MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5feb1c019927e3ac5eb40a94106a54cf1f1f7724332b330d26d6422d6eeab5e. 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: f5feb1c019927e3ac5eb40a94106a54cf1f1f7724332b330d26d6422d6eeab5e
SHA3-384 hash: ee74ef42400f53dfa575bbe25099ec2d04de2bd7af0a2b499c458eeb3f7587e4f4ac946f49a727da331bd381d6251170
SHA1 hash: eeb07cb4d894adc9687ff3d1176a26016555c42d
MD5 hash: 3c8b0a930060ad644dd636fef4b61377
humanhash: quebec-jersey-lemon-don
File name:SecuriteInfo.com.Variant.Bulz.282335.13681.4342
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'019'392 bytes
First seen:2021-06-02 04:39:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:r8ns4eEqwW8iA6Yoq1r6ZyDt7OMpQxxVdK4h6lxfW:r83HeZoBOLr6bTW
Threatray 5'482 similar samples on MalwareBazaar
TLSH AF259EF4F198AAF4D42DD731C2909CAED7A255FE5313CA1C1DA9D6CC1A43B8ADFA8404
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Bulz.282335.13681.4342
Verdict:
Suspicious activity
Analysis date:
2021-06-02 04:42:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ba139acb-6cf6-4b7d-9fdb-4e64cef02d2f

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/163909/
Detection(s):
SecuriteInfo.com.Variant.Bulz.282335.13681.4342.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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/795603
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Drops executable to a common third party application directory
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 427999 Sample: SecuriteInfo.com.Variant.Bu... Startdate: 02/06/2021 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->59 61 Yara detected AgentTesla 2->61 63 6 other signatures 2->63 6 SecuriteInfo.com.Variant.Bulz.282335.13681.exe 3 2->6         started        10 firefox.exe 3 2->10         started        12 firefox.exe 2 2->12         started        process3 file4 29 SecuriteInfo.com.V...82335.13681.exe.log, ASCII 6->29 dropped 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->65 67 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->67 69 Injects a PE file into a foreign processes 6->69 14 SecuriteInfo.com.Variant.Bulz.282335.13681.exe 2 7 6->14         started        19 SecuriteInfo.com.Variant.Bulz.282335.13681.exe 6->19         started        21 SecuriteInfo.com.Variant.Bulz.282335.13681.exe 6->21         started        71 Machine Learning detection for dropped file 10->71 73 Found evasive API chain (trying to detect sleep duration tampering with parallel thread) 10->73 23 firefox.exe 4 10->23         started        25 firefox.exe 4 12->25         started        27 firefox.exe 12->27         started        signatures5 process6 dnsIp7 35 smtp.wickwirewerehouse.com 14->35 37 us2.smtp.mailhostbox.com 208.91.199.223, 49732, 49733, 49747 PUBLIC-DOMAIN-REGISTRYUS United States 14->37 39 192.168.2.1 unknown unknown 14->39 31 C:\Users\user\AppData\Roaming\...\firefox.exe, PE32 14->31 dropped 33 C:\Users\user\...\firefox.exe:Zone.Identifier, ASCII 14->33 dropped 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->49 51 Tries to steal Mail credentials (via file access) 14->51 53 Tries to harvest and steal ftp login credentials 14->53 55 3 other signatures 14->55 41 smtp.wickwirewerehouse.com 23->41 47 2 other IPs or domains 23->47 43 smtp.wickwirewerehouse.com 25->43 45 208.91.198.143, 49749, 49752, 49755 PUBLIC-DOMAIN-REGISTRYUS United States 25->45 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f5feb1c019927e3ac5eb40a94106a54cf1f1f7724332b330d26d6422d6eeab5e/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-06-02 04:40:13 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6x7ldqazsj7dvrplicuucbvfjty7d53simzlgmgsnvscfvxovnpa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
01ec3c8e84c08d1a85b26ab924c54a9bcdbb21139b3be46cfe8040d88ecd3891
AgentTesla
3686ddb8d635e49a9b4e396973aeca3f385a009e3f0265b6679db215776e2c58
AgentTesla
7b268ec1b9c913c9ef94a925343053f20d055457aa719d8e18dcace35e3e097b
AgentTesla
80ef601f22b023786e457852b1723ef80952ea8e2f98f1e387bebe043bfa1d59
AgentTesla
9152b31b0c1b7baa6722d1fad2a5657659da5eb4ffbc21b4e64d85fd4ab8b28c
AgentTesla
9805afbc4ec53bea5c08ab912445f1a9e34791eeaaba6c8ec0d50223e2c6005b
AgentTesla
9b4ad6f6cbd7d9d058d41592162db3a3766f6111ae02a83c58780efaf929068f
AgentTesla
c4a0a2bfbf88549d2ced5df138f306ae2cd026cd9a4c048a11ad6cb9c1abbdb2
AgentTesla
e3c1cb8abfdeabbe70f39bacdf17c06533c4fa1d866f38031d9d615131e95c51
AgentTesla
ecf592d2aed1d17b4c75e72a40edeb9b4396c8c9181cee7519ebe63bb7391870
AgentTesla
+ 5'472 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/210602-3mqemmhyme/
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:
0.88
Link:
https://yomi.yoroi.company/submissions/f5feb1c019927e3ac5eb40a94106a54cf1f1f7724332b330d26d6422d6eeab5e

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/163909/

Comments