MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3b53b975599992a6454623d9c30a0340ced3d3738a1591b33f515eac7081dca. 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

SHA256 hash: c3b53b975599992a6454623d9c30a0340ced3d3738a1591b33f515eac7081dca
SHA3-384 hash: e3b2651fa611bbc13ac7f6dc8022262ed1dde37cad975e7c3bec357b34960c70268fc2b46cc2b9c3585c934f7b41cbe4
SHA1 hash: a0f2523126ab4447f891ca176c6346e5e9ee2f91
MD5 hash: 9298ad5236858bb746546da0f492fda5
humanhash: orange-grey-december-carolina
File name:vou5I7xmiIBXBCd.exe
Download: download sample
Signature AgentTesla
File size:846'336 bytes
First seen:2021-08-23 15:25:50 UTC
Last seen:2021-08-23 17:46:06 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 24576:CdyO8fOUWd9DDDbjBmZ7rSShVLWzDmtc9a:MlUWTDDbFmZ7rSShBGw
Threatray 8'788 similar samples on MalwareBazaar
TLSH T17705F43D19B91637D1B5C365EBE58423F148986FB410AE6A6CDE07A7030BA9734C723E
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vou5I7xmiIBXBCd.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-23 15:34:54 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Unauthorized injection to a system process
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies the hosts 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)
Sigma detected: MSBuild connects to smtp port
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-23 13:23:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 46 (47.83%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
SH256 hash:
e0329bba9ce94f696c2697b660e6c889edb64ee21bbf7fcd535c42202af9158a
MD5 hash:
854d61359bef96401c26b480d4490a16
SHA1 hash:
b7dc9ada06fb1ee1105c492d9cd4b62eb5ff87cc
SH256 hash:
e31f6764af07128172c5117fc7278b8de7c195b0e9ca65f1adfd88a8db80c23e
MD5 hash:
49ec6727a378a954b86e43fd5faafa7c
SHA1 hash:
a72942601ef6da2c0282e1ab6f49b2b8c667725f
SH256 hash:
c3b53b975599992a6454623d9c30a0340ced3d3738a1591b33f515eac7081dca
MD5 hash:
9298ad5236858bb746546da0f492fda5
SHA1 hash:
a0f2523126ab4447f891ca176c6346e5e9ee2f91
Malware family:
Agent Tesla v3
Verdict:
Malicious
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 c3b53b975599992a6454623d9c30a0340ced3d3738a1591b33f515eac7081dca

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments