MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4ddc58acc408b2ba14056f04e2a989f229e537dc7132a48250b3565ef82ca09. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: b4ddc58acc408b2ba14056f04e2a989f229e537dc7132a48250b3565ef82ca09
SHA3-384 hash: 8eb4fe48af18e5db0add0ffa8a5f161db87e21b88440321926bf882550182cd88b6a238bc6444480a16bfcfcf0c08a00
SHA1 hash: 75a1d7257451363a7cbbe1d9465cc8f363dffd89
MD5 hash: a17be8ba29c41bef98c07a75dfd78f29
humanhash: artist-ceiling-ceiling-spaghetti
File name:20OA06052_085812030820.bin
Download: download sample
Signature AgentTesla
File size:861'184 bytes
First seen:2020-08-03 14:31:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 419fbe6e075aa65af76659d0d420ea2c (6 x AgentTesla, 6 x MassLogger, 1 x Pony)
ssdeep 12288:Yz7VdBti8MLJ7B8xsYP2ExVZpL1EHvXUd+be2K5y9xqNf6Cl2+RTOFrwUtFAc:YzZTtiz78xsYLZpm8Uqv132+FOyUtec
Threatray 11'812 similar samples on MalwareBazaar
TLSH 8D05AD22B2D04437C1732A3C9F1BAFB5983ABE11392899466BF75C4C8E397513936397
Reporter JAMESWT_WT
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
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 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
Behaviour
Behavior Graph:
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-08-03 14:31:23 UTC
File Type:
PE (Exe)
Extracted files:
66
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
UPX packed file
AgentTesla Payload
AgentTesla
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments