f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a

Analysis

max time kernel
134s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
15/11/2023, 15:39

Target

NEAS.f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a.dll
Size

275KB
MD5

5ba487dee668508c9f96acda32c5d84c
SHA1

02a6f24bf056fc8c10200c3a85bc56cf12d9b7dd
SHA256

f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a
SHA512

4bfe6182e3275a4cede4be5c838de299504c95c28d603fb32db4ebdabad8d827055a2e8709204a801fb66420811b881663e11080da036bc79b9b67173cda5111
SSDEEP

6144:+RR5rhZFQGrsUwF7vlPoSyHAV2A+lPM6u:+R5nWFpPoSKu

Score

7^/10

upx

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
behavioral2/memory/4708-0-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4708-1-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4708-2-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4708-3-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4708-4-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/4708-5-0x0000000010000000-0x000000001003E000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4244	4708	WerFault.exe	87
2148	4708	WerFault.exe	87

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4708	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 4708	2060	rundll32.exe	87
PID 2060 wrote to memory of 4708	2060	rundll32.exe	87
PID 2060 wrote to memory of 4708	2060	rundll32.exe	87
PID 4708 wrote to memory of 4244	4708	rundll32.exe	96
PID 4708 wrote to memory of 4244	4708	rundll32.exe	96
PID 4708 wrote to memory of 4244	4708	rundll32.exe	96

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.f4b90e1ceaa1c88458604f34205b55f5cc7bbd11dc9da6e5fb0b2dd20215774a.dll,#1
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4708
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4708 -s 644
    3⤵
    - Program crash
    PID:4244
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4708 -s 644
    3⤵
    - Program crash
    PID:2148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4708 -ip 4708
1⤵
PID:4680

memory/4708-0-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4708-1-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4708-2-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4708-3-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4708-4-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/4708-5-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download