6140a72a9ae488ff2e256a661512f60d789bbc7ba78ee704b8cd4ebdf04878c9

General

Target

6140a72a9ae488ff2e256a661512f60d789bbc7ba78ee704b8cd4ebdf04878c9.xls
Size

115KB
MD5

3bf774e7fe82f98908b7166cd8e6ed30
SHA1

afed71ea48194518f8909ee7220c99d2bac0e2f4
SHA256

6140a72a9ae488ff2e256a661512f60d789bbc7ba78ee704b8cd4ebdf04878c9
SHA512

850024dedd8b915ea857fb5c536cfcc39003622f6b392645bd314283011433c41219aa117fd58fbdd07b3095b3eb1d4cf6509d8598156c697bb2044a2dcda28a
SSDEEP

3072:45ul6Nc7yRzs1H75wkZUgsioAOO+jIcrbpWVbrzxG7ITk9H2AJtXwUekF:jl6Nc7yRzs1H75wkZUgsioAOO+jIcre2

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	2844	4824	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1472	4824	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1944	4824	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\70C65E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4824 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\70C65E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE
4824	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4824 wrote to memory of 2844	4824	EXCEL.EXE	cmd.exe
PID 4824 wrote to memory of 2844	4824	EXCEL.EXE	cmd.exe
PID 4824 wrote to memory of 1944	4824	EXCEL.EXE	cmd.exe
PID 4824 wrote to memory of 1944	4824	EXCEL.EXE	cmd.exe
PID 4824 wrote to memory of 1472	4824	EXCEL.EXE	cmd.exe
PID 4824 wrote to memory of 1472	4824	EXCEL.EXE	cmd.exe
PID 2844 wrote to memory of 3052	2844	cmd.exe	attrib.exe
PID 2844 wrote to memory of 3052	2844	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

3052 attrib.exe

pid	process
3052	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\6140a72a9ae488ff2e256a661512f60d789bbc7ba78ee704b8cd4ebdf04878c9.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:4824

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:2844

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:3052

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:1472

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:1944

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1472-143-0x0000000000000000-mapping.dmp

Download
memory/1944-142-0x0000000000000000-mapping.dmp

Download
memory/2844-141-0x0000000000000000-mapping.dmp

Download
memory/3052-144-0x0000000000000000-mapping.dmp

Download
memory/4824-136-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmp

Filesize
64KB

Download
memory/4824-134-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmp

Filesize
64KB

Download
memory/4824-138-0x00007FF94D4E0000-0x00007FF94D4F0000-memory.dmp

Filesize
64KB

Download
memory/4824-139-0x0000024428D17000-0x0000024428D19000-memory.dmp

Filesize
8KB

Download
memory/4824-140-0x0000024428956000-0x0000024428958000-memory.dmp

Filesize
8KB

Download
memory/4824-132-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmp

Filesize
64KB

Download
memory/4824-135-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmp

Filesize
64KB

Download
memory/4824-137-0x00007FF94D4E0000-0x00007FF94D4F0000-memory.dmp

Filesize
64KB

Download
memory/4824-133-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmp

Filesize
64KB

Download
memory/4824-145-0x0000024428D16000-0x0000024428D18000-memory.dmp

Filesize
8KB

Download
memory/4824-146-0x0000024428D17000-0x0000024428D19000-memory.dmp

Filesize
8KB

Download
memory/4824-148-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmp

Filesize
64KB

Download
memory/4824-149-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmp

Filesize
64KB

Download
memory/4824-150-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmp

Filesize
64KB

Download
memory/4824-151-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads