dcrat

General

Target

27425AB21814ACDC92665957CE92F326A46EA99131EF3.exe
Size

2.5MB
Sample

221004-y4zc9scdb5
MD5

3e04b8ba6cbccb22f3a1cbb98b092990
SHA1

ce6176c44798b5104f87c8f37330041f7911b97f
SHA256

27425ab21814acdc92665957ce92f326a46ea99131ef32df83ccaeaaa5228c20
SHA512

8c1c8ac110c9aa43412d5569e20239704c53268b33ba88b74f8d85f00dc07fb8291d85937bcfe2459e0f54a1bbbde2f966057aff34a012a77350d86bb7c5641f
SSDEEP

49152:EggBDSuw1VkMpraG6d23GG49DSP4FDHhJaO69QGnMg4PPqZi5r:JxVVjsd2Z/AlNq9MgcPH5r

Malware Config

Extracted

Family

nullmixer

C2

http://sokiran.xyz/

Extracted

Family

vidar

Version

39.6

Botnet

933

C2

https://sslamlssa1.tumblr.com/

Attributes

profile_id
933

Extracted

Family

nymaim

C2

208.67.104.97

85.31.46.167

Extracted

Family

vidar

Version

54.9

Botnet

1679

C2

https://t.me/larsenup

https://ioc.exchange/@zebra54

Attributes

profile_id
1679

Extracted

Family

raccoon

Botnet

f65d012b021e6e8fcaa9c1a04b6d5107

C2

http://64.44.102.241

http://64.44.102.116

rc4.plain

Targets

- Target
  
  27425AB21814ACDC92665957CE92F326A46EA99131EF3.exe
- Size
  
  2.5MB
- MD5
  
  3e04b8ba6cbccb22f3a1cbb98b092990
- SHA1
  
  ce6176c44798b5104f87c8f37330041f7911b97f
- SHA256
  
  27425ab21814acdc92665957ce92f326a46ea99131ef32df83ccaeaaa5228c20
- SHA512
  
  8c1c8ac110c9aa43412d5569e20239704c53268b33ba88b74f8d85f00dc07fb8291d85937bcfe2459e0f54a1bbbde2f966057aff34a012a77350d86bb7c5641f
- SSDEEP
  
  49152:EggBDSuw1VkMpraG6d23GG49DSP4FDHhJaO69QGnMg4PPqZi5r:JxVVjsd2Z/AlNq9MgcPH5r
Score

10^/10

nullmixer nymaim privateloader raccoon smokeloader vidar 1679 933 f65d012b021e6e8fcaa9c1a04b6d5107 aspackv2 backdoor dropper evasion loader persistence stealer themida trojan vmprotect dcrat collection discovery infostealer rat spyware
- DcRat
  DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
  rat infostealer dcrat
- Detects Smokeloader packer
- 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
- NyMaim
  NyMaim is a malware with various capabilities written in C++ and first seen in 2013.
  trojan nymaim
- 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.
- Raccoon
  Raccoon is an infostealer written in C++ and first seen in 2019.
  stealer raccoon
- 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
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Vidar Stealer
  stealer
- ASPack v2.12-2.42
  Detects executables packed with ASPack v2.12-2.42
  aspackv2
- Downloads MZ/PE file
- Executes dropped EXE
- VMProtect packed file
  Detects executables packed with VMProtect commercial packer.
  vmprotect
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- Uses the VBS compiler for execution
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses Microsoft Outlook profiles
  collection
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Checks whether UAC is enabled
  evasion trojan
- 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 NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2