07c0028a034ce65872090bab7c9bf48d0f468665eef1ad494a4cd734220d7212

General

Target

07c0028a034ce65872090bab7c9bf48d0f468665eef1ad494a4cd734220d7212.xls
Size

101KB
MD5

a5e3491502361d5b7b742d962149e421
SHA1

89910d498602555ea868761799144ef81d2c6579
SHA256

07c0028a034ce65872090bab7c9bf48d0f468665eef1ad494a4cd734220d7212
SHA512

6f9462733ab45ce9986e293db3192000bffd9b204733a988701a3bfa25bdc7def3e0f71aca69cebf4b4a2992f6d464ed79ac01a7760957bd989f9ccb008ee1f5
SSDEEP

1536:1iiiG42R3ulqi9WVbrzQ7lSWTkR62lGM88DcJtXwRsM2M/MZyd6S:lEWVbrzQ7BTk9tjYJtXwJ5ksd/

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	3996	4572	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	736	4572	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1896	4572	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 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

4572 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE
4572	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4572 wrote to memory of 3996	4572	EXCEL.EXE	cmd.exe
PID 4572 wrote to memory of 3996	4572	EXCEL.EXE	cmd.exe
PID 4572 wrote to memory of 736	4572	EXCEL.EXE	cmd.exe
PID 4572 wrote to memory of 736	4572	EXCEL.EXE	cmd.exe
PID 4572 wrote to memory of 1896	4572	EXCEL.EXE	cmd.exe
PID 4572 wrote to memory of 1896	4572	EXCEL.EXE	cmd.exe
PID 3996 wrote to memory of 5088	3996	cmd.exe	attrib.exe
PID 3996 wrote to memory of 5088	3996	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

5088 attrib.exe

pid	process
5088	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\07c0028a034ce65872090bab7c9bf48d0f468665eef1ad494a4cd734220d7212.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4572

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:3996

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:5088

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:736

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:1896

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/736-140-0x0000000000000000-mapping.dmp

Download
memory/1896-141-0x0000000000000000-mapping.dmp

Download
memory/3996-139-0x0000000000000000-mapping.dmp

Download
memory/4572-136-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/4572-142-0x0000013E4C941000-0x0000013E4C943000-memory.dmp

Filesize
8KB

Download
memory/4572-137-0x00007FFCEC080000-0x00007FFCEC090000-memory.dmp

Filesize
64KB

Download
memory/4572-138-0x00007FFCEC080000-0x00007FFCEC090000-memory.dmp

Filesize
64KB

Download
memory/4572-135-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/4572-134-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/4572-133-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/4572-132-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/4572-149-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/4572-144-0x0000013E4C941000-0x0000013E4C943000-memory.dmp

Filesize
8KB

Download
memory/4572-147-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/4572-146-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/4572-148-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/5088-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads