5b838d9c51ae74156d6b890e1428d448cf4fedb90f156c9210908f899ce20d61

Analysis

max time kernel
133s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
23/03/2025, 11:50

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General

Target

南沙万顷沙镇水窦工程量清单/南沙万顷沙镇水窦/10#水窦/表3—10 主要材料设备价格表.xls
Size

79KB
MD5

b91e3296b0adc26b052fedba3ef1e894
SHA1

217704bc48d518bf75fd9630a28435705a5b7023
SHA256

2757db58c63e0eb7c609cdaa4339194c604c9b9cb1884f39878874ebd8c38d87
SHA512

e08b52bc3d349d1d3bd2b07eebe8ad1c9beefc0db57818de203d37659d41880f8adb825dbe57be992ff3a7f9a267f4a0490f12a9ba432c34b6d2881b6f1ee854
SSDEEP

1536:ptq7CX+7uNKx2jcc0lbxOqTgZIIhY7nJdJoOd7cJtXwmF3:Q2jcc0lbxOK82AJtXwS3

Score

10^/10

defense_evasion macro xlm

Malware Config

Signatures

Process spawned unexpected child process 3 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2164	3280	cmd.exe	85
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3276	3280	cmd.exe	85
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5392	3280	cmd.exe	85

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral4/files/0x0005000000016918-110.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
3280	EXCEL.EXE

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

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 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

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\南沙万顷沙镇水窦工程量清单\南沙万顷沙镇水窦\10#水窦\2B775E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3280	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
3280	EXCEL.EXE
3280	EXCEL.EXE
3280	EXCEL.EXE
3280	EXCEL.EXE
3280	EXCEL.EXE
3280	EXCEL.EXE
3280	EXCEL.EXE
3280	EXCEL.EXE
3280	EXCEL.EXE
3280	EXCEL.EXE
3280	EXCEL.EXE
3280	EXCEL.EXE
3280	EXCEL.EXE
3280	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3280 wrote to memory of 5392	3280	EXCEL.EXE	90
PID 3280 wrote to memory of 5392	3280	EXCEL.EXE	90
PID 3280 wrote to memory of 3276	3280	EXCEL.EXE	91
PID 3280 wrote to memory of 3276	3280	EXCEL.EXE	91
PID 3280 wrote to memory of 2164	3280	EXCEL.EXE	92
PID 3280 wrote to memory of 2164	3280	EXCEL.EXE	92
PID 5392 wrote to memory of 5516	5392	cmd.exe	96
PID 5392 wrote to memory of 5516	5392	cmd.exe	96

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
5516	attrib.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\南沙万顷沙镇水窦工程量清单\南沙万顷沙镇水窦\10#水窦\表3—10 主要材料设备价格表.xls"
1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3280
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  - Suspicious use of WriteProcessMemory
  PID:5392
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:5516
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c Del /F /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  PID:3276
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c RD /S /Q "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
  2⤵
  - Process spawned unexpected child process
  PID:2164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Indicator Removal

T1070

File Deletion

T1070.004

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

C:\Users\Admin\AppData\Local\Temp\南沙万顷沙镇水窦工程量清单\南沙万顷沙镇水窦\10#水窦\表3—10 主要材料设备价格表.xls

Filesize
117KB

MD5
eaa1317a8bdc0f585a911cae6da8faa9

SHA1
4f1ea5077b9c4de43408a4828e7460932051c073

SHA256
b6efef8e0327c42d169262f500ed2f742997055b5d254c931e70443861c23303

SHA512
258e3a14f532654fc639cd66a450194fe837d51e05c02e18b7c0704602f31ee79ce61f5533bfc5422e0f4cf9c94e5c90cba687bf4d30fff751d25496b0a1d473

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

Filesize
1KB

MD5
bbe41090015b976d9ea10cf52a712624

SHA1
cf5008cad67b463226cae259e385adc6a3da2542

SHA256
b47da8e9382f0abb5ff514a298d8a80637f6b48781cfaa1e3384072ba5ab818a

SHA512
f875c3d9490df35d0b70689348dcf69d64b835977dbf7f8b422e409c84d44696c0d9e8c888097575828dcfdf81dbbe940edee6b17691872a309ed62687126584

Download Submit
memory/3280-14-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-6-0x00007FF902690000-0x00007FF9026A0000-memory.dmp

Filesize
64KB

Download
memory/3280-9-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-10-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-11-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-5-0x00007FF902690000-0x00007FF9026A0000-memory.dmp

Filesize
64KB

Download
memory/3280-12-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-19-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-23-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-22-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-21-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-20-0x00007FF900000000-0x00007FF900010000-memory.dmp

Filesize
64KB

Download
memory/3280-17-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-18-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-16-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-15-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-1-0x00007FF9426AD000-0x00007FF9426AE000-memory.dmp

Filesize
4KB

Download
memory/3280-13-0x00007FF900000000-0x00007FF900010000-memory.dmp

Filesize
64KB

Download
memory/3280-2-0x00007FF902690000-0x00007FF9026A0000-memory.dmp

Filesize
64KB

Download
memory/3280-7-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-8-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-4-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-52-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-60-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-72-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-71-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-73-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-68-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-55-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-54-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-3-0x00007FF902690000-0x00007FF9026A0000-memory.dmp

Filesize
64KB

Download
memory/3280-53-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-112-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-113-0x00007FF9426AD000-0x00007FF9426AE000-memory.dmp

Filesize
4KB

Download
memory/3280-114-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-118-0x00007FF942610000-0x00007FF942805000-memory.dmp

Filesize
2.0MB

Download
memory/3280-0-0x00007FF902690000-0x00007FF9026A0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads