MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91b511bb7a9d86543503ce39dbda14d12f86d8d704a7e97c070356a182902bf7. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91b511bb7a9d86543503ce39dbda14d12f86d8d704a7e97c070356a182902bf7
SHA3-384 hash: af38e935a42a2b3fcc945e5d7f44919fba504fedd038b8f04fc5d8dcc8ef3370e312ea386a29abc038d77de42f710df2
SHA1 hash: 592b2d59c08ef52917ba43ccd608b8b8a897064a
MD5 hash: 1dd9842bde2ef096c438c922ad6d2c61
humanhash: robin-angel-mockingbird-eleven
File name:PRODUCT SPECIFICATION.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:501'760 bytes
First seen:2020-10-28 06:34:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:RlzdTZ4rjNxG/i/OfFGr6ZMjYleUXnf/0Dl9OrywZS:RV/4rjvGiO9C6wAeAKl9iy9
TLSH 93B449FA387B442EF4D556FCA095808CA5A609CE2E5C561C21569238C9BCF1E6F0FF27
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80260/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Spy.21505.30044.4421.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Stealing user critical data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/514513
Signature
.NET source code contains very large array initializations
Injects a PE file into a foreign processes
May check the online IP address of the machine
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)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91b511bb7a9d86543503ce39dbda14d12f86d8d704a7e97c070356a182902bf7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-27 12:20:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sg2rdo32twdfinidzy45xwqu2exynwgxast6s7ahanlkdauqfp3q._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
Link:
https://tria.ge/reports/201028-8nq89qvkve/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/91b511bb7a9d86543503ce39dbda14d12f86d8d704a7e97c070356a182902bf7

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
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.

Malspam

AgentTesla

r00 4fc8fa0bab08c89cef51dffd3667921e8b34623b4161623c9cd72111768a0ecb

AgentTesla

Executable exe 91b511bb7a9d86543503ce39dbda14d12f86d8d704a7e97c070356a182902bf7

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 4fc8fa0bab08c89cef51dffd3667921e8b34623b4161623c9cd72111768a0ecb
Cape
Cape
https://www.capesandbox.com/analysis/80260/

Comments