MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 81d8a95cc4f8b19d5f4d16defb6b3ffdc73bad55e0ab693fcd4ab9cbd5ec2007. 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: 13
| SHA256 hash: | 81d8a95cc4f8b19d5f4d16defb6b3ffdc73bad55e0ab693fcd4ab9cbd5ec2007 |
|---|---|
| SHA3-384 hash: | ad44efafabb857212645bb755fe956b6a4a04782f0aade463081913c6923ccfc4ae95ddda4d1625ca1d8a09b24233e04 |
| SHA1 hash: | d0f2f05420467d7a47ea77d60d6e08dc8c6317a3 |
| MD5 hash: | 1e001ef7bda5978ade6ec28da68153d4 |
| humanhash: | romeo-mexico-bluebird-venus |
| File name: | file |
| Download: | download sample |
| Signature | Vidar |
| File size: | 3'815'136 bytes |
| First seen: | 2023-10-30 04:56:25 UTC |
| Last seen: | 2023-10-30 21:21:34 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 87d0737459c3ebc7de35794db4768b2f (6 x Vidar, 2 x CoinMiner, 1 x Smoke Loader) |
| ssdeep | 49152:2XDRUUqKSE3rBo07p/2wQljcP9/zTLT5Mn/x22c/1k9nSJTl0poF+NXLOz5u8cGD:UHbUJcYwQM |
| Threatray | 15 similar samples on MalwareBazaar |
| TLSH | T1CB062A60D34195E5C297C070CD964FF4A5A2743B82364B0F1A84DD273DFAFA1AFAD262 |
| 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 |  andretavare5 |
| Tags: | exe signed vidar |
Code Signing Certificate
| Organisation: | Microsoft Code Signing PCA 2011 |
|---|---|
| Issuer: | Microsoft Code Signing PCA 2011 |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2023-10-30T01:04:15Z |
| Valid to: | 2024-10-30T01:04:15Z |
| Serial number: | 95295f61c986c0ca6b4eba2dcea2e389 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | c38c1f798aa48997fe4c282d717f2b780d5906d16bafb093c353844fb1e416e6 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
12
# of downloads :
314
Origin country :
USVendor Threat Intelligence
Malware family:
smoke
ID:
1
File name:
SecuriteInfo.com.Win64.PWSX-gen.28763.10783
Verdict:
Malicious activity
Analysis date:
2023-10-30 05:29:01 UTC
Tags:
sinkhole opendir loader privateloader evasion smoke risepro stealer redline stealc amadey botnet trojan ransomware stop
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Connecting to a non-recommended domain
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% subdirectories
Creating a window
Searching for the window
Searching for synchronization primitives
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Creating a service
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% 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
Enabling autorun for a service
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control greyware hacktool lolbin overlay packed remote
Verdict:
Malicious
Labled as:
Lazy.Generic
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.
Verdict:
Unknown
Score:
88%
Verdict:
Malware
File Type:
PE
Threat name:
Win64.Trojan.Privateloader
Status:
Malicious
First seen:
2023-10-30 04:55:58 UTC
File Type:
PE+ (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 5 additional samples on MalwareBazaar
Result
Malware family:
vidar
Score:
10/10
Tags:
family:glupteba family:smokeloader family:vidar botnet:ecfea5e785cf6eb1f47a5865492bbbb3 botnet:pub1 backdoor discovery dropper evasion loader 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 system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks BIOS information in registry
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
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
Glupteba
Glupteba payload
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/
https://t.me/scubytale
http://host-file-host6.com/
http://host-host-file8.com/
Unpacked files
SH256 hash:
81d8a95cc4f8b19d5f4d16defb6b3ffdc73bad55e0ab693fcd4ab9cbd5ec2007
MD5 hash:
1e001ef7bda5978ade6ec28da68153d4
SHA1 hash:
d0f2f05420467d7a47ea77d60d6e08dc8c6317a3
Malware family:
Vidar.A
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.79
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.
Dropped by
PrivateLoader
Delivery method
Distributed via drive-by
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