6dd3bb33c666e7c81be63e218f26c88f77eee70a65524ff37c148c4da3573362

General

Target

6dd3bb33c666e7c81be63e218f26c88f77eee70a65524ff37c148c4da3573362.xls
Size

91KB
MD5

b058cb31647157b7580b0c437ecac2ef
SHA1

a4abd2d31aadf839a19cb2ab8a79d98991bee167
SHA256

6dd3bb33c666e7c81be63e218f26c88f77eee70a65524ff37c148c4da3573362
SHA512

d5f017d960e71d453fe55255d72eb5d031b945e7eafabd0d6c75179059f6f7c17020fcebfca2ada982ee761b04824061526468fba37ea5361aaeb5ae41e4aaa3
SSDEEP

1536:yiiiG4ebPv9WVHrzQ7ITkcKo62lGM88SdJtXw9x2dqRE:GWVHrzQ7ITkqtjIJtXw72dqRE

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	984	4624	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1048	4624	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2908	4624	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4624 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE
4624	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4624 wrote to memory of 984	4624	EXCEL.EXE	cmd.exe
PID 4624 wrote to memory of 984	4624	EXCEL.EXE	cmd.exe
PID 4624 wrote to memory of 1048	4624	EXCEL.EXE	cmd.exe
PID 4624 wrote to memory of 1048	4624	EXCEL.EXE	cmd.exe
PID 4624 wrote to memory of 2908	4624	EXCEL.EXE	cmd.exe
PID 4624 wrote to memory of 2908	4624	EXCEL.EXE	cmd.exe
PID 984 wrote to memory of 3464	984	cmd.exe	attrib.exe
PID 984 wrote to memory of 3464	984	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

3464 attrib.exe

pid	process
3464	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\6dd3bb33c666e7c81be63e218f26c88f77eee70a65524ff37c148c4da3573362.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4624

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:984

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:3464

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:1048

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:2908

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

Loading Replay Monitor...

Downloads

memory/984-141-0x0000000000000000-mapping.dmp

Download
memory/1048-142-0x0000000000000000-mapping.dmp

Download
memory/2908-143-0x0000000000000000-mapping.dmp

Download
memory/3464-144-0x0000000000000000-mapping.dmp

Download
memory/4624-137-0x00007FFDC1830000-0x00007FFDC1840000-memory.dmp

Filesize
64KB

Download
memory/4624-134-0x00007FFDC3D50000-0x00007FFDC3D60000-memory.dmp

Filesize
64KB

Download
memory/4624-138-0x00007FFDC1830000-0x00007FFDC1840000-memory.dmp

Filesize
64KB

Download
memory/4624-139-0x0000016B52ED7000-0x0000016B52ED9000-memory.dmp

Filesize
8KB

Download
memory/4624-140-0x0000016B52ED5000-0x0000016B52ED7000-memory.dmp

Filesize
8KB

Download
memory/4624-136-0x00007FFDC3D50000-0x00007FFDC3D60000-memory.dmp

Filesize
64KB

Download
memory/4624-135-0x00007FFDC3D50000-0x00007FFDC3D60000-memory.dmp

Filesize
64KB

Download
memory/4624-132-0x00007FFDC3D50000-0x00007FFDC3D60000-memory.dmp

Filesize
64KB

Download
memory/4624-133-0x00007FFDC3D50000-0x00007FFDC3D60000-memory.dmp

Filesize
64KB

Download
memory/4624-145-0x0000016B52ED5000-0x0000016B52ED7000-memory.dmp

Filesize
8KB

Download
memory/4624-147-0x0000016B52ED5000-0x0000016B52ED7000-memory.dmp

Filesize
8KB

Download
memory/4624-146-0x0000016B52ED7000-0x0000016B52ED9000-memory.dmp

Filesize
8KB

Download
memory/4624-149-0x00007FFDC3D50000-0x00007FFDC3D60000-memory.dmp

Filesize
64KB

Download
memory/4624-150-0x00007FFDC3D50000-0x00007FFDC3D60000-memory.dmp

Filesize
64KB

Download
memory/4624-151-0x00007FFDC3D50000-0x00007FFDC3D60000-memory.dmp

Filesize
64KB

Download
memory/4624-152-0x00007FFDC3D50000-0x00007FFDC3D60000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads