MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83a017f0486a37a65a6d3d423a90bb392502640c2f45401bcc1112f00aea8aa4. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83a017f0486a37a65a6d3d423a90bb392502640c2f45401bcc1112f00aea8aa4
SHA3-384 hash: 660fdfe4ce828092906c39101090218b21c64312c5ec8e2637a684b86c27a8e8d56169e6824433d30e22d611a9f7eb92
SHA1 hash: d819a5a904d051561b49e8520c82ed3acd1b42c6
MD5 hash: f422d9df48934585db6761fc3474b4db
humanhash: lemon-hydrogen-low-washington
File name:Booking10330pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:35'320 bytes
First seen:2023-08-29 08:35:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 384:lpfHbQvLn1Exw51K4eZEP4D10ZqOhrzAZUIYiV/e5JAiPxh8E9VF0Ny4OaJ:MhOEP4DjPLYiV/eXlPxWEaB
Threatray 5'736 similar samples on MalwareBazaar
TLSH T156F2B491FF504C15FC26CB32707E49311523FD2AF7B0468E253DB1206BBB2826D9A96B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon f6f1b5e6c48eb3c9 (7 x AgentTesla, 1 x RedLineStealer, 1 x Loki)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
261
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Booking10330pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-08-29 09:53:50 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/1c20af92-9f73-41c1-ad7b-a6b7d3ba7105

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/445030/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader46.714.13660.31978.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed packed
Link:
https://www.filescan.io/uploads/64edae03611c4e16e111d5d5/reports/b5c1455e-9fa0-4d58-a33d-52a091f89140/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/83a017f0486a37a65a6d3d423a90bb392502640c2f45401bcc1112f00aea8aa4
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a5adfc4b-c0a5-4f47-94b8-c66034364e18
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1299641
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: MSBuild connects to smtp port
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 Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1299641 Sample: Booking10330pdf.exe Startdate: 29/08/2023 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 8 other signatures 2->57 6 Booking10330pdf.exe 16 5 2->6         started        11 Wlzqo.exe 14 5 2->11         started        13 Wlzqo.exe 4 2->13         started        process3 dnsIp4 29 files.catbox.moe 108.181.20.35, 443, 49719, 49773 ASN852CA Canada 6->29 27 C:\Users\user\AppData\Roaming\Wlzqo.exe, PE32 6->27 dropped 59 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 6->59 61 Writes to foreign memory regions 6->61 63 Injects a PE file into a foreign processes 6->63 15 MSBuild.exe 14 2 6->15         started        19 MSBuild.exe 6->19         started        65 Antivirus detection for dropped file 11->65 67 Multi AV Scanner detection for dropped file 11->67 69 Machine Learning detection for dropped file 11->69 21 MSBuild.exe 11->21         started        23 MSBuild.exe 13->23         started        25 MSBuild.exe 13->25         started        file5 signatures6 process7 dnsIp8 31 logxtai.shop 198.54.116.202, 49770, 49784, 49786 NAMECHEAP-NETUS United States 15->31 33 api4.ipify.org 173.231.16.76, 443, 49754, 49783 WEBNXUS United States 15->33 39 2 other IPs or domains 15->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->41 43 May check the online IP address of the machine 19->43 35 api.ipify.org 21->35 37 api.ipify.org 23->37 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->45 47 Tries to steal Mail credentials (via file / registry access) 23->47 49 Tries to harvest and steal browser information (history, passwords, etc) 23->49 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83a017f0486a37a65a6d3d423a90bb392502640c2f45401bcc1112f00aea8aa4/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-25 04:38:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qoqbp4cini32mwtnhvbdvef3hesqezamf5cuag6mcejpacxkrksa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3e6cf1f602231fd84bcf06af2a289436736182eb7f188ab0b02d9799d47a6eeb
AgentTesla
6a7aa76cd4b680c0900ffd6c6f0885246e7311bfc18885e9d638b06aa945825f
AgentTesla
90c183ea6ea59b3bac9dc0e44e449fd950e642ab4127de320ab692bc01136d5b
AgentTesla
99c45490a0578c8f57c0393d483fe38aca73778baff2d2b7ec5f89fe78d55541
AgentTesla
9a9fc5c4dd7a166545f663bd6dda67a0e8d428f0737c7396b6358eda4bd9b679
AgentTesla
9ca43abff236cd5699563df23a6cc2bd90a4246c2a2675b375adbb636c736c0d
AgentTesla
b3be1fe7098ff321491612d574fa9b51205e823f9883abe7f234aaa39f0a32bd
AgentTesla
cd1a3a3951014346894a253fa1a9dc05b221640be311dc679a83b4f91b1449f0
AgentTesla
+ 5'726 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230829-khsrpsbc96/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
83a017f0486a37a65a6d3d423a90bb392502640c2f45401bcc1112f00aea8aa4
MD5 hash:
f422d9df48934585db6761fc3474b4db
SHA1 hash:
d819a5a904d051561b49e8520c82ed3acd1b42c6
Link:
https://www.unpac.me/results/452d2825-45d6-4a12-8e1d-7955b42def99/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/83a017f0486a/report/overview.html
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/83a017f0486a37a65a6d3d423a90bb392502640c2f45401bcc1112f00aea8aa4

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe 83a017f0486a37a65a6d3d423a90bb392502640c2f45401bcc1112f00aea8aa4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/445030/

Comments