653d108e2153f84ad5252f50b6c3632565442d0d8c2dc1b380bfc0586c7d037a

General

Target

653d108e2153f84ad5252f50b6c3632565442d0d8c2dc1b380bfc0586c7d037a.xls
Size

97KB
MD5

5dfd51221443d5a2b0aaf4f044fe1b02
SHA1

1cf7de8284b16cf32c72e0ac4081410a21543d00
SHA256

653d108e2153f84ad5252f50b6c3632565442d0d8c2dc1b380bfc0586c7d037a
SHA512

b99f9bbefd9168b79273daffed0eafb92bd9c947e6ec21036cc4f5f91256246a8dc3cb42fdd909a6b1506f680b3f57935a404c59386f29a1126df74b4d91b8ae
SSDEEP

1536:oGGGiRCdqgWVbrzQ74MxDTkR62ldM88SkJtXwRYM2M/MFv3R:dWVbrzQ7lTk9sjpJtXwZ5kJ3R

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	2152	4300	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1548	4300	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3048	4300	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\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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\05185E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4300 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\05185E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

EXCEL.EXE

pid	process
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE
4300	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4300 wrote to memory of 2152	4300	EXCEL.EXE	cmd.exe
PID 4300 wrote to memory of 2152	4300	EXCEL.EXE	cmd.exe
PID 4300 wrote to memory of 1548	4300	EXCEL.EXE	cmd.exe
PID 4300 wrote to memory of 1548	4300	EXCEL.EXE	cmd.exe
PID 4300 wrote to memory of 3048	4300	EXCEL.EXE	cmd.exe
PID 4300 wrote to memory of 3048	4300	EXCEL.EXE	cmd.exe
PID 2152 wrote to memory of 1224	2152	cmd.exe	attrib.exe
PID 2152 wrote to memory of 1224	2152	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1224 attrib.exe

pid	process
1224	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\653d108e2153f84ad5252f50b6c3632565442d0d8c2dc1b380bfc0586c7d037a.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:4300

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:2152

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:1224

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:1548

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:3048

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/1224-143-0x0000000000000000-mapping.dmp

Download
memory/1548-140-0x0000000000000000-mapping.dmp

Download
memory/2152-139-0x0000000000000000-mapping.dmp

Download
memory/3048-141-0x0000000000000000-mapping.dmp

Download
memory/4300-136-0x00007FFD16230000-0x00007FFD16240000-memory.dmp

Filesize
64KB

Download
memory/4300-137-0x00007FFD141D0000-0x00007FFD141E0000-memory.dmp

Filesize
64KB

Download
memory/4300-138-0x00007FFD141D0000-0x00007FFD141E0000-memory.dmp

Filesize
64KB

Download
memory/4300-132-0x00007FFD16230000-0x00007FFD16240000-memory.dmp

Filesize
64KB

Download
memory/4300-135-0x00007FFD16230000-0x00007FFD16240000-memory.dmp

Filesize
64KB

Download
memory/4300-134-0x00007FFD16230000-0x00007FFD16240000-memory.dmp

Filesize
64KB

Download
memory/4300-142-0x00000201989D1000-0x00000201989D3000-memory.dmp

Filesize
8KB

Download
memory/4300-133-0x00007FFD16230000-0x00007FFD16240000-memory.dmp

Filesize
64KB

Download
memory/4300-145-0x00007FFD16230000-0x00007FFD16240000-memory.dmp

Filesize
64KB

Download
memory/4300-146-0x00007FFD16230000-0x00007FFD16240000-memory.dmp

Filesize
64KB

Download
memory/4300-147-0x00007FFD16230000-0x00007FFD16240000-memory.dmp

Filesize
64KB

Download
memory/4300-148-0x00007FFD16230000-0x00007FFD16240000-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