MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 313526cf14d75c03c9eaa9d0944d52f79f5eab3302f0c7f1122be1e4dc632d67. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 313526cf14d75c03c9eaa9d0944d52f79f5eab3302f0c7f1122be1e4dc632d67
SHA3-384 hash: 69762d64a3321b71f3611c4623d15bbf9adca5e0eebf920c39499c00c04819357c34af2169cdcdef4026b851320bb255
SHA1 hash: c442fcc0ab893272a1584a3b72025ea860789126
MD5 hash: c828cd6cb9c27add5f02cbe5252105aa
humanhash: kilo-chicken-nitrogen-sixteen
File name:313526cf14d75c03c9eaa9d0944d52f79f5eab3302f0c7f1122be1e4dc632d67
Download: download sample
Signature GuLoader
File size:492'272 bytes
First seen:2025-12-08 15:33:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 573bb7b41bc641bd95c0f5eec13c233b (53 x GuLoader, 31 x RemcosRAT, 22 x AgentTesla)
ssdeep 12288:tbpKdlxNdHuZzsgRuSgqyMvz8oDgs66TvZ:tbpKdfLuZXuSYqYJ6LZ
Threatray 2'346 similar samples on MalwareBazaar
TLSH T1EAA40102A56CE482EA83EF747C70A751EF29FD115AF10A5633887BEC7D3438125867B9
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 30f9e9f1e1c9d078 (1 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Vaudevillen
Issuer:Vaudevillen
Algorithm:sha256WithRSAEncryption
Valid from:2025-11-04T01:16:41Z
Valid to:2026-11-04T01:16:41Z
Serial number: 54edfc3a26bf5c3e96f31183666d5f586e4b08df
Thumbprint Algorithm:SHA256
Thumbprint: a25b51023b5bde5f42c78f8b4c93073e2075ca27bb8bcd96d55741efaede1b18
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
94
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Orden de compra_pedido_N0229821.pdf.uue
Verdict:
Suspicious activity
Analysis date:
2025-11-24 20:23:07 UTC
Tags:
arch-exec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
injection uloader virus nsis
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Delayed reading of the file
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-24T16:24:00Z UTC
Last seen:
2025-12-10T13:20:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Malware.Heuristic
Status:
Malicious
First seen:
2025-11-24 20:05:34 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
19 of 36 (52.78%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
313526cf14d75c03c9eaa9d0944d52f79f5eab3302f0c7f1122be1e4dc632d67
MD5 hash:
c828cd6cb9c27add5f02cbe5252105aa
SHA1 hash:
c442fcc0ab893272a1584a3b72025ea860789126
SH256 hash:
8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
MD5 hash:
9b38a1b07a0ebc5c7e59e63346ecc2db
SHA1 hash:
97332a2ffcf12a3e3f27e7c05213b5d7faa13735
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