0f6168c16cd8c5631fea2f7ca3fa511d746765732d1c61a3dbacb97933c2c6c4

General

Target

0f6168c16cd8c5631fea2f7ca3fa511d746765732d1c61a3dbacb97933c2c6c4.xls
Size

142KB
MD5

29c32baf355a0d412ca7f6d7ba8696d3
SHA1

bac23968104299c94101760e47de6b3297599aa7
SHA256

0f6168c16cd8c5631fea2f7ca3fa511d746765732d1c61a3dbacb97933c2c6c4
SHA512

55119dd8feab7b64a2465d23e80d8ec48fd43bcd8aa5246d3eb0e5627832e6ad02e0b43799891db20c24a5a74f9184abdd9a8f6560a256ca3658e8ae32d79767
SSDEEP

1536:cXXXXzP7mjA1o1NIQ9AxJQyB77T4YHNn/XSl9t12jcc0lbxOvTgZ+mqLWWt2XKtm:oQ9AxJQy97T4Ii12jcc0lbxOrkNawoe

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	228	4992	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	220	4992	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	332	4992	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

NTFS ADS 1 IoCs

Processes:

EXCEL.EXE

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\A5175E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4992 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\A5175E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE
4992	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 4992 wrote to memory of 228	4992	EXCEL.EXE	cmd.exe
PID 4992 wrote to memory of 228	4992	EXCEL.EXE	cmd.exe
PID 4992 wrote to memory of 220	4992	EXCEL.EXE	cmd.exe
PID 4992 wrote to memory of 220	4992	EXCEL.EXE	cmd.exe
PID 4992 wrote to memory of 332	4992	EXCEL.EXE	cmd.exe
PID 4992 wrote to memory of 332	4992	EXCEL.EXE	cmd.exe
PID 228 wrote to memory of 4116	228	cmd.exe	attrib.exe
PID 228 wrote to memory of 4116	228	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4116 attrib.exe

pid	process
4116	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\0f6168c16cd8c5631fea2f7ca3fa511d746765732d1c61a3dbacb97933c2c6c4.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:4992

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:228

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:4116

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:220

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:332

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

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Downloads

memory/220-140-0x0000000000000000-mapping.dmp

Download
memory/228-139-0x0000000000000000-mapping.dmp

Download
memory/332-141-0x0000000000000000-mapping.dmp

Download
memory/4116-142-0x0000000000000000-mapping.dmp

Download
memory/4992-135-0x00007FFD121B0000-0x00007FFD121C0000-memory.dmp

Filesize
64KB

Download
memory/4992-137-0x00007FFD0FD40000-0x00007FFD0FD50000-memory.dmp

Filesize
64KB

Download
memory/4992-138-0x00007FFD0FD40000-0x00007FFD0FD50000-memory.dmp

Filesize
64KB

Download
memory/4992-136-0x00007FFD121B0000-0x00007FFD121C0000-memory.dmp

Filesize
64KB

Download
memory/4992-132-0x00007FFD121B0000-0x00007FFD121C0000-memory.dmp

Filesize
64KB

Download
memory/4992-134-0x00007FFD121B0000-0x00007FFD121C0000-memory.dmp

Filesize
64KB

Download
memory/4992-133-0x00007FFD121B0000-0x00007FFD121C0000-memory.dmp

Filesize
64KB

Download
memory/4992-144-0x00007FFD121B0000-0x00007FFD121C0000-memory.dmp

Filesize
64KB

Download
memory/4992-145-0x00007FFD121B0000-0x00007FFD121C0000-memory.dmp

Filesize
64KB

Download
memory/4992-146-0x00007FFD121B0000-0x00007FFD121C0000-memory.dmp

Filesize
64KB

Download
memory/4992-147-0x00007FFD121B0000-0x00007FFD121C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads