2b354d7dccd32f56af516f35821d9d389271da55cd4c9c7a97f30303d1136e04

Analysis

max time kernel
151s
max time network
56s
platform
windows7_x64
resource
win7v200430
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: GetForegroundWindowSpam 1 IoCs

Processes:

dwwin.exe

pid process

1520 dwwin.exe
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
1520	dwwin.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

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Form_1099_1793465.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\100807.cvr

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

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

Download
memory/1520-2-0x0000000001E20000-0x0000000001E31000-memory.dmp

Filesize
68KB

Download
memory/1520-4-0x0000000002330000-0x0000000002341000-memory.dmp

Filesize
68KB

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