027e355c782feb5a0feec8d6fe004073e0d2f7d0d146fb81c3439f81e09d5aed

Analysis

max time kernel
134s
max time network
6s
platform
windows7_x64
resource
win7v200430
submitted
13-07-2020 20:00

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General

Target

SecuriteInfo.com.DOC.Kryptik.Q.17206.xls
Size

297KB
MD5

62e26facf7fccf4cd98fb2d8064bbda4
SHA1

6ca90193994b32e20f014b773e984be29cdb415f
SHA256

027e355c782feb5a0feec8d6fe004073e0d2f7d0d146fb81c3439f81e09d5aed
SHA512

aa7f178103bec3e3e2b8091e5a35fc00d68eb5809460fd7a785a1bddf0289d23ed603d82487e543df4a0e1435348f497f537e069574416f87b0416e5c208b4f6

Score

6^/10

Malware Config

Signatures

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

dwwin.exe

pid process

1536 dwwin.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1600 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1600 EXCEL.EXE
1600 EXCEL.EXE
1600 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

EXCEL.EXE

pid process

1600 EXCEL.EXE

pid	process
1536	dwwin.exe

pid	process
1600	EXCEL.EXE

pid	process
1600	EXCEL.EXE
1600	EXCEL.EXE
1600	EXCEL.EXE

pid	process
1600	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	1036	1600	DW20.EXE	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

EXCEL.EXEDW20.EXE

description	pid	process	target process
PID 1600 wrote to memory of 1036	1600	EXCEL.EXE	DW20.EXE
PID 1600 wrote to memory of 1036	1600	EXCEL.EXE	DW20.EXE
PID 1600 wrote to memory of 1036	1600	EXCEL.EXE	DW20.EXE
PID 1600 wrote to memory of 1036	1600	EXCEL.EXE	DW20.EXE
PID 1600 wrote to memory of 1036	1600	EXCEL.EXE	DW20.EXE
PID 1036 wrote to memory of 1536	1036	DW20.EXE	dwwin.exe
PID 1036 wrote to memory of 1536	1036	DW20.EXE	dwwin.exe
PID 1036 wrote to memory of 1536	1036	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\SecuriteInfo.com.DOC.Kryptik.Q.17206.xls
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1600

C:\PROGRA~1\COMMON~1\MICROS~1\DW\DW20.EXE
"C:\PROGRA~1\COMMON~1\MICROS~1\DW\DW20.EXE" -x -s 1172
2⤵
- Process spawned suspicious child process
- Suspicious use of WriteProcessMemory
PID:1036

C:\Windows\system32\dwwin.exe
C:\Windows\system32\dwwin.exe -x -s 1172
3⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:1536

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\126470.cvr

Download Submit
memory/1036-0-0x0000000000000000-mapping.dmp

Download
memory/1536-1-0x0000000000000000-mapping.dmp

Download
memory/1536-2-0x0000000001D90000-0x0000000001DA1000-memory.dmp

Filesize
68KB

Download
memory/1536-4-0x0000000002310000-0x0000000002321000-memory.dmp

Filesize
68KB

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