56d7e424514d55c68847833f16ffe8052b9ac683cc47e8c5ade3b398916ae5cf

General

Target

56d7e424514d55c68847833f16ffe8052b9ac683cc47e8c5ade3b398916ae5cf.xls
Size

114KB
MD5

e58e1afc01e7a802287a298c3c008aa0
SHA1

4910b7fbd284777a487e5ad37c717d638dfbf169
SHA256

56d7e424514d55c68847833f16ffe8052b9ac683cc47e8c5ade3b398916ae5cf
SHA512

7abd31d0d137eee2fc31c295dff761a8b15624db2ab11f7828146e8b8a4b257d47d17eac810805831f032e1d0063ef2ec8ba65051b5b13199acc7a2341789756
SSDEEP

3072:GZl6Nc7yRzs1H75wkZUgs6zEOSq6/cgf+WVbrzQsqewITk9yEdJtXwnv4OBWe:4l6Nc7yRzs1H75wkZUgs6zEOSq6/cgf/

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	3788	3616	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2544	3616	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1220	3616	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\93575E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3616 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\93575E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

EXCEL.EXE

pid	process
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE
3616	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 3616 wrote to memory of 3788	3616	EXCEL.EXE	cmd.exe
PID 3616 wrote to memory of 3788	3616	EXCEL.EXE	cmd.exe
PID 3616 wrote to memory of 2544	3616	EXCEL.EXE	cmd.exe
PID 3616 wrote to memory of 2544	3616	EXCEL.EXE	cmd.exe
PID 3616 wrote to memory of 1220	3616	EXCEL.EXE	cmd.exe
PID 3616 wrote to memory of 1220	3616	EXCEL.EXE	cmd.exe
PID 3788 wrote to memory of 1824	3788	cmd.exe	attrib.exe
PID 3788 wrote to memory of 1824	3788	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1824 attrib.exe

pid	process
1824	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\56d7e424514d55c68847833f16ffe8052b9ac683cc47e8c5ade3b398916ae5cf.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:3616

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:3788

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1824

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:2544

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:1220

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/1220-142-0x0000000000000000-mapping.dmp

Download
memory/1824-143-0x0000000000000000-mapping.dmp

Download
memory/2544-141-0x0000000000000000-mapping.dmp

Download
memory/3616-145-0x000002ADECB88000-0x000002ADECB8A000-memory.dmp

Filesize
8KB

Download
memory/3616-134-0x00007FFEADD50000-0x00007FFEADD60000-memory.dmp

Filesize
64KB

Download
memory/3616-137-0x00007FFEAB800000-0x00007FFEAB810000-memory.dmp

Filesize
64KB

Download
memory/3616-138-0x00007FFEAB800000-0x00007FFEAB810000-memory.dmp

Filesize
64KB

Download
memory/3616-139-0x000002ADECB88000-0x000002ADECB8A000-memory.dmp

Filesize
8KB

Download
memory/3616-151-0x00007FFEADD50000-0x00007FFEADD60000-memory.dmp

Filesize
64KB

Download
memory/3616-135-0x00007FFEADD50000-0x00007FFEADD60000-memory.dmp

Filesize
64KB

Download
memory/3616-136-0x00007FFEADD50000-0x00007FFEADD60000-memory.dmp

Filesize
64KB

Download
memory/3616-133-0x00007FFEADD50000-0x00007FFEADD60000-memory.dmp

Filesize
64KB

Download
memory/3616-132-0x00007FFEADD50000-0x00007FFEADD60000-memory.dmp

Filesize
64KB

Download
memory/3616-144-0x000002ADECDF0000-0x000002ADECDF2000-memory.dmp

Filesize
8KB

Download
memory/3616-146-0x000002ADECDF0000-0x000002ADECDF2000-memory.dmp

Filesize
8KB

Download
memory/3616-148-0x00007FFEADD50000-0x00007FFEADD60000-memory.dmp

Filesize
64KB

Download
memory/3616-149-0x00007FFEADD50000-0x00007FFEADD60000-memory.dmp

Filesize
64KB

Download
memory/3616-150-0x00007FFEADD50000-0x00007FFEADD60000-memory.dmp

Filesize
64KB

Download
memory/3788-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads