f9224599df2fa423599b3ff3e5e1fa585ff1c62b9d0b971882cc8c25a420e149

General

Target

f9224599df2fa423599b3ff3e5e1fa585ff1c62b9d0b971882cc8c25a420e149.xls
Size

87KB
MD5

59bd1c23364f724f246ff218deb13711
SHA1

9f5d742637bb0c92b35182d73b362723720cd0bf
SHA256

f9224599df2fa423599b3ff3e5e1fa585ff1c62b9d0b971882cc8c25a420e149
SHA512

96b9cfa89c3649a1aff1a30acfc4c38d6e4528bd90e9683faee8a5f02a08d6f486c7a5f92cefdb0c4dc25b97dc26b8113b48494400fd4219a4eb8f3076bd7c4b
SSDEEP

1536:k11151OrA0May2jcc0lbxOvTgZEM88ScJYXwkOhG:C2jcc0lbxOrQjhJYXwXE

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	3356	1988	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	212	1988	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	260	1988	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\EDA75E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1988 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\EDA75E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE
1988	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 1988 wrote to memory of 3356	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 3356	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 260	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 260	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 212	1988	EXCEL.EXE	cmd.exe
PID 1988 wrote to memory of 212	1988	EXCEL.EXE	cmd.exe
PID 3356 wrote to memory of 3364	3356	cmd.exe	attrib.exe
PID 3356 wrote to memory of 3364	3356	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

3364 attrib.exe

pid	process
3364	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\f9224599df2fa423599b3ff3e5e1fa585ff1c62b9d0b971882cc8c25a420e149.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:1988

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:3356

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:3364

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:212

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:260

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/212-141-0x0000000000000000-mapping.dmp

Download
memory/260-140-0x0000000000000000-mapping.dmp

Download
memory/1988-135-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1988-132-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1988-136-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1988-137-0x00007FF8A76C0000-0x00007FF8A76D0000-memory.dmp

Filesize
64KB

Download
memory/1988-138-0x00007FF8A76C0000-0x00007FF8A76D0000-memory.dmp

Filesize
64KB

Download
memory/1988-134-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1988-133-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1988-144-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1988-145-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1988-146-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/1988-147-0x00007FF8A9F90000-0x00007FF8A9FA0000-memory.dmp

Filesize
64KB

Download
memory/3356-139-0x0000000000000000-mapping.dmp

Download
memory/3364-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads