56754abf3731d99b740618119f73736894c6aba81fde45ee27f864f10b376341

Analysis

max time kernel
105s
max time network
57s
platform
windows7_x64
resource
win7v200430
submitted
09-07-2020 19:00

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General

Target

account_invoice_5918.xls
Size

166KB
MD5

a13b46e0c9153d4ce366ad65c4d2fc04
SHA1

bd1c268034ab18a61ef5bb2f4c75de70fd739124
SHA256

56754abf3731d99b740618119f73736894c6aba81fde45ee27f864f10b376341
SHA512

54cfc04fe000011ea8ecc12988dfa9b4f572093d187a5bc3473333ae142990130165bbf71a5b1751ab454f40535eb2d8ce01d642cffb5f22646b79411fb5a40f

Score

6^/10

Malware Config

Signatures

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1296 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1296 EXCEL.EXE
1296 EXCEL.EXE
1296 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

EXCEL.EXE

pid process

1296 EXCEL.EXE

pid	process
1296	EXCEL.EXE

pid	process
1296	EXCEL.EXE
1296	EXCEL.EXE
1296	EXCEL.EXE

pid	process
1296	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	1412	1296	DW20.EXE	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEDW20.EXE

description	pid	process	target process
PID 1296 wrote to memory of 1412	1296	EXCEL.EXE	DW20.EXE
PID 1296 wrote to memory of 1412	1296	EXCEL.EXE	DW20.EXE
PID 1296 wrote to memory of 1412	1296	EXCEL.EXE	DW20.EXE
PID 1296 wrote to memory of 1412	1296	EXCEL.EXE	DW20.EXE
PID 1296 wrote to memory of 1412	1296	EXCEL.EXE	DW20.EXE
PID 1412 wrote to memory of 1520	1412	DW20.EXE	dwwin.exe
PID 1412 wrote to memory of 1520	1412	DW20.EXE	dwwin.exe
PID 1412 wrote to memory of 1520	1412	DW20.EXE	dwwin.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

dwwin.exe

pid process

1520 dwwin.exe

pid	process
1520	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\account_invoice_5918.xls
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1296

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:1412

C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 1160
3⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:1520

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\99528.cvr

Download Submit
memory/1412-0-0x0000000000000000-mapping.dmp

Download
memory/1520-1-0x0000000000000000-mapping.dmp

Download
memory/1520-2-0x0000000001EE0000-0x0000000001EF1000-memory.dmp

Filesize
68KB

Download
memory/1520-4-0x00000000022B0000-0x00000000022C1000-memory.dmp

Filesize
68KB

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