5e808b0e704d42953a9a6b82cb13ec653fa478adf9b6fcf54a3067be969ee9a5

General

Target

5e808b0e704d42953a9a6b82cb13ec653fa478adf9b6fcf54a3067be969ee9a5.xls
Size

106KB
MD5

68675b965dd1d04373389f9b437e3a4d
SHA1

0d08ede81a2cc3e4d4781e1246e64d2bb1d37bb4
SHA256

5e808b0e704d42953a9a6b82cb13ec653fa478adf9b6fcf54a3067be969ee9a5
SHA512

99ac461be3d6e886b22febb8197905412ea7451834ed99acc65d3a11a38918fa531ddfdd24af1732aaa1dac22b30da2939ff098ebc2bea73e4d3de31b5efe184
SSDEEP

1536:3666OOFL5IEWVbrglkOQ7ITkR62Z8COU/WwF1J4M2M/MqLmEX31:6WVbrg5Q7ITk9yDW15kwF

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	3588	3920	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1656	3920	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1676	3920	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3920 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE
3920	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 3920 wrote to memory of 3588	3920	EXCEL.EXE	cmd.exe
PID 3920 wrote to memory of 3588	3920	EXCEL.EXE	cmd.exe
PID 3920 wrote to memory of 1656	3920	EXCEL.EXE	cmd.exe
PID 3920 wrote to memory of 1656	3920	EXCEL.EXE	cmd.exe
PID 3920 wrote to memory of 1676	3920	EXCEL.EXE	cmd.exe
PID 3920 wrote to memory of 1676	3920	EXCEL.EXE	cmd.exe
PID 3588 wrote to memory of 3360	3588	cmd.exe	attrib.exe
PID 3588 wrote to memory of 3360	3588	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

3360 attrib.exe

pid	process
3360	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\5e808b0e704d42953a9a6b82cb13ec653fa478adf9b6fcf54a3067be969ee9a5.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3920

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:3588

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:3360

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:1656

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:1676

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/1656-141-0x0000000000000000-mapping.dmp

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memory/1676-142-0x0000000000000000-mapping.dmp

Download
memory/3360-143-0x0000000000000000-mapping.dmp

Download
memory/3588-140-0x0000000000000000-mapping.dmp

Download
memory/3920-135-0x00007FFEB8610000-0x00007FFEB8620000-memory.dmp

Filesize
64KB

Download
memory/3920-137-0x00007FFEB5DC0000-0x00007FFEB5DD0000-memory.dmp

Filesize
64KB

Download
memory/3920-138-0x00007FFEB5DC0000-0x00007FFEB5DD0000-memory.dmp

Filesize
64KB

Download
memory/3920-139-0x000001A4045D6000-0x000001A4045D8000-memory.dmp

Filesize
8KB

Download
memory/3920-136-0x00007FFEB8610000-0x00007FFEB8620000-memory.dmp

Filesize
64KB

Download
memory/3920-132-0x00007FFEB8610000-0x00007FFEB8620000-memory.dmp

Filesize
64KB

Download
memory/3920-134-0x00007FFEB8610000-0x00007FFEB8620000-memory.dmp

Filesize
64KB

Download
memory/3920-133-0x00007FFEB8610000-0x00007FFEB8620000-memory.dmp

Filesize
64KB

Download
memory/3920-144-0x000001A4045D6000-0x000001A4045D8000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads