2b354d7dccd32f56af516f35821d9d389271da55cd4c9c7a97f30303d1136e04

Analysis

max time kernel
61s
max time network
67s
platform
windows10_x64
resource
win10
submitted
08-07-2020 05:39

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General

Target

Form_1099_1793465.xls
Size

78KB
MD5

ea758830f5d03ac75190267289d4971a
SHA1

de0c22735fe3f82d8d05bc8249c968638cd6c6b1
SHA256

2b354d7dccd32f56af516f35821d9d389271da55cd4c9c7a97f30303d1136e04
SHA512

fcf8704d595ec636730a2849bd3f417250677c92b6bb777c6b019f53bdb093225e45d80b363cb4d7af6a6a93962fa874afb906db175fb4591993fbcdc1f104c2

Score

6^/10

Malware Config

Signatures

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3536 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

EXCEL.EXEdwwin.exe

pid process

3536 EXCEL.EXE
3536 EXCEL.EXE
1664 dwwin.exe
1664 dwwin.exe

pid	process
3536	EXCEL.EXE

pid	process
3536	EXCEL.EXE
3536	EXCEL.EXE
1664	dwwin.exe
1664	dwwin.exe

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	3376	3536	DW20.EXE	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXEDW20.EXE

description	pid	process	target process
PID 3536 wrote to memory of 3376	3536	EXCEL.EXE	DW20.EXE
PID 3536 wrote to memory of 3376	3536	EXCEL.EXE	DW20.EXE
PID 3376 wrote to memory of 1664	3376	DW20.EXE	dwwin.exe
PID 3376 wrote to memory of 1664	3376	DW20.EXE	dwwin.exe

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

3536 EXCEL.EXE
3536 EXCEL.EXE
3536 EXCEL.EXE
3536 EXCEL.EXE
3536 EXCEL.EXE
3536 EXCEL.EXE
3536 EXCEL.EXE
3536 EXCEL.EXE

pid	process
3536	EXCEL.EXE
3536	EXCEL.EXE
3536	EXCEL.EXE
3536	EXCEL.EXE
3536	EXCEL.EXE
3536	EXCEL.EXE
3536	EXCEL.EXE
3536	EXCEL.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\Form_1099_1793465.xls"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious use of SetWindowsHookEx
PID:3536

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 4180
2⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:3376

C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 4180
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1664

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1664-1-0x0000000000000000-mapping.dmp

Download
memory/1664-2-0x0000014AAA110000-0x0000014AAA111000-memory.dmp

Filesize
4KB

Download
memory/1664-3-0x0000014AAA110000-0x0000014AAA111000-memory.dmp

Filesize
4KB

Download
memory/1664-5-0x0000014AAA870000-0x0000014AAA871000-memory.dmp

Filesize
4KB

Download
memory/1664-8-0x0000014AAAB60000-0x0000014AAAB61000-memory.dmp

Filesize
4KB

Download
memory/1664-9-0x0000014AAAB60000-0x0000014AAAB61000-memory.dmp

Filesize
4KB

Download
memory/1664-10-0x0000014AAAB60000-0x0000014AAAB61000-memory.dmp

Filesize
4KB

Download
memory/3376-0-0x0000000000000000-mapping.dmp

Download