e9a46e847bd6cb85fcf4c36779b54e2efb39149854b9cdabe35b26904bd19f2c

General

Target

2014年自治区公开考试录用公务员阿勒泰地区新增社会保险局职位表.xls
Size

91KB
MD5

6e0d34564c64af625bd9642bdc8777dd
SHA1

3505949f52fd308d458bae99bf4a06aff8fa3815
SHA256

c0e4122ad7718c4c853d56038390a2958297444a4a88f9a773df325c907d6d07
SHA512

5f433844bbd4e8e1f2eb9b2777bd2c568acdddcc87f1ca70d5a18e937a9e5591d3bb3ab4dfe3cc613a12e34fd7b5b5e0dcdbd5b302c7f8107fa79d7bd3846ecf
SSDEEP

1536:hkkkkIwU8OgPJlHTr2jcc0lbxOvTgZH4cY7nJdFoOGIWgt2XKBwu:HPJJ2jcc0lbxOrtpyamu

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 3 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

cmd.execmd.execmd.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2268	1536	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3496	1536	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1980	1536	cmd.exe	EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\FF485E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1536 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\FF485E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1536	EXCEL.EXE
1536	EXCEL.EXE
1536	EXCEL.EXE
1536	EXCEL.EXE
1536	EXCEL.EXE
1536	EXCEL.EXE
1536	EXCEL.EXE
1536	EXCEL.EXE
1536	EXCEL.EXE
1536	EXCEL.EXE
1536	EXCEL.EXE
1536	EXCEL.EXE
1536	EXCEL.EXE
1536	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1536 wrote to memory of 2268	1536	EXCEL.EXE	cmd.exe
PID 1536 wrote to memory of 2268	1536	EXCEL.EXE	cmd.exe
PID 1536 wrote to memory of 3496	1536	EXCEL.EXE	cmd.exe
PID 1536 wrote to memory of 3496	1536	EXCEL.EXE	cmd.exe
PID 1536 wrote to memory of 1980	1536	EXCEL.EXE	cmd.exe
PID 1536 wrote to memory of 1980	1536	EXCEL.EXE	cmd.exe
PID 2268 wrote to memory of 704	2268	cmd.exe	attrib.exe
PID 2268 wrote to memory of 704	2268	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

704 attrib.exe

pid	process
704	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\2014年自治区公开考试录用公务员阿勒泰地区新增社会保险局职位表.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1536

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:2268

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:704

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:3496

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:1980

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/704-142-0x0000000000000000-mapping.dmp

Download
memory/1536-132-0x00007FFF5A410000-0x00007FFF5A420000-memory.dmp

Filesize
64KB

Download
memory/1536-133-0x00007FFF5A410000-0x00007FFF5A420000-memory.dmp

Filesize
64KB

Download
memory/1536-134-0x00007FFF5A410000-0x00007FFF5A420000-memory.dmp

Filesize
64KB

Download
memory/1536-135-0x00007FFF5A410000-0x00007FFF5A420000-memory.dmp

Filesize
64KB

Download
memory/1536-136-0x00007FFF5A410000-0x00007FFF5A420000-memory.dmp

Filesize
64KB

Download
memory/1536-137-0x00007FFF58060000-0x00007FFF58070000-memory.dmp

Filesize
64KB

Download
memory/1536-138-0x00007FFF58060000-0x00007FFF58070000-memory.dmp

Filesize
64KB

Download
memory/1980-141-0x0000000000000000-mapping.dmp

Download
memory/2268-139-0x0000000000000000-mapping.dmp

Download
memory/3496-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads