MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 518f61b23eb64a58b3bc75b881de46dbbf852a3f77ae3677d5763caeb2ad913c. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 518f61b23eb64a58b3bc75b881de46dbbf852a3f77ae3677d5763caeb2ad913c
SHA3-384 hash: e3605c1d768eacfb35c6d04f9ce2a129c8ed136cbd827f0ee3fbdb4786b01b51e0168694027ed5ef073b5c2b9650ee9a
SHA1 hash: ccfc781cf3c04ad8c360bb8091dd2782242a0b12
MD5 hash: 4d9ed8bcc83a55ed9cdee4b4a87ffc54
humanhash: nebraska-ack-quiet-march
File name:Solicitud de presupuesto 44567889.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:867'840 bytes
First seen:2020-08-03 13:51:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 419fbe6e075aa65af76659d0d420ea2c (6 x AgentTesla, 6 x MassLogger, 1 x Pony)
ssdeep 12288:Uz7VdBti8MLJ7B8xsYP2ExVZpL1EHvXUd+be2K5y9xMYnDRBhsSI5lr2y6Sm9:UzZTtiz78xsYLZpm8UqvKDRBerW9
Threatray 11'772 similar samples on MalwareBazaar
TLSH C405AE22B2D08437C1732A3D5F1BAFB49836BD11392899466BFB5C4CCF396523936297
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: www.atecyr.org
Sending IP: 94.177.185.236
From: Raquel blasco <raquelblasco@roscadosdevalencia.com>
Subject: Reanudación de cotización
Attachment: Solicitud de presupuesto 44567889.iso (contains "Solicitud de presupuesto 44567889.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/37900/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Sending a UDP request
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/408042
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/518f61b23eb64a58b3bc75b881de46dbbf852a3f77ae3677d5763caeb2ad913c/
Threat name:
Win32.Trojan.Strictor
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 13:53:12 UTC
AV detection:
20 of 48 (41.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kghwdmr6wzffrm54ow4idxsg3o7ykkr7o6xdm56voy6k5mvnse6a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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731d6bd52db80b3c422dc2e72e9c17adf0018fe1a392e67d28f642d96c02411e
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9026e9b714998846a26087ed7f5a276b1399204a1e34d469571a7301ce720931
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946200f42fe267c47b2e0983a1d2e1249b78433412f4a0874eee89d985b76553
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af57927aac1c53cbb2fa38eceeb02f2739a44433f9dd0328e22e69da3239cf39
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b09caba2fbb0d66ee3451e31471cd2b3daabef15c16b16b300f92cb00f7482d1
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b4ddc58acc408b2ba14056f04e2a989f229e537dc7132a48250b3565ef82ca09
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d8689dd42505b5642a74074a5b1b37f8cd721c5e6423cf63f1fe80fe180f839a
AgentTesla
+ 11'762 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200803-zs5hmpb9wx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP 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.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/518f61b23eb64a58b3bc75b881de46dbbf852a3f77ae3677d5763caeb2ad913c

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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

iso ad75b7154c476aa1c96e6664b2c6b594bc5a9e6f738c3e99e8b7a8b5f7975fa5

AgentTesla

Executable exe 518f61b23eb64a58b3bc75b881de46dbbf852a3f77ae3677d5763caeb2ad913c

(this sample)

  
Dropped by
MD5 ef8ad5804ec6bcdc887f09858abf15ce
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/37900/
  
Dropped by
SHA256 ad75b7154c476aa1c96e6664b2c6b594bc5a9e6f738c3e99e8b7a8b5f7975fa5

Comments