686afc6fb753f15bed690defac787693d35a4afe6c8ac2709d8c53bfad119df8

General

Target

f60f404494766df289220f643e5ca730.xls
Size

364KB
MD5

f60f404494766df289220f643e5ca730
SHA1

386d63dc8623b901e02293e107dc58f280c09823
SHA256

686afc6fb753f15bed690defac787693d35a4afe6c8ac2709d8c53bfad119df8
SHA512

fe0d72f44a233bdea685daeb740285b82861b8e016e8e9b2ec405afb2b27f71f64b723e80eb49bc3a3f9a92065444fd2b3096368ec008ebd7bc8915352fd39b2
SSDEEP

3072:cXBlllllllllllllllllllllllllXO7WXW1+cCUQCiWqAZffIXdHMnIr2FhqDow2:j7WXWkWvfhWYlF73k

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	612	3576	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2320	3576	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1960	3576	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\11D65E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3576 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\11D65E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE
3576	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 3576 wrote to memory of 612	3576	EXCEL.EXE	cmd.exe
PID 3576 wrote to memory of 612	3576	EXCEL.EXE	cmd.exe
PID 3576 wrote to memory of 2320	3576	EXCEL.EXE	cmd.exe
PID 3576 wrote to memory of 2320	3576	EXCEL.EXE	cmd.exe
PID 3576 wrote to memory of 1960	3576	EXCEL.EXE	cmd.exe
PID 3576 wrote to memory of 1960	3576	EXCEL.EXE	cmd.exe
PID 612 wrote to memory of 4220	612	cmd.exe	attrib.exe
PID 612 wrote to memory of 4220	612	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4220 attrib.exe

pid	process
4220	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\f60f404494766df289220f643e5ca730.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:3576

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:612

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:4220

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:2320

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:1960

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

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Downloads

memory/612-139-0x0000000000000000-mapping.dmp

Download
memory/1960-141-0x0000000000000000-mapping.dmp

Download
memory/2320-140-0x0000000000000000-mapping.dmp

Download
memory/3576-135-0x00007FFC45150000-0x00007FFC45160000-memory.dmp

Filesize
64KB

Download
memory/3576-136-0x00007FFC45150000-0x00007FFC45160000-memory.dmp

Filesize
64KB

Download
memory/3576-137-0x00007FFC42D80000-0x00007FFC42D90000-memory.dmp

Filesize
64KB

Download
memory/3576-138-0x00007FFC42D80000-0x00007FFC42D90000-memory.dmp

Filesize
64KB

Download
memory/3576-132-0x00007FFC45150000-0x00007FFC45160000-memory.dmp

Filesize
64KB

Download
memory/3576-134-0x00007FFC45150000-0x00007FFC45160000-memory.dmp

Filesize
64KB

Download
memory/3576-133-0x00007FFC45150000-0x00007FFC45160000-memory.dmp

Filesize
64KB

Download
memory/3576-144-0x00007FFC45150000-0x00007FFC45160000-memory.dmp

Filesize
64KB

Download
memory/3576-145-0x00007FFC45150000-0x00007FFC45160000-memory.dmp

Filesize
64KB

Download
memory/3576-146-0x00007FFC45150000-0x00007FFC45160000-memory.dmp

Filesize
64KB

Download
memory/3576-147-0x00007FFC45150000-0x00007FFC45160000-memory.dmp

Filesize
64KB

Download
memory/4220-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads