08b2447843c17b0a208a21947b331dffcee0baa9bd0d5d859b76a9cf0c432392

General

Target

08b2447843c17b0a208a21947b331dffcee0baa9bd0d5d859b76a9cf0c432392.xls
Size

96KB
MD5

2cccc0961e103aa986602a279d6242e8
SHA1

7c3d3a1d5d7f84baaf83068fcf6075c0cc675510
SHA256

08b2447843c17b0a208a21947b331dffcee0baa9bd0d5d859b76a9cf0c432392
SHA512

04cad608a49dccdc527bc8ca594f92441c42cf10dd56ab1365836bbe71367d28cd662a05b636bbee0b303138245dfbe01d12eeee19668f990da77cbae0b61414
SSDEEP

3072:Jd1gxv7yZmspH7+cclKisPI4ukoRWGN6WVbrzQ7ITkFIBAww33XjUJtXwm:X1gxv7yZmspH7+cclKisPI4ukoRWGNc+

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	5016	2604	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	380	2604	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2088	2604	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\D0075E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2604 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\D0075E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
2604	EXCEL.EXE
2604	EXCEL.EXE
2604	EXCEL.EXE
2604	EXCEL.EXE
2604	EXCEL.EXE
2604	EXCEL.EXE
2604	EXCEL.EXE
2604	EXCEL.EXE
2604	EXCEL.EXE
2604	EXCEL.EXE
2604	EXCEL.EXE
2604	EXCEL.EXE
2604	EXCEL.EXE
2604	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 2604 wrote to memory of 3428	2604	EXCEL.EXE	splwow64.exe
PID 2604 wrote to memory of 3428	2604	EXCEL.EXE	splwow64.exe
PID 2604 wrote to memory of 5016	2604	EXCEL.EXE	cmd.exe
PID 2604 wrote to memory of 5016	2604	EXCEL.EXE	cmd.exe
PID 2604 wrote to memory of 380	2604	EXCEL.EXE	cmd.exe
PID 2604 wrote to memory of 380	2604	EXCEL.EXE	cmd.exe
PID 2604 wrote to memory of 2088	2604	EXCEL.EXE	cmd.exe
PID 2604 wrote to memory of 2088	2604	EXCEL.EXE	cmd.exe
PID 5016 wrote to memory of 1408	5016	cmd.exe	attrib.exe
PID 5016 wrote to memory of 1408	5016	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1408 attrib.exe

pid	process
1408	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\08b2447843c17b0a208a21947b331dffcee0baa9bd0d5d859b76a9cf0c432392.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:2604

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:3428

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:5016

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1408

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:380

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:2088

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4436

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/380-141-0x0000000000000000-mapping.dmp

Download
memory/1408-143-0x0000000000000000-mapping.dmp

Download
memory/2088-142-0x0000000000000000-mapping.dmp

Download
memory/2604-136-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/2604-132-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/2604-137-0x00007FFC232B0000-0x00007FFC232C0000-memory.dmp

Filesize
64KB

Download
memory/2604-138-0x00007FFC232B0000-0x00007FFC232C0000-memory.dmp

Filesize
64KB

Download
memory/2604-135-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/2604-134-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/2604-133-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/2604-147-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/2604-146-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/2604-145-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/2604-148-0x00007FFC25C10000-0x00007FFC25C20000-memory.dmp

Filesize
64KB

Download
memory/3428-139-0x0000000000000000-mapping.dmp

Download
memory/5016-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads