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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 accd2edebbbdc5561f77d4452acebf376808771ad59bade59f9d5c3a39804cdf. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: accd2edebbbdc5561f77d4452acebf376808771ad59bade59f9d5c3a39804cdf
SHA3-384 hash: 90f803a6f2cf8acb1508ddeee4fec885f6bc611e652bb7d9ddf382d91c0793cb0f745ad63c74946e9d0a59faafd14b2a
SHA1 hash: 11954c731b837ed921e9b25c8c20f45f2c2e6c7c
MD5 hash: 285912c51c27afef6fd9489a075c0684
humanhash: alpha-muppet-asparagus-foxtrot
File name:accd2edebbbdc5561f77d4452acebf376808771ad59bade59f9d5c3a39804cdf
Download: download sample
Signature GuLoader
File size:456'944 bytes
First seen:2026-05-08 12:50:31 UTC
Last seen:2026-06-08 08:57:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (739 x GuLoader, 453 x Formbook, 295 x Loki)
ssdeep 12288:AbcVKlgggggggggo1vwYl+6rNLEBSkFn5UlGu0cGlGNTaCmd:AbcVKlgggggggggoRwYlfLlELcGl0Taj
Threatray 2'380 similar samples on MalwareBazaar
TLSH T171A4122A7660C511DC848136AC2CE4B61F6D9F2EDA7B0FCF1745BE1CBAB72826C0D146
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon debe29558aa2aa00 (2 x RemcosRAT, 2 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Betingelsesskemaers
Issuer:Betingelsesskemaers
Algorithm:sha256WithRSAEncryption
Valid from:2026-03-26T09:16:21Z
Valid to:2027-03-26T09:16:21Z
Serial number: 45e7611ff3126a216868fb74da11d8aad324e535
Thumbprint Algorithm:SHA256
Thumbprint: 3e91483fb9f70106cc89aba05d3240ca35284c5e5b1fa6cc2aba351721ec25ca
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
3
# of downloads :
120
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
GuLoader NSIS
Details
GuLoader
an XOR decryption key and an extracted component
GuLoader
a c2 URL, a useragent string, and a string XOR key
NSIS
extracted archive contents
Malware family:
n/a
ID:
1
File name:
Employee Survey Report pdf.rar
Verdict:
No threats detected
Analysis date:
2026-04-10 04:08:38 UTC
Tags:
arch-exec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
underscore injection obfusc blic
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Delayed reading of the file
Creating a file
Sending a custom TCP request
Restart of the analyzed sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug base64 installer installer installer-heuristic microsoft_visual_cc nsis signed similar-threat soft-404
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-09T16:05:00Z UTC
Last seen:
2026-05-09T23:52:00Z UTC
Hits:
~10000
Gathering data
Threat name:
Win32.Trojan.Guloader
Status:
Suspicious
First seen:
2026-04-09 19:28:13 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost discovery downloader persistence rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Contacts third-party web service commonly abused for C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Family: Guloader,Cloudeye
Family: Remcos
Malware Config
C2 Extraction:
23.95.117.227:2404
23.95.117.227:5000
Unpacked files
SH256 hash:
accd2edebbbdc5561f77d4452acebf376808771ad59bade59f9d5c3a39804cdf
MD5 hash:
285912c51c27afef6fd9489a075c0684
SHA1 hash:
11954c731b837ed921e9b25c8c20f45f2c2e6c7c
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
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
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information


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

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