5b838d9c51ae74156d6b890e1428d448cf4fedb90f156c9210908f899ce20d61

Analysis

max time kernel
133s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-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/12#水窦/表3—8 综合单价分析表（二）.xls
Size

204KB
MD5

a09207992bf95b6f16040bdf04cfc1f4
SHA1

494c04f103db5da227a76cbcedf7c1dc8a77877e
SHA256

55b4dadfc53e3677fdfec468e8e66a016023705570f74f510e855cfeb4e7c8f6
SHA512

c3de73d88b51f7f3bbf4c7ada5a680d3e399a2c73d3f227f4cc32ca9a22671530aaaa2b3ffe11c66f0f546e4a03f7bf42195cfa8dd9d405b888fcadb03e536e1
SSDEEP

3072:3wNfSAmhOH0tGQyvUVxahBRbsl1MMXGFfwEzhR/m2jcc0lbxOK82AJtXwee:Ufksn97MwfwEzhpC2

Score

8^/10

defense_evasion macro xlm

Malware Config

Signatures

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral30/files/0x000b00000001e617-111.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
3888	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\12#水窦\4D675E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3888	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE
3888	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 4864	3888	EXCEL.EXE	92
PID 3888 wrote to memory of 4864	3888	EXCEL.EXE	92
PID 3888 wrote to memory of 4852	3888	EXCEL.EXE	93
PID 3888 wrote to memory of 4852	3888	EXCEL.EXE	93
PID 3888 wrote to memory of 5056	3888	EXCEL.EXE	94
PID 3888 wrote to memory of 5056	3888	EXCEL.EXE	94
PID 4864 wrote to memory of 2716	4864	cmd.exe	98
PID 4864 wrote to memory of 2716	4864	cmd.exe	98

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2716	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\12#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:3888
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:4864
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:2716
- 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⤵
  PID:4852
- 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⤵
  PID:5056

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\12#水窦\表3—8 综合单价分析表（二）.xls

Filesize
243KB

MD5
234afe5b12d8385bcf46a23dc6eb3fc7

SHA1
9a46df44fbe48de0aa3f094984a64570951adf3c

SHA256
3fbef255fa7965717973a75545783606b8d1c1b3964247070804b8493bd4787d

SHA512
110a5f6bb7c9411a18eaf33fdbcab997ec69ef628315bc266aeade511d70604a437d37366ea20cee0406f81ecd3ce7e7fa3fa203d0a7b7a61674f6f3ba5e5a77

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

Filesize
3KB

MD5
c4519e7473c336ba1f982c62fccf139a

SHA1
b6d3abc06a0b7efac60a35954f758d8292e8192a

SHA256
4c3602f2528f70c2f84910f0d306408f59a1876d444cd5c88d4670e2566a27f3

SHA512
d0133915ed0fc6862c35a8bafaa187f28c2e57c4f5eed743a4a7d68510849387971f7163eb332dfdbd740fc9c315ff8b5da32d9a761bd91ba1fb5a7eadae00b0

Download Submit
memory/3888-5-0x00007FFFA0C30000-0x00007FFFA0C40000-memory.dmp

Filesize
64KB

Download
memory/3888-62-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-19-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-23-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-24-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-22-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-21-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-20-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-18-0x00007FFF9E880000-0x00007FFF9E890000-memory.dmp

Filesize
64KB

Download
memory/3888-77-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-14-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-13-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-12-0x00007FFF9E880000-0x00007FFF9E890000-memory.dmp

Filesize
64KB

Download
memory/3888-11-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-10-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-8-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-7-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-6-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-17-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-1-0x00007FFFA0C30000-0x00007FFFA0C40000-memory.dmp

Filesize
64KB

Download
memory/3888-16-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-76-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-63-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-75-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-61-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-60-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-54-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-51-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-4-0x00007FFFA0C30000-0x00007FFFA0C40000-memory.dmp

Filesize
64KB

Download
memory/3888-2-0x00007FFFA0C30000-0x00007FFFA0C40000-memory.dmp

Filesize
64KB

Download
memory/3888-15-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-3-0x00007FFFA0C30000-0x00007FFFA0C40000-memory.dmp

Filesize
64KB

Download
memory/3888-0-0x00007FFFE0C4D000-0x00007FFFE0C4E000-memory.dmp

Filesize
4KB

Download
memory/3888-114-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-113-0x00007FFFE0C4D000-0x00007FFFE0C4E000-memory.dmp

Filesize
4KB

Download
memory/3888-115-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-119-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download
memory/3888-9-0x00007FFFE0BB0000-0x00007FFFE0DA5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads