MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 537138289e71224816b26b83db4b7d5fe1021e7b915bb512bdb99b8ae5969aae. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 537138289e71224816b26b83db4b7d5fe1021e7b915bb512bdb99b8ae5969aae
SHA3-384 hash: e0c23cadb61afd01e6d66eee3b25a014506352d9f40bd1805e7ee9b4c6f2eb08262cfe83876d0a91f2c988b8fb5404c6
SHA1 hash: 2c60c823418d8055ca26d2704de316d66be87c29
MD5 hash: ec251b43e2442c891899cd76e1d14481
humanhash: quiet-zebra-venus-gee
File name:swift copy.exe
Download: download sample
Signature AgentTesla
File size:1'195'008 bytes
First seen:2020-08-31 10:44:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 73ae1eef07955a270fc7a7f873444c85 (16 x AgentTesla, 8 x MassLogger, 5 x Loki)
ssdeep 12288:qR/MXPsQjiTiCAeeJpWkjumgIvSQCutDEVFbtir4247AQrns/1WVioI0vBIfAe2L:0QvrCXEucruic247nrns/0wo8fAhW7hc
Threatray 9'492 similar samples on MalwareBazaar
TLSH D1458D62BDD24832C1F31A3C9C575F749C2ABEC16B2468797BE8DD4C5E3428178392A7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hosting1.beeline.am
Sending IP: 212.73.86.34
From: Ruth Pamela David <Ruth.David@jsbl.com>
Subject: RE: BANK TRANSFER SLIP
Attachment: swift copy-img_________________________.gz (contains "swift copy.exe")

AgentTesla SMTP exfil server:
mail.hybridgroupco.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
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
Behaviour
Behavior Graph:
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-08-31 03:21:09 UTC
AV detection:
28 of 29 (96.55%)
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: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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.

Malspam

AgentTesla

Executable exe 537138289e71224816b26b83db4b7d5fe1021e7b915bb512bdb99b8ae5969aae

(this sample)

  
Delivery method
Distributed via e-mail attachment

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