MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2352a7cd00ed5221c4b807670ca01f49f76beb5dea868d8db38b1fcc0e362c18. 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: 2352a7cd00ed5221c4b807670ca01f49f76beb5dea868d8db38b1fcc0e362c18
SHA3-384 hash: ab7a0d6a54dfe9a6e3b35c2ca8f9d4259044f42332a669fa2b372308e31080ee35a52aa19b4b06677a251984d320a0cf
SHA1 hash: f4000edd4a9580e0b53a5d7650f9e31bf5332017
MD5 hash: 1dba43e73f7622b68ec986234d3cc873
humanhash: maryland-undress-fish-uniform
File name:carta de pago pdf.exe
Download: download sample
Signature AgentTesla
File size:756'736 bytes
First seen:2020-07-21 15:36:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:cdbwOwMIY+iil6YNoiga0aufaQ2s7CLHYmZUsrHns+s/jQzu:AwqI3A1FiQ2soDHs+sbl
Threatray 10'438 similar samples on MalwareBazaar
TLSH 5AF49E00FBF485CAD3AA1F7AD87141009A75F95BA7E6E78B2B84F6AC18533584743F12
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.eldorado.com.uy
Sending IP: 190.64.204.53
From: Florencia Diaz <fldiaz@eldorado.com.uy>
Subject: carta de pago
Attachment: carta de pago pdf.r01 (contains "carta de pago pdf.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence


File Origin
# of uploads :
1
# 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
Using the Windows Management Instrumentation requests
Moving of the original file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249056 Sample: carta de pago pdf.exe Startdate: 22/07/2020 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Sigma detected: Capture Wi-Fi password 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 5 other signatures 2->51 8 carta de pago pdf.exe 5 2->8         started        12 MJVkSQ.exe 3 2->12         started        14 MJVkSQ.exe 4 2->14         started        process3 file4 39 C:\Users\user\...\carta de pago pdf.exe.log, ASCII 8->39 dropped 67 Injects a PE file into a foreign processes 8->67 16 carta de pago pdf.exe 1 5 8->16         started        21 MJVkSQ.exe 2 12->21         started        23 MJVkSQ.exe 12->23         started        69 Multi AV Scanner detection for dropped file 14->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->71 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->73 25 MJVkSQ.exe 2 14->25         started        signatures5 process6 dnsIp7 41 us2.smtp.mailhostbox.com 208.91.198.143, 49718, 587 PUBLIC-DOMAIN-REGISTRYUS United States 16->41 35 C:\Users\user\AppData\Roaming\...\MJVkSQ.exe, PE32 16->35 dropped 37 C:\Users\user\...\MJVkSQ.exe:Zone.Identifier, ASCII 16->37 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->53 55 Moves itself to temp directory 16->55 57 Tries to steal Mail credentials (via file access) 16->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->59 27 netsh.exe 3 16->27         started        43 208.91.199.224, 49719, 587 PUBLIC-DOMAIN-REGISTRYUS United States 21->43 61 Tries to harvest and steal ftp login credentials 21->61 63 Tries to harvest and steal browser information (history, passwords, etc) 21->63 65 Tries to harvest and steal WLAN passwords 21->65 29 netsh.exe 21->29         started        file8 signatures9 process10 process11 31 conhost.exe 27->31         started        33 conhost.exe 29->33         started       
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Status:
Malicious
First seen:
2020-07-21 15:38:08 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware persistence keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Modifies service
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
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 2352a7cd00ed5221c4b807670ca01f49f76beb5dea868d8db38b1fcc0e362c18

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments