MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45d53a69e56101ceffd8a23fa8a4d1cdc9fb47dd5ca00a255d2ee9e8e16fd13a. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments

SHA256 hash: 45d53a69e56101ceffd8a23fa8a4d1cdc9fb47dd5ca00a255d2ee9e8e16fd13a
SHA3-384 hash: 3865c80deea142feacf708151aaaf71b161c7211535da0dfecc8174cc084dde3e6a37f5ed715463e1e81d7ebf585b107
SHA1 hash: 973e639ed9fd9e0c29b539c18d10e15e22b61c1a
MD5 hash: 7686d3e25032e8b3788aa7f1ead53c2d
humanhash: mexico-oxygen-lithium-blossom
File name:7686d3e25032e8b3788aa7f1ead53c2d.exe
Download: download sample
Signature AgentTesla
File size:487'936 bytes
First seen:2020-10-19 13:30:03 UTC
Last seen:2020-10-19 15:06:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:D/9EJ9wt2L2C1Iz0i1h4L9j9Z3i8DzP0Zyt:D4YC1Iz0ikxD3i8u
Threatray 313 similar samples on MalwareBazaar
TLSH 52A4AFB13D96596ECA6F077151A985C1FAB616C73FA08F0D71AF430C0E11A2BEB1325B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Running batch commands
Launching a process
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
.NET source code contains very large array initializations
Creates an autostart registry key pointing to binary in C:\Windows
Drops PE files to the user root directory
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
Tries to detect virtualization through RDTSC time measurements
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 300242 Sample: jnTYnPrMhl.exe Startdate: 19/10/2020 Architecture: WINDOWS Score: 88 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected AgentTesla 2->37 39 .NET source code contains very large array initializations 2->39 41 Machine Learning detection for sample 2->41 7 jnTYnPrMhl.exe 9 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 27 C:\Users\user\iugsd.exe, PE32 7->27 dropped 29 C:\Users\user\iugsd.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\...\jnTYnPrMhl.exe.log, ASCII 7->31 dropped 33 2 other files (none is malicious) 7->33 dropped 51 Drops PE files to the user root directory 7->51 53 Tries to detect virtualization through RDTSC time measurements 7->53 15 cmd.exe 1 7->15         started        17 iugsd.exe 2 7->17         started        19 iugsd.exe 3 11->19         started        signatures5 process6 signatures7 22 reg.exe 1 1 15->22         started        25 conhost.exe 15->25         started        43 Multi AV Scanner detection for dropped file 19->43 45 Machine Learning detection for dropped file 19->45 47 Tries to detect virtualization through RDTSC time measurements 19->47 process8 signatures9 49 Creates an autostart registry key pointing to binary in C:\Windows 22->49
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-19 12:09:51 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla
Unpacked files
SH256 hash:
45d53a69e56101ceffd8a23fa8a4d1cdc9fb47dd5ca00a255d2ee9e8e16fd13a
MD5 hash:
7686d3e25032e8b3788aa7f1ead53c2d
SHA1 hash:
973e639ed9fd9e0c29b539c18d10e15e22b61c1a
SH256 hash:
3d8fbab6241023109a36d57a7bb5a8b17406d5131e41e91177b513dcb11737e0
MD5 hash:
69888c587537a03a98b253a361d27c34
SHA1 hash:
1f537e0b4db6ffb3f35116fcb8e32cd6f45416b6
SH256 hash:
9bec550624b5ebe019ea8952f9df0694a62a0fe02d6da901d0778bfbeb0ac219
MD5 hash:
292808395f593509fb3169d5dfba0749
SHA1 hash:
b3778f6c62472df1b896ff92e823409cdf87e225
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Web download

AgentTesla

Executable exe 45d53a69e56101ceffd8a23fa8a4d1cdc9fb47dd5ca00a255d2ee9e8e16fd13a

(this sample)

  
Delivery method
Distributed via web download

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