MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 742e6b83dd4ddcfa17de781c7cb6c4d9ca2ecee40e44416f0f69f765d2c969ba. 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: 742e6b83dd4ddcfa17de781c7cb6c4d9ca2ecee40e44416f0f69f765d2c969ba
SHA3-384 hash: bf5cc029c6a352454bc2e686bfaf6eeb175359d8cee025018613c5c4a2731b290e4c6ff14f9b1a9f3a6a8d86a474cefe
SHA1 hash: 86053c50cf3de690f042197a5b7e3424e81e3d2f
MD5 hash: fd0f979acc2c782138a89f9b4b5e837a
humanhash: alpha-lion-oxygen-eighteen
File name:FILE 902489884 SCAN 048945PDF.exe
Download: download sample
Signature AgentTesla
File size:1'182'208 bytes
First seen:2020-07-20 07:22:38 UTC
Last seen:2020-07-20 08:10:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:gu6Ld1q9I6/kldSCGDyaod+ik4g8y3SoD/R91ood7BICqMkh6CNo8Fp8Ze5qwEK6:gu8dOPW2rEloDJPd7KCZkhnNdLrsJKd
Threatray 10'729 similar samples on MalwareBazaar
TLSH DB45BDC5B6909000D9AC2FB55E62CAB94322BD19FCF1A24F3BC4BB5E2B77392C455712
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 62-210-114-5.rev.poneytelecom.eu
Sending IP: 62.210.114.5
From: OCEAN INTERNATIONAL TRADING <sharmrend@ifegy.net>
Subject: Inquiry - Our Ref: JULY-ST.057/20
Attachment: FILE 902489884 SCAN 048945PDF.IMG (contains "FILE 902489884 SCAN 048945PDF.exe")

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

Intelligence


File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %temp% subdirectories
Reading critical registry keys
Creating a file
Deleting a recently created file
Reading Telegram data
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a TCP request to an infection source
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 247576 Sample: FILE 902489884 SCAN 048945PDF.exe Startdate: 20/07/2020 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 64 7 other signatures 2->64 7 YYtJku.exe 1 2->7         started        10 FILE 902489884 SCAN 048945PDF.exe 5 2->10         started        13 YYtJku.exe 2->13         started        process3 file4 66 Multi AV Scanner detection for dropped file 7->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->68 70 Machine Learning detection for dropped file 7->70 72 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->72 15 YYtJku.exe 2 7->15         started        32 C:\Users\user\AppData\Roaming\QBaeObJqf.exe, PE32 10->32 dropped 34 C:\Users\...\QBaeObJqf.exe:Zone.Identifier, ASCII 10->34 dropped 36 C:\Users\user\AppData\Local\...\tmpE596.tmp, XML 10->36 dropped 38 C:\...\FILE 902489884 SCAN 048945PDF.exe.log, ASCII 10->38 dropped 74 Injects a PE file into a foreign processes 10->74 19 FILE 902489884 SCAN 048945PDF.exe 2 5 10->19         started        22 schtasks.exe 1 10->22         started        24 YYtJku.exe 13->24         started        signatures5 process6 dnsIp7 40 mail.flsrnidth.com 15->40 46 Tries to harvest and steal ftp login credentials 15->46 48 Tries to harvest and steal browser information (history, passwords, etc) 15->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->50 42 flsrnidth.com 167.114.220.88, 49717, 49721, 587 OVHFR Canada 19->42 44 mail.flsrnidth.com 19->44 28 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 19->28 dropped 30 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 19->30 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->52 54 Moves itself to temp directory 19->54 56 Tries to steal Mail credentials (via file access) 19->56 26 conhost.exe 22->26         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Masslogger
Status:
Malicious
First seen:
2020-07-19 23:47:03 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: RenamesItself
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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 742e6b83dd4ddcfa17de781c7cb6c4d9ca2ecee40e44416f0f69f765d2c969ba

(this sample)

  
Delivery method
Distributed via e-mail attachment

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