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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3958cd9e97e6bb64cbe13b95a2a85d5e3e2e5ace9094b13e43da128f21b4408a. 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



AgentTesla


Vendor detections: 9


Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash: 3958cd9e97e6bb64cbe13b95a2a85d5e3e2e5ace9094b13e43da128f21b4408a
SHA3-384 hash: 87c7425ff51f8d33cc8ec92c98b1cad146abadcfb3acb46c3ea7633f4efff3a6a2620d39a491ccf3ccd9b8f813b11aed
SHA1 hash: a11b421503bbb4ac3915c4da6d1728691fb38b3a
MD5 hash: b120ab82f2d2101bc8bc33dd2ad12028
humanhash: nineteen-mississippi-avocado-hawaii
File name:3958cd9e97e6bb64cbe13b95a2a85d5e3e2e5ace9094b13e43da128f21b4408a
Download: download sample
Signature AgentTesla
File size:409'832 bytes
First seen:2026-10-19 08:02:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash 9dda1a1d1f8a1d13ae0297b47046b26e (65 x Formbook, 52 x GuLoader, 28 x RemcosRAT)
ssdeep 6144:QHadpdwMtJOHwt50oC0sn5/uxksQn+HeD8wP3IHUuquwTt0Z1dpX8o3obOlrrPst:QHad0ncZHUVTmp5XDRrPsgXM
TLSH T1C494AE522376D862E39443B48556E33C9E71FA8A2D32C23B6AF1ED5FF508F367818251
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
Reporter adrian__luca
Tags:AgentTesla exe signed

Code Signing Certificate

Organisation:Fatalitetens
Issuer:Fatalitetens
Algorithm:sha256WithRSAEncryption
Valid from:2026-08-13T23:00:51Z
Valid to:2027-08-13T23:00:51Z
Serial number: 6d4c1762bd716ef49dd8f27bdfbcbce4d46a5aa6
Thumbprint Algorithm:SHA256
Thumbprint: e1847544d32f0481d9528cd0653300f62d000e6fbe97fee4e302045f90290495
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
204
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
copia de factura (pago de factura).eml
Verdict:
Malicious activity
Analysis date:
2026-09-08 21:09:59 UTC
Tags:
attc-arch attachments attc-unc susp-attachments arch-exec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
injection virus blic
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-09-08T09:10:00Z UTC
Last seen:
2026-10-20T16:26:00Z 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.Trojan.NSISHeur
Status:
Malicious
First seen:
2026-09-08 17:22:56 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery privilege_escalation
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Loads dropped DLL
Unpacked files
SH256 hash:
3958cd9e97e6bb64cbe13b95a2a85d5e3e2e5ace9094b13e43da128f21b4408a
MD5 hash:
b120ab82f2d2101bc8bc33dd2ad12028
SHA1 hash:
a11b421503bbb4ac3915c4da6d1728691fb38b3a
SH256 hash:
23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
MD5 hash:
192639861e3dc2dc5c08bb8f8c7260d5
SHA1 hash:
58d30e460609e22fa0098bc27d928b689ef9af78
Malware family:
AgentTesla
Verdict:
Malicious
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:NSIS
Author:kevoreilly
Description:NSIS Integrity Check function
Rule name:PE_Digital_Certificate
Author:albertzsigovits
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.
Rule name:Win_Clipboard_Clipper_Thengavar
Author:Thengavar
Description:Detects malware manipulating the Windows clipboard for clipping or crypto stealing attacks

File information


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

Comments