d9f077cc38971ac8e71365f169088dae6dc80607218de597143898b239f60bca

General

Target

d9f077cc38971ac8e71365f169088dae6dc80607218de597143898b239f60bca.xls
Size

109KB
MD5

03f4c4372a116cb2879ab06f3a2f7d70
SHA1

986f213500b777eab01ccd64cfde9e8941d6a3c6
SHA256

d9f077cc38971ac8e71365f169088dae6dc80607218de597143898b239f60bca
SHA512

00df5be0cbb1edb1eb38b23e614295552a4a42e1c5117dfb219507fe943c234cba6aadac8ab6b7a9ae951c37b9545c993423a3bce302f2a37656b41f672b3749
SSDEEP

1536:gQQQQe9fD7KqF1ae5ZQKib096ZcETgZ9591eKcIVGsMVsWViBWcJrzQ7ITkR62lC:6c8KcM9WV1yrzQ7ITk9kjqae5kfN

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	4328	1120	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1832	1120	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3756	1120	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\CAB65E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1120 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\CAB65E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE
1120	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1120 wrote to memory of 4328	1120	EXCEL.EXE	cmd.exe
PID 1120 wrote to memory of 4328	1120	EXCEL.EXE	cmd.exe
PID 1120 wrote to memory of 1832	1120	EXCEL.EXE	cmd.exe
PID 1120 wrote to memory of 1832	1120	EXCEL.EXE	cmd.exe
PID 1120 wrote to memory of 3756	1120	EXCEL.EXE	cmd.exe
PID 1120 wrote to memory of 3756	1120	EXCEL.EXE	cmd.exe
PID 4328 wrote to memory of 4836	4328	cmd.exe	attrib.exe
PID 4328 wrote to memory of 4836	4328	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4836 attrib.exe

pid	process
4836	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\d9f077cc38971ac8e71365f169088dae6dc80607218de597143898b239f60bca.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:1120

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:4328

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:4836

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:1832

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:3756

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

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Downloads

memory/1120-138-0x00007FFC34210000-0x00007FFC34220000-memory.dmp

Filesize
64KB

Download
memory/1120-147-0x00007FFC36B70000-0x00007FFC36B80000-memory.dmp

Filesize
64KB

Download
memory/1120-134-0x00007FFC36B70000-0x00007FFC36B80000-memory.dmp

Filesize
64KB

Download
memory/1120-135-0x00007FFC36B70000-0x00007FFC36B80000-memory.dmp

Filesize
64KB

Download
memory/1120-136-0x00007FFC36B70000-0x00007FFC36B80000-memory.dmp

Filesize
64KB

Download
memory/1120-137-0x00007FFC34210000-0x00007FFC34220000-memory.dmp

Filesize
64KB

Download
memory/1120-133-0x00007FFC36B70000-0x00007FFC36B80000-memory.dmp

Filesize
64KB

Download
memory/1120-144-0x00007FFC36B70000-0x00007FFC36B80000-memory.dmp

Filesize
64KB

Download
memory/1120-132-0x00007FFC36B70000-0x00007FFC36B80000-memory.dmp

Filesize
64KB

Download
memory/1120-145-0x00007FFC36B70000-0x00007FFC36B80000-memory.dmp

Filesize
64KB

Download
memory/1120-146-0x00007FFC36B70000-0x00007FFC36B80000-memory.dmp

Filesize
64KB

Download
memory/1832-140-0x0000000000000000-mapping.dmp

Download
memory/3756-141-0x0000000000000000-mapping.dmp

Download
memory/4328-139-0x0000000000000000-mapping.dmp

Download
memory/4836-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads