MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f33b4c93781c14708aa075e083392fc19ba00766dee11a9e399ab38cc9963373. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
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SHA256 hash: f33b4c93781c14708aa075e083392fc19ba00766dee11a9e399ab38cc9963373
SHA3-384 hash: 174b88f728d22ef2d717931947a7ff7f8d0edbe8a9d1449f90d9265619e7f72775f68c433a68fb55adedcfdb88f2eb5a
SHA1 hash: b76f655222064c682484ef562b81e5666e701ecd
MD5 hash: 84c47dc4529706ae800ac567247af3b4
humanhash: blossom-venus-triple-march
File name:DWG-00141842- Fiyat teklifi ve ürün analiz bilgileri 3001410 - AUGUST 2025 GF8017 s.pdf.exe
Download: download sample
Signature VIPKeylogger
Create hunting rule
File size:518'952 bytes
First seen:2025-08-25 12:56:08 UTC
Last seen:2025-08-25 13:50:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (726 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 12288:iXr6/+CSm61gJFHluqCkNhJ19/LFS9tJGZhWPs:iXr6/ym64FFbNj7/hesZoPs
TLSH T13FB412127BA3C516DFD386320C3A13629EA99CF608B15A336B907F9DDD71D90BD052D2
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
Reporter lowmal3
Tags:exe signed VIPKeylogger

Code Signing Certificate

Organisation:Squarely
Issuer:Squarely
Algorithm:sha256WithRSAEncryption
Valid from:2025-08-18T00:26:50Z
Valid to:2026-08-18T00:26:50Z
Serial number: 5ff3198da50dcab84aef38b41e1ab6c6cf6e1e25
Thumbprint Algorithm:SHA256
Thumbprint: 73c10b87868f8fcbc47fb312386f7fd2e81b218274fd1b2c9e6afc7857e4a6fd
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
64
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DWG-00141842- Fiyat teklifi ve ürün analiz bilgileri 3001410 - AUGUST 2025 GF8017 s.pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-08-25 12:59:42 UTC
Tags:
evasion snake keylogger telegram stealer smtp
Link:
https://app.any.run/tasks/75ffc19b-c9e9-4a15-b8fc-791be68b5716

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/23447/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.77182219.21189.12820.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ac5d88eb163e0ec182ae66
Tags:
underscore injection virus spawn
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer masquerade microsoft_visual_cc overlay overlay signed
Link:
https://www.filescan.io/uploads/68ac5d817137d684583b767e/reports/24c73ee5-99dd-4463-911b-391e9562f576/overview
Verdict:
Suspicious
Link:
https://www.hybrid-analysis.com/sample/f33b4c93781c14708aa075e083392fc19ba00766dee11a9e399ab38cc9963373
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-25T07:01:00Z UTC
Last seen:
2025-08-25T07:01:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/f33b4c93781c14708aa075e083392fc19ba00766dee11a9e399ab38cc9963373/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/96b6a6c6-d221-4f74-bd8d-6b1ad1928d70
Result
Threat name:
GuLoader, Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1764551
Signature
AI detected suspicious PE digital signature
Early bird code injection technique detected
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Queues an APC in another process (thread injection)
Sigma detected: Suspicious Double Extension File Execution
Sigma detected: Suspicious Double Extension Files
Suricata IDS alerts for network traffic
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1764551 Sample: 17 s.pdf.exe Startdate: 25/08/2025 Architecture: WINDOWS Score: 100 27 reallyfreegeoip.org 2->27 29 api.telegram.org 2->29 31 4 other IPs or domains 2->31 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Multi AV Scanner detection for dropped file 2->47 53 10 other signatures 2->53 8 17 s.pdf.exe 42 2->8         started        signatures3 49 Tries to detect the country of the analysis system (by using the IP) 27->49 51 Uses the Telegram API (likely for C&C communication) 29->51 process4 file5 21 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->21 dropped 11 powershell.exe 30 8->11         started        process6 file7 23 C:\Users\user\AppData\...\17 s.pdf.exe, PE32 11->23 dropped 25 C:\Users\...\17 s.pdf.exe:Zone.Identifier, ASCII 11->25 dropped 55 Early bird code injection technique detected 11->55 57 Writes to foreign memory regions 11->57 59 Found suspicious powershell code related to unpacking or dynamic code loading 11->59 61 3 other signatures 11->61 15 msiexec.exe 15 8 11->15         started        19 conhost.exe 11->19         started        signatures8 process9 dnsIp10 33 checkip.dyndns.com 132.226.8.169, 49726, 49728, 49730 UTMEMUS United States 15->33 35 api.telegram.org 149.154.167.220, 443, 49742 TELEGRAMRU United Kingdom 15->35 37 3 other IPs or domains 15->37 39 Tries to steal Mail credentials (via file / registry access) 15->39 41 Tries to harvest and steal browser information (history, passwords, etc) 15->41 signatures11
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f33b4c93781c14708aa075e083392fc19ba00766dee11a9e399ab38cc9963373
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/84c47dc4529706ae800ac567247af3b4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f33b4c93781c14708aa075e083392fc19ba00766dee11a9e399ab38cc9963373/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2025-08-25 10:02:42 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6m5uze3ydqkhbcvaoxqigojpygn2ab3g33qrvhrztkzyzsmwgnzq._file
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:vipkeylogger adware collection defense_evasion discovery downloader execution keylogger persistence spyware stealer
Link:
https://tria.ge/reports/250825-p6myksgn2t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Badlisted process makes network request
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
Modifies trusted root certificate store through registry
Guloader family
Guloader,Cloudeye
VIPKeylogger
Vipkeylogger family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3c8e20eb-e070-4850-b486-8b4d8de32850
Unpacked files
SH256 hash:
f33b4c93781c14708aa075e083392fc19ba00766dee11a9e399ab38cc9963373
MD5 hash:
84c47dc4529706ae800ac567247af3b4
SHA1 hash:
b76f655222064c682484ef562b81e5666e701ecd
Link:
https://www.unpac.me/results/676c3aba-6979-4523-9416-712cf61b9e2b/
SH256 hash:
cd962e37d655e66c81ba14a184b5959b85b80d0929725119ccd226f5ffb622a2
MD5 hash:
d7e3e8edfd38663f63e5440460ec4c0f
SHA1 hash:
1f347bf304982256102fcaaea32a52fccdc59caf
Link:
https://www.unpac.me/results/676c3aba-6979-4523-9416-712cf61b9e2b/
SH256 hash:
14ebfa0711b48ec748b6e4985db4b99a827996ae44b28122d16f14d0d0f51bb6
MD5 hash:
84bcbefa5fe3d82647a15f135f22fb2a
SHA1 hash:
7c23a0c1a8b185f5af456dafa63a3c1207d8c1dc
Link:
https://www.unpac.me/results/676c3aba-6979-4523-9416-712cf61b9e2b/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f33b4c93781c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f33b4c93781c14708aa075e083392fc19ba00766dee11a9e399ab38cc9963373

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:Detect_NSIS_Nullsoft_Installer
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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

VIPKeylogger

Executable exe f33b4c93781c14708aa075e083392fc19ba00766dee11a9e399ab38cc9963373

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/23447/

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