9c61948c892b5365ef02363b309f10da5916748e4da27acfb9386e02974d9899

General

Target

9c61948c892b5365ef02363b309f10da5916748e4da27acfb9386e02974d9899.xls
Size

102KB
MD5

bcd93d5d501b3d310bda5e16146e56a3
SHA1

c5eb8d988c32ea4c86c7ac02f3ed1c6d73fc61bd
SHA256

9c61948c892b5365ef02363b309f10da5916748e4da27acfb9386e02974d9899
SHA512

bae554b45049fc599a1383705641c6821a5e857b33cffbe12895a65e2e5a224e4b56a81dc93ddc6defbfffe34d22bd15dfb9da7749cf54ef55250a5638a7a045
SSDEEP

1536:8tttB3DgcYuWYWWVbrzlf7ITkR62lGM88wcJtXwRpM2M/MJkd8G:hWVbrzV7ITk9tjDJtXwk5k6dN

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	3652	3144	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3568	3144	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1440	3144	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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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\6F075E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3144 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\6F075E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

EXCEL.EXE

pid	process
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE
3144	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 3144 wrote to memory of 3652	3144	EXCEL.EXE	cmd.exe
PID 3144 wrote to memory of 3652	3144	EXCEL.EXE	cmd.exe
PID 3144 wrote to memory of 3568	3144	EXCEL.EXE	cmd.exe
PID 3144 wrote to memory of 3568	3144	EXCEL.EXE	cmd.exe
PID 3144 wrote to memory of 1440	3144	EXCEL.EXE	cmd.exe
PID 3144 wrote to memory of 1440	3144	EXCEL.EXE	cmd.exe
PID 3652 wrote to memory of 4628	3652	cmd.exe	attrib.exe
PID 3652 wrote to memory of 4628	3652	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4628 attrib.exe

pid	process
4628	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\9c61948c892b5365ef02363b309f10da5916748e4da27acfb9386e02974d9899.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:3144

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:3652

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:4628

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:3568

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:1440

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/1440-141-0x0000000000000000-mapping.dmp

Download
memory/3144-135-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3144-144-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3144-132-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3144-136-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3144-137-0x00007FFC232B0000-0x00007FFC232C0000-memory.dmp

Filesize
64KB

Download
memory/3144-138-0x00007FFC232B0000-0x00007FFC232C0000-memory.dmp

Filesize
64KB

Download
memory/3144-147-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3144-146-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3144-133-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3144-145-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3144-134-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3568-140-0x0000000000000000-mapping.dmp

Download
memory/3652-139-0x0000000000000000-mapping.dmp

Download
memory/4628-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads