nullmixer

General

Target

4cc2560de1b2a15d3c8b8580154154af
Size

2.4MB
Sample

240108-3nz23sfeem
MD5

4cc2560de1b2a15d3c8b8580154154af
SHA1

ae4ee80e9d7c315b66fc3e4f62d9ae1d25463ccc
SHA256

2120d92e96ad3e11b8e35cd6cf867e95c31b64d4d4e43c661560b6ab281bd306
SHA512

e4ffb1701a54884d053b5f17ce494a6e723ec3005a5fb967bbca021a3a6fe434e608b1a6e0f92e2b35b4f1624794b72147e339fe6ba2eecf384cf01bd469383a
SSDEEP

49152:EgBNMZwos3cWf3pyjfoQbdBXPUKwXGEOBRT2Os3ch1MVje8bSO:JBNz7f3UxtsKc5soZe83

Score

10^/10

Malware Config

Extracted

Family

nullmixer

C2

http://razino.xyz/

Extracted

Family

smokeloader

Botnet

pub5

Extracted

Family

vidar

Version

39.6

Botnet

933

C2

https://sslamlssa1.tumblr.com/

Attributes

profile_id
933

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
  
  4cc2560de1b2a15d3c8b8580154154af
- Size
  
  2.4MB
- MD5
  
  4cc2560de1b2a15d3c8b8580154154af
- SHA1
  
  ae4ee80e9d7c315b66fc3e4f62d9ae1d25463ccc
- SHA256
  
  2120d92e96ad3e11b8e35cd6cf867e95c31b64d4d4e43c661560b6ab281bd306
- SHA512
  
  e4ffb1701a54884d053b5f17ce494a6e723ec3005a5fb967bbca021a3a6fe434e608b1a6e0f92e2b35b4f1624794b72147e339fe6ba2eecf384cf01bd469383a
- SSDEEP
  
  49152:EgBNMZwos3cWf3pyjfoQbdBXPUKwXGEOBRT2Os3ch1MVje8bSO:JBNz7f3UxtsKc5soZe83
Score

10^/10

nullmixer privateloader risepro smokeloader vidar 933 pub5 aspackv2 backdoor dropper evasion loader 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
- PrivateLoader
  PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
  loader privateloader
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- RisePro
  RisePro stealer is an infostealer distributed by PrivateLoader.
  stealer risepro
- 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.
- 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