Analysis
- max time kernel
144s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
05/06/2023, 20:48
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
4 signatures
150 seconds
General
- Target file.exe
- Size 263KB
- Sample230605-zleftabd2z
- SHA256 4406711113df2e32ba7a4d0ca3befc8f2572646d6b48e494fd42633fed60e328
- MD5 00e2db89532040c67ffd107ce99200ff
- SHA1 ecfa050c622f9a8937c241f4612b18e71a10b37f
- SHA512 e0db858ada8ab45ce009db7cdc3613496951cc9c27b68dec72586d68dbf605e43e9a4a616418710065a121046c8d03eb77b9131522677d1d1e527ce1b7e89b47
- SSDEEP 3072:BgU/XdoE8Rk3EXyEx6lnortV5sEqirdUkx+uzyHvP0AwpRPfMvgpm9jDQi9j0dUR:WUVogdlqP5SLyyEVRPfMJQiUA
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
systembc
C2
-
23.95.44.228:53
Signatures
- Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 23.95.44.228 - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\Tasks\wow64.job file.exe File created C:\Windows\Tasks\wow64.job file.exe - Program crash 1 IoCs
pid pid_target Process procid_target 3068 2820 WerFault.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Drops file in Windows directory
PID:2820 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2820 -s 9442⤵
- Program crash
PID:3068
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2820 -ip 28201⤵PID:3096
-
C:\Users\Admin\AppData\Local\Temp\file.exeC:\Users\Admin\AppData\Local\Temp\file.exe start1⤵PID:1388