5b838d9c51ae74156d6b890e1428d448cf4fedb90f156c9210908f899ce20d61

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-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

10^/10

defense_evasion discovery

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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1852	1760	cmd.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1868	1760	cmd.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	844	1760	cmd.exe	29

Deletes itself 1 IoCs

pid	Process
1760	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

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	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\51E67F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1760	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1760	EXCEL.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1760	EXCEL.EXE
1760	EXCEL.EXE
1760	EXCEL.EXE
1760	EXCEL.EXE
1760	EXCEL.EXE
1760	EXCEL.EXE
1760	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 1852	1760	EXCEL.EXE	30
PID 1760 wrote to memory of 1852	1760	EXCEL.EXE	30
PID 1760 wrote to memory of 1852	1760	EXCEL.EXE	30
PID 1760 wrote to memory of 1852	1760	EXCEL.EXE	30
PID 1760 wrote to memory of 1868	1760	EXCEL.EXE	31
PID 1760 wrote to memory of 1868	1760	EXCEL.EXE	31
PID 1760 wrote to memory of 1868	1760	EXCEL.EXE	31
PID 1760 wrote to memory of 1868	1760	EXCEL.EXE	31
PID 1760 wrote to memory of 844	1760	EXCEL.EXE	33
PID 1760 wrote to memory of 844	1760	EXCEL.EXE	33
PID 1760 wrote to memory of 844	1760	EXCEL.EXE	33
PID 1760 wrote to memory of 844	1760	EXCEL.EXE	33
PID 1852 wrote to memory of 2720	1852	cmd.exe	36
PID 1852 wrote to memory of 2720	1852	cmd.exe	36
PID 1852 wrote to memory of 2720	1852	cmd.exe	36
PID 1852 wrote to memory of 2720	1852	cmd.exe	36

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2720	attrib.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "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
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\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
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1852
- - C:\Windows\SysWOW64\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2720
- C:\Windows\SysWOW64\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
  - System Location Discovery: System Language Discovery
  PID:1868
- C:\Windows\SysWOW64\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
  - System Location Discovery: System Language Discovery
  PID:844

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1760-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1760-1-0x0000000072BED000-0x0000000072BF8000-memory.dmp

Filesize
44KB

Download
memory/1760-3-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/1760-2-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-4-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/1760-18-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-5-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-6-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-8-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-10-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-9-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-11-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-7-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-14-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-12-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-15-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-17-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-30-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-31-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-29-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/1760-28-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-27-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-26-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-25-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-24-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

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memory/1760-23-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/1760-22-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/1760-21-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/1760-20-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/1760-19-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/1760-16-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/1760-77-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/1760-76-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/1760-75-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/1760-166-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/1760-53-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/1760-331-0x0000000072BED000-0x0000000072BF8000-memory.dmp

Filesize
44KB

Download
memory/1760-332-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download