fee56268d3560caa41a6955ddc97b29578794be22e334013299f6aee4bf6dd44

General

Target

fee56268d3560caa41a6955ddc97b29578794be22e334013299f6aee4bf6dd44.xls
Size

142KB
MD5

a02df9c9b2c39cbc116b75f4298360d1
SHA1

d1a23543c9e2d6c7bcc78dd059e8ec2209a139ed
SHA256

fee56268d3560caa41a6955ddc97b29578794be22e334013299f6aee4bf6dd44
SHA512

875990d0d45623c1e7b46b23848fd0ac2ff12a6d03c7a488d3717fcd40198cca59cbf295203230794232217c16df463b4d1556f3fd5af94e09ce08c47a13601e
SSDEEP

3072:Rbl6Nc7yRzs1H75wkZUgsQ6NqTBun5ooKaL3i2jcc0lbxOrU5vnD:Vl6Nc7yRzs1H75wkZUgsQ6NqTBun5o14

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	4532	792	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3184	792	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3956	792	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 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\6F285E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

792 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\6F285E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
792	EXCEL.EXE
792	EXCEL.EXE
792	EXCEL.EXE
792	EXCEL.EXE
792	EXCEL.EXE
792	EXCEL.EXE
792	EXCEL.EXE
792	EXCEL.EXE
792	EXCEL.EXE
792	EXCEL.EXE
792	EXCEL.EXE
792	EXCEL.EXE
792	EXCEL.EXE
792	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 792 wrote to memory of 4532	792	EXCEL.EXE	cmd.exe
PID 792 wrote to memory of 4532	792	EXCEL.EXE	cmd.exe
PID 792 wrote to memory of 3184	792	EXCEL.EXE	cmd.exe
PID 792 wrote to memory of 3184	792	EXCEL.EXE	cmd.exe
PID 792 wrote to memory of 3956	792	EXCEL.EXE	cmd.exe
PID 792 wrote to memory of 3956	792	EXCEL.EXE	cmd.exe
PID 4532 wrote to memory of 2448	4532	cmd.exe	attrib.exe
PID 4532 wrote to memory of 2448	4532	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

2448 attrib.exe

pid	process
2448	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\fee56268d3560caa41a6955ddc97b29578794be22e334013299f6aee4bf6dd44.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:792

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:4532

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:2448

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:3184

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:3956

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/792-138-0x00007FFC773B0000-0x00007FFC773C0000-memory.dmp

Filesize
64KB

Download
memory/792-144-0x00007FFC794B0000-0x00007FFC794C0000-memory.dmp

Filesize
64KB

Download
memory/792-134-0x00007FFC794B0000-0x00007FFC794C0000-memory.dmp

Filesize
64KB

Download
memory/792-135-0x00007FFC794B0000-0x00007FFC794C0000-memory.dmp

Filesize
64KB

Download
memory/792-136-0x00007FFC794B0000-0x00007FFC794C0000-memory.dmp

Filesize
64KB

Download
memory/792-137-0x00007FFC773B0000-0x00007FFC773C0000-memory.dmp

Filesize
64KB

Download
memory/792-133-0x00007FFC794B0000-0x00007FFC794C0000-memory.dmp

Filesize
64KB

Download
memory/792-147-0x00007FFC794B0000-0x00007FFC794C0000-memory.dmp

Filesize
64KB

Download
memory/792-132-0x00007FFC794B0000-0x00007FFC794C0000-memory.dmp

Filesize
64KB

Download
memory/792-146-0x00007FFC794B0000-0x00007FFC794C0000-memory.dmp

Filesize
64KB

Download
memory/792-145-0x00007FFC794B0000-0x00007FFC794C0000-memory.dmp

Filesize
64KB

Download
memory/2448-142-0x0000000000000000-mapping.dmp

Download
memory/3184-140-0x0000000000000000-mapping.dmp

Download
memory/3956-141-0x0000000000000000-mapping.dmp

Download
memory/4532-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads