82045396adae19d6c23609ea48503d713c8319223a489c184acf98c8db665a98

General

Target

82045396adae19d6c23609ea48503d713c8319223a489c184acf98c8db665a98.xls
Size

103KB
MD5

95242f6a117e5c49d1fda466d1c9b484
SHA1

143a99bd309584decf81479e20ea186195b60110
SHA256

82045396adae19d6c23609ea48503d713c8319223a489c184acf98c8db665a98
SHA512

89a134b98f955715d039a1d6851be34448c82f9d5980ecd5a54d0a3b3094c08ce7931d15cc9cde073f2477791ee2d49bacd45b4f3aaddcd60c398350b1c7ed99
SSDEEP

1536:beeeqjqGeSFRYyNxfP2jcc0lbxOvTgZwIfrbWWt2XKCXA1:uGeORt2jcc0lbxOrojqaiA1

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	228	804	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4212	804	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1336	804	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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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\42375E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

804 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\42375E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE
804	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 804 wrote to memory of 228	804	EXCEL.EXE	cmd.exe
PID 804 wrote to memory of 228	804	EXCEL.EXE	cmd.exe
PID 804 wrote to memory of 4212	804	EXCEL.EXE	cmd.exe
PID 804 wrote to memory of 4212	804	EXCEL.EXE	cmd.exe
PID 804 wrote to memory of 1336	804	EXCEL.EXE	cmd.exe
PID 804 wrote to memory of 1336	804	EXCEL.EXE	cmd.exe
PID 228 wrote to memory of 4596	228	cmd.exe	attrib.exe
PID 228 wrote to memory of 4596	228	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4596 attrib.exe

pid	process
4596	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\82045396adae19d6c23609ea48503d713c8319223a489c184acf98c8db665a98.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:804

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:228

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:4596

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:4212

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:1336

C:\Windows\system32\werfault.exe
werfault.exe /h /shared Global\69f213eca67741bcb52ad7c83a8368f9 /t 4840 /p 804
1⤵
PID:580

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/228-139-0x0000000000000000-mapping.dmp

Download
memory/804-132-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/804-133-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/804-134-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/804-135-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/804-136-0x00007FFD1B230000-0x00007FFD1B240000-memory.dmp

Filesize
64KB

Download
memory/804-137-0x00007FFD188D0000-0x00007FFD188E0000-memory.dmp

Filesize
64KB

Download
memory/804-138-0x00007FFD188D0000-0x00007FFD188E0000-memory.dmp

Filesize
64KB

Download
memory/1336-141-0x0000000000000000-mapping.dmp

Download
memory/4212-140-0x0000000000000000-mapping.dmp

Download
memory/4596-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads