95425c78fe7f9c2307ada7e240d49b30c2e0917de8443be8bf8f6e7c6afc32e3

General

Target

95425c78fe7f9c2307ada7e240d49b30c2e0917de8443be8bf8f6e7c6afc32e3.xls
Size

163KB
MD5

bfdd3fc607d391e0062e07ed77a7258f
SHA1

f9aec84f951706f44a855d6de7917f46a7301d08
SHA256

95425c78fe7f9c2307ada7e240d49b30c2e0917de8443be8bf8f6e7c6afc32e3
SHA512

002bf4c40adc54e63d140cc20c7a477200f2edb193f7a79c966b420ba72103cfdc13ad52151cdf3797532fe6e6309916d6cca5e4673a6202bf5aa3b0b7a4f75c
SSDEEP

3072:J7l6Nc7yRzs1H75wkZUgsFaX+9PwRnmh7WVbrzQ7ITk8SI3X1qi4:Nl6Nc7yRzs1H75wkZUgsFaX+9PwRnmhI

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	1628	4916	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5036	4916	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2032	4916	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4916 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE
4916	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4916 wrote to memory of 1628	4916	EXCEL.EXE	cmd.exe
PID 4916 wrote to memory of 1628	4916	EXCEL.EXE	cmd.exe
PID 4916 wrote to memory of 2032	4916	EXCEL.EXE	cmd.exe
PID 4916 wrote to memory of 2032	4916	EXCEL.EXE	cmd.exe
PID 4916 wrote to memory of 5036	4916	EXCEL.EXE	cmd.exe
PID 4916 wrote to memory of 5036	4916	EXCEL.EXE	cmd.exe
PID 1628 wrote to memory of 2612	1628	cmd.exe	attrib.exe
PID 1628 wrote to memory of 2612	1628	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

2612 attrib.exe

pid	process
2612	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\95425c78fe7f9c2307ada7e240d49b30c2e0917de8443be8bf8f6e7c6afc32e3.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4916

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:1628

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:2612

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:5036

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:2032

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/1628-139-0x0000000000000000-mapping.dmp

Download
memory/2032-140-0x0000000000000000-mapping.dmp

Download
memory/2612-142-0x0000000000000000-mapping.dmp

Download
memory/4916-138-0x00007FFBC7A10000-0x00007FFBC7A20000-memory.dmp

Filesize
64KB

Download
memory/4916-136-0x00007FFBCA370000-0x00007FFBCA380000-memory.dmp

Filesize
64KB

Download
memory/4916-137-0x00007FFBC7A10000-0x00007FFBC7A20000-memory.dmp

Filesize
64KB

Download
memory/4916-132-0x00007FFBCA370000-0x00007FFBCA380000-memory.dmp

Filesize
64KB

Download
memory/4916-135-0x00007FFBCA370000-0x00007FFBCA380000-memory.dmp

Filesize
64KB

Download
memory/4916-134-0x00007FFBCA370000-0x00007FFBCA380000-memory.dmp

Filesize
64KB

Download
memory/4916-133-0x00007FFBCA370000-0x00007FFBCA380000-memory.dmp

Filesize
64KB

Download
memory/4916-144-0x00007FFBCA370000-0x00007FFBCA380000-memory.dmp

Filesize
64KB

Download
memory/4916-145-0x00007FFBCA370000-0x00007FFBCA380000-memory.dmp

Filesize
64KB

Download
memory/4916-146-0x00007FFBCA370000-0x00007FFBCA380000-memory.dmp

Filesize
64KB

Download
memory/4916-147-0x00007FFBCA370000-0x00007FFBCA380000-memory.dmp

Filesize
64KB

Download
memory/5036-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads