nullmixer

General

Target

e39a5fa4c76264ae7d7343e41675a636_JaffaCakes118
Size

2.6MB
Sample

240407-abk36sff23
MD5

e39a5fa4c76264ae7d7343e41675a636
SHA1

f32530047d0fa1bbdc009c56b2e24a11866370c9
SHA256

d72dd5663947fc7e1bd8903030b3e2fd551d8d938fdc6417d8513a1c4cc49702
SHA512

fbcc846582ea34c97d83accfed1f88fb3259d20ca7e61ab46e8da3f08e6d54bff61000919ed0c1b06f484e1109c654ceb7a946c0ec134a0e103677a421deed5b
SSDEEP

49152:EgDym6jbrFi6tFbcAOtwUxtZcaTcDGBpbaJVyYD6gbbp+zHT8d:JDymKklAywUxtJTcDGBxaJVyIjbQC

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
  
  e39a5fa4c76264ae7d7343e41675a636_JaffaCakes118
- Size
  
  2.6MB
- MD5
  
  e39a5fa4c76264ae7d7343e41675a636
- SHA1
  
  f32530047d0fa1bbdc009c56b2e24a11866370c9
- SHA256
  
  d72dd5663947fc7e1bd8903030b3e2fd551d8d938fdc6417d8513a1c4cc49702
- SHA512
  
  fbcc846582ea34c97d83accfed1f88fb3259d20ca7e61ab46e8da3f08e6d54bff61000919ed0c1b06f484e1109c654ceb7a946c0ec134a0e103677a421deed5b
- SSDEEP
  
  49152:EgDym6jbrFi6tFbcAOtwUxtZcaTcDGBpbaJVyYD6gbbp+zHT8d:JDymKklAywUxtJTcDGBxaJVyIjbQC
Score

10^/10

nullmixer smokeloader vidar 933 pub5 aspackv2 backdoor dropper evasion spyware 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
- 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.
- Drops file in System32 directory
- Suspicious use of SetThreadContext
behavioral1 behavioral2
- Target
  
  setup_installer.exe
- Size
  
  2.6MB
- MD5
  
  8dc372ce5ee18b0b17a2dd684dafe3f4
- SHA1
  
  79797774299499f48b73fd0b33886c3518939be4
- SHA256
  
  8a1ac8fa80452bdf92dccba3b48a37286a3ccb6f2621209c699f5cb734599fa6
- SHA512
  
  ac1a88ef641773e0f33ae6f73959e5138a8cdb86a24e2b33b95628831f45ab8914a4c7012150278cea0b8f31781de6a89995837548195f4a7044ff10f7b056b9
- SSDEEP
  
  49152:xcBrPkZVi7iKiF8cUvFyPf9ttLwTXgp3oC2yI8spQSuJzlEwJ84vLRaBtIl9mTT6:xnri7ixZUvFyPf9ttLwTmn8QReCvLUBU
Score

10^/10

nullmixer smokeloader vidar 933 pub5 aspackv2 backdoor dropper evasion spyware 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
- 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.
- Drops file in System32 directory
behavioral3 behavioral4