5b838d9c51ae74156d6b890e1428d448cf4fedb90f156c9210908f899ce20d61

Analysis

max time kernel
133s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-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—6 分部分项工程计价表.xls
Size

81KB
MD5

1f5149706e222ccf2931e1e318b5a85c
SHA1

c4976b72b423112a50548d679e206e16ca73dd80
SHA256

c2c1f3de7093e47a560941f6f0eb09d38dce8cb1adc89bc20e67b72c13e07de3
SHA512

a8dff0d2e8e7272e2c5af8dffe1138c8053f990d38d60ea436424d778ee18a8d9b04bfd4bb5867dcd92d6e960610cec6b3f316f75bc3c95556370f18ce0dbdd9
SSDEEP

1536:xhx7NhKz2jcc0lbxOqTgZuIhY7nJdJoOd7cJtXw24j:02jcc0lbxOK22AJtXwrj

Score

10^/10

defense_evasion macro xlm

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\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3400	208	cmd.exe	85
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1224	208	cmd.exe	85
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4332	208	cmd.exe	85

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral8/files/0x0003000000022a21-103.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
208	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

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	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\01A75E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
208	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
208	EXCEL.EXE
208	EXCEL.EXE
208	EXCEL.EXE
208	EXCEL.EXE
208	EXCEL.EXE
208	EXCEL.EXE
208	EXCEL.EXE
208	EXCEL.EXE
208	EXCEL.EXE
208	EXCEL.EXE
208	EXCEL.EXE
208	EXCEL.EXE
208	EXCEL.EXE
208	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 4332	208	EXCEL.EXE	90
PID 208 wrote to memory of 4332	208	EXCEL.EXE	90
PID 208 wrote to memory of 1224	208	EXCEL.EXE	91
PID 208 wrote to memory of 1224	208	EXCEL.EXE	91
PID 208 wrote to memory of 3400	208	EXCEL.EXE	92
PID 208 wrote to memory of 3400	208	EXCEL.EXE	92
PID 4332 wrote to memory of 3344	4332	cmd.exe	96
PID 4332 wrote to memory of 3344	4332	cmd.exe	96

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
3344	attrib.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "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—6 分部分项工程计价表.xls"
1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:208
- C:\Windows\system32\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
  - Suspicious use of WriteProcessMemory
  PID:4332
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:3344
- C:\Windows\system32\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
  PID:1224
- C:\Windows\system32\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
  PID:3400

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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—6 分部分项工程计价表.xls

Filesize
120KB

MD5
9070ae5546310a5742db006a47d2b35c

SHA1
8dee6ffc9ab43dccfb2ba8f62aa65afb017e7d3c

SHA256
53923dde6b6fdafcfd7f975e57defb948c2a504d6af48eba26e3d27a292f6b14

SHA512
5685312c37a090f99569fef6f13f2a8977ba2369b11e8ec407d76218f80eee595129c17dc8a4f4b6f7d1db0a24103e193b84920c980b061ba05b118834a31f36

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

Filesize
1KB

MD5
38524bf3c5dbb3301cb1b993bf634071

SHA1
976e41e3e694fc95659312a0beb97e8550824b0b

SHA256
41679bad29848a52914f6d295b08ae08f2f0c71a3768f2b543d2218cad052b48

SHA512
9353dc8f8d7b7dc5b836508423ed28b34a6ce531e025eacc45bcbd98672ac59fd4b556f3fc08342efcb1c383b033dcece9632cc5987579fdb36da14cf89624cd

Download Submit
memory/208-15-0x00007FFB03490000-0x00007FFB034A0000-memory.dmp

Filesize
64KB

Download
memory/208-21-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-5-0x00007FFB05B90000-0x00007FFB05BA0000-memory.dmp

Filesize
64KB

Download
memory/208-4-0x00007FFB05B90000-0x00007FFB05BA0000-memory.dmp

Filesize
64KB

Download
memory/208-7-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-8-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-10-0x00007FFB03490000-0x00007FFB034A0000-memory.dmp

Filesize
64KB

Download
memory/208-9-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-20-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-12-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-11-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-14-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-16-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-17-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-3-0x00007FFB05B90000-0x00007FFB05BA0000-memory.dmp

Filesize
64KB

Download
memory/208-2-0x00007FFB05B90000-0x00007FFB05BA0000-memory.dmp

Filesize
64KB

Download
memory/208-6-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-19-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-18-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-13-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-61-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-60-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-59-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-58-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-57-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-56-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-1-0x00007FFB45BAD000-0x00007FFB45BAE000-memory.dmp

Filesize
4KB

Download
memory/208-105-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-106-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-110-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-111-0x00007FFB45B10000-0x00007FFB45D05000-memory.dmp

Filesize
2.0MB

Download
memory/208-0-0x00007FFB05B90000-0x00007FFB05BA0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads