MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19c3a655a9ca74f7b3125fc2130993deac85ae95c800acba047ac0e5f4d0f377. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 19c3a655a9ca74f7b3125fc2130993deac85ae95c800acba047ac0e5f4d0f377
SHA3-384 hash: 26eed61c3483716ab30519b24e3eb4c84df345109fc1d5c2f42c64c40087da2d59f338afe9e9d6c8317599a99cdd298e
SHA1 hash: 6072dd154601a0f0fb565a2b1cc5821b5e017527
MD5 hash: cac3cfc644f4232069e478c645ac03c4
humanhash: sixteen-johnny-social-xray
File name:stan.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:444'416 bytes
First seen:2022-04-27 13:58:14 UTC
Last seen:2022-04-27 14:40:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:1IH7WlG825r0J2XI0v4zr2PnUDmWlF+mkGVrGZpHDq9Bv7EX95OjDq+z9CLVFOMg:1IWk3XIAmHEDG9FIX9eG7tgxPDJ
Threatray 16'060 similar samples on MalwareBazaar
TLSH T1F6945AD83641B6DFCD63D9338BDC1EA0A2212577432BF707521723E85A4E96F9E241E2
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
309
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/267249/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1316.23248.6489.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Sending a custom TCP request
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Changing the hosts file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/62694c282b32b1c37c660b1d/reports/1992d728-f566-4c0d-bb4b-5dc800af1ffe/overview
Result
Verdict:
UNKNOWN
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:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/321da138-d5d1-4952-9165-3e3ad4269ceb
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/984108
Signature
.NET source code contains very large array initializations
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
Malicious sample detected (through community Yara rule)
Modifies the hosts file
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 616604 Sample: stan.exe Startdate: 27/04/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 6 other signatures 2->53 6 stan.exe 3 2->6         started        10 xQHyGqn.exe 3 2->10         started        12 xQHyGqn.exe 2 2->12         started        process3 file4 23 C:\Users\user\AppData\Local\...\stan.exe.log, ASCII 6->23 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->57 59 Injects a PE file into a foreign processes 6->59 14 stan.exe 2 5 6->14         started        19 stan.exe 6->19         started        61 Multi AV Scanner detection for dropped file 10->61 63 Machine Learning detection for dropped file 10->63 21 xQHyGqn.exe 2 10->21         started        signatures5 process6 dnsIp7 31 mail.morabitur.com 198.46.88.214, 49753, 49754, 587 INMOTI-1US United States 14->31 25 C:\Users\user\AppData\Roaming\...\xQHyGqn.exe, PE32 14->25 dropped 27 C:\Windows\System32\drivers\etc\hosts, ASCII 14->27 dropped 29 C:\Users\user\...\xQHyGqn.exe:Zone.Identifier, ASCII 14->29 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file / registry access) 14->35 37 Modifies the hosts file 14->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->39 41 Tries to harvest and steal ftp login credentials 21->41 43 Tries to harvest and steal browser information (history, passwords, etc) 21->43 45 Installs a global keyboard hook 21->45 file8 signatures9
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/19c3a655a9ca74f7b3125fc2130993deac85ae95c800acba047ac0e5f4d0f377/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-04-27 13:57:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
20da9061d97a613081f164a4ace352121755f24a0e0c717d2791e03579daff53
AgentTesla
3b3ff2afcf8f10b9221e2bd5a293652103782881a9721eb94b321e20cada320a
AgentTesla
420cacce3241516712512c26b2e5bab151a6c71d67aaa058e773c28d6d993873
AgentTesla
76bfbb524e921f7639ecbb2c7d40e072d5b45aa4b8521a45d82d85f96743afeb
AgentTesla
89b75bc8ff9c43ac3c01b3392c5004927a86ee31d4c31377123c3d213218f92d
AgentTesla
aab6da8c60a8bbf63b8e7808c6050fb8e5f4b93731f4919775064c9948e52f75
AgentTesla
+ 16'050 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220427-radfdagcf9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
e05bcc8a79faf93a0860f7d211ced3197d9d3fe5d15cf893baff48b0eda7ad6b
MD5 hash:
07f2d6556831452a6d7ab9f3ec9c6ffc
SHA1 hash:
a626dcc5b6de39d187e3b4eb4524f331ef220ada
Link:
https://www.unpac.me/results/cef79645-3bcc-439d-8f06-02194ecace98/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/cef79645-3bcc-439d-8f06-02194ecace98/
SH256 hash:
b76755f9eb2de6e4e90c538bfce2122657d3efc15606b30190ed16942a8bed68
MD5 hash:
bfa7b1ff39fee01c7c8b9d54f6506fb7
SHA1 hash:
3bb0323d8a24c93ba2355117ac59fdf256e122cd
Link:
https://www.unpac.me/results/cef79645-3bcc-439d-8f06-02194ecace98/
SH256 hash:
19c3a655a9ca74f7b3125fc2130993deac85ae95c800acba047ac0e5f4d0f377
MD5 hash:
cac3cfc644f4232069e478c645ac03c4
SHA1 hash:
6072dd154601a0f0fb565a2b1cc5821b5e017527
Link:
https://www.unpac.me/results/cef79645-3bcc-439d-8f06-02194ecace98/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/19c3a655a9ca/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/19c3a655a9ca74f7b3125fc2130993deac85ae95c800acba047ac0e5f4d0f377

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.

  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/2158309/
Cape
Cape
https://www.capesandbox.com/analysis/267249/

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