007FFC97690000-0x00007FFC97885000-memory.dmp

Filesize
2.0MB

Download
memory/3020-14-0x00007FFC97690000-0x00007FFC97885000-memory.dmp

Filesize
2.0MB

Download
memory/3020-36-0x00007FFC97690000-0x00007FFC97885000-memory.dmp

Filesize
2.0MB

Download
memory/3020-37-0x00007FFC9772D000-0x00007FFC9772E000-memory.dmp

Filesize
4KB

Download
memory/3020-38-0x00007FFC97690000-0x00007FFC97885000-memory.dmp

Filesize
2.0MB

Download
memory/3020-39-0x00007FFC97690000-0x00007FFC97885000-memory.dmp

Filesize
2.0MB

Download
memory/3020-0-0x00007FFC57710000-0x00007FFC57720000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads