5b838d9c51ae74156d6b890e1428d448cf4fedb90f156c9210908f899ce20d61

Analysis

max time kernel
133s
max time network
143s
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—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

8^/10

defense_evasion macro xlm

Malware Config

Signatures

Suspicious Office macro 1 IoCs

Office document equipped with 4.0 macros.

macro xlm

resource	yara_rule
behavioral6/files/0x0004000000022a61-101.dat	office_xlm_macros

Deletes itself 1 IoCs

pid	Process
2588	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	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\AF575E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2588	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

pid	Process
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE
2588	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 5696	2588	EXCEL.EXE	92
PID 2588 wrote to memory of 5696	2588	EXCEL.EXE	92
PID 2588 wrote to memory of 3016	2588	EXCEL.EXE	93
PID 2588 wrote to memory of 3016	2588	EXCEL.EXE	93
PID 2588 wrote to memory of 4464	2588	EXCEL.EXE	94
PID 2588 wrote to memory of 4464	2588	EXCEL.EXE	94
PID 5696 wrote to memory of 2996	5696	cmd.exe	99
PID 5696 wrote to memory of 2996	5696	cmd.exe	99

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2996	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—5 单位工程招标控制价汇总表.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:2588
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:5696
- - C:\Windows\system32\attrib.exe
    attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
    3⤵
    - Views/modifies file attributes
    PID:2996
- 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⤵
  PID:3016
- 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⤵
  PID:4464

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\10#水窦\表3—5 单位工程招标控制价汇总表.xls

Filesize
117KB

MD5
4bcdf5930705ff78bafef6724cc12643

SHA1
a74ce4901bf1a43e6398bebe1dd3f3cf39bab3c9

SHA256
03b48d3b6cebef4777cedb4a4cc0cfe0a633943e3102aa97fa6ff937a8023110

SHA512
b216c06f69d8fe7ca1c8af2006f1067bd9c693fb47cf729e748a200f44c89e8cf4cf86d6cff006d1e7a1a2a5cf4e75952f2af8ea00f842dd9ec32d46b8fb012e

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

Filesize
664B

MD5
20b09b8dcf32b6ab814acc9217e4ed71

SHA1
1e5fa7a9759c4196f08c970570ba146b5b11f26d

SHA256
295668a34fb7858115eaafccab0cd4a8ca362b9c4b40de2615f178c3c9ce48f3

SHA512
f08c78feca89868e2a0037f704007811ef01a18eec57bba90f1bc4333f16f044ff6349f3e1a610db7f32cce32d4ceadadf8543623b9d1541a8d48dafa4ad3c47

Download Submit
memory/2588-7-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-6-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-19-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-22-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-23-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-21-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-20-0x00007FFAC3850000-0x00007FFAC3860000-memory.dmp

Filesize
64KB

Download
memory/2588-18-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-17-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-15-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-14-0x00007FFAC3850000-0x00007FFAC3860000-memory.dmp

Filesize
64KB

Download
memory/2588-12-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-11-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-10-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-9-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-8-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-16-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-0-0x00007FFB05C2D000-0x00007FFB05C2E000-memory.dmp

Filesize
4KB

Download
memory/2588-4-0x00007FFAC5C10000-0x00007FFAC5C20000-memory.dmp

Filesize
64KB

Download
memory/2588-67-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-69-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-70-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-13-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-68-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-55-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-54-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-44-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-46-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-3-0x00007FFAC5C10000-0x00007FFAC5C20000-memory.dmp

Filesize
64KB

Download
memory/2588-2-0x00007FFAC5C10000-0x00007FFAC5C20000-memory.dmp

Filesize
64KB

Download
memory/2588-1-0x00007FFAC5C10000-0x00007FFAC5C20000-memory.dmp

Filesize
64KB

Download
memory/2588-110-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-109-0x00007FFB05C2D000-0x00007FFB05C2E000-memory.dmp

Filesize
4KB

Download
memory/2588-111-0x00007FFB05B90000-0x00007FFB05D85000-memory.dmp

Filesize
2.0MB

Download
memory/2588-5-0x00007FFAC5C10000-0x00007FFAC5C20000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads