MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a59050c8b51cde37923726be71a20c41aa137e1af1ae7215bbf2dc3edb2af0dd. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a59050c8b51cde37923726be71a20c41aa137e1af1ae7215bbf2dc3edb2af0dd
SHA3-384 hash: 1816310c6248d3ecaeec9f8cda70926d1bc8e0d069d9b42c1bf4dfac2990290db8eb84f1a9b722450527bb4aeb7083b4
SHA1 hash: 5ee05f8c7ea592794345a9083b2c8e6b67a36ae7
MD5 hash: 7839e51d2b9a1c7bd0661eb8af0ac9b4
humanhash: victor-oklahoma-uncle-lemon
File name:7839e51d_by_Libranalysis
Download: download sample
Signature AgentTesla
Create hunting rule
File size:763'392 bytes
First seen:2021-05-19 09:00:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:p7Kzi++++++++f++++++++cKe95Y5WXPGWH1s65tvLJEmfF97:Az+eruWXuQJqoF97
Threatray 5'022 similar samples on MalwareBazaar
TLSH 5BF4F137550A0D93D22B05BAE050B1089FF18B033492F7AD7D6452F849C2FB67B96ECA
Reporter Libranalysis
Tags:AgentTesla


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Libranalysis
Uploaded as part of the sample sharing project

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7839e51d_by_Libranalysis
Verdict:
Suspicious activity
Analysis date:
2021-05-19 10:02:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4bb3c9b1-dc74-4bba-be8f-9c30eb073049

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/158461/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.747-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/784774
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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 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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 417172 Sample: 7839e51d_by_Libranalysis Startdate: 19/05/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Antivirus detection for dropped file 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 11 other signatures 2->47 6 7839e51d_by_Libranalysis.exe 3 2->6         started        10 Battery meter.exe 3 2->10         started        12 Battery meter.exe 2 2->12         started        process3 file4 23 C:\Users\...\7839e51d_by_Libranalysis.exe.log, ASCII 6->23 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->51 53 Injects a PE file into a foreign processes 6->53 14 7839e51d_by_Libranalysis.exe 2 5 6->14         started        19 Battery meter.exe 2 10->19         started        21 Battery meter.exe 2 12->21         started        signatures5 process6 dnsIp7 29 chemietradebd.net 162.222.227.163, 49745, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->29 31 mail.chemietradebd.net 14->31 25 C:\Users\user\AppData\...\Battery meter.exe, PE32 14->25 dropped 27 C:\...\Battery meter.exe:Zone.Identifier, ASCII 14->27 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 39 3 other signatures 14->39 file8 signatures9
Gathering data
Threat name:
Win32.Trojan.Sabsik
Create hunting rule
Status:
Malicious
First seen:
2021-05-18 23:34:30 UTC
AV detection:
16 of 47 (34.04%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uwifbsfvdtpdperxe27hdiqmigvbg7q26gxhefn36lod5wzk6doq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8392af9cff73aab10a60befd359d4ca2638d6a936071285579147303bb453497
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865be6910571e1334ef42b0396a44f76c45ad6048132da31f5599fe2dcfa2081
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acef7155f56a1434770c602a92ebf4945474ad85e9382df19ff5d3ffee461423
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be430dad91245b6bd741be804bb3e4b0858ba623912e04486c1e93326c988f2c
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e3154d853187b18659c637d16cb0a1fdd48c1bfa53c5d39aa11e1ed3db471dbd
AgentTesla
+ 5'012 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/210519-2b3scbxnnn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
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/a59050c8b51cde37923726be71a20c41aa137e1af1ae7215bbf2dc3edb2af0dd

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_imphash
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/158461/

Comments