46ba5abd46413c18bfee0a5cd797587c335baa4d6fde4ad35742174925598de1

General

Target

46ba5abd46413c18bfee0a5cd797587c335baa4d6fde4ad35742174925598de1.xls
Size

188KB
MD5

66f85cabd399b02d8556444f6300d8b0
SHA1

846d9a8a90bc8d762798b8b5f0f7ac9fef190c1b
SHA256

46ba5abd46413c18bfee0a5cd797587c335baa4d6fde4ad35742174925598de1
SHA512

305945cdb0b19257c9e99f28b84cdee55a1b59c7039ee7a67841549291de433f763321b401127716791fb49a8df8a845cde58cbb70068d62e732f8bb31afae82
SSDEEP

3072:Yhq1gxv7yZmspH7+cclKisbqb+xTENDiVWxqg7yf7pFrSMW+56eOTWVbrzQ7ITkV:D1gxv7yZmspH7+cclKisbqb+xTENDiVp

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	1512	5060	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3596	5060	cmd.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2420	5060	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 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\9E175E00\:Zone.Identifier:$DATA EXCEL.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

5060 EXCEL.EXE

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\9E175E00\:Zone.Identifier:$DATA	EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE
5060	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EXCEL.EXEcmd.exe

description	pid	process	target process
PID 5060 wrote to memory of 2964	5060	EXCEL.EXE	splwow64.exe
PID 5060 wrote to memory of 2964	5060	EXCEL.EXE	splwow64.exe
PID 5060 wrote to memory of 1512	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 1512	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 3596	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 3596	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 2420	5060	EXCEL.EXE	cmd.exe
PID 5060 wrote to memory of 2420	5060	EXCEL.EXE	cmd.exe
PID 1512 wrote to memory of 560	1512	cmd.exe	attrib.exe
PID 1512 wrote to memory of 560	1512	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

560 attrib.exe

pid	process
560	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\46ba5abd46413c18bfee0a5cd797587c335baa4d6fde4ad35742174925598de1.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:5060

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2964

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:1512

C:\Windows\system32\attrib.exe
attrib -S -h "C:\Users\Admin\AppData\Roaming\Microsoft\Excel\XLSTART\K4.XLS"
3⤵
- Views/modifies file attributes
PID:560

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:3596

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:2420

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:3180

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/560-143-0x0000000000000000-mapping.dmp

Download
memory/1512-140-0x0000000000000000-mapping.dmp

Download
memory/2420-142-0x0000000000000000-mapping.dmp

Download
memory/2964-139-0x0000000000000000-mapping.dmp

Download
memory/3596-141-0x0000000000000000-mapping.dmp

Download
memory/5060-136-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-138-0x00007FFF17CF0000-0x00007FFF17D00000-memory.dmp

Filesize
64KB

Download
memory/5060-137-0x00007FFF17CF0000-0x00007FFF17D00000-memory.dmp

Filesize
64KB

Download
memory/5060-132-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-135-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-134-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-133-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-145-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-146-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-147-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download
memory/5060-148-0x00007FFF1A650000-0x00007FFF1A660000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads