e0bf9850654abb33a62318006403e767d59b76b5e2b8cd879afb9fcfed6d53d7

Analysis

max time kernel
170s
max time network
160s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
04/11/2023, 10:08

Target

NEAS.4bcf6f7fdc714613dae6c5df5cb0bbd0_JC.dll
Size

76KB
MD5

4bcf6f7fdc714613dae6c5df5cb0bbd0
SHA1

947407067c3d22741b066e4fe862b5daa53cb55f
SHA256

e0bf9850654abb33a62318006403e767d59b76b5e2b8cd879afb9fcfed6d53d7
SHA512

ca38c44bda7a299120faa7f017b53839b314bbb04ee19ad1885a65f05b77bf325536c230ff6ee6f12672edb9f66d2440fbaa8c2bb1225691db438197c3c9522e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z+V40MH:c8y93KQjy7G55riF1cMo03040i

Score

7^/10

upx

UPX packed file 2 IoCs

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

resource	yara_rule
behavioral1/memory/3052-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/3052-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2604	3052	WerFault.exe	29

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3052	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 3052	1388	rundll32.exe	29
PID 1388 wrote to memory of 3052	1388	rundll32.exe	29
PID 1388 wrote to memory of 3052	1388	rundll32.exe	29
PID 1388 wrote to memory of 3052	1388	rundll32.exe	29
PID 1388 wrote to memory of 3052	1388	rundll32.exe	29
PID 1388 wrote to memory of 3052	1388	rundll32.exe	29
PID 1388 wrote to memory of 3052	1388	rundll32.exe	29
PID 3052 wrote to memory of 2604	3052	rundll32.exe	30
PID 3052 wrote to memory of 2604	3052	rundll32.exe	30
PID 3052 wrote to memory of 2604	3052	rundll32.exe	30
PID 3052 wrote to memory of 2604	3052	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.4bcf6f7fdc714613dae6c5df5cb0bbd0_JC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.4bcf6f7fdc714613dae6c5df5cb0bbd0_JC.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 272
    3⤵
    - Program crash
    PID:2604

memory/3052-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3052-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download