02d4b2dccc59694ec4f2039e173589ae36af7d10b108653a0160044231a9e75d

General

Target

02d4b2dccc59694ec4f2039e173589ae36af7d10b108653a0160044231a9e75d.xls
Size

84KB
MD5

0ff6c91a16f8e426348ce34cd2660b18
SHA1

510d3dfc0cb492b1d4cdd75d29ff517dffe7a0af
SHA256

02d4b2dccc59694ec4f2039e173589ae36af7d10b108653a0160044231a9e75d
SHA512

a3403428d50256b3261d35dfa7b4b84b010161ec76defcfa57d0f83578f2a96e46aa5c15730346dd8eab0958cde56acf5ff6638656c2743ddef2aa30c62759e2
SSDEEP

1536:5oooEE5+X3xhq2jcc0lbxOvTgZYM88ScJtX29sl:i5f2jcc0lbxOrwjhJtX2Cl

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	4084	4240	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	796	4240	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3132	4240	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\88385E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4240 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\88385E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE
4240	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4240 wrote to memory of 4084	4240	EXCEL.EXE	cmd.exe
PID 4240 wrote to memory of 4084	4240	EXCEL.EXE	cmd.exe
PID 4240 wrote to memory of 3132	4240	EXCEL.EXE	cmd.exe
PID 4240 wrote to memory of 3132	4240	EXCEL.EXE	cmd.exe
PID 4240 wrote to memory of 796	4240	EXCEL.EXE	cmd.exe
PID 4240 wrote to memory of 796	4240	EXCEL.EXE	cmd.exe
PID 4084 wrote to memory of 3500	4084	cmd.exe	attrib.exe
PID 4084 wrote to memory of 3500	4084	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

3500 attrib.exe

pid	process
3500	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\02d4b2dccc59694ec4f2039e173589ae36af7d10b108653a0160044231a9e75d.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:4240

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:4084

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:3500

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:796

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:3132

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/796-141-0x0000000000000000-mapping.dmp

Download
memory/3132-140-0x0000000000000000-mapping.dmp

Download
memory/3500-142-0x0000000000000000-mapping.dmp

Download
memory/4084-139-0x0000000000000000-mapping.dmp

Download
memory/4240-132-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/4240-133-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/4240-134-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/4240-135-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/4240-136-0x00007FFBBAEF0000-0x00007FFBBAF00000-memory.dmp

Filesize
64KB

Download
memory/4240-137-0x00007FFBB8690000-0x00007FFBB86A0000-memory.dmp

Filesize
64KB

Download
memory/4240-138-0x00007FFBB8690000-0x00007FFBB86A0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads