MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db230e271893be37515e7bf1403352d99a5f8ac441c2df589551ee399dea7315. 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


Threat unknown


Vendor detections: 6


Intelligence 6 IOCs YARA 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db230e271893be37515e7bf1403352d99a5f8ac441c2df589551ee399dea7315
SHA3-384 hash: 2293e9bb13da8c58bd0be7b417252ff8fb840545a3a12943e2e16955236b7418a07102b38e9abd9e77de4ec424037850
SHA1 hash: 700b43db6881bc83c6d7acb0d020283dca4fa7ba
MD5 hash: 6434ceafa88a3afa1f8351bc6890b2a5
humanhash: stairway-louisiana-mobile-alanine
File name:WolferVPN.exe
Download: download sample
File size:74'280'552 bytes
First seen:2023-12-02 20:55:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (527 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 1572864:5MpHvAncNj5mA99v/X6s/WXct35tOfMIGKID0aJvi67YoKEiakmB25:5+GcNF99Jys/WXOJtOfMIGKIwsUAhy
TLSH T115F73309C7C66311FB848BB9A59A7317D589F238EF8022643075831E3876FEFAD69507
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
dhash icon 3178f88eb2e06031
Reporter Xev
Tags:BbyStealer exe


Avatar
NIXLovesCooper
BbyStealer
Distributed via: https://wolfervpn.com/
https://wolfervpn.com/download/WolferVPN.rar

Intelligence

File Origin
# of uploads :
1
# of downloads :
333
Origin country :
GR GR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Sending a custom TCP request
Creating a file
Creating a process from a recently created file
Searching for synchronization primitives
Unauthorized injection to a recently created process
Reading critical registry keys
Creating a file in the %AppData% subdirectories
Changing a file
DNS request
Running batch commands
Creating a process with a hidden window
Launching a process
Using the Windows Management Instrumentation requests
Moving a file to the %AppData% subdirectory
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/656b9a016d3af1922678a2dc/reports/32121b67-0ca5-4efb-bdb7-f1ecdaeeda8e/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/db230e271893be37515e7bf1403352d99a5f8ac441c2df589551ee399dea7315
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
adwa.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1352257
Signature
Drops large PE files
Drops PE files to the startup folder
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Tries to harvest and steal browser information (history, passwords, etc)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1352257 Sample: WolferVPN.exe Startdate: 02/12/2023 Architecture: WINDOWS Score: 68 52 rufflesrefined.com 2->52 56 Multi AV Scanner detection for domain / URL 2->56 58 Multi AV Scanner detection for dropped file 2->58 8 WolferVPN.exe 12 2->8         started        13 WolferVPN.exe 11 192 2->13         started        15 Updater.exe 2->15         started        signatures3 process4 dnsIp5 54 rufflesrefined.com 172.67.218.203, 443, 49720, 49721 CLOUDFLARENETUS United States 8->54 34 C:\Users\user\AppData\Roaming\...\Updater.exe, PE32+ 8->34 dropped 36 b1c3f10e-540e-46f8...879b20c9f6.tmp.node, PE32+ 8->36 dropped 38 C:\Users\user\AppData\...\Login Data.bby, SQLite 8->38 dropped 46 4 other files (3 malicious) 8->46 dropped 60 Drops PE files to the startup folder 8->60 62 Tries to harvest and steal browser information (history, passwords, etc) 8->62 64 Drops large PE files 8->64 17 WolferVPN.exe 1 8->17         started        20 cmd.exe 1 8->20         started        22 cmd.exe 8->22         started        24 WolferVPN.exe 1 8->24         started        40 C:\Users\user\AppData\Local\...\vulkan-1.dll, PE32+ 13->40 dropped 42 C:\Users\user\AppData\...\vk_swiftshader.dll, PE32+ 13->42 dropped 44 C:\Users\user\AppData\Local\...\libGLESv2.dll, PE32+ 13->44 dropped 48 16 other files (5 malicious) 13->48 dropped file6 signatures7 process8 dnsIp9 50 chrome.cloudflare-dns.com 172.64.41.3 CLOUDFLARENETUS United States 17->50 26 tasklist.exe 1 20->26         started        28 conhost.exe 20->28         started        30 tasklist.exe 1 22->30         started        32 conhost.exe 22->32         started        process10
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3mrq4jyyso7douk6ppyuam2s3gnf7cweihbn6wevkhxdthpkomkq._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/231202-zq2f5sfg83/
Behaviour
Enumerates processes with tasklist
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks installed software on the system
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/db230e271893/report/overview.html
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:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Comments


Avatar
commented on 2023-12-02 20:56:20 UTC

C2: rufflesrefined.com