6b33c48a2197ef65949d67fa2130044b07cf7e88246c4b150b46fe6d8202bc0f

General

Target

6b33c48a2197ef65949d67fa2130044b07cf7e88246c4b150b46fe6d8202bc0f.xls
Size

93KB
MD5

d0e2a8ed17a9c9f9b73feada57039a86
SHA1

bd078bdb3468d807375bb15b7d5ffd189dd0a2e7
SHA256

6b33c48a2197ef65949d67fa2130044b07cf7e88246c4b150b46fe6d8202bc0f
SHA512

e28941d405fff95b2383402318cde7b8a702752a9e2471dae511e47ebbf979ba65d51158bcee6ad5aed5a208a80bae90dfffdd4954d4912d870ba45627018eda
SSDEEP

1536:EppppF7lbRoWVbrzQ1VIHITkiD2EmO/WoF1ZXmSM2M/M/jUR:nWVbrzQHIHITkDHkwl5kru

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	4824	2980	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	912	2980	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3844	2980	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\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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\DA385E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2980 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\DA385E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

EXCEL.EXE

pid	process
2980	EXCEL.EXE
2980	EXCEL.EXE
2980	EXCEL.EXE
2980	EXCEL.EXE
2980	EXCEL.EXE
2980	EXCEL.EXE
2980	EXCEL.EXE
2980	EXCEL.EXE
2980	EXCEL.EXE
2980	EXCEL.EXE
2980	EXCEL.EXE
2980	EXCEL.EXE
2980	EXCEL.EXE
2980	EXCEL.EXE
2980	EXCEL.EXE
2980	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 2980 wrote to memory of 4824	2980	EXCEL.EXE	cmd.exe
PID 2980 wrote to memory of 4824	2980	EXCEL.EXE	cmd.exe
PID 2980 wrote to memory of 912	2980	EXCEL.EXE	cmd.exe
PID 2980 wrote to memory of 912	2980	EXCEL.EXE	cmd.exe
PID 2980 wrote to memory of 3844	2980	EXCEL.EXE	cmd.exe
PID 2980 wrote to memory of 3844	2980	EXCEL.EXE	cmd.exe
PID 4824 wrote to memory of 4716	4824	cmd.exe	attrib.exe
PID 4824 wrote to memory of 4716	4824	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4716 attrib.exe

pid	process
4716	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\6b33c48a2197ef65949d67fa2130044b07cf7e88246c4b150b46fe6d8202bc0f.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:2980

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:4824

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:4716

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:912

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:3844

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

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Downloads

memory/912-141-0x0000000000000000-mapping.dmp

Download
memory/2980-135-0x00007FF811CF0000-0x00007FF811D00000-memory.dmp

Filesize
64KB

Download
memory/2980-134-0x00007FF811CF0000-0x00007FF811D00000-memory.dmp

Filesize
64KB

Download
memory/2980-132-0x00007FF811CF0000-0x00007FF811D00000-memory.dmp

Filesize
64KB

Download
memory/2980-136-0x00007FF811CF0000-0x00007FF811D00000-memory.dmp

Filesize
64KB

Download
memory/2980-137-0x00007FF80F3E0000-0x00007FF80F3F0000-memory.dmp

Filesize
64KB

Download
memory/2980-138-0x00007FF80F3E0000-0x00007FF80F3F0000-memory.dmp

Filesize
64KB

Download
memory/2980-139-0x000001F474D8C000-0x000001F474D8E000-memory.dmp

Filesize
8KB

Download
memory/2980-133-0x00007FF811CF0000-0x00007FF811D00000-memory.dmp

Filesize
64KB

Download
memory/2980-144-0x000001F474D8C000-0x000001F474D8E000-memory.dmp

Filesize
8KB

Download
memory/2980-145-0x000001F474D8C000-0x000001F474D8E000-memory.dmp

Filesize
8KB

Download
memory/3844-142-0x0000000000000000-mapping.dmp

Download
memory/4716-143-0x0000000000000000-mapping.dmp

Download
memory/4824-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads