815d71524ed41e28a38222c821ce848ae6e6b925c0ea620d5bdc1aa66e58fa73

Analysis

max time kernel
103s
max time network
66s
platform
windows7_x64
resource
win7
submitted
25/06/2020, 06:56

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General

Target
inv_281.xls
Size 283KB
Sample200625-e176xkzzea
SHA256 815d71524ed41e28a38222c821ce848ae6e6b925c0ea620d5bdc1aa66e58fa73
MD5 9f0fbc1d2351ee426c0c715bb9688612
SHA1 49d5be159725054c28e671f3004edf2e5d9e1bcd
SHA512 6ebf7d1dfd0fc780cbe1dab535f1d52cf2e795cc67e3e12406ee8b0a9aac946deed8d2d7b0ccb649fc6ee442ca857ec17b5f7c657fe5c967187f869e41086a56
MD5 SHA1 SHA512

Score

6^/10

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1156	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	1372	1156	DW20.EXE	23

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1156 wrote to memory of 1372	1156	EXCEL.EXE	24
PID 1156 wrote to memory of 1372	1156	EXCEL.EXE	24
PID 1156 wrote to memory of 1372	1156	EXCEL.EXE	24
PID 1156 wrote to memory of 1372	1156	EXCEL.EXE	24
PID 1156 wrote to memory of 1372	1156	EXCEL.EXE	24
PID 1372 wrote to memory of 1440	1372	DW20.EXE	25
PID 1372 wrote to memory of 1440	1372	DW20.EXE	25
PID 1372 wrote to memory of 1440	1372	DW20.EXE	25

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1440	dwwin.exe

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1156	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1156	EXCEL.EXE
1156	EXCEL.EXE
1156	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\inv_281.xls
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1156
- C:\PROGRA~1\COMMON~1\MICROS~1\DW\DW20.EXE
  "C:\PROGRA~1\COMMON~1\MICROS~1\DW\DW20.EXE" -x -s 1224
  2⤵
  - Process spawned suspicious child process
  - Suspicious use of WriteProcessMemory
  PID:1372
- - C:\Windows\system32\dwwin.exe
    C:\Windows\system32\dwwin.exe -x -s 1224
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    PID:1440

Network

MITRE ATT&CK Matrix

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Downloads

memory/1440-2-0x0000000001C30000-0x0000000001C41000-memory.dmp

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memory/1440-4-0x0000000002330000-0x0000000002341000-memory.dmp

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