5b838d9c51ae74156d6b890e1428d448cf4fedb90f156c9210908f899ce20d61

Analysis

max time kernel
68s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-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—6 分部分项工程计价表.xls
Size

81KB
MD5

0d291537914a40e012a0b0abb663ab58
SHA1

c30a93854a2e2bd3689f72bc2c542ea7dbdf508d
SHA256

8269b93e37f797cdb84efdc5b339ad9dde07cb7c7067bd2e0467be4ba6a998be
SHA512

b0abcfe6777eba5d65900cf1ebef4921067506573ab0a723cda75720af661713fb5a08ed0807677fe280b715ad8c12e308706e8b521ed38f4a6e4f9e4da9a467
SSDEEP

1536:nxQCOzMK42jcc0lbxOqTgZfIhY7nJdJoOd7cJtXwLmx:T2jcc0lbxOKp2AJtXwSx

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	2056	1704	cmd.exe	28
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2444	1704	cmd.exe	28
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1668	1704	cmd.exe	28

Deletes itself 1 IoCs

pid	Process
1704	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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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\9C687F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1704	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1704	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1704	EXCEL.EXE
1704	EXCEL.EXE
1704	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 2444	1704	EXCEL.EXE	29
PID 1704 wrote to memory of 2444	1704	EXCEL.EXE	29
PID 1704 wrote to memory of 2444	1704	EXCEL.EXE	29
PID 1704 wrote to memory of 2444	1704	EXCEL.EXE	29
PID 1704 wrote to memory of 2056	1704	EXCEL.EXE	30
PID 1704 wrote to memory of 2056	1704	EXCEL.EXE	30
PID 1704 wrote to memory of 2056	1704	EXCEL.EXE	30
PID 1704 wrote to memory of 2056	1704	EXCEL.EXE	30
PID 1704 wrote to memory of 1668	1704	EXCEL.EXE	32
PID 1704 wrote to memory of 1668	1704	EXCEL.EXE	32
PID 1704 wrote to memory of 1668	1704	EXCEL.EXE	32
PID 1704 wrote to memory of 1668	1704	EXCEL.EXE	32
PID 2444 wrote to memory of 2168	2444	cmd.exe	35
PID 2444 wrote to memory of 2168	2444	cmd.exe	35
PID 2444 wrote to memory of 2168	2444	cmd.exe	35
PID 2444 wrote to memory of 2168	2444	cmd.exe	35

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2168	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—6 分部分项工程计价表.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:1704
- 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:2444
- - 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:2168
- 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:1668

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/1704-1-0x000000007261D000-0x0000000072628000-memory.dmp

Filesize
44KB

Download
memory/1704-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1704-7-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-16-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-18-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-23-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-26-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-21-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-29-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-2-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-55-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-4-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-5-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

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memory/1704-3-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-76-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-91-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-56-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

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memory/1704-54-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-52-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-35-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-30-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-28-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-27-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-25-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-24-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-22-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-20-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-19-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-17-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-15-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-14-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-13-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-12-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-11-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-10-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-9-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-8-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-6-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-331-0x000000007261D000-0x0000000072628000-memory.dmp

Filesize
44KB

Download
memory/1704-332-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-333-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-334-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download
memory/1704-335-0x00000000003E0000-0x00000000004E0000-memory.dmp

Filesize
1024KB

Download