MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44053567b3a16ba1c028be6b76d7e43e00f95053cb88aa25050a5458ad9d23f4. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 44053567b3a16ba1c028be6b76d7e43e00f95053cb88aa25050a5458ad9d23f4
SHA3-384 hash: b35c143edb459c2abd0028b14864543cd3a958f4b3506a72650291ee29268c574116bd2ae9f7a5ed538ae85e9d705cde
SHA1 hash: 1e01af74b2ebeca429580ab72aa4b409ef309ba3
MD5 hash: 6f2cb86598aef7d46fb7b67033e31c40
humanhash: snake-fish-early-two
File name:factura.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:442'896 bytes
First seen:2023-03-13 07:10:15 UTC
Last seen:2023-03-13 08:33:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7ed0d71376e55d58ab36dc7d3ffda898 (133 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla)
ssdeep 6144:JbUTp15lOVWR4vFSf00LtYkkBNTuH7QrAfB1qKCSRROIekxQTnM+HP:JIJlsW8200Ly307Q0nq0ROIe+G7
Threatray 54 similar samples on MalwareBazaar
TLSH T1A594F103E4008071D60E46B2E2472DFA83775FF965744E5A3798BF05B8B5B50E98EE2B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 8aa523c1d9d3d18e (8 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-12-05T00:04:16Z
Valid to:2025-12-04T00:04:16Z
Serial number: 3799e12294736dc263882facf97863b5fdc8b136
Thumbprint Algorithm:SHA256
Thumbprint: ff94ae0712e403281a18a468583a2a1719b44a48d72c0f1182c85bba7ac46754
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
factura.exe
Verdict:
Malicious activity
Analysis date:
2023-03-13 07:32:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/53d61507-e0ce-4eef-8896-a77901aaf759

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/373870/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65806659.5391.10131.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Searching for the window
Creating a file in the %temp% subdirectories
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll zbot
Link:
https://www.filescan.io/uploads/640ecc8e56d2bc8d80b713ce/reports/8da62452-7be9-4476-849f-361289699097/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/44053567b3a16ba1c028be6b76d7e43e00f95053cb88aa25050a5458ad9d23f4
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fbd2bf3e-9b67-4675-b75a-2afd89c5503d
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1192282
Signature
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/44053567b3a16ba1c028be6b76d7e43e00f95053cb88aa25050a5458ad9d23f4/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-03-06 09:39:35 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
15 of 39 (38.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iqctkz5tufv2dqbixzvxnv7ehyapsuctzoekujifbjkfrlm5ep2a._file
Verdict:
malicious
Similar samples:
04961495f799b5c2957e8cc665ea1cc543d270644cc23439ca7070e056f65ae6
GuLoader
23c819145942590ddb1e280a406ab31392aa2e26ae4e3e1ad164beda9e5a270d
GuLoader
32ea41ff050f09d0b92967588a131e0a170cb46baf7ee58d03277d09336f89d9
GuLoader
7e888d65d20a6ecc59083c7ef9236f4cf74ed8dc96a54f69989ad52d24b54681
GuLoader
83cf1834c1ebc4ab37dcf0734120efadb2ca3354e28c0887aa2188f03de39a15
GuLoader
913172750585a6984011e58a573a38cd7ed051e2145690cf7a4b53b1ca49725c
GuLoader
91384a3ad6fe7384431ff82b7fc3eae6a205d41c1f0db2935a5e4c9479ffc6c9
GuLoader
ae73e14431c5055dba84f295fa28aa4479794dba18e396cd6c68a2f25cc10c92
GuLoader
e15f8680363b613d262149b9674543bd18b7c787721f5490c2de79ecba7c2e9a
GuLoader
f1159a87f7772216b36caa432932ddd93cebabff65270ac9806a0e6046901982
GuLoader
+ 44 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230313-hzym6sba4v/
Behaviour
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Loads dropped DLL
Unpacked files
SH256 hash:
5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3
MD5 hash:
7399323923e3946fe9140132ac388132
SHA1 hash:
728257d06c452449b1241769b459f091aabcffc5
Link:
https://www.unpac.me/results/38ec7672-7f7b-4dfb-8394-15a32dadb745/
SH256 hash:
44053567b3a16ba1c028be6b76d7e43e00f95053cb88aa25050a5458ad9d23f4
MD5 hash:
6f2cb86598aef7d46fb7b67033e31c40
SHA1 hash:
1e01af74b2ebeca429580ab72aa4b409ef309ba3
Link:
https://www.unpac.me/results/38ec7672-7f7b-4dfb-8394-15a32dadb745/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/44053567b3a16ba1c028be6b76d7e43e00f95053cb88aa25050a5458ad9d23f4

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_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.

Malspam

GuLoader

Executable exe 44053567b3a16ba1c028be6b76d7e43e00f95053cb88aa25050a5458ad9d23f4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/373870/

Comments