MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71a4df5f7ec7a6fc953f090d09b068a43b7fb10ae0050d759f32aa2e48c8377a. 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: 71a4df5f7ec7a6fc953f090d09b068a43b7fb10ae0050d759f32aa2e48c8377a
SHA3-384 hash: 7f6569f6eb7f3117e85cef785600602f30310b8500a200f59f2839aa43cef01c0f3d516ef8cfb48050fbdfb9f3a2da4f
SHA1 hash: 5dfba50ef6457f7d9c17a80f6b6da9afc60ee7e2
MD5 hash: 600ceabb2d0a62346a5969353e70105d
humanhash: queen-tennessee-illinois-two
File name:RFQ 11054 -Items.exe
Download: download sample
Signature AgentTesla
File size:911'872 bytes
First seen:2020-09-10 05:31:50 UTC
Last seen:2020-09-10 06:43:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0a51d3dbff2755c7c37ce35e5920f020 (15 x AgentTesla, 8 x MassLogger, 6 x Loki)
ssdeep 12288:dc8JhscTlxKwOUBMwW+c4eJsmYxBs4fCPMdVQA5IvmlibPygrsOiVys:3LJlxKfwvmygMdfgVPyg4O4
Threatray 11'048 similar samples on MalwareBazaar
TLSH D8159D23B2AC4A3FC1BE1A397C3B53749829BF43292469467BE4ED0C4F3965439252D7
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
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
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
Contains functionality to detect sleep reduction / modifications
Delayed program exit found
Detected unpacking (changes PE section rights)
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 283818 Sample: RFQ 11054 -Items.exe Startdate: 10/09/2020 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Detected unpacking (changes PE section rights) 2->40 42 7 other signatures 2->42 7 wscript.exe 1 2->7         started        9 RFQ 11054 -Items.exe 2->9         started        process3 signatures4 12 RFQ 11054 -Items.exe 7->12         started        52 Writes to foreign memory regions 9->52 54 Allocates memory in foreign processes 9->54 56 Maps a DLL or memory area into another process 9->56 58 Queues an APC in another process (thread injection) 9->58 15 notepad.exe 1 9->15         started        17 RFQ 11054 -Items.exe 4 9->17         started        19 RFQ 11054 -Items.exe 9->19         started        process5 signatures6 60 Writes to foreign memory regions 12->60 62 Allocates memory in foreign processes 12->62 64 Maps a DLL or memory area into another process 12->64 21 RFQ 11054 -Items.exe 4 12->21         started        25 notepad.exe 1 12->25         started        28 RFQ 11054 -Items.exe 12->28         started        66 Drops VBS files to the startup folder 15->66 68 Delayed program exit found 15->68 process7 dnsIp8 32 smtp.yandex.ru 77.88.21.158, 49740, 587 YANDEXRU Russian Federation 21->32 34 smtp.yandex.com 21->34 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->44 46 Tries to steal Mail credentials (via file access) 21->46 48 Tries to harvest and steal ftp login credentials 21->48 50 Tries to harvest and steal browser information (history, passwords, etc) 21->50 30 C:\Users\user\AppData\Roaming\...\FILE.vbs, ASCII 25->30 dropped file9 signatures10
Threat name:
Win32.Trojan.DelfInject
Status:
Malicious
First seen:
2020-09-10 03:17:28 UTC
File Type:
PE (Exe)
Extracted files:
41
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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 71a4df5f7ec7a6fc953f090d09b068a43b7fb10ae0050d759f32aa2e48c8377a

(this sample)

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