dbaf68e53f1b4437277935031a33a4c6c8b6456c52c0379f992a906a9256c499

General

Target

dbaf68e53f1b4437277935031a33a4c6c8b6456c52c0379f992a906a9256c499.xls
Size

1.4MB
MD5

5131f418189ede0e8ebff6bf4395b2a3
SHA1

e32b7e32784c82a6dc0cbf865251730ba6e4bdd6
SHA256

dbaf68e53f1b4437277935031a33a4c6c8b6456c52c0379f992a906a9256c499
SHA512

7718cafff0b056f4617abc97f0a9273cfb251911a3c1fe3694339759655a7e2f0b4cce7f7e4fc1a33e474ba4b63d623981d0295c8bb5d80da02b14447ac277a9

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

WindowsSecurity.exe

pid process

3504 WindowsSecurity.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2060 3504 WerFault.exe WindowsSecurity.exe

pid	process
3504	WindowsSecurity.exe

pid	pid_target	process	target process
2060	3504	WerFault.exe	WindowsSecurity.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

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3732 schtasks.exe

pid	process
3732	schtasks.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

4616 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

WindowsSecurity.exe

pid process

3504 WindowsSecurity.exe
3504 WindowsSecurity.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

4616 EXCEL.EXE
Suspicious use of SetWindowsHookEx 10 IoCs

Processes:

EXCEL.EXE

pid process

4616 EXCEL.EXE
4616 EXCEL.EXE
4616 EXCEL.EXE
4616 EXCEL.EXE
4616 EXCEL.EXE
4616 EXCEL.EXE
4616 EXCEL.EXE
4616 EXCEL.EXE
4616 EXCEL.EXE
4616 EXCEL.EXE

pid	process
4616	EXCEL.EXE

pid	process
3504	WindowsSecurity.exe
3504	WindowsSecurity.exe

pid	process
4616	EXCEL.EXE

pid	process
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE
4616	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

EXCEL.EXEWindowsSecurity.execmd.exe

description	pid	process	target process
PID 4616 wrote to memory of 3504	4616	EXCEL.EXE	WindowsSecurity.exe
PID 4616 wrote to memory of 3504	4616	EXCEL.EXE	WindowsSecurity.exe
PID 4616 wrote to memory of 3504	4616	EXCEL.EXE	WindowsSecurity.exe
PID 3504 wrote to memory of 2384	3504	WindowsSecurity.exe	cmd.exe
PID 3504 wrote to memory of 2384	3504	WindowsSecurity.exe	cmd.exe
PID 3504 wrote to memory of 2384	3504	WindowsSecurity.exe	cmd.exe
PID 2384 wrote to memory of 3732	2384	cmd.exe	schtasks.exe
PID 2384 wrote to memory of 3732	2384	cmd.exe	schtasks.exe
PID 2384 wrote to memory of 3732	2384	cmd.exe	schtasks.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\dbaf68e53f1b4437277935031a33a4c6c8b6456c52c0379f992a906a9256c499.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4616

C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe
C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3504

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c schtasks /create /sc daily /tn WindowsSecurityPatch /tr C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe /st 11:00 /f
3⤵
- Suspicious use of WriteProcessMemory
PID:2384

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc daily /tn WindowsSecurityPatch /tr C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe /st 11:00 /f
4⤵
- Creates scheduled task(s)
PID:3732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3504 -s 860
3⤵
- Program crash
PID:2060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3504 -ip 3504
1⤵
PID:3496

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

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

C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe
Filesize
659KB

MD5
04f7ee1aa5e29d2f2d4ea6b539d20709

SHA1
f72d2f06ee7aeaa9180e9ba3132192332dcc1bf8

SHA256
e9d550d9a18dd0efee23eb189ba79917d39e5c33fc1dfac662248868c260f073

SHA512
d317a7a15165ebb5f04d2a77cb26359afda8a53e3a998c79fc31984581d3fde676b8c017fe80d59a1592ede7e000a48b9733c193bd0d35546ac35cb5346c81c8

Download Submit
C:\Users\Admin\AppData\Roaming\WindowsSecurity.exe
Filesize
659KB

MD5
04f7ee1aa5e29d2f2d4ea6b539d20709

SHA1
f72d2f06ee7aeaa9180e9ba3132192332dcc1bf8

SHA256
e9d550d9a18dd0efee23eb189ba79917d39e5c33fc1dfac662248868c260f073

SHA512
d317a7a15165ebb5f04d2a77cb26359afda8a53e3a998c79fc31984581d3fde676b8c017fe80d59a1592ede7e000a48b9733c193bd0d35546ac35cb5346c81c8

Download Submit
memory/2384-141-0x0000000000000000-mapping.dmp

Download
memory/3504-138-0x0000000000000000-mapping.dmp

Download
memory/3732-142-0x0000000000000000-mapping.dmp

Download
memory/4616-135-0x00007FF978CB0000-0x00007FF978CC0000-memory.dmp

Filesize
64KB

Download
memory/4616-136-0x00007FF978CB0000-0x00007FF978CC0000-memory.dmp

Filesize
64KB

Download
memory/4616-137-0x000002DC333A0000-0x000002DC333A4000-memory.dmp

Filesize
16KB

Download
memory/4616-134-0x00007FF97B5B0000-0x00007FF97B5C0000-memory.dmp

Filesize
64KB

Download
memory/4616-133-0x00007FF97B5B0000-0x00007FF97B5C0000-memory.dmp

Filesize
64KB

Download
memory/4616-132-0x00007FF97B5B0000-0x00007FF97B5C0000-memory.dmp

Filesize
64KB

Download
memory/4616-131-0x00007FF97B5B0000-0x00007FF97B5C0000-memory.dmp

Filesize
64KB

Download
memory/4616-130-0x00007FF97B5B0000-0x00007FF97B5C0000-memory.dmp

Filesize
64KB

Download
memory/4616-144-0x00007FF97B5B0000-0x00007FF97B5C0000-memory.dmp

Filesize
64KB

Download
memory/4616-145-0x00007FF97B5B0000-0x00007FF97B5C0000-memory.dmp

Filesize
64KB

Download
memory/4616-146-0x00007FF97B5B0000-0x00007FF97B5C0000-memory.dmp

Filesize
64KB

Download
memory/4616-147-0x00007FF97B5B0000-0x00007FF97B5C0000-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