5b838d9c51ae74156d6b890e1428d448cf4fedb90f156c9210908f899ce20d61

Analysis

max time kernel
133s
max time network
139s
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—6 分部分项工程计价表.xls
Size

81KB
MD5

ef6c10fbe4aa129c5367ab7d7934dee3
SHA1

e89357c4c57eeb99735531ee77d7d738f0de3e00
SHA256

4023ff7e11e473df94f16e6aa46ed18a1a81f66046f317af9e7f79dccbf960c7
SHA512

924b923c86806fdc1b1044e954973ce2df0226eb4c39796f92894f4b9f57241d72f8dd01f240e6f9411b273de8b2e88e6861d61485c4884bf307f70f89e6df13
SSDEEP

1536:BRIKgHKB2jcc0lbxOqTgZuIhY7nJdJoOd7cJtXwZUv:l2jcc0lbxOK22AJtXwev

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	5060	1528	cmd.exe	87
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5044	1528	cmd.exe	87
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5036	1528	cmd.exe	87

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral18/files/0x00080000000244d3-116.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
1528	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 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

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\730E5E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1528	EXCEL.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1528	EXCEL.EXE
1528	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 5036	1528	EXCEL.EXE	92
PID 1528 wrote to memory of 5036	1528	EXCEL.EXE	92
PID 1528 wrote to memory of 5044	1528	EXCEL.EXE	93
PID 1528 wrote to memory of 5044	1528	EXCEL.EXE	93
PID 1528 wrote to memory of 5060	1528	EXCEL.EXE	94
PID 1528 wrote to memory of 5060	1528	EXCEL.EXE	94
PID 5036 wrote to memory of 5608	5036	cmd.exe	98
PID 5036 wrote to memory of 5608	5036	cmd.exe	98

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
5608	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—6 分部分项工程计价表.xls"
1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1528
- 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:5036
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:5608
- 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:5044
- 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:5060

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—6 分部分项工程计价表.xls

Filesize
120KB

MD5
52d41359f78361bbd968f6a45523d350

SHA1
ce9b4c2c23ccf1e66bd39ddf8ab33958d723b8c2

SHA256
1b0f8b9c3d8016ee8c4c9c812e423ece65ce94478947038db5cfa1bccf32943d

SHA512
bac1c30c834ceeca69b307e55c5217a82b6858e97d6dd1f3dfcd28614600e8f780ec2d1beb5eaeb4d00e8fcfee1bc945c8a33735ba3680eb6ba747eb94a6377e

Download Submit
memory/1528-19-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-21-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-2-0x00007FF847B30000-0x00007FF847B40000-memory.dmp

Filesize
64KB

Download
memory/1528-4-0x00007FF847B30000-0x00007FF847B40000-memory.dmp

Filesize
64KB

Download
memory/1528-9-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-10-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-11-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-8-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-12-0x00007FF845810000-0x00007FF845820000-memory.dmp

Filesize
64KB

Download
memory/1528-7-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-6-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-13-0x00007FF845810000-0x00007FF845820000-memory.dmp

Filesize
64KB

Download
memory/1528-5-0x00007FF847B30000-0x00007FF847B40000-memory.dmp

Filesize
64KB

Download
memory/1528-17-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-18-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-16-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-1-0x00007FF887B4D000-0x00007FF887B4E000-memory.dmp

Filesize
4KB

Download
memory/1528-22-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-3-0x00007FF847B30000-0x00007FF847B40000-memory.dmp

Filesize
64KB

Download
memory/1528-20-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-61-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-14-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-50-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-15-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-62-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-54-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-52-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-48-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-71-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-72-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-84-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-85-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-0-0x00007FF847B30000-0x00007FF847B40000-memory.dmp

Filesize
64KB

Download
memory/1528-118-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-119-0x00007FF887B4D000-0x00007FF887B4E000-memory.dmp

Filesize
4KB

Download
memory/1528-120-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-121-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-125-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download
memory/1528-126-0x00007FF887AB0000-0x00007FF887CA5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads