a29c5c74a10ecc2aa343ec8da39c2549ceaad1f6d1cd7a2b1ddaf8f15d913c2c

Analysis

max time kernel
103s
max time network
37s
platform
windows7_x64
resource
win7
submitted
09-07-2020 15:10

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General

Target

W2_tax.xls
Size

78KB
MD5

1fd2f585ce9317cb4ef6e4c233ada13d
SHA1

3357e3ea80149ca4e70d3d2ff1a362c8c7bd2c9d
SHA256

a29c5c74a10ecc2aa343ec8da39c2549ceaad1f6d1cd7a2b1ddaf8f15d913c2c
SHA512

0e90c2855aa6b815c5caf1c6f83c2bf1dd7d590a92744f90627383c6376a59ea38b5dd1d093c74e40a9a93d662c437de10201c9b85e671ba3a6145df2482184c

Score

6^/10

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

EXCEL.EXE

pid process

1544 EXCEL.EXE

pid	process
1544	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.

Processes:

DW20.EXE

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	752	1544	DW20.EXE	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEDW20.EXE

description	pid	process	target process
PID 1544 wrote to memory of 752	1544	EXCEL.EXE	DW20.EXE
PID 1544 wrote to memory of 752	1544	EXCEL.EXE	DW20.EXE
PID 1544 wrote to memory of 752	1544	EXCEL.EXE	DW20.EXE
PID 1544 wrote to memory of 752	1544	EXCEL.EXE	DW20.EXE
PID 1544 wrote to memory of 752	1544	EXCEL.EXE	DW20.EXE
PID 752 wrote to memory of 324	752	DW20.EXE	dwwin.exe
PID 752 wrote to memory of 324	752	DW20.EXE	dwwin.exe
PID 752 wrote to memory of 324	752	DW20.EXE	dwwin.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

dwwin.exe

pid process

324 dwwin.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1544 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1544 EXCEL.EXE
1544 EXCEL.EXE
1544 EXCEL.EXE

pid	process
324	dwwin.exe

pid	process
1544	EXCEL.EXE

pid	process
1544	EXCEL.EXE
1544	EXCEL.EXE
1544	EXCEL.EXE

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\W2_tax.xls
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1544

C:\PROGRA~1\COMMON~1\MICROS~1\DW\DW20.EXE
"C:\PROGRA~1\COMMON~1\MICROS~1\DW\DW20.EXE" -x -s 1156
2⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:752

C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 1156
3⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:324

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\67267.cvr

Download Submit
memory/324-1-0x0000000000000000-mapping.dmp

Download
memory/324-2-0x0000000001D80000-0x0000000001D91000-memory.dmp

Filesize
68KB

Download
memory/324-4-0x0000000002300000-0x0000000002311000-memory.dmp

Filesize
68KB

Download
memory/752-0-0x0000000000000000-mapping.dmp

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