MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f1b6f735c651a28ecb97d4b9e21adc5d79ebed5b2686482f58ae33df3f13492d. 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
VIPKeylogger
Vendor detections: 16
| SHA256 hash: | f1b6f735c651a28ecb97d4b9e21adc5d79ebed5b2686482f58ae33df3f13492d |
|---|---|
| SHA3-384 hash: | 6be81aeca5ae18281dd54fd1858a307631b9f883d35c71a8afdcd37843aeadc693e9cb1f1d5083bdd0fc177a88e9eb01 |
| SHA1 hash: | 5465ddcd9aa36db67f3a29607f86c4df6989d026 |
| MD5 hash: | 615dbc6bbf1babd9d064ec9d24b211b1 |
| humanhash: | emma-fix-twenty-gee |
| File name: | Cubistic.exe |
| Download: | download sample |
| Signature | VIPKeylogger |
| File size: | 762'264 bytes |
| First seen: | 2025-02-13 14:54:01 UTC |
| Last seen: | 2025-02-17 11:39:58 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b40f29cd171eb54c01b1dd2683c9c26b (45 x GuLoader, 16 x RemcosRAT, 15 x VIPKeylogger) |
| ssdeep | 12288:lF9eqV6zZSsoOa/xy38SeD83S1vKZbXvOIxnE8UML789zUO9vVOI0emBmf:Zx6SsoOa/A3lRsUbbxnlGUOdb0emBmf |
| TLSH | T1A7F4238D0FE45CA3C5FC5AF135AA0BD1B6F6CA0D0614230B1B21DD96FE69371E96A4C2 |
| TrID | 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133) 3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 1.1% (.EXE) Win64 Executable (generic) (10522/11/4) 0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 0.5% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | 950c9c9888a8a4a4 (11 x VIPKeylogger, 1 x GuLoader) |
| Reporter |  James_inthe_box |
| Tags: | exe signed VIPKeylogger |
Code Signing Certificate
| Organisation: | Bangladesherne |
|---|---|
| Issuer: | Bangladesherne |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2024-07-01T10:17:32Z |
| Valid to: | 2025-07-01T10:17:32Z |
| Serial number: | 49f8faf58c81132ba29642d3c83f7ce8202658e5 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 78bb12c57d34286ab9f988bcad7e8c7cd9ceb7f00ce73f2fe2ad027548c5cbe6 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
472
Origin country :
USVendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
Cubistic.exe
Verdict:
Malicious activity
Analysis date:
2025-02-13 14:59:24 UTC
Tags:
guloader evasion snake keylogger telegram stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
injection virus blic
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Delayed reading of the file
Creating a file
Creating a window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
adaptive-context blackhole installer microsoft_visual_cc obfuscated overlay signed
Verdict:
Malicious
Labled as:
Malware_42.6
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
Result
Threat name:
GuLoader, Snake Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious PE digital signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect the country of the analysis system (by using the IP)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected GuLoader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
98%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Ransomware.SnakeKeylogger
Status:
Malicious
First seen:
2025-02-13 14:13:48 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
24 of 38 (63.16%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
vipkeylogger
Score:
10/10
Tags:
family:guloader family:vipkeylogger collection discovery downloader keylogger spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Guloader family
Guloader,Cloudeye
VIPKeylogger
Vipkeylogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7618867847:AAF14vnGvkJJYcxLyMVdR3OZPzd4TQzD_OY/sendMessage?chat_id=6070006284
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f1b6f735c651a28ecb97d4b9e21adc5d79ebed5b2686482f58ae33df3f13492d
MD5 hash:
615dbc6bbf1babd9d064ec9d24b211b1
SHA1 hash:
5465ddcd9aa36db67f3a29607f86c4df6989d026
SH256 hash:
3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac
MD5 hash:
cf85183b87314359488b850f9e97a698
SHA1 hash:
6b6c790037eec7ebea4d05590359cb4473f19aea
Malware family:
VIPKeylogger
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | Detect_SliverFox_String |
|---|---|
| Author: | huoji |
| Description: | Detect files is `SliverFox` malware |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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
| ID | Title | Severity |
|---|---|---|
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| COM_BASE_API | Can Download & Execute components | ole32.dll::CoCreateInstance |
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteA SHELL32.dll::SHFileOperationA SHELL32.dll::SHGetFileInfoA |
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CreateProcessA KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExA KERNEL32.dll::GetDiskFreeSpaceA KERNEL32.dll::GetCommandLineA |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CopyFileA KERNEL32.dll::CreateDirectoryA KERNEL32.dll::CreateFileA KERNEL32.dll::DeleteFileA KERNEL32.dll::MoveFileA KERNEL32.dll::GetWindowsDirectoryA |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegCreateKeyExA ADVAPI32.dll::RegDeleteKeyA ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegQueryValueExA ADVAPI32.dll::RegSetValueExA |
| WIN_USER_API | Performs GUI Actions | USER32.dll::AppendMenuA USER32.dll::EmptyClipboard USER32.dll::FindWindowExA USER32.dll::OpenClipboard USER32.dll::PeekMessageA USER32.dll::CreateWindowExA |
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