eab95f09e45a3bd676fab0a043fa116d3690070e55c900571e1e4bd2f8dfff2e

General

Target

eab95f09e45a3bd676fab0a043fa116d3690070e55c900571e1e4bd2f8dfff2e.xls
Size

108KB
MD5

51797bbc37e850eb4d9bead3daf96f6d
SHA1

bd2afa2a6ba26254923d82836251d2d7d4f92f65
SHA256

eab95f09e45a3bd676fab0a043fa116d3690070e55c900571e1e4bd2f8dfff2e
SHA512

00c3902dd8ad1833fe26ded4507548fe1580f0bed0bf5e4a5c0bb703e7cd3059895bc8803417a20ac904fd1a20dad08e320bd8db18c067946617cb947afc6a2b
SSDEEP

3072:Vnl6Nc7yRzs1H75wkZUgsQ6NqTBun5oWCWVbrzQ7kCTk95jhJtXw1v4x2:ll6Nc7yRzs1H75wkZUgsQ6NqTBun5oW+

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	2296	4416	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4260	4416	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2952	4416	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

4416 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4416	EXCEL.EXE
4416	EXCEL.EXE
4416	EXCEL.EXE
4416	EXCEL.EXE
4416	EXCEL.EXE
4416	EXCEL.EXE
4416	EXCEL.EXE
4416	EXCEL.EXE
4416	EXCEL.EXE
4416	EXCEL.EXE
4416	EXCEL.EXE
4416	EXCEL.EXE
4416	EXCEL.EXE
4416	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4416 wrote to memory of 2296	4416	EXCEL.EXE	cmd.exe
PID 4416 wrote to memory of 2296	4416	EXCEL.EXE	cmd.exe
PID 4416 wrote to memory of 4260	4416	EXCEL.EXE	cmd.exe
PID 4416 wrote to memory of 4260	4416	EXCEL.EXE	cmd.exe
PID 4416 wrote to memory of 2952	4416	EXCEL.EXE	cmd.exe
PID 4416 wrote to memory of 2952	4416	EXCEL.EXE	cmd.exe
PID 2296 wrote to memory of 1116	2296	cmd.exe	attrib.exe
PID 2296 wrote to memory of 1116	2296	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1116 attrib.exe

pid	process
1116	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\eab95f09e45a3bd676fab0a043fa116d3690070e55c900571e1e4bd2f8dfff2e.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4416

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:2296

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1116

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:4260

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:2952

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

Loading Replay Monitor...

Downloads

memory/1116-142-0x0000000000000000-mapping.dmp

Download
memory/2296-139-0x0000000000000000-mapping.dmp

Download
memory/2952-141-0x0000000000000000-mapping.dmp

Download
memory/4260-140-0x0000000000000000-mapping.dmp

Download
memory/4416-136-0x00007FFB6DCB0000-0x00007FFB6DCC0000-memory.dmp

Filesize
64KB

Download
memory/4416-137-0x00007FFB6B3B0000-0x00007FFB6B3C0000-memory.dmp

Filesize
64KB

Download
memory/4416-138-0x00007FFB6B3B0000-0x00007FFB6B3C0000-memory.dmp

Filesize
64KB

Download
memory/4416-132-0x00007FFB6DCB0000-0x00007FFB6DCC0000-memory.dmp

Filesize
64KB

Download
memory/4416-135-0x00007FFB6DCB0000-0x00007FFB6DCC0000-memory.dmp

Filesize
64KB

Download
memory/4416-133-0x00007FFB6DCB0000-0x00007FFB6DCC0000-memory.dmp

Filesize
64KB

Download
memory/4416-134-0x00007FFB6DCB0000-0x00007FFB6DCC0000-memory.dmp

Filesize
64KB

Download
memory/4416-143-0x00000224B133C000-0x00000224B133E000-memory.dmp

Filesize
8KB

Download
memory/4416-145-0x00007FFB6DCB0000-0x00007FFB6DCC0000-memory.dmp

Filesize
64KB

Download
memory/4416-146-0x00007FFB6DCB0000-0x00007FFB6DCC0000-memory.dmp

Filesize
64KB

Download
memory/4416-147-0x00007FFB6DCB0000-0x00007FFB6DCC0000-memory.dmp

Filesize
64KB

Download
memory/4416-148-0x00007FFB6DCB0000-0x00007FFB6DCC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads