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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5cbcf678ed480ab2ebe63f3d13a2cb157be25094549779f3bbfc23e16a24ee74. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 5cbcf678ed480ab2ebe63f3d13a2cb157be25094549779f3bbfc23e16a24ee74
SHA3-384 hash: a17fdc3d9b61c55d6a617466dfcc83e39cad0ca2ce129277c7654d4603091e41ec18f5b9bb9c4ac5e3418ec48c96de8d
SHA1 hash: 36de07bca3ce6f9f54fca6d2fe5134b6fe33acdd
MD5 hash: 900be2d8ea02d63c067f28f43c2976f6
humanhash: kitten-hydrogen-berlin-fruit
File name:5cbcf678ed480ab2ebe63f3d13a2cb157be25094549779f3bbfc23e16a24ee74
Download: download sample
Signature GuLoader
File size:403'944 bytes
First seen:2025-10-10 06:43:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (303 x GuLoader, 47 x AgentTesla, 47 x RemcosRAT)
ssdeep 12288:EtzmuXAHPLXhRtL1NHAATyXnkbN5Lq1GtNSE:Et3XgPF7pCJXnkb7tH
TLSH T105841261B6A0C076D82246B34A7CFF38DAA779B90A6D9B1F3340075DB4B7345C84E729
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 968e2cd8d8e860d2 (7 x GuLoader, 4 x VIPKeylogger)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Goofing
Issuer:Goofing
Algorithm:sha256WithRSAEncryption
Valid from:2025-08-04T04:15:59Z
Valid to:2026-08-04T04:15:59Z
Serial number: 1a0bc28660219c5ae47bc025fa722db8c0c42935
Thumbprint Algorithm:SHA256
Thumbprint: 8dd4c636a0c1d6d29b5d437cd8ec9800b92f07af3a3dfa7b269fd74384f6bc1d
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
130
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
5cbcf678ed480ab2ebe63f3d13a2cb157be25094549779f3bbfc23e16a24ee74
Verdict:
Malicious activity
Analysis date:
2025-10-10 09:40:45 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:
81.4%
Tags:
injection obfusc virus
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 writing of the file
Delayed reading of the file
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context installer microsoft_visual_cc obfuscated overlay signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-16T06:22:00Z UTC
Last seen:
2025-09-30T08:34:00Z UTC
Hits:
~100
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-09-16 09:47:05 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
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 System32 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:
5e21eb0fef0666f08859901252446829a235884930efd4a08e66d4477468e1d8
MD5 hash:
1f9c7d2c487aa7cbcc723887af2e48c5
SHA1 hash:
0ba63184b6241c197db7ec0401cf291907423659
SH256 hash:
5cbcf678ed480ab2ebe63f3d13a2cb157be25094549779f3bbfc23e16a24ee74
MD5 hash:
900be2d8ea02d63c067f28f43c2976f6
SHA1 hash:
36de07bca3ce6f9f54fca6d2fe5134b6fe33acdd
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: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.

Comments