c08340e867306c0f662f9564dc9f3658636989be49efed27d58392ab59e91b88

General

Target

c08340e867306c0f662f9564dc9f3658636989be49efed27d58392ab59e91b88.xls
Size

96KB
MD5

367cd7e79159279583713efa65d3d6da
SHA1

cd55fe65896e6b62cc9ee1a9aa78efd2bbf29983
SHA256

c08340e867306c0f662f9564dc9f3658636989be49efed27d58392ab59e91b88
SHA512

49afc44fb7ec788f492ecb4504b748c7cb9c2ea188388ef92a88aed5ffddecb9a04f3ef3f8a5e3ea4304ee3093c7d8c06292a2e20d058af0d354855d748dde1a
SSDEEP

1536:LOOOOoV4Ai72WVbreQmKYQ7ITkiD2EmO/WKF1pSmSM2M/M0Gy:SfWVbreDpQ7ITkDHCVl5kly

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	3928	2108	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4384	2108	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1488	2108	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\82585E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2108 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\82585E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

EXCEL.EXE

pid	process
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE
2108	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 2108 wrote to memory of 3928	2108	EXCEL.EXE	cmd.exe
PID 2108 wrote to memory of 3928	2108	EXCEL.EXE	cmd.exe
PID 2108 wrote to memory of 4384	2108	EXCEL.EXE	cmd.exe
PID 2108 wrote to memory of 4384	2108	EXCEL.EXE	cmd.exe
PID 2108 wrote to memory of 1488	2108	EXCEL.EXE	cmd.exe
PID 2108 wrote to memory of 1488	2108	EXCEL.EXE	cmd.exe
PID 3928 wrote to memory of 4584	3928	cmd.exe	attrib.exe
PID 3928 wrote to memory of 4584	3928	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4584 attrib.exe

pid	process
4584	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\c08340e867306c0f662f9564dc9f3658636989be49efed27d58392ab59e91b88.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:2108

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:3928

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:4584

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:4384

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:1488

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/1488-141-0x0000000000000000-mapping.dmp

Download
memory/2108-135-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

Filesize
64KB

Download
memory/2108-134-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

Filesize
64KB

Download
memory/2108-132-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

Filesize
64KB

Download
memory/2108-136-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

Filesize
64KB

Download
memory/2108-137-0x00007FFDD0F00000-0x00007FFDD0F10000-memory.dmp

Filesize
64KB

Download
memory/2108-138-0x00007FFDD0F00000-0x00007FFDD0F10000-memory.dmp

Filesize
64KB

Download
memory/2108-133-0x00007FFDD3350000-0x00007FFDD3360000-memory.dmp

Filesize
64KB

Download
memory/2108-143-0x0000018EC178C000-0x0000018EC178E000-memory.dmp

Filesize
8KB

Download
memory/2108-144-0x0000018EC178C000-0x0000018EC178E000-memory.dmp

Filesize
8KB

Download
memory/3928-139-0x0000000000000000-mapping.dmp

Download
memory/4384-140-0x0000000000000000-mapping.dmp

Download
memory/4584-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads