fe09648a515725512006fac26894046454340afe195dced36b632ef4c164e7a1

General

Target

fe09648a515725512006fac26894046454340afe195dced36b632ef4c164e7a1.xls
Size

123KB
MD5

b709b870c9c26ab8fdfd61e776c76c61
SHA1

0ec293a3dd3f49c996dfa02e3efcd529dcca62c4
SHA256

fe09648a515725512006fac26894046454340afe195dced36b632ef4c164e7a1
SHA512

3857181a7986db0e440ab3b1875ca6678f17fa869a21aa239f485ac8994319fa026579dd7d33c7023b24e7d16c1bb1cb2d4d0d94148e95b42e3ecc2b8aeab726
SSDEEP

3072:ioz9CZ4mJWRMT67EI7fsCqGXkjTLkimXK8SJwwI2jcc0lbxOrWUJtXwMR:ioz9CZ4mJWRMT67EI7fsCqGXkjTLkim

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	4372	2204	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3508	2204	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3676	2204	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2204 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE
2204	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 2204 wrote to memory of 4372	2204	EXCEL.EXE	cmd.exe
PID 2204 wrote to memory of 4372	2204	EXCEL.EXE	cmd.exe
PID 2204 wrote to memory of 3508	2204	EXCEL.EXE	cmd.exe
PID 2204 wrote to memory of 3508	2204	EXCEL.EXE	cmd.exe
PID 2204 wrote to memory of 3676	2204	EXCEL.EXE	cmd.exe
PID 2204 wrote to memory of 3676	2204	EXCEL.EXE	cmd.exe
PID 4372 wrote to memory of 4892	4372	cmd.exe	attrib.exe
PID 4372 wrote to memory of 4892	4372	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4892 attrib.exe

pid	process
4892	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\fe09648a515725512006fac26894046454340afe195dced36b632ef4c164e7a1.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2204

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:4372

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:4892

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:3508

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:3676

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/2204-144-0x0000021FB3E2D000-0x0000021FB3E2F000-memory.dmp

Filesize
8KB

Download
memory/2204-136-0x00007FF9E06B0000-0x00007FF9E06C0000-memory.dmp

Filesize
64KB

Download
memory/2204-149-0x00007FF9E06B0000-0x00007FF9E06C0000-memory.dmp

Filesize
64KB

Download
memory/2204-135-0x00007FF9E06B0000-0x00007FF9E06C0000-memory.dmp

Filesize
64KB

Download
memory/2204-148-0x00007FF9E06B0000-0x00007FF9E06C0000-memory.dmp

Filesize
64KB

Download
memory/2204-137-0x00007FF9DE600000-0x00007FF9DE610000-memory.dmp

Filesize
64KB

Download
memory/2204-138-0x00007FF9DE600000-0x00007FF9DE610000-memory.dmp

Filesize
64KB

Download
memory/2204-142-0x0000021FB3E2D000-0x0000021FB3E2F000-memory.dmp

Filesize
8KB

Download
memory/2204-134-0x00007FF9E06B0000-0x00007FF9E06C0000-memory.dmp

Filesize
64KB

Download
memory/2204-133-0x00007FF9E06B0000-0x00007FF9E06C0000-memory.dmp

Filesize
64KB

Download
memory/2204-147-0x00007FF9E06B0000-0x00007FF9E06C0000-memory.dmp

Filesize
64KB

Download
memory/2204-146-0x00007FF9E06B0000-0x00007FF9E06C0000-memory.dmp

Filesize
64KB

Download
memory/2204-132-0x00007FF9E06B0000-0x00007FF9E06C0000-memory.dmp

Filesize
64KB

Download
memory/3508-140-0x0000000000000000-mapping.dmp

Download
memory/3676-141-0x0000000000000000-mapping.dmp

Download
memory/4372-139-0x0000000000000000-mapping.dmp

Download
memory/4892-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads