MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c85cac613a8b1561c7be7b848963b56d925dac3e70f119ac9aeab78d234e8a34. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Vidar


Vendor detections: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: c85cac613a8b1561c7be7b848963b56d925dac3e70f119ac9aeab78d234e8a34
SHA3-384 hash: ba845b65f228dfb96ac062ee40ed8f518808ddab78e5555dcfc6719093c53401bf01cff33c810a00f52069c1b4a7de28
SHA1 hash: 7f9f47f5ca49722bc70d98365bc5592ea1996cb5
MD5 hash: d3db216cca555acfa657eaf6bb249797
humanhash: nineteen-purple-jersey-network
File name:file
Download: download sample
Signature Vidar
File size:1'178'336 bytes
First seen:2023-10-28 01:24:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 71cf2569222413220257b218ceff6838 (2 x Smoke Loader, 2 x Vidar)
ssdeep 24576:GQ7d1qInYe/wrb+/1M4kxIIZ2r1pGxoKA2J21IFjkAZT:Gkb2wQxXgBpG4aFDd
Threatray 17 similar samples on MalwareBazaar
TLSH T1C64533FE6564A560EC06673DE8990DF00C9BA7D376B5E32EF211707D203B2A1A53E08D
TrID 64.7% (.EXE) UPX compressed Win64 Executable (70117/5/12)
25.0% (.EXE) UPX compressed Win32 Executable (27066/9/6)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.8% (.EXE) OS/2 Executable (generic) (2029/13)
1.8% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter jstrosch
Tags:exe signed vidar X64

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2023-10-27T01:23:19Z
Valid to:2024-10-27T01:23:19Z
Serial number: 6173fe283aedec0c6a14a8dcd2dab5f1
Thumbprint Algorithm:SHA256
Thumbprint: 1dfaa2740f2ac19e74e16443a5ef1a171f9419011e1b04f0f62525de5f3c3c40
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
427
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Connecting to a non-recommended domain
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Running batch commands
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug hacktool overlay packed packed packed upx
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Threat name:
Win64.Trojan.Nekark
Status:
Malicious
First seen:
2023-10-28 00:37:51 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat family:glupteba family:privateloader family:smokeloader family:vidar botnet:343742eb8728a53ee22a7a2c96370cfb botnet:ecfea5e785cf6eb1f47a5865492bbbb3 botnet:pub1 backdoor discovery dropper evasion infostealer loader persistence rat spyware stealer trojan upx
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Enumerates system info in registry
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
NSIS installer
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Accesses 2FA software files, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Enumerates connected drives
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Registers COM server for autorun
UPX packed file
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Stops running service(s)
DcRat
Glupteba
Glupteba payload
PrivateLoader
SmokeLoader
Suspicious use of NtCreateUserProcessOtherParentProcess
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199564671869
https://t.me/scubytale
http://host-file-host6.com/
http://host-host-file8.com/
Unpacked files
SH256 hash:
145cde484d12d00a5d529b51fc863bf1121fe11ae49e395bdf08ef359d2bb62f
MD5 hash:
64b37793c1cfb21884072430bbd5312c
SHA1 hash:
f1ba5e19b99c1c8a839f31acf7a4d27c16a4f4dc
SH256 hash:
c85cac613a8b1561c7be7b848963b56d925dac3e70f119ac9aeab78d234e8a34
MD5 hash:
d3db216cca555acfa657eaf6bb249797
SHA1 hash:
7f9f47f5ca49722bc70d98365bc5592ea1996cb5
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:shad0w_beacon_16June
Author:SBousseaden
Description:Shad0w beacon compressed
Reference:https://github.com/bats3c/shad0w

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Vidar

Executable exe c85cac613a8b1561c7be7b848963b56d925dac3e70f119ac9aeab78d234e8a34

(this sample)

  
Delivery method
Distributed via web download

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