MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75b5a3352b14a3d4a5dcbf496a997507edd6d5fdd641fdd37747f21ec6ae7efd. 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: 75b5a3352b14a3d4a5dcbf496a997507edd6d5fdd641fdd37747f21ec6ae7efd
SHA3-384 hash: 905a30ab6adc5506e6b2abadb91c5040b755781c854d0b3f961153e1924ff2667324f929cee878ad29f91c258652fd5c
SHA1 hash: 0806e4664dc3cf5f1ff3fdac131dfff92e09b830
MD5 hash: b1996ce7fe4ba0cfda8796343f8a5b0f
humanhash: california-autumn-oxygen-earth
File name:Proforma Invoice.exe
Download: download sample
Signature AgentTesla
File size:689'152 bytes
First seen:2021-04-19 06:56:11 UTC
Last seen:2021-04-19 06:56:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:oa0ufB2DtwGsxoA7KDoML++41BEA3H66WnSHinKYl1czZkv7UHGa5:2uZatwnxoATqH4Mw66WmuC9k7e
Threatray 4'011 similar samples on MalwareBazaar
TLSH 7CE401309A4DFAEEC82C1BB5D450483A15779353E759CE1FE48E01888AE4786F86D3E6
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence


File Origin
# of uploads :
2
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma Invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-04-19 06:58:11 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
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 392092 Sample: Proforma Invoice.exe Startdate: 19/04/2021 Architecture: WINDOWS Score: 100 43 mail.bzuriyeh.com 2->43 45 bzuriyeh.com 2->45 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Found malware configuration 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 9 other signatures 2->61 8 Proforma Invoice.exe 6 2->8         started        12 kprUEGC.exe 2 2->12         started        14 kprUEGC.exe 1 2->14         started        signatures3 process4 file5 33 C:\Users\user\AppData\Roaming\DyZrxifRm.exe, PE32 8->33 dropped 35 C:\Users\user\AppData\Local\...\tmpC6EB.tmp, XML 8->35 dropped 37 C:\Users\user\...\Proforma Invoice.exe.log, ASCII 8->37 dropped 63 Writes to foreign memory regions 8->63 65 Injects a PE file into a foreign processes 8->65 16 RegSvcs.exe 2 4 8->16         started        21 schtasks.exe 1 8->21         started        23 conhost.exe 12->23         started        25 conhost.exe 14->25         started        signatures6 process7 dnsIp8 39 bzuriyeh.com 173.254.36.126, 49739, 587 UNIFIEDLAYER-AS-1US United States 16->39 41 mail.bzuriyeh.com 16->41 29 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 16->29 dropped 31 C:\Windows\System32\drivers\etc\hosts, ASCII 16->31 dropped 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->49 51 Tries to steal Mail credentials (via file access) 16->51 53 6 other signatures 16->53 27 conhost.exe 21->27         started        file9 signatures10 process11
Gathering data
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
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

Executable exe 75b5a3352b14a3d4a5dcbf496a997507edd6d5fdd641fdd37747f21ec6ae7efd

(this sample)

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