d0fcef29eba72bd4f38c9fef2bfc2719502182043861459ede6a7d84de69e15f

General

Target

d0fcef29eba72bd4f38c9fef2bfc2719502182043861459ede6a7d84de69e15f.xls
Size

88KB
MD5

5070a2a3d76978b04a1b8ca05448d88b
SHA1

b3ef7867582157ed4276866bc262412ca0819c9e
SHA256

d0fcef29eba72bd4f38c9fef2bfc2719502182043861459ede6a7d84de69e15f
SHA512

7bbc296ed13b8ce756625dc5a8528b83c6254135ba0f53a59694788698378fa4bd2b3daad1ba2443bfa31ff4aac0cc4f7aab2da38cb8baabbc77fd1bd4e137de
SSDEEP

1536:Bsyehv7q2Pjx45uoDGTj+5xtekEvi8/dgL8EsAeE9jbDXQA5kWvgrPE4nWHPNc2+:Cyehv7q2Pjx45uoDGTj+5xtekEvi8/dd

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	4620	2524	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:

dwwin.exeEXCEL.EXE

description	ioc	process
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
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 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXEdwwin.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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dwwin.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dwwin.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

2524 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

EXCEL.EXE

pid process

2524 EXCEL.EXE
2524 EXCEL.EXE
2524 EXCEL.EXE
2524 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE
2524	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEDW20.EXE

description	pid	process	target process
PID 2524 wrote to memory of 4620	2524	EXCEL.EXE	DW20.EXE
PID 2524 wrote to memory of 4620	2524	EXCEL.EXE	DW20.EXE
PID 4620 wrote to memory of 3672	4620	DW20.EXE	dwwin.exe
PID 4620 wrote to memory of 3672	4620	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\d0fcef29eba72bd4f38c9fef2bfc2719502182043861459ede6a7d84de69e15f.xls"
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:2524
- 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 5012
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:4620
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 5012
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    PID:3672

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

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Downloads

memory/2524-20-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-102-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-4-0x00007FFBD9070000-0x00007FFBD9080000-memory.dmp

Filesize
64KB

Download
memory/2524-5-0x00007FFBD9070000-0x00007FFBD9080000-memory.dmp

Filesize
64KB

Download
memory/2524-2-0x00007FFBD9070000-0x00007FFBD9080000-memory.dmp

Filesize
64KB

Download
memory/2524-1-0x00007FFBD9070000-0x00007FFBD9080000-memory.dmp

Filesize
64KB

Download
memory/2524-6-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-7-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-9-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-8-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-10-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-11-0x00007FFBD6710000-0x00007FFBD6720000-memory.dmp

Filesize
64KB

Download
memory/2524-134-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-12-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-113-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-49-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-61-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-112-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-0-0x00007FFBD9070000-0x00007FFBD9080000-memory.dmp

Filesize
64KB

Download
memory/2524-3-0x00007FFC1908D000-0x00007FFC1908E000-memory.dmp

Filesize
4KB

Download
memory/2524-100-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-123-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-124-0x00007FFC18FF0000-0x00007FFC191E5000-memory.dmp

Filesize
2.0MB

Download
memory/2524-13-0x00007FFBD6710000-0x00007FFBD6720000-memory.dmp

Filesize
64KB

Download
memory/4620-133-0x00007FFBD9070000-0x00007FFBD9080000-memory.dmp

Filesize
64KB

Download
memory/4620-130-0x00007FFBD9070000-0x00007FFBD9080000-memory.dmp

Filesize
64KB

Download
memory/4620-131-0x00007FFBD9070000-0x00007FFBD9080000-memory.dmp

Filesize
64KB

Download
memory/4620-132-0x00007FFBD9070000-0x00007FFBD9080000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads