ff70ea7eea3c333d0881b857cc30e4db52bc7a2b5e0d5ea82f60d0b55ed5cb65

General

Target

ff70ea7eea3c333d0881b857cc30e4db52bc7a2b5e0d5ea82f60d0b55ed5cb65.xlsm
Size

92KB
MD5

2b155ffd806db1f9b60acec0e221a911
SHA1

14aff8bb65ae9f57bb7db5bfa16492916b004561
SHA256

ff70ea7eea3c333d0881b857cc30e4db52bc7a2b5e0d5ea82f60d0b55ed5cb65
SHA512

ffff8ee0cf09f46a42a22784bb7ed6868d23ba84ddae83a14082975374fc181960662316d24e376baf040610ee88f726b6d7ad9f15bcc8036130573c5ce6e04f
SSDEEP

1536:CguZCa6S5khUIX6W+e4znOSjhLkKAGa/M1NIpPkUlB7583fjncFYIIZCFU:Cgugapkhl1aPjpkKa/Ms8ULavLcAX

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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1512	3864	DW20.EXE	81

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dwwin.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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3864	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE
3864	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3864 wrote to memory of 1512	3864	EXCEL.EXE	85
PID 3864 wrote to memory of 1512	3864	EXCEL.EXE	85
PID 1512 wrote to memory of 940	1512	DW20.EXE	86
PID 1512 wrote to memory of 940	1512	DW20.EXE	86

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\ff70ea7eea3c333d0881b857cc30e4db52bc7a2b5e0d5ea82f60d0b55ed5cb65.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3864
- 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 4936
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:1512
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 4936
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1512-51-0x00007FF88B970000-0x00007FF88B980000-memory.dmp

Filesize
64KB

Download
memory/1512-50-0x00007FF88B970000-0x00007FF88B980000-memory.dmp

Filesize
64KB

Download
memory/1512-52-0x00007FF88B970000-0x00007FF88B980000-memory.dmp

Filesize
64KB

Download
memory/1512-53-0x00007FF88B970000-0x00007FF88B980000-memory.dmp

Filesize
64KB

Download
memory/3864-10-0x00007FF8CB8F0000-0x00007FF8CBAE5000-memory.dmp

Filesize
2.0MB

Download
memory/3864-8-0x00007FF8CB8F0000-0x00007FF8CBAE5000-memory.dmp

Filesize
2.0MB

Download
memory/3864-4-0x00007FF88B970000-0x00007FF88B980000-memory.dmp

Filesize
64KB

Download
memory/3864-7-0x00007FF88B970000-0x00007FF88B980000-memory.dmp

Filesize
64KB

Download
memory/3864-3-0x00007FF8CB98D000-0x00007FF8CB98E000-memory.dmp

Filesize
4KB

Download
memory/3864-9-0x00007FF8CB8F0000-0x00007FF8CBAE5000-memory.dmp

Filesize
2.0MB

Download
memory/3864-11-0x00007FF8CB8F0000-0x00007FF8CBAE5000-memory.dmp

Filesize
2.0MB

Download
memory/3864-5-0x00007FF8CB8F0000-0x00007FF8CBAE5000-memory.dmp

Filesize
2.0MB

Download
memory/3864-12-0x00007FF889870000-0x00007FF889880000-memory.dmp

Filesize
64KB

Download
memory/3864-13-0x00007FF889870000-0x00007FF889880000-memory.dmp

Filesize
64KB

Download
memory/3864-6-0x00007FF8CB8F0000-0x00007FF8CBAE5000-memory.dmp

Filesize
2.0MB

Download
memory/3864-1-0x00007FF88B970000-0x00007FF88B980000-memory.dmp

Filesize
64KB

Download
memory/3864-0-0x00007FF88B970000-0x00007FF88B980000-memory.dmp

Filesize
64KB

Download
memory/3864-2-0x00007FF88B970000-0x00007FF88B980000-memory.dmp

Filesize
64KB

Download
memory/3864-54-0x00007FF8CB8F0000-0x00007FF8CBAE5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads