5b838d9c51ae74156d6b890e1428d448cf4fedb90f156c9210908f899ce20d61

Analysis

max time kernel
133s
max time network
133s
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/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 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	2212	4324	cmd.exe	86
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5180	4324	cmd.exe	86
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3420	4324	cmd.exe	86

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral28/files/0x00030000000230e6-107.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
4324	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\12#水窦\0A975E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4324	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
4324	EXCEL.EXE
4324	EXCEL.EXE
4324	EXCEL.EXE
4324	EXCEL.EXE
4324	EXCEL.EXE
4324	EXCEL.EXE
4324	EXCEL.EXE
4324	EXCEL.EXE
4324	EXCEL.EXE
4324	EXCEL.EXE
4324	EXCEL.EXE
4324	EXCEL.EXE
4324	EXCEL.EXE
4324	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 3420	4324	EXCEL.EXE	92
PID 4324 wrote to memory of 3420	4324	EXCEL.EXE	92
PID 4324 wrote to memory of 5180	4324	EXCEL.EXE	93
PID 4324 wrote to memory of 5180	4324	EXCEL.EXE	93
PID 4324 wrote to memory of 2212	4324	EXCEL.EXE	94
PID 4324 wrote to memory of 2212	4324	EXCEL.EXE	94
PID 3420 wrote to memory of 1312	3420	cmd.exe	98
PID 3420 wrote to memory of 1312	3420	cmd.exe	98

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1312	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\12#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:4324
- 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:3420
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:1312
- 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:5180
- 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:2212

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

Replay Monitor

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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\12#水窦\表3—6 分部分项工程计价表.xls

Filesize
120KB

MD5
d0da79de8c7b24688fb2c947b8c50535

SHA1
1c2a2f31fb52bf39f42975fafc84581e7fb8f65d

SHA256
ef321b60fe45dd8137c61e4d4a3e25562f80151395d543fbc05765e1875c4119

SHA512
0c4f62588b96b78d3e16e1e46546013721e66cd554ba0f8b62ef11fe618e23d035e5df04c35ee916db6f4126d3e34a73516abc2caa02d0b7a502b77117950053

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

Filesize
1KB

MD5
81f559b6b6f26f6e7a475c34499a95f7

SHA1
7e877cc0344a387047f67421a45f425a15e60ce9

SHA256
5c0ab2dcd388227eb8d6e8d322b40479cd18a1adfa8fd5eb88d34471351912bf

SHA512
46d388d80fbaf91971bc14f9e1c2d4ce1a5f3c25ad5b6c48896d458d8af81cf8ccaaefd5b5452c0cc31dd4c17e1e3a305415e99f27e162a8ec24d8532f971115

Download Submit
memory/4324-20-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-1-0x00007FFA63ACD000-0x00007FFA63ACE000-memory.dmp

Filesize
4KB

Download
memory/4324-0-0x00007FFA23AB0000-0x00007FFA23AC0000-memory.dmp

Filesize
64KB

Download
memory/4324-6-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-5-0x00007FFA23AB0000-0x00007FFA23AC0000-memory.dmp

Filesize
64KB

Download
memory/4324-8-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-7-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-9-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-10-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-11-0x00007FFA21420000-0x00007FFA21430000-memory.dmp

Filesize
64KB

Download
memory/4324-14-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-13-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-12-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-15-0x00007FFA21420000-0x00007FFA21430000-memory.dmp

Filesize
64KB

Download
memory/4324-17-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-16-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-19-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-3-0x00007FFA23AB0000-0x00007FFA23AC0000-memory.dmp

Filesize
64KB

Download
memory/4324-4-0x00007FFA23AB0000-0x00007FFA23AC0000-memory.dmp

Filesize
64KB

Download
memory/4324-61-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-64-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-73-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-60-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-59-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-79-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-75-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-58-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-57-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-18-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-109-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-110-0x00007FFA63ACD000-0x00007FFA63ACE000-memory.dmp

Filesize
4KB

Download
memory/4324-111-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-115-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-116-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-117-0x00007FFA63A30000-0x00007FFA63C25000-memory.dmp

Filesize
2.0MB

Download
memory/4324-2-0x00007FFA23AB0000-0x00007FFA23AC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads