5b838d9c51ae74156d6b890e1428d448cf4fedb90f156c9210908f899ce20d61

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-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/10#水窦/表3—10 主要材料设备价格表.xls
Size

79KB
MD5

b91e3296b0adc26b052fedba3ef1e894
SHA1

217704bc48d518bf75fd9630a28435705a5b7023
SHA256

2757db58c63e0eb7c609cdaa4339194c604c9b9cb1884f39878874ebd8c38d87
SHA512

e08b52bc3d349d1d3bd2b07eebe8ad1c9beefc0db57818de203d37659d41880f8adb825dbe57be992ff3a7f9a267f4a0490f12a9ba432c34b6d2881b6f1ee854
SSDEEP

1536:ptq7CX+7uNKx2jcc0lbxOqTgZIIhY7nJdJoOd7cJtXwmF3:Q2jcc0lbxOK82AJtXwS3

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	2308	300	cmd.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2056	300	cmd.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2900	300	cmd.exe	29

Deletes itself 1 IoCs

pid	Process
300	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	cmd.exe
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	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\10#水窦\8AC67F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
300	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
300	EXCEL.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
300	EXCEL.EXE
300	EXCEL.EXE
300	EXCEL.EXE
300	EXCEL.EXE
300	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 300 wrote to memory of 2900	300	EXCEL.EXE	30
PID 300 wrote to memory of 2900	300	EXCEL.EXE	30
PID 300 wrote to memory of 2900	300	EXCEL.EXE	30
PID 300 wrote to memory of 2900	300	EXCEL.EXE	30
PID 300 wrote to memory of 2056	300	EXCEL.EXE	31
PID 300 wrote to memory of 2056	300	EXCEL.EXE	31
PID 300 wrote to memory of 2056	300	EXCEL.EXE	31
PID 300 wrote to memory of 2056	300	EXCEL.EXE	31
PID 300 wrote to memory of 2308	300	EXCEL.EXE	32
PID 300 wrote to memory of 2308	300	EXCEL.EXE	32
PID 300 wrote to memory of 2308	300	EXCEL.EXE	32
PID 300 wrote to memory of 2308	300	EXCEL.EXE	32
PID 2900 wrote to memory of 1076	2900	cmd.exe	36
PID 2900 wrote to memory of 1076	2900	cmd.exe	36
PID 2900 wrote to memory of 1076	2900	cmd.exe	36
PID 2900 wrote to memory of 1076	2900	cmd.exe	36

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1076	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\10#水窦\表3—10 主要材料设备价格表.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:300
- 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:2900
- - 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:1076
- 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:2056
- 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:2308

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/300-1-0x000000007293D000-0x0000000072948000-memory.dmp

Filesize
44KB

Download
memory/300-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/300-10-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-9-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-5-0x0000000006270000-0x0000000006370000-memory.dmp

Filesize
1024KB

Download
memory/300-11-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-14-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-34-0x0000000006270000-0x0000000006370000-memory.dmp

Filesize
1024KB

Download
memory/300-15-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-49-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-16-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-100-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-20-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-19-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-23-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-62-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-30-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-29-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-27-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-25-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-21-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-22-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-18-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-17-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-28-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-13-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-26-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-24-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-12-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/300-331-0x000000007293D000-0x0000000072948000-memory.dmp

Filesize
44KB

Download
memory/300-332-0x0000000006270000-0x0000000006370000-memory.dmp

Filesize
1024KB

Download
memory/300-333-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download