MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c042c748985e1dbc468a0c92a66232e55b362bb5901beceb79ae5b466b9e6e06. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
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SHA256 hash: c042c748985e1dbc468a0c92a66232e55b362bb5901beceb79ae5b466b9e6e06
SHA3-384 hash: ae36764da6d4fc91914db000b6334ed034001c514cbba6ab9d16eec3decb7bbc8b525dbb7c0d489a73165661345bb570
SHA1 hash: f8d92691b51e4bdc689ebeafd9dce19bf0d022af
MD5 hash: 1a369a8c058363942552a1710e438963
humanhash: jig-failed-magazine-grey
File name:1a369a8c_by_Libranalysis
Download: download sample
Signature AgentTesla
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File size:855'552 bytes
First seen:2021-05-12 09:01:00 UTC
Last seen:2021-05-12 09:53:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:y3Sf+Gol4mn7U0/e8bCGQFzYKCL4fLn9H98Fq/fVUjjAG0JhH2P4bZKiAoX2DTMC:shmwCGQF+L4fTY4HC4tJhH2wbdt2+nG
Threatray 4'858 similar samples on MalwareBazaar
TLSH 770512DE3324B2EDC493C5768A910DB26B42ADB7432F5657980376ADDB4E886CF101F2
Reporter Libranalysis
Tags:AgentTesla


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Libranalysis
Uploaded as part of the sample sharing project

Intelligence

File Origin
# of uploads :
2
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.CYQ.genEldorado.6043.29860.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
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/779669
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Found malware configuration
Injects a PE file into a foreign processes
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
PE file contains section with special chars
PE file has nameless sections
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 412065 Sample: 1a369a8c_by_Libranalysis Startdate: 12/05/2021 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 9 other signatures 2->35 7 1a369a8c_by_Libranalysis.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\haucXSWLf.exe, PE32 7->19 dropped 21 C:\Users\...\haucXSWLf.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp6381.tmp, XML 7->23 dropped 25 C:\Users\...\1a369a8c_by_Libranalysis.exe.log, ASCII 7->25 dropped 37 Detected unpacking (changes PE section rights) 7->37 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 3 other signatures 7->43 11 1a369a8c_by_Libranalysis.exe 15 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 api.telegram.org 149.154.167.220, 443, 49748 TELEGRAMRU United Kingdom 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 Tries to harvest and steal browser information (history, passwords, etc) 11->51 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/c042c748985e1dbc468a0c92a66232e55b362bb5901beceb79ae5b466b9e6e06/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-05-12 09:01:21 UTC
AV detection:
13 of 47 (27.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ybbmoseylyo3yrukbsjkmyrs4vntmk5vsan6z23zvznum246nyda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 4'848 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210512-k7vj191lmj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1154382515:AAEp6J5Hnbzd_K5BwkIUAh2gZUsIbEsrbHc/sendDocument
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
Link:
https://yomi.yoroi.company/submissions/c042c748985e1dbc468a0c92a66232e55b362bb5901beceb79ae5b466b9e6e06

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

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