5b838d9c51ae74156d6b890e1428d448cf4fedb90f156c9210908f899ce20d61

Analysis

max time kernel
133s
max time network
141s
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/11#水窦/表3—8 综合单价分析表（二）.xls
Size

204KB
MD5

7f470e80fed9a8df2abb69f16b0f7edf
SHA1

caced60386bd385955ade0212074f42ec17c2f3a
SHA256

0111532438420dc255666edd0d5b77094387acdc59e0430a7f7963b37865e2c5
SHA512

9891c07e6d09acddc2ffbcc9742d3ee0c4d15f4cdb8c37c8afe6be3a4bfa228554c3862c953d6d8bf9a040185369e4fab23e99fb97f3864246cdc077a7af5498
SSDEEP

3072:VSAvhOH0tJEvThBahBRbO+xGJMNdr7TzzhR/s2jcc0lbxOK22AJtXw6o:VScn93SM/7Tzzhp22

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	4040	2448	cmd.exe	85
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1860	2448	cmd.exe	85
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5216	2448	cmd.exe	85

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral20/files/0x00030000000230ab-103.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
2448	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\11#水窦\D1875E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2448	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE
2448	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 5216	2448	EXCEL.EXE	92
PID 2448 wrote to memory of 5216	2448	EXCEL.EXE	92
PID 2448 wrote to memory of 1860	2448	EXCEL.EXE	93
PID 2448 wrote to memory of 1860	2448	EXCEL.EXE	93
PID 2448 wrote to memory of 4040	2448	EXCEL.EXE	94
PID 2448 wrote to memory of 4040	2448	EXCEL.EXE	94
PID 5216 wrote to memory of 3692	5216	cmd.exe	98
PID 5216 wrote to memory of 3692	5216	cmd.exe	98

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
3692	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\11#水窦\表3—8 综合单价分析表（二）.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:2448
- 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:5216
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:3692
- 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:1860
- 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:4040

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\11#水窦\表3—8 综合单价分析表（二）.xls

Filesize
243KB

MD5
7c35b4307c6546facd0fb2938d5b843a

SHA1
3bfe2787d2c06c7352cf3a712ddc9d8fdc85cae1

SHA256
bad56e95b0eba6bbbf6fc4db7cfc4256d71eddc4a0b63d4d462c2bac8601e76f

SHA512
a6b709d402e77571dbe9ce3782f3c2d00ee8a05befc1edb67c3a0df45be237fb187c6fd752d2e0bf566d49057997c38576e994842b60a454dc2a74f11a5db4f0

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

Filesize
1KB

MD5
70f9e827876173376e8f1433adb1137f

SHA1
7fccbe22b4e96516705eb0939710d81dea125435

SHA256
e4c2920c8674c131e21623676d9f023cf9708027b7f8103eab29adeec14681e7

SHA512
4277f875b83d03f5e63b69e7bdbf1fcdc7308134529aea69a3d0e933072de9859f29e342a4a7f707a8bfac1ca28aa34cc01517627cc77ead9f298cf088fed26b

Download Submit
memory/2448-10-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-6-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-4-0x00007FF958490000-0x00007FF9584A0000-memory.dmp

Filesize
64KB

Download
memory/2448-2-0x00007FF958490000-0x00007FF9584A0000-memory.dmp

Filesize
64KB

Download
memory/2448-9-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-12-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-14-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-13-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-7-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-18-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-16-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-15-0x00007FF955FF0000-0x00007FF956000000-memory.dmp

Filesize
64KB

Download
memory/2448-11-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-19-0x00007FF955FF0000-0x00007FF956000000-memory.dmp

Filesize
64KB

Download
memory/2448-5-0x00007FF958490000-0x00007FF9584A0000-memory.dmp

Filesize
64KB

Download
memory/2448-0-0x00007FF958490000-0x00007FF9584A0000-memory.dmp

Filesize
64KB

Download
memory/2448-17-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-8-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-57-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-56-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-59-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-62-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-60-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-58-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-55-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-54-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-3-0x00007FF958490000-0x00007FF9584A0000-memory.dmp

Filesize
64KB

Download
memory/2448-108-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-109-0x00007FF9984AD000-0x00007FF9984AE000-memory.dmp

Filesize
4KB

Download
memory/2448-110-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-111-0x00007FF998410000-0x00007FF998605000-memory.dmp

Filesize
2.0MB

Download
memory/2448-1-0x00007FF9984AD000-0x00007FF9984AE000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads