MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8ad85a9f8e576b9a43e826254e011051dda8d8df77f22e0f853c74462c4de25. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8ad85a9f8e576b9a43e826254e011051dda8d8df77f22e0f853c74462c4de25
SHA3-384 hash: ca621f008cb4853245b86ab0fddc29817ae0872a45901e9de6c95178197649acaf781d656dff5f2201a11e234c619434
SHA1 hash: 94b4ea4a5384826be869dcc4d4372a9cbe685f16
MD5 hash: b1efd07890f043eb25bbaba6c5e58243
humanhash: nine-ten-mississippi-lake
File name:GauntletVPN1.4.0.exe
Download: download sample
File size:69'108'392 bytes
First seen:2024-04-04 05:11:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (533 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 1572864:KrziNx5q+O1Ww7yrvga1VEUrk5Ao6xG7YwPC6V064CfNb+z/77:dx5q+b/rvJ1VEwk5AtmVL42Nb+z/77
TLSH T1E2E7337DEDE8A437ED70A4FD865066EEBA1C2102AC5BE0D9522145ED8CF3C4548C92FB
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) (4504/4/1)
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter CryptDeriveKey
Tags:exe NikkiStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
308
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c8ad85a9f8e576b9a43e826254e011051dda8d8df77f22e0f853c74462c4de25.exe
Verdict:
Malicious activity
Analysis date:
2024-04-04 05:15:37 UTC
Tags:
generic stealer
Link:
https://app.any.run/tasks/df64505c-1e7d-4131-9c17-cd6407d5519d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Searching for the window
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Unauthorized injection to a recently created process
Connection attempt
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/660e36a6bb285b5db0567922/reports/a80968ba-24bc-4bab-a78b-084d05f5afb5/overview
Verdict:
Suspicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/c8ad85a9f8e576b9a43e826254e011051dda8d8df77f22e0f853c74462c4de25
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.adwa
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1419879
Signature
Drops large PE files
Drops PE files to the startup folder
Tries to harvest and steal browser information (history, passwords, etc)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1419879 Sample: GauntletVPN1.4.0.exe Startdate: 04/04/2024 Architecture: WINDOWS Score: 52 58 discord.com 2->58 60 api.gofile.io 2->60 8 GauntletVPN1.4.0.exe 179 2->8         started        process3 file4 38 C:\Users\user\AppData\...\gauntletvpn.exe, PE32+ 8->38 dropped 40 C:\Users\user\AppData\Local\...\nsis7z.dll, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\System.dll, PE32 8->42 dropped 44 12 other files (none is malicious) 8->44 dropped 68 Drops large PE files 8->68 12 gauntletvpn.exe 18 8->12         started        signatures5 process6 dnsIp7 62 api.gofile.io 151.80.29.83, 443, 49721, 49724 OVHFR Italy 12->62 64 198.50.129.180, 443, 49717 OVHFR Canada 12->64 66 discord.com 162.159.128.233, 443, 49722, 49723 CLOUDFLARENETUS United States 12->66 46 C:\Users\user\AppData\...\gauntletvpn.exe, PE32+ 12->46 dropped 48 C:\Users\user\AppData\Local\...\webdata.db, SQLite 12->48 dropped 50 C:\Users\user\AppData\Local\...\passwords.db, SQLite 12->50 dropped 52 3 other files (1 malicious) 12->52 dropped 70 Drops PE files to the startup folder 12->70 72 Tries to harvest and steal browser information (history, passwords, etc) 12->72 74 Drops large PE files 12->74 17 gauntletvpn.exe 1 12->17         started        20 gauntletvpn.exe 1 12->20         started        22 cmd.exe 1 12->22         started        24 5 other processes 12->24 file8 signatures9 process10 dnsIp11 54 chrome.cloudflare-dns.com 162.159.61.3, 443, 49712, 49713 CLOUDFLARENETUS United States 17->54 56 172.64.41.3, 443, 49719 CLOUDFLARENETUS United States 20->56 26 powershell.exe 15 22->26         started        28 conhost.exe 22->28         started        30 powershell.exe 15 24->30         started        32 tasklist.exe 1 24->32         started        34 tasklist.exe 1 24->34         started        36 3 other processes 24->36 process12
Score:
28%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/c8ad85a9f8e576b9a43e826254e011051dda8d8df77f22e0f853c74462c4de25
Gathering data
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2024-03-15 00:27:31 UTC
File Type:
PE (Exe)
Extracted files:
138
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zcwylkpy4v3ltjb6qjrfjyarauo5vdmn657sfyhykpduiywe3ysq._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/240404-fvwlxaff5v/
Behaviour
Enumerates processes with tasklist
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
An obfuscated cmd.exe command-line is typically used to evade detection.
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::SetFileSecurityW
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::MoveFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments