MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4725979042161b21b7b9d133b848b2c36c46de4752fd38e6be2887134fdd1e5a. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4725979042161b21b7b9d133b848b2c36c46de4752fd38e6be2887134fdd1e5a
SHA3-384 hash: 1f4c4e635ef9436bacee96644435f03394495949e3c15596db351e762ac2bc251850330ae0ea967bb15b98f15e075a95
SHA1 hash: 0e654ad42122190aefc266f8aa57a25c6328dcc9
MD5 hash: 9e3d83703578d051e1958c9d089765dd
humanhash: asparagus-july-seven-steak
File name:3eMNB.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:465'920 bytes
First seen:2021-11-19 06:39:38 UTC
Last seen:2021-11-19 07:40:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:jTbr343rmrz1LvURaFrzmZ6lhGRFzf3ygSagFjDgohxAwuwXp5k4xE0YGPoIP:3gGjU0RzmZ6+RRf9UjDdDuCPRd
TLSH T1E4A4120723798B11DC3E47BC44B052295FB76555AE33F69F2ED924EF25A334082A2B27
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3eMNB.exe
Verdict:
Malicious activity
Analysis date:
2021-11-19 06:54:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9591dd55-4f7d-468e-bca5-55cf253db266

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619746c94912a8c920a36ce2/reports/ea0f4b49-b463-4a19-a9d7-407f0484f69d/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8d573e8e-a1f4-4541-99c7-ce58256d1823
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/892473
Signature
.NET source code contains potential unpacker
.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
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 dnsIp2 2 Behavior Graph ID: 524946 Sample: 3eMNB.exe Startdate: 19/11/2021 Architecture: WINDOWS Score: 100 32 mail.aquanova.es 2->32 34 clientconfig.passport.net 2->34 36 a-0019.a.dns.azurefd.net 2->36 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 5 other signatures 2->54 7 3eMNB.exe 3 2->7         started        11 kprUEGC.exe 3 2->11         started        13 kprUEGC.exe 2 2->13         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\3eMNB.exe.log, ASCII 7->30 dropped 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->56 58 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->58 15 3eMNB.exe 2 5 7->15         started        60 Multi AV Scanner detection for dropped file 11->60 62 Injects a PE file into a foreign processes 11->62 20 kprUEGC.exe 2 11->20         started        22 kprUEGC.exe 2 13->22         started        signatures6 process7 dnsIp8 38 mail.aquanova.es 51.83.52.225, 49788, 49825, 587 OVHFR France 15->38 24 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->24 dropped 26 C:\Windows\System32\drivers\etc\hosts, ASCII 15->26 dropped 28 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->28 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Tries to steal Mail credentials (via file / registry access) 15->42 44 Tries to harvest and steal ftp login credentials 15->44 46 3 other signatures 15->46 file9 signatures10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4725979042161b21b7b9d133b848b2c36c46de4752fd38e6be2887134fdd1e5a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-19 01:04:20 UTC
AV detection:
6 of 44 (13.64%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i4szpecccynsdn5z2ez3qsfsynwenxshkl6trzv6fcdrgt65dzna._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211119-he8mmscea2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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 Payload
AgentTesla
Unpacked files
SH256 hash:
105c4aa94779201994b8032b10d35b74e2fff476da40d4c853df4c2320f5a504
MD5 hash:
fdc98c32588e21c5db45c08ef666990d
SHA1 hash:
9094d2178d4b3cd0cdba61532667288c04208365
Link:
https://www.unpac.me/results/0503ab67-47b3-49e4-ba35-5fed0eb5ba3b/
SH256 hash:
cc5c5860e83b708cd158454165cbeb714767119946049de5aa7677685be75c14
MD5 hash:
83cbea4dec6e5b64a85ee9b6f9ff7598
SHA1 hash:
5c1d12b792c32ba73b7bf2634da5e4d9fbcd7d4e
Link:
https://www.unpac.me/results/0503ab67-47b3-49e4-ba35-5fed0eb5ba3b/
SH256 hash:
a4f1d5b7140b65fa7e6338ca778769d3117530c9ff286d052333c74d7ab72799
MD5 hash:
b43067fcb98c9c91e4a0f21cd14187ef
SHA1 hash:
008af014e113484a14355b46ac20bd41af21a632
Link:
https://www.unpac.me/results/0503ab67-47b3-49e4-ba35-5fed0eb5ba3b/
SH256 hash:
4725979042161b21b7b9d133b848b2c36c46de4752fd38e6be2887134fdd1e5a
MD5 hash:
9e3d83703578d051e1958c9d089765dd
SHA1 hash:
0e654ad42122190aefc266f8aa57a25c6328dcc9
Link:
https://www.unpac.me/results/0503ab67-47b3-49e4-ba35-5fed0eb5ba3b/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/472597904216/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/4725979042161b21b7b9d133b848b2c36c46de4752fd38e6be2887134fdd1e5a

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: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.

Malspam

AgentTesla

Executable exe 4725979042161b21b7b9d133b848b2c36c46de4752fd38e6be2887134fdd1e5a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/207482/

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