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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf9348e27f3fd30a76f327bb92f022dfae892563d79f57d5494541d71379aa38. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf9348e27f3fd30a76f327bb92f022dfae892563d79f57d5494541d71379aa38
SHA3-384 hash: 6e0d20247408e46b5eb4e3c3185bad4b5a1a93065718724d71c1f8bad70ad009962eb7654fa26c9be8fcebc594ff38b6
SHA1 hash: bc1ee6d30d1d5e839829dfc92a5c548c3a6a1551
MD5 hash: 018d0026fe080c9ede0328fc7075a58c
humanhash: carbon-massachusetts-papa-illinois
File name:bf9348e27f3fd30a76f327bb92f022dfae892563d79f57d5494541d71379aa38
Download: download sample
Signature GuLoader
Create hunting rule
File size:254'808 bytes
First seen:2026-05-08 12:21:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (326 x GuLoader, 65 x AgentTesla, 63 x RemcosRAT)
ssdeep 3072:cDxaVzwmg4CSW8JSur455xtG7kp4iQ2ihyp8liU0kpFQg7Pvf1GbPV2+e5dgOl5C:CMm4CCNUxwaVnel9r8bPoZDgG4h
Threatray 2'391 similar samples on MalwareBazaar
TLSH T1B64412553384C1A3EEF14B311C37B6BB09FAE9355A645B0B6310AF9E7C12283CD29762
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 c4dadadad2f492c2 (148 x GuLoader, 51 x RemcosRAT, 23 x VIPKeylogger)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Skppesknne
Issuer:Skppesknne
Algorithm:sha256WithRSAEncryption
Valid from:2026-02-08T02:23:03Z
Valid to:2027-02-08T02:23:03Z
Serial number: 4242b5cb5c577810770de320c7fbd85a78babaa7
Thumbprint Algorithm:SHA256
Thumbprint: 5fc86c02cbad87616a76179cd471d4b5c84a74a123b69cffcc81480e4dab1840
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
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
Link:
https://research.acce.ciphertechsolutions.com/results/b24334b3-51f5-4b1d-bf1e-8a880bd8b434/
Malware family:
n/a
ID:
1
File name:
_bf9348e27f3fd30a76f327bb92f022dfae892563d79f57d5494541d71379aa38.exe
Verdict:
Malicious activity
Analysis date:
2026-05-08 12:24:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a55f9d9e-0897-4fee-8b93-1644b0b582bb

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/64929/
Detection(s):
SecuriteInfo.com.Trojan.Inject6.15694.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Searching for the window
Launching a service
Unauthorized injection to a recently created process
Restart of the analyzed sample
Changing a file
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/bf9348e27f3fd30a76f327bb92f022dfae892563d79f57d5494541d71379aa38
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-03-30T21:53:00Z UTC
Last seen:
2026-05-10T05:01:00Z UTC
Hits:
~1000
Detections:
Trojan-Downloader.Win32.Minix.sb Packed.NSIS.Krynis.sb HEUR:Trojan-Downloader.Win32.Minix.gen VHO:Backdoor.Win32.Androm.gen Backdoor.Androm.HTTP.Download Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba
Link:
https://opentip.kaspersky.com/bf9348e27f3fd30a76f327bb92f022dfae892563d79f57d5494541d71379aa38/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/5d496491-108b-42df-860c-53b84d83c9d8
Score:
90%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bf9348e27f3fd30a76f327bb92f022dfae892563d79f57d5494541d71379aa38
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf9348e27f3fd30a76f327bb92f022dfae892563d79f57d5494541d71379aa38/
Verdict:
Malicious
Threat:
VHO:Backdoor.Win32.Androm
Link:
https://tip.neiki.dev/file/bf9348e27f3fd30a76f327bb92f022dfae892563d79f57d5494541d71379aa38
Threat name:
Win32.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-03-31 03:29:46 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
23 of 36 (63.89%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6juryt7h7jqu5xte65zf4bc36xisjld26pvpvkjiva5oe3zvi4a._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
221367d0998608cbf888f56cc107af6e4307606fb87bb53579dfcad1f0619819
GuLoader
24ce7fa017292844545695e99c142c2a11b7f0bc233c2978ef7f1c1b85905720
GuLoader
27fb2ade95bfa9d06cec93fd30f293e02d3311cce4d5e31b6bb93e5d5976e723
GuLoader
31ad3cdc1ccc501f7d7ac1d15c4092e834fe9dd9f62d26c076cd4bf86ceeb444
GuLoader
9cadf5999c3b712b48c5fa330d5959c5d9a5bf872d79ea04a246f3d27efbcc07
GuLoader
b5d44eb79bb60df60b30f4157e958cb1a84c6ed93f2fb3767e96c573c27092e4
GuLoader
b77ed7438b345a429533f19323007a167c0de39d3ff71f7b46bc07a94d2a8ed4
GuLoader
bb5fc7e49f6281fc8df937ee858b84bb283c589d4d5ef34c4591e095204fde1f
GuLoader
d899a46671c4d07c396298300fa8bccb84afef9953785cfb6caacd95b059543b
GuLoader
error
GuLoader
fa4b68a30d9eb4dc5928de30478faea132d4b752141210e37ff4e494d7fde6f2
GuLoader
+ 2'381 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/260508-pjjyeagy4z/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Loads dropped DLL
Unpacked files
SH256 hash:
bf9348e27f3fd30a76f327bb92f022dfae892563d79f57d5494541d71379aa38
MD5 hash:
018d0026fe080c9ede0328fc7075a58c
SHA1 hash:
bc1ee6d30d1d5e839829dfc92a5c548c3a6a1551
Link:
https://www.unpac.me/results/0d8ee6e3-09ce-4219-856d-dc358392299b/
SH256 hash:
6bf9cccd8a600f4d442efe201e8c07b49605ba35f49a4b3ab22fa2641748e156
MD5 hash:
48f3e7860e1de2b4e63ec744a5e9582a
SHA1 hash:
420c64d802a637c75a53efc8f748e1aede3d6dc6
Link:
https://www.unpac.me/results/0d8ee6e3-09ce-4219-856d-dc358392299b/
SH256 hash:
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
MD5 hash:
564bb0373067e1785cba7e4c24aab4bf
SHA1 hash:
7c9416a01d821b10b2eef97b80899d24014d6fc1
Link:
https://www.unpac.me/results/0d8ee6e3-09ce-4219-856d-dc358392299b/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bf9348e27f3f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/bf9348e27f3fd30a76f327bb92f022dfae892563d79f57d5494541d71379aa38

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
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:VECT_Ransomware
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/64929/

Comments