5707e316a92cee1f9a055d3168622d609a85af6cdeb6ad1ca50678196b53350e

General

Target

5707e316a92cee1f9a055d3168622d609a85af6cdeb6ad1ca50678196b53350e.xls
Size

91KB
MD5

00768430172b4169f96324e3730944fb
SHA1

5193cef050982b1e744f18b667f545c41d77447f
SHA256

5707e316a92cee1f9a055d3168622d609a85af6cdeb6ad1ca50678196b53350e
SHA512

3afeb6df4ca8883e795dd5afef94b48029d333ad51de533461ab47128f051c9c5e0debac7b9c2761e8ec778442d9c81b94e1e334d143bcb62db771978486aa90
SSDEEP

1536:07zzz2XLePPjRn8AZH2jcc0lbxOvTgZCM88ScJwXwVu6:03Pb2jcc0lbxOrujhJwXwQ6

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	4560	4696	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3164	4696	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2636	4696	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\4F975E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4696 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\4F975E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE
4696	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4696 wrote to memory of 4560	4696	EXCEL.EXE	cmd.exe
PID 4696 wrote to memory of 4560	4696	EXCEL.EXE	cmd.exe
PID 4696 wrote to memory of 3164	4696	EXCEL.EXE	cmd.exe
PID 4696 wrote to memory of 3164	4696	EXCEL.EXE	cmd.exe
PID 4696 wrote to memory of 2636	4696	EXCEL.EXE	cmd.exe
PID 4696 wrote to memory of 2636	4696	EXCEL.EXE	cmd.exe
PID 4560 wrote to memory of 2244	4560	cmd.exe	attrib.exe
PID 4560 wrote to memory of 2244	4560	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

2244 attrib.exe

pid	process
2244	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\5707e316a92cee1f9a055d3168622d609a85af6cdeb6ad1ca50678196b53350e.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:4696

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:4560

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:2244

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:3164

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:2636

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/2244-142-0x0000000000000000-mapping.dmp

Download
memory/2636-141-0x0000000000000000-mapping.dmp

Download
memory/3164-140-0x0000000000000000-mapping.dmp

Download
memory/4560-139-0x0000000000000000-mapping.dmp

Download
memory/4696-136-0x00007FF885A70000-0x00007FF885A80000-memory.dmp

Filesize
64KB

Download
memory/4696-137-0x00007FF8838B0000-0x00007FF8838C0000-memory.dmp

Filesize
64KB

Download
memory/4696-138-0x00007FF8838B0000-0x00007FF8838C0000-memory.dmp

Filesize
64KB

Download
memory/4696-132-0x00007FF885A70000-0x00007FF885A80000-memory.dmp

Filesize
64KB

Download
memory/4696-135-0x00007FF885A70000-0x00007FF885A80000-memory.dmp

Filesize
64KB

Download
memory/4696-134-0x00007FF885A70000-0x00007FF885A80000-memory.dmp

Filesize
64KB

Download
memory/4696-133-0x00007FF885A70000-0x00007FF885A80000-memory.dmp

Filesize
64KB

Download
memory/4696-143-0x00000243ED4AA000-0x00000243ED4AC000-memory.dmp

Filesize
8KB

Download
memory/4696-144-0x00000243ED4AA000-0x00000243ED4AC000-memory.dmp

Filesize
8KB

Download
memory/4696-146-0x00007FF885A70000-0x00007FF885A80000-memory.dmp

Filesize
64KB

Download
memory/4696-147-0x00007FF885A70000-0x00007FF885A80000-memory.dmp

Filesize
64KB

Download
memory/4696-148-0x00007FF885A70000-0x00007FF885A80000-memory.dmp

Filesize
64KB

Download
memory/4696-149-0x00007FF885A70000-0x00007FF885A80000-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