7b18c2d4f575a034a2e175de3095170513e0f14ae2be151a0919ec569cb91a8c

Analysis

max time kernel
143s
max time network
37s
platform
windows7_x64
resource
win7v200430
submitted
09/07/2020, 07:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

IRS_Tax_8346349.xls
Size

85KB
MD5

18354afc1b95a90fcd02d608c2306a4a
SHA1

3b864eb00b8cb4303486476d67c762d46045dbb3
SHA256

7b18c2d4f575a034a2e175de3095170513e0f14ae2be151a0919ec569cb91a8c
SHA512

c10237937b16367640eca7a9b0221641a2e2154f6e7a20f9bdc62dd3522c23935d788d68c1dc6f0a8c47ea0984d217ab361021ee01a9452400fefec0ec549f65

Score

6^/10

Malware Config

Signatures

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
676	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
676	EXCEL.EXE
676	EXCEL.EXE
676	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
676	EXCEL.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.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1044	676	DW20.EXE	23

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 676 wrote to memory of 1044	676	EXCEL.EXE	24
PID 676 wrote to memory of 1044	676	EXCEL.EXE	24
PID 676 wrote to memory of 1044	676	EXCEL.EXE	24
PID 676 wrote to memory of 1044	676	EXCEL.EXE	24
PID 676 wrote to memory of 1044	676	EXCEL.EXE	24
PID 1044 wrote to memory of 1032	1044	DW20.EXE	25
PID 1044 wrote to memory of 1032	1044	DW20.EXE	25
PID 1044 wrote to memory of 1032	1044	DW20.EXE	25

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1032	dwwin.exe

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\IRS_Tax_8346349.xls
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:676
- C:\PROGRA~1\COMMON~1\MICROS~1\DW\DW20.EXE
  "C:\PROGRA~1\COMMON~1\MICROS~1\DW\DW20.EXE" -x -s 1160
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:1044
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 1160
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    PID:1032

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1032-2-0x0000000001E20000-0x0000000001E31000-memory.dmp

Filesize
68KB

Download
memory/1032-4-0x0000000002290000-0x00000000022A1000-memory.dmp

Filesize
68KB

Download