nullmixer

General

Target

Trojan.Win32.Agentb.krec-5c97c35e6537283493bb.exe
Size

3.3MB
Sample

230626-a4mgpsgd6z
MD5

985732536f99075a7dd5673d5d3dcd32
SHA1

481d9ea2435a41a83f19025b7f2922e3e3244ed2
SHA256

5c97c35e6537283493bbfcd8fa178157898e6d266a36eadb9ab23bbcef613efc
SHA512

96bb8c3ec19e93dbf617795eaa3a7a0329214b30f0da00771d6ae98a2ea9614354aa81b9bea6596e9fe421fc82583165b92045043413bbe606551fc3793dc71c
SSDEEP

98304:y+f4v0FK2NGPQSwtgyuxdaa3k/YOoZvBu:y+f4MFKjoSGgv4PQzZvc

Score

10^/10

Malware Config

Extracted

Family

nullmixer

C2

http://hsiens.xyz/

Extracted

Family

privateloader

C2

http://37.0.10.214/proxies.txt

http://37.0.10.244/server.txt

http://wfsdragon.ru/api/setStats.php

37.0.10.237

http://91.241.19.125/pub.php?pub=one

http://sarfoods.com/index.php

Attributes

payload_url
https://cdn.discordapp.com/attachments/1003879548242374749/1003976870611669043/NiceProcessX64.bmp

https://cdn.discordapp.com/attachments/1003879548242374749/1003976754358124554/NiceProcessX32.bmp

https://cdn.discordapp.com/attachments/910842184708792331/931507465563045909/dingo_20220114120058.bmp

https://c.xyzgamec.com/userdown/2202/random.exe

http://193.56.146.76/Proxytest.exe

http://www.yzsyjyjh.com/askhelp23/askinstall23.exe

http://privacy-tools-for-you-780.com/downloads/toolspab3.exe

http://luminati-china.xyz/aman/casper2.exe

https://innovicservice.net/assets/vendor/counterup/RobCleanerInstlr95038215.exe

http://tg8.cllgxx.com/hp8/g1/yrpp1047.exe

https://cdn.discordapp.com/attachments/910842184708792331/930849718240698368/Roll.bmp

https://cdn.discordapp.com/attachments/910842184708792331/930850766787330068/real1201.bmp

https://cdn.discordapp.com/attachments/910842184708792331/930882959131693096/Installer.bmp

http://185.215.113.208/ferrari.exe

https://cdn.discordapp.com/attachments/910842184708792331/931233371110141962/LingeringsAntiphon.bmp

https://cdn.discordapp.com/attachments/910842184708792331/931285223709225071/russ.bmp

https://cdn.discordapp.com/attachments/910842184708792331/932720393201016842/filinnn.bmp

https://cdn.discordapp.com/attachments/910842184708792331/933436611427979305/build20k.bmp

https://c.xyzgamec.com/userdown/2202/random.exe

http://mnbuiy.pw/adsli/note8876.exe

http://www.yzsyjyjh.com/askhelp23/askinstall23.exe

http://luminati-china.xyz/aman/casper2.exe

https://suprimax.vet.br/css/fonts/OneCleanerInst942914.exe

http://tg8.cllgxx.com/hp8/g1/ssaa1047.exe

https://www.deezloader.app/files/Deezloader_Remix_Installer_64_bit_4.3.0_Setup.exe

https://www.deezloader.app/files/Deezloader_Remix_Installer_32_bit_4.3.0_Setup.exe

https://cdn.discordapp.com/attachments/910281601559167006/911516400005296219/anyname.exe

https://cdn.discordapp.com/attachments/910281601559167006/911516894660530226/PBsecond.exe

https://cdn.discordapp.com/attachments/910842184708792331/914047763304550410/Xpadder.bmp

Extracted

Family

smokeloader

Version

2020

C2

http://varmisende.com/upload/

http://fernandomayol.com/upload/

http://nextlytm.com/upload/

http://people4jan.com/upload/

http://asfaltwerk.com/upload/

rc4.i32

Extracted

Family

vidar

Version

40.1

Botnet

706

C2

https://eduarroma.tumblr.com/

Attributes

profile_id
706

Targets

- Target
  
  Trojan.Win32.Agentb.krec-5c97c35e6537283493bb.exe
- Size
  
  3.3MB
- MD5
  
  985732536f99075a7dd5673d5d3dcd32
- SHA1
  
  481d9ea2435a41a83f19025b7f2922e3e3244ed2
- SHA256
  
  5c97c35e6537283493bbfcd8fa178157898e6d266a36eadb9ab23bbcef613efc
- SHA512
  
  96bb8c3ec19e93dbf617795eaa3a7a0329214b30f0da00771d6ae98a2ea9614354aa81b9bea6596e9fe421fc82583165b92045043413bbe606551fc3793dc71c
- SSDEEP
  
  98304:y+f4v0FK2NGPQSwtgyuxdaa3k/YOoZvBu:y+f4MFKjoSGgv4PQzZvc
Score

10^/10

nullmixer privateloader smokeloader aspackv2 backdoor dropper evasion loader main spyware stealer trojan vidar 706
- 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
- 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
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- 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