5b838d9c51ae74156d6b890e1428d448cf4fedb90f156c9210908f899ce20d61

Analysis

max time kernel
119s
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—5 单位工程招标控制价汇总表.xls
Size

85KB
MD5

70314a065296a82e233001ada0ab559f
SHA1

7fe7c0500580062b0ccbb6774ceebce1ad088d67
SHA256

a06acb8782ea7129e3ecf74c3dc982c73c4e041e51a702dec4c7ceeb8b728e66
SHA512

abd1efbc567d66d92129e618bb767d52ceda59ba2542ba6ad4eb7ccff62f847177ac732a62134b8cfced80d5a5def66aac358fb4534558fa985d044b877d32bc
SSDEEP

1536:cpMWVqWVbrzQ7ITkVFtI9NA23NP2iY7nJdJoOd7cJwXw62te:lWVbrzQ7ITkju1t2rAJwXwnte

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	804	1956	cmd.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1612	1956	cmd.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	3016	1956	cmd.exe	29

Deletes itself 1 IoCs

pid	Process
1956	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	EXCEL.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	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\10#水窦\5EB67F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1956	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1956	EXCEL.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
1956	EXCEL.EXE
1956	EXCEL.EXE
1956	EXCEL.EXE
1956	EXCEL.EXE
1956	EXCEL.EXE
1956	EXCEL.EXE
1956	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 3016	1956	EXCEL.EXE	30
PID 1956 wrote to memory of 3016	1956	EXCEL.EXE	30
PID 1956 wrote to memory of 3016	1956	EXCEL.EXE	30
PID 1956 wrote to memory of 3016	1956	EXCEL.EXE	30
PID 1956 wrote to memory of 1612	1956	EXCEL.EXE	31
PID 1956 wrote to memory of 1612	1956	EXCEL.EXE	31
PID 1956 wrote to memory of 1612	1956	EXCEL.EXE	31
PID 1956 wrote to memory of 1612	1956	EXCEL.EXE	31
PID 1956 wrote to memory of 804	1956	EXCEL.EXE	32
PID 1956 wrote to memory of 804	1956	EXCEL.EXE	32
PID 1956 wrote to memory of 804	1956	EXCEL.EXE	32
PID 1956 wrote to memory of 804	1956	EXCEL.EXE	32
PID 3016 wrote to memory of 1764	3016	cmd.exe	35
PID 3016 wrote to memory of 1764	3016	cmd.exe	35
PID 3016 wrote to memory of 1764	3016	cmd.exe	35
PID 3016 wrote to memory of 1764	3016	cmd.exe	35

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1764	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—5 单位工程招标控制价汇总表.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:1956
- 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:3016
- - 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:1764
- 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:1612
- 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:804

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/1956-1-0x00000000724AD000-0x00000000724B8000-memory.dmp

Filesize
44KB

Download
memory/1956-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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memory/1956-2-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-5-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-7-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-17-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-19-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-22-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-24-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-30-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-31-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-23-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-167-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-21-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-29-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-27-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-28-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-100-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-77-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-67-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-54-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-25-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-26-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-20-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-18-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-16-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

Download
memory/1956-14-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

Download
memory/1956-15-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-13-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-11-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-9-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

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memory/1956-8-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

Download
memory/1956-6-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

Download
memory/1956-4-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

Download
memory/1956-3-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

Download
memory/1956-10-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

Download
memory/1956-331-0x00000000724AD000-0x00000000724B8000-memory.dmp

Filesize
44KB

Download
memory/1956-332-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

Download