6c3c1e8bba5a728259f1d055eb0a0a47c9be2c9ad80016b2797d4d462f197eb2

General

Target

6c3c1e8bba5a728259f1d055eb0a0a47c9be2c9ad80016b2797d4d462f197eb2.xls
Size

117KB
MD5

eb5f0f064d32ad225cc000b5569ad066
SHA1

2cbed9d606cb554d29b8328a30fae79e13bfe0a3
SHA256

6c3c1e8bba5a728259f1d055eb0a0a47c9be2c9ad80016b2797d4d462f197eb2
SHA512

9bf111140c787f48285e4ba7cdc22c79d656160f3e895f11b233efc3956f4a49623a3f5c803ad5cb26a747260d5b0f5b3d4277eaff96bab58522bb91277abbfe
SSDEEP

3072:DPl6Nc7yRzs1H75wkZUgsQ6NqTBun5oSHi9WVbrzQ7ITk9ujhJtXwyEv4:7l6Nc7yRzs1H75wkZUgsQ6NqTBun5oS5

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	3548	4032	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4064	4032	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3760	4032	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\51F65E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4032 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\51F65E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4032	EXCEL.EXE
4032	EXCEL.EXE
4032	EXCEL.EXE
4032	EXCEL.EXE
4032	EXCEL.EXE
4032	EXCEL.EXE
4032	EXCEL.EXE
4032	EXCEL.EXE
4032	EXCEL.EXE
4032	EXCEL.EXE
4032	EXCEL.EXE
4032	EXCEL.EXE
4032	EXCEL.EXE
4032	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4032 wrote to memory of 3548	4032	EXCEL.EXE	cmd.exe
PID 4032 wrote to memory of 3548	4032	EXCEL.EXE	cmd.exe
PID 4032 wrote to memory of 4064	4032	EXCEL.EXE	cmd.exe
PID 4032 wrote to memory of 4064	4032	EXCEL.EXE	cmd.exe
PID 4032 wrote to memory of 3760	4032	EXCEL.EXE	cmd.exe
PID 4032 wrote to memory of 3760	4032	EXCEL.EXE	cmd.exe
PID 3548 wrote to memory of 2912	3548	cmd.exe	attrib.exe
PID 3548 wrote to memory of 2912	3548	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

2912 attrib.exe

pid	process
2912	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\6c3c1e8bba5a728259f1d055eb0a0a47c9be2c9ad80016b2797d4d462f197eb2.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:4032

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:3548

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:2912

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:4064

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:3760

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/2912-142-0x0000000000000000-mapping.dmp

Download
memory/3548-139-0x0000000000000000-mapping.dmp

Download
memory/3760-141-0x0000000000000000-mapping.dmp

Download
memory/4032-144-0x000001936F8E1000-0x000001936F8E3000-memory.dmp

Filesize
8KB

Download
memory/4032-133-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4032-137-0x00007FF811570000-0x00007FF811580000-memory.dmp

Filesize
64KB

Download
memory/4032-138-0x00007FF811570000-0x00007FF811580000-memory.dmp

Filesize
64KB

Download
memory/4032-135-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4032-151-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4032-134-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4032-136-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4032-143-0x00000193700FD000-0x00000193700FF000-memory.dmp

Filesize
8KB

Download
memory/4032-132-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4032-145-0x00000193700FD000-0x00000193700FF000-memory.dmp

Filesize
8KB

Download
memory/4032-146-0x000001936F8E1000-0x000001936F8E3000-memory.dmp

Filesize
8KB

Download
memory/4032-148-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4032-149-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4032-150-0x00007FF813650000-0x00007FF813660000-memory.dmp

Filesize
64KB

Download
memory/4064-140-0x0000000000000000-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