MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e0f3da34eb3530cb3d6b2cdea31eed0d65f617b423432514ffec522f9fb6a03a. 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 9 File information Comments

SHA256 hash: e0f3da34eb3530cb3d6b2cdea31eed0d65f617b423432514ffec522f9fb6a03a
SHA3-384 hash: e333e216df06e5e1742ecab6f998f1d437ec161f9ab0b5c9b896e06bd62921ca64c76ad585434423dc44016e77f16aa8
SHA1 hash: 4a2bdc0d4ff53731fffe4ad608501c4989e199a1
MD5 hash: fbbc3bb1f856c875ad4cae7f8ff1b361
humanhash: table-wolfram-idaho-texas
File name:file
Download: download sample
Signature Vidar
File size:3'815'136 bytes
First seen:2023-10-28 01:25:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 87d0737459c3ebc7de35794db4768b2f (6 x Vidar, 2 x CoinMiner, 1 x Smoke Loader)
ssdeep 49152:CBD0D6qxKcfTpAnri0W/eF09RNfDz7T5ID3q9uHc/1o9nSJTl0poM+lyLOzZ/0di:WqWgkJsYwce
Threatray 10 similar samples on MalwareBazaar
TLSH T1CD062960D34195E5D297C030CD964FF8A5E2743B82364B0F1A84DD272DFAF61AFAD262
TrID 53.0% (.EXE) InstallShield setup (43053/19/16)
20.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
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:2023-10-28T00:22:30Z
Valid to:2024-10-28T00:22:30Z
Serial number: 94ee7fed4e32a8bf784e5a4be821bf2b
Thumbprint Algorithm:SHA256
Thumbprint: 446c85cfae7a76c9b239a197460cb71bd7c045ecae2d49939e37f05f0ecf1e96
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
429
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
Creating a file in the %temp% directory
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Forced shutdown of a system process
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control greyware hacktool lolbin overlay packed remote
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.
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat family:glupteba family:privateloader family:smokeloader family:vidar botnet:ecfea5e785cf6eb1f47a5865492bbbb3 botnet:pub1 backdoor discovery dropper evasion infostealer loader persistence rat rootkit 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 data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
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
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Manipulates WinMon driver.
Manipulates WinMonFS driver.
Checks BIOS information in registry
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
Windows security modification
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Possible attempt to disable PatchGuard
Stops running service(s)
Modifies boot configuration data using bcdedit
DcRat
Glupteba
Glupteba payload
PrivateLoader
SmokeLoader
Suspicious use of NtCreateUserProcessOtherParentProcess
Vidar
Windows security bypass
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:
e0f3da34eb3530cb3d6b2cdea31eed0d65f617b423432514ffec522f9fb6a03a
MD5 hash:
fbbc3bb1f856c875ad4cae7f8ff1b361
SHA1 hash:
4a2bdc0d4ff53731fffe4ad608501c4989e199a1
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

Vidar

Executable exe e0f3da34eb3530cb3d6b2cdea31eed0d65f617b423432514ffec522f9fb6a03a

(this sample)

  
Delivery method
Distributed via web download

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