nullmixer

General

Target

5f602e4e99943fb97e71990ce6eaab90
Size

2.6MB
Sample

231226-j8wqlsghaq
MD5

5f602e4e99943fb97e71990ce6eaab90
SHA1

aa7fd6f5ea73074ae64a989469fcc14a6ac3e2f3
SHA256

3cee28ef52c59c99b841c6927f5085e483523cb8b606ff9ce5d60b3c13574545
SHA512

db30274ca70ad39daf7643bf6d21ff338bdb0b39510f09e215d8440a534e47bb32460587a92c76fd8f3549a850dea43aa77b8dedb48481f221de05e451d95312
SSDEEP

49152:xcBIPkZVi7iKiF8cUvFyP2jckAjxt3htaPkvAesMMOZEwJ84vLRaBtIl9mTzKJJ:xuri7ixZUvFyPScjVt4j/hCvLUBsK+n

Score

10^/10

Malware Config

Extracted

Family

nullmixer

C2

http://sokiran.xyz/

Extracted

Family

smokeloader

Botnet

pub5

Extracted

Family

vidar

Version

39.7

Botnet

933

C2

https://shpak125.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
  
  5f602e4e99943fb97e71990ce6eaab90
- Size
  
  2.6MB
- MD5
  
  5f602e4e99943fb97e71990ce6eaab90
- SHA1
  
  aa7fd6f5ea73074ae64a989469fcc14a6ac3e2f3
- SHA256
  
  3cee28ef52c59c99b841c6927f5085e483523cb8b606ff9ce5d60b3c13574545
- SHA512
  
  db30274ca70ad39daf7643bf6d21ff338bdb0b39510f09e215d8440a534e47bb32460587a92c76fd8f3549a850dea43aa77b8dedb48481f221de05e451d95312
- SSDEEP
  
  49152:xcBIPkZVi7iKiF8cUvFyP2jckAjxt3htaPkvAesMMOZEwJ84vLRaBtIl9mTzKJJ:xuri7ixZUvFyPScjVt4j/hCvLUBsK+n
Score

10^/10

nullmixer smokeloader vidar 933 pub5 aspackv2 backdoor dropper stealer trojan evasion
- 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
- 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.
behavioral1 behavioral2