nullmixer

General

Target

ecc730e92cc383c24fce95de7c064605
Size

2.6MB
Sample

231228-wcwryscbgl
MD5

ecc730e92cc383c24fce95de7c064605
SHA1

6f8e2e3080e9637cf0dd14eab772896dde10aede
SHA256

a651672f98fba458ca8b6861557119c81d12afcb705c457d65dd2b44dcc499fe
SHA512

be3568ad47bd3870146da1dff1ad1ef5be5fac1d0d2519afb3da5130a9c70d307f17c1920a4a871c8ff46390598f27746bfe2c6df17284b1bef91d6135653f0c
SSDEEP

49152:EgF+Rpq79sfUT6PRkP2D7cV8vrPJvBf7E7gQuSuanWlvMwAhb5dLbHSVH:JQUQpkPMhrPzDPYuqW9UdLbs

Score

10^/10

Malware Config

Extracted

Family

nullmixer

C2

http://sokiran.xyz/

Extracted

Family

vidar

Version

39.7

Botnet

933

C2

https://shpak125.tumblr.com/

Attributes

profile_id
933

Extracted

Family

smokeloader

Botnet

pub5

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32

Targets

- Target
  
  ecc730e92cc383c24fce95de7c064605
- Size
  
  2.6MB
- MD5
  
  ecc730e92cc383c24fce95de7c064605
- SHA1
  
  6f8e2e3080e9637cf0dd14eab772896dde10aede
- SHA256
  
  a651672f98fba458ca8b6861557119c81d12afcb705c457d65dd2b44dcc499fe
- SHA512
  
  be3568ad47bd3870146da1dff1ad1ef5be5fac1d0d2519afb3da5130a9c70d307f17c1920a4a871c8ff46390598f27746bfe2c6df17284b1bef91d6135653f0c
- SSDEEP
  
  49152:EgF+Rpq79sfUT6PRkP2D7cV8vrPJvBf7E7gQuSuanWlvMwAhb5dLbHSVH:JQUQpkPMhrPzDPYuqW9UdLbs
Score

10^/10

nullmixer smokeloader vidar 933 pub5 aspackv2 backdoor dropper evasion stealer trojan
- Modifies Windows Defender Real-time Protection settings
  evasion trojan
- NullMixer
  NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.
  dropper nullmixer
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Vidar Stealer
  stealer
- ASPack v2.12-2.42
  Detects executables packed with ASPack v2.12-2.42
  aspackv2
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Unexpected DNS network traffic destination
  Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Legitimate hosting services abused for malware hosting/C2
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in System32 directory
- Suspicious use of SetThreadContext
behavioral1 behavioral2