MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc
SHA3-384 hash: f5c449954a181ab6e9fc44028f91ca83f0cbce40210e8651c51090a4150f3a11ef24513fe8ed81b5840e39eac47f5713
SHA1 hash: d0e187f73008bdce2ff5a40312cb32d13ed0d69c
MD5 hash: 8e584b7f95ee67a337c103260f122413
humanhash: berlin-magnesium-kilo-louisiana
File name:MCPO-0178-0179.exe
Download: download sample
Signature AgentTesla
File size:229'744 bytes
First seen:2026-06-25 07:53:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (320 x GuLoader, 63 x RemcosRAT, 55 x VIPKeylogger)
ssdeep 6144:RMm4CCBM3hU/hFaslnT4gHo9ROhUvUmoJRp5na6u:RMwNRMhFaslnTrlhUcmU5at
TLSH T1B52401046760D05BE95585B0C97BAEF81EE0AD22DEA0875B23D47F0D7939BC1DC2A329
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 cccebe9696e47998 (2 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe signed

Code Signing Certificate

Organisation:Myographist
Issuer:Myographist
Algorithm:sha256WithRSAEncryption
Valid from:2026-06-13T00:38:13Z
Valid to:2027-06-13T00:38:13Z
Serial number: 3f23b5cb97d39debac5512c279addc11c8d8470a
Thumbprint Algorithm:SHA256
Thumbprint: d7e7d291592b95c6dd653b56b2fb0f8c1a7be2711448dbc028667725c87ef8a3
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
165
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
GuLoader NSIS
Details
Malware family:
agenttesla
ID:
1
File name:
_b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc.exe
Verdict:
Malicious activity
Analysis date:
2026-06-25 07:53:35 UTC
Tags:
ip-check stealer evasion agenttesla

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

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-25T02:22:00Z UTC
Last seen:
2026-06-25T04:44:00Z UTC
Hits:
~1000
Detections:
Exploit.Win64.Crun.e HEUR:Backdoor.Win32.Androm.gen Trojan.Win32.Guloader.sb Trojan-Downloader.Win32.Minix.sb
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious PE / MSI digital signature
Antivirus / Scanner detection for submitted sample
Check if machine is in data center or colocation facility
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1933569 Sample: MCPO-0178-0179.exe Startdate: 25/06/2026 Architecture: WINDOWS Score: 100 22 ip-api.com 2->22 28 Suricata IDS alerts for network traffic 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 4 other signatures 2->34 8 MCPO-0178-0179.exe 1 35 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\Local\...\System.dll, PE32 8->20 dropped 36 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->36 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->38 40 Tries to detect virtualization through RDTSC time measurements 8->40 42 2 other signatures 8->42 12 MCPO-0178-0179.exe 15 8 8->12         started        16 MCPO-0178-0179.exe 8->16         started        signatures6 process7 dnsIp8 24 ip-api.com 208.95.112.1, 49699, 80 TUT-AS-TotalUptimeTechnologiesLLCUS United States 12->24 26 185.29.10.5, 49698, 80 RIXHOSTLV Sweden 12->26 44 Tries to steal Mail credentials (via file / registry access) 12->44 46 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->46 48 Tries to harvest and steal browser information (history, passwords, etc) 12->48 18 MCPO-0178-0179.exe 12->18         started        signatures9 process10
Gathering data
Threat name:
Win32.Backdoor.Androm
Status:
Suspicious
First seen:
2026-06-25 05:39:51 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:agenttesla family:guloader collection discovery downloader keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
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
Family: AgentTesla
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc
MD5 hash:
8e584b7f95ee67a337c103260f122413
SHA1 hash:
d0e187f73008bdce2ff5a40312cb32d13ed0d69c
SH256 hash:
acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506
MD5 hash:
6e55a6e7c3fdbd244042eb15cb1ec739
SHA1 hash:
070ea80e2192abc42f358d47b276990b5fa285a9
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: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.

Malspam

AgentTesla

Executable exe b481b6034d399f7f85877662838d4cd461a8ef5ae694b2cd44fcd9614b8842fc

(this sample)

  
Delivery method
Distributed via e-mail attachment

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