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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a84ca870d39bdf7c8262813d823739588e127efda4373dc6f683225850e2969c. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a84ca870d39bdf7c8262813d823739588e127efda4373dc6f683225850e2969c
SHA3-384 hash: 488bb1ca093506d27b5bdb6c0d7a79b257de9c815efccddfb914a58ab1b500075ab7446da0e844904b5a2ef1bfba0f53
SHA1 hash: 5a72bc835fd1036b005507e6c505aa17f0db98df
MD5 hash: d3e1bb0268c45dd311b7802edb74d5ef
humanhash: sweet-mexico-lemon-quiet
File name:a84ca870d39bdf7c8262813d823739588e127efda4373dc6f683225850e2969c
Download: download sample
Signature GuLoader
Create hunting rule
File size:1'032'136 bytes
First seen:2025-10-09 15:08:13 UTC
Last seen:2025-11-06 10:01:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e9c0657252137ac61c1eeeba4c021000 (55 x GuLoader, 26 x RedLineStealer, 17 x AgentTesla)
ssdeep 24576:K69dPwi+sLKT3t0zK8tvmNI52Dr7fpq1M:tuGKTOpv+Tr7cM
TLSH T16225237427E062CBD8921533C13BF7B4D2A9EE12086602AFEB503FB9FD78147694254B
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 8af2ecfcfcf8d494 (5 x GuLoader, 3 x VIPKeylogger)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Nondependancy
Issuer:Nondependancy
Algorithm:sha256WithRSAEncryption
Valid from:2025-09-16T23:14:58Z
Valid to:2026-09-16T23:14:58Z
Serial number: 3631908275e74f8aab61794215ca3e11199f8851
Thumbprint Algorithm:SHA256
Thumbprint: fc6cc0a8ea8cfdb220ab59f6712e91044f2d3ac3233b2e85bb68a2e506e09b54
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
87
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a84ca870d39bdf7c8262813d823739588e127efda4373dc6f683225850e2969c
Verdict:
Malicious activity
Analysis date:
2025-10-10 00:32:12 UTC
Tags:
evasion snake keylogger telegram stealer
Link:
https://app.any.run/tasks/4765770d-2ab2-4b75-882c-c284474b77f1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/31854/
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e7d3148b7b147cc4b632f2
Tags:
injection uloader virus nsis
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the Windows directory
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context installer microsoft_visual_cc obfuscated overlay signed
Link:
https://www.filescan.io/uploads/68e7f176f377ab2310554f7d/reports/24d8f724-afe9-45e4-ba5f-97f78108ab21/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a84ca870d39bdf7c8262813d823739588e127efda4373dc6f683225850e2969c
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-29T06:15:00Z UTC
Last seen:
2025-10-09T12:10:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/a84ca870d39bdf7c8262813d823739588e127efda4373dc6f683225850e2969c/results?tab=lookup
Malware family:
Unlabeled
Create hunting rule
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/39d88cef-40e9-4561-90ba-07b5d834a572
Score:
86%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a84ca870d39bdf7c8262813d823739588e127efda4373dc6f683225850e2969c
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a84ca870d39bdf7c8262813d823739588e127efda4373dc6f683225850e2969c/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-09-29 12:16:09 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vbgkq4gttppxzatcqe6yenzzlchbe7x5uq3t3rxwqmrfquhcs2oa._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
error
GuLoader
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:vipkeylogger collection discovery downloader installer keylogger spyware stealer
Link:
https://tria.ge/reports/251009-vydylaslv5/
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 Program Files directory
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:
Unknown
Tags:
loader guloader
YARA:
NSIS_GuLoader_July_2024
Link:
https://app.threat.zone/submission/8933eb2c-a637-4102-aecb-bbd7f698719e
Unpacked files
SH256 hash:
a84ca870d39bdf7c8262813d823739588e127efda4373dc6f683225850e2969c
MD5 hash:
d3e1bb0268c45dd311b7802edb74d5ef
SHA1 hash:
5a72bc835fd1036b005507e6c505aa17f0db98df
Link:
https://www.unpac.me/results/3066b679-b730-48a2-bb26-d9a411069a31/
SH256 hash:
8d4b1c275fd1cd0782a265080b56d1aec8d1c93edca5ef3b050d1d20d7b61f33
MD5 hash:
6e64e5d5f9498058a300b26b8741d9d5
SHA1 hash:
837ce28e5e02788da63a7f1d8f20207d2b0bf523
Link:
https://www.unpac.me/results/3066b679-b730-48a2-bb26-d9a411069a31/
SH256 hash:
ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7
MD5 hash:
0063d48afe5a0cdc02833145667b6641
SHA1 hash:
e7eb614805d183ecb1127c62decb1a6be1b4f7a8
Link:
https://www.unpac.me/results/3066b679-b730-48a2-bb26-d9a411069a31/
Parent samples :
5312214b15330113f6eab71565e1e3c7d1ee3b59daa6703c271aaf3b192e6809
02fca6ef5d9d8b1eb29f7ac8ea0573b504ea7f06c215e091791653b40fe1329a
cc53accc69b32c2507210ea70d1d56aa84dbe354a7f79577df180179ea797427
045a7318a9e2e550208c0c7e9fc805068df19fa73823ac3acaa049a46c4045ee
f2a883a0e4b01c72b0f063df3be5a0102e5c8fbaedc39c8d35c632b200599283
dffefbde27442b9095388b1871ffdc101c430b9a814138be4f962328a5b73fde
e0fb60da371912c158861c9660632d58e45cfcff12351cc9e03f497f319eb5de
904f69a4bed3844273cce1676e8920794815af4c1527e560bbc1bc44b5b8457a
3ab6ed7b7cb21244b34addf64ac6f64b1c38ee98236985511c4af47e8cc93cd4
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a84ca870d39b/report/overview.html
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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

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/31854/

Comments