9b5d412f58c74d052492defd3e1e84b1c9d239c82a7d49fdc6373c8402a6b567

General

Target

9b5d412f58c74d052492defd3e1e84b1c9d239c82a7d49fdc6373c8402a6b567.xls
Size

191KB
MD5

2adbd8d924a420631b9dda7e5218e750
SHA1

135d6d452634523961ef47d69e562412576d24c7
SHA256

9b5d412f58c74d052492defd3e1e84b1c9d239c82a7d49fdc6373c8402a6b567
SHA512

b52d6cbc4493e5d4d9fd3b800727cf38555d4f9db36390a9461ad302d3970c74b8448deea4e2f4dd6cfe6cc9d7c7638a5e935b24074c13595de8987ea5f738a0
SSDEEP

3072:S9stAbJJJOjf2eVeWoaPCkrPaQ49w+AKuWVbrzQ7ITk9pISaz5kuU6P:+s4J0PCkWnWV

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	1504	5060	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3980	5060	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4004	5060	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\97D65E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

5060 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\97D65E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 5060 wrote to memory of 1504	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 1504	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 3980	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 3980	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 4004	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 4004	5060	EXCEL.EXE	cmd.exe
PID 1504 wrote to memory of 1536	1504	cmd.exe	attrib.exe
PID 1504 wrote to memory of 1536	1504	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1536 attrib.exe

pid	process
1536	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\9b5d412f58c74d052492defd3e1e84b1c9d239c82a7d49fdc6373c8402a6b567.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:5060

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:1504

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1536

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:3980

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:4004

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/1504-139-0x0000000000000000-mapping.dmp

Download
memory/1536-143-0x0000000000000000-mapping.dmp

Download
memory/3980-140-0x0000000000000000-mapping.dmp

Download
memory/4004-141-0x0000000000000000-mapping.dmp

Download
memory/5060-136-0x00007FFA96690000-0x00007FFA966A0000-memory.dmp

Filesize
64KB

Download
memory/5060-137-0x00007FFA93F80000-0x00007FFA93F90000-memory.dmp

Filesize
64KB

Download
memory/5060-138-0x00007FFA93F80000-0x00007FFA93F90000-memory.dmp

Filesize
64KB

Download
memory/5060-132-0x00007FFA96690000-0x00007FFA966A0000-memory.dmp

Filesize
64KB

Download
memory/5060-135-0x00007FFA96690000-0x00007FFA966A0000-memory.dmp

Filesize
64KB

Download
memory/5060-134-0x00007FFA96690000-0x00007FFA966A0000-memory.dmp

Filesize
64KB

Download
memory/5060-142-0x000002B6564CB000-0x000002B6564CD000-memory.dmp

Filesize
8KB

Download
memory/5060-133-0x00007FFA96690000-0x00007FFA966A0000-memory.dmp

Filesize
64KB

Download
memory/5060-144-0x000002B6564CB000-0x000002B6564CD000-memory.dmp

Filesize
8KB

Download
memory/5060-146-0x00007FFA96690000-0x00007FFA966A0000-memory.dmp

Filesize
64KB

Download
memory/5060-147-0x00007FFA96690000-0x00007FFA966A0000-memory.dmp

Filesize
64KB

Download
memory/5060-149-0x00007FFA96690000-0x00007FFA966A0000-memory.dmp

Filesize
64KB

Download
memory/5060-148-0x00007FFA96690000-0x00007FFA966A0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads