MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3cbc45b5cb0b09e6dd7b74580b610fdf2c54a1790b20b646ca77aa6d55cbd769. 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



GuLoader


Vendor detections: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 3cbc45b5cb0b09e6dd7b74580b610fdf2c54a1790b20b646ca77aa6d55cbd769
SHA3-384 hash: 15ccb4dac502fd111d918d1c70907752fde670fb3029b771cc2697d4475ff2ecf5122c622cdd06a634bb33d15cd07bdc
SHA1 hash: 27bf26cf602439161f4a396d05d523b247da05ca
MD5 hash: 36a2bdfeacffe7961b1279f383c6dcf0
humanhash: hotel-december-lithium-harry
File name:FRA-048472-250919.exe
Download: download sample
Signature GuLoader
File size:376'976 bytes
First seen:2025-09-29 06:59:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c05041e01f84e1ccca9c4451f3b6a383 (142 x RedLineStealer, 107 x GuLoader, 64 x DiamondFox)
ssdeep 6144:/gORajLPK+6bAqso/SS+3ovGSsbUlsAUgkzieeX081hVSfC+5s4UW9fU4KrrzMyW:/g/LC+6bOo6S+3ATsbUlTDEAF1rB8fUs
Threatray 4'316 similar samples on MalwareBazaar
TLSH T1178412113785E6B2E312067675BE5BBE4DF3AFA606DE472B63847B093C611858B0E343
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
dhash icon c4dadadad2f492c2 (148 x GuLoader, 51 x RemcosRAT, 23 x VIPKeylogger)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Avogadro
Issuer:Avogadro
Algorithm:sha256WithRSAEncryption
Valid from:2025-09-04T07:02:14Z
Valid to:2026-09-04T07:02:14Z
Serial number: 65cc2e2c15eeaadb92f30106663b62f049504387
Thumbprint Algorithm:SHA256
Thumbprint: 304be02bd406d5761b3e3343f1c9f48d894b6331a5b69e3c874b86fa58463047
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
143
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FRA-048472-250919.exe
Verdict:
Malicious activity
Analysis date:
2025-09-29 07:54:43 UTC
Tags:
evasion snake keylogger

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file
Delayed reading of the file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context installer microsoft_visual_cc obfuscated overlay signed similar-threat
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-24T10:23:00Z UTC
Last seen:
2025-09-24T10:23:00Z UTC
Hits:
~1000
Detections:
Trojan-Downloader.Win32.Minix.sb Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sba Packed.NSIS.Krynis.sb HEUR:Trojan.Win32.Makoob.gen
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2025-09-24 13:46:11 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
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
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
Guloader family
Guloader,Cloudeye
VIPKeylogger
Vipkeylogger family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3cbc45b5cb0b09e6dd7b74580b610fdf2c54a1790b20b646ca77aa6d55cbd769
MD5 hash:
36a2bdfeacffe7961b1279f383c6dcf0
SHA1 hash:
27bf26cf602439161f4a396d05d523b247da05ca
SH256 hash:
6bf9cccd8a600f4d442efe201e8c07b49605ba35f49a4b3ab22fa2641748e156
MD5 hash:
48f3e7860e1de2b4e63ec744a5e9582a
SHA1 hash:
420c64d802a637c75a53efc8f748e1aede3d6dc6
SH256 hash:
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
MD5 hash:
564bb0373067e1785cba7e4c24aab4bf
SHA1 hash:
7c9416a01d821b10b2eef97b80899d24014d6fc1
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:CP_AllMal_Detector
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
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:PE_Digital_Certificate
Author:albertzsigovits

File information


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

Malspam

GuLoader

Executable exe 3cbc45b5cb0b09e6dd7b74580b610fdf2c54a1790b20b646ca77aa6d55cbd769

(this sample)

  
Delivery method
Distributed via e-mail attachment

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