024054ff04e0fd75a4765dd705067a6b336caa751f0a804fefce787382ac45c1

General

Target

024054ff04e0fd75a4765dd705067a6b336caa751f0a804fefce787382ac45c1.xls
Size

8.6MB
MD5

c6e7af8d31a951b8c05565ab18c4f258
SHA1

8da49c2dbaf1abd4b2ba81669b201e2ab5b95926
SHA256

024054ff04e0fd75a4765dd705067a6b336caa751f0a804fefce787382ac45c1
SHA512

3919cb6d07dc31324ad89e35ebdc80b450e4cf9b86edd5e22e44429315f6a83d81ed526b04236e921e5e5637397c33ee1a76aee1fcd46ba7182f3bdcbd24fe54
SSDEEP

196608:b3Rb8KqbcIo/wXJFqQpZu/xqOR/xn94Wtprc7h:L2V3mwvq2Un59rz

Score

6^/10

Malware Config

Signatures

Process spawned suspicious child process 1 IoCs

This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

Processes:

DW20.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	3536	2832	DW20.EXE	EXCEL.EXE

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXEdwwin.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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dwwin.exe

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

dwwin.exeEXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwwin.exe
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

2832 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

EXCEL.EXE

pid process

2832 EXCEL.EXE
2832 EXCEL.EXE
2832 EXCEL.EXE
2832 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

2832 EXCEL.EXE
2832 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
2832	EXCEL.EXE
2832	EXCEL.EXE
2832	EXCEL.EXE
2832	EXCEL.EXE
2832	EXCEL.EXE
2832	EXCEL.EXE
2832	EXCEL.EXE
2832	EXCEL.EXE
2832	EXCEL.EXE
2832	EXCEL.EXE
2832	EXCEL.EXE
2832	EXCEL.EXE
2832	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXEDW20.EXE

description	pid	process	target process
PID 2832 wrote to memory of 1480	2832	EXCEL.EXE	splwow64.exe
PID 2832 wrote to memory of 1480	2832	EXCEL.EXE	splwow64.exe
PID 2832 wrote to memory of 3536	2832	EXCEL.EXE	DW20.EXE
PID 2832 wrote to memory of 3536	2832	EXCEL.EXE	DW20.EXE
PID 3536 wrote to memory of 4360	3536	DW20.EXE	dwwin.exe
PID 3536 wrote to memory of 4360	3536	DW20.EXE	dwwin.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\024054ff04e0fd75a4765dd705067a6b336caa751f0a804fefce787382ac45c1.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2832

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1480

C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
"C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4860
2⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3536

C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 4860
3⤵
- Checks processor information in registry
- Enumerates system info in registry
PID:4360

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:1880

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2832-18-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-83-0x000001C5F2C20000-0x000001C5F3420000-memory.dmp

Filesize
8.0MB

Download
memory/2832-0-0x00007FFC85210000-0x00007FFC85220000-memory.dmp

Filesize
64KB

Download
memory/2832-3-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-4-0x00007FFC85210000-0x00007FFC85220000-memory.dmp

Filesize
64KB

Download
memory/2832-5-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-7-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-8-0x00007FFC85210000-0x00007FFC85220000-memory.dmp

Filesize
64KB

Download
memory/2832-6-0x00007FFC85210000-0x00007FFC85220000-memory.dmp

Filesize
64KB

Download
memory/2832-9-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-11-0x00007FFC83100000-0x00007FFC83110000-memory.dmp

Filesize
64KB

Download
memory/2832-12-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-13-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-20-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-14-0x00007FFC83100000-0x00007FFC83110000-memory.dmp

Filesize
64KB

Download
memory/2832-15-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-16-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-17-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-104-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-2-0x00007FFC85210000-0x00007FFC85220000-memory.dmp

Filesize
64KB

Download
memory/2832-10-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-21-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-22-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-32-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-40-0x000001C5F2C20000-0x000001C5F3420000-memory.dmp

Filesize
8.0MB

Download
memory/2832-44-0x000001C5F2C20000-0x000001C5F3420000-memory.dmp

Filesize
8.0MB

Download
memory/2832-45-0x000001C5F2C20000-0x000001C5F3420000-memory.dmp

Filesize
8.0MB

Download
memory/2832-82-0x000001C5F2C20000-0x000001C5F3420000-memory.dmp

Filesize
8.0MB

Download
memory/2832-1-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/2832-19-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/3536-90-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/3536-91-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/3536-92-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/3536-88-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download
memory/3536-100-0x00007FFC85210000-0x00007FFC85220000-memory.dmp

Filesize
64KB

Download
memory/3536-101-0x00007FFC85210000-0x00007FFC85220000-memory.dmp

Filesize
64KB

Download
memory/3536-102-0x00007FFC85210000-0x00007FFC85220000-memory.dmp

Filesize
64KB

Download
memory/3536-99-0x00007FFC85210000-0x00007FFC85220000-memory.dmp

Filesize
64KB

Download
memory/3536-103-0x00007FFCC5190000-0x00007FFCC5385000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads