5b838d9c51ae74156d6b890e1428d448cf4fedb90f156c9210908f899ce20d61

Analysis

max time kernel
119s
max time network
121s
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/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

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	2376	1508	cmd.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2428	1508	cmd.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	856	1508	cmd.exe	30

Deletes itself 1 IoCs

pid	Process
1508	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.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\11#水窦\08E67F00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1508	EXCEL.EXE

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1508	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1508	EXCEL.EXE
1508	EXCEL.EXE
1508	EXCEL.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 856	1508	EXCEL.EXE	31
PID 1508 wrote to memory of 856	1508	EXCEL.EXE	31
PID 1508 wrote to memory of 856	1508	EXCEL.EXE	31
PID 1508 wrote to memory of 856	1508	EXCEL.EXE	31
PID 1508 wrote to memory of 2428	1508	EXCEL.EXE	32
PID 1508 wrote to memory of 2428	1508	EXCEL.EXE	32
PID 1508 wrote to memory of 2428	1508	EXCEL.EXE	32
PID 1508 wrote to memory of 2428	1508	EXCEL.EXE	32
PID 1508 wrote to memory of 2376	1508	EXCEL.EXE	33
PID 1508 wrote to memory of 2376	1508	EXCEL.EXE	33
PID 1508 wrote to memory of 2376	1508	EXCEL.EXE	33
PID 1508 wrote to memory of 2376	1508	EXCEL.EXE	33
PID 856 wrote to memory of 2364	856	cmd.exe	37
PID 856 wrote to memory of 2364	856	cmd.exe	37
PID 856 wrote to memory of 2364	856	cmd.exe	37
PID 856 wrote to memory of 2364	856	cmd.exe	37

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2364	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\11#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:1508
- 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:856
- - 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:2364
- 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:2428
- 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:2376

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/1508-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1508-1-0x00000000722ED000-0x00000000722F8000-memory.dmp

Filesize
44KB

Download
memory/1508-5-0x00000000063C0000-0x00000000064C0000-memory.dmp

Filesize
1024KB

Download
memory/1508-77-0x00000000063C0000-0x00000000064C0000-memory.dmp

Filesize
1024KB

Download
memory/1508-76-0x00000000063C0000-0x00000000064C0000-memory.dmp

Filesize
1024KB

Download
memory/1508-40-0x00000000063C0000-0x00000000064C0000-memory.dmp

Filesize
1024KB

Download
memory/1508-166-0x00000000063C0000-0x00000000064C0000-memory.dmp

Filesize
1024KB

Download
memory/1508-331-0x00000000722ED000-0x00000000722F8000-memory.dmp

Filesize
44KB

Download
memory/1508-332-0x00000000063C0000-0x00000000064C0000-memory.dmp

Filesize
1024KB

Download