5b838d9c51ae74156d6b890e1428d448cf4fedb90f156c9210908f899ce20d61

Analysis

max time kernel
133s
max time network
143s
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—10 主要材料设备价格表.xls
Size

79KB
MD5

015ae90f54a4befe2e78f03a371fba88
SHA1

ae7ff662e973fd8717eaffd7a6a3843bf32bc820
SHA256

600f1d516634f1d82ebceea80d8284d3047a02135bea61d2759eabecba432a7d
SHA512

180551c51e32b53945e0846eed7e89c82a8f6a9fb39689515aa4bfca062891b33dad9dde98d0a2135f9e68620210d1f77be19a191f23fab91745e93d778268b5
SSDEEP

1536:yg9bKTI3W4vXKV2jcc0lbxOqTgZuIhY7nJdJoOd7cJtXwu/U:ycC2jcc0lbxOK22AJtXwQU

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
behavioral14/files/0x0007000000024308-99.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
5484	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\2B575E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
5484	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
5484	EXCEL.EXE
5484	EXCEL.EXE
5484	EXCEL.EXE
5484	EXCEL.EXE
5484	EXCEL.EXE
5484	EXCEL.EXE
5484	EXCEL.EXE
5484	EXCEL.EXE
5484	EXCEL.EXE
5484	EXCEL.EXE
5484	EXCEL.EXE
5484	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5484 wrote to memory of 4524	5484	EXCEL.EXE	91
PID 5484 wrote to memory of 4524	5484	EXCEL.EXE	91
PID 5484 wrote to memory of 400	5484	EXCEL.EXE	92
PID 5484 wrote to memory of 400	5484	EXCEL.EXE	92
PID 5484 wrote to memory of 4500	5484	EXCEL.EXE	93
PID 5484 wrote to memory of 4500	5484	EXCEL.EXE	93
PID 4524 wrote to memory of 4648	4524	cmd.exe	97
PID 4524 wrote to memory of 4648	4524	cmd.exe	97

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4648	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—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:5484
- 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:4524
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:4648
- 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:400
- 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:4500

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—10 主要材料设备价格表.xls

Filesize
117KB

MD5
f1dfe8e139fa5652d35f1535a30903f5

SHA1
2f83aad012ed3a44930f94376940959d41fa4534

SHA256
1bcd17133c85c4cbfb6c0596fa09a4a9c0ef239b7475c3bd48cde6bfc6f8771c

SHA512
fee7dd062b963c69f3c713e5c246fc918c4254f5448dd845555dd46cba8c74e96241451566fd48f016faab027101dff03c3e894c1698bf17d66e4283606aa981

Download Submit
memory/5484-54-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-52-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-23-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-22-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-20-0x00007FFA0A9B0000-0x00007FFA0A9C0000-memory.dmp

Filesize
64KB

Download
memory/5484-51-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-17-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-18-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-15-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-14-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-13-0x00007FFA0A9B0000-0x00007FFA0A9C0000-memory.dmp

Filesize
64KB

Download
memory/5484-12-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-11-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-9-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-8-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-7-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-53-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-10-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-21-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-55-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-19-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-44-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-42-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-6-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-68-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-16-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-5-0x00007FFA0D030000-0x00007FFA0D040000-memory.dmp

Filesize
64KB

Download
memory/5484-4-0x00007FFA0D030000-0x00007FFA0D040000-memory.dmp

Filesize
64KB

Download
memory/5484-3-0x00007FFA0D030000-0x00007FFA0D040000-memory.dmp

Filesize
64KB

Download
memory/5484-2-0x00007FFA0D030000-0x00007FFA0D040000-memory.dmp

Filesize
64KB

Download
memory/5484-1-0x00007FFA4D04D000-0x00007FFA4D04E000-memory.dmp

Filesize
4KB

Download
memory/5484-0-0x00007FFA0D030000-0x00007FFA0D040000-memory.dmp

Filesize
64KB

Download
memory/5484-109-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-110-0x00007FFA4D04D000-0x00007FFA4D04E000-memory.dmp

Filesize
4KB

Download
memory/5484-111-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-112-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download
memory/5484-116-0x00007FFA4CFB0000-0x00007FFA4D1A5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads