MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4e7b5ffd36ab7f413b5a3f14133410593d0f9158edcfff01f33d560e143b3fb. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4e7b5ffd36ab7f413b5a3f14133410593d0f9158edcfff01f33d560e143b3fb
SHA3-384 hash: 39e6450377b515dcec40b57c9ffd0c26d3a30e299581216342c40b092a58168d4023741d49be86c89c6b7368d423e7f4
SHA1 hash: a22104bbab595dcba7801a248c25212a506864b8
MD5 hash: cd35c6c40dc25110f961a22d2c6c2dbe
humanhash: twenty-seven-west-kitten
File name:Correct Quotation.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'483'264 bytes
First seen:2020-06-10 14:49:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:aAHnh+eWsN3skA4RV1Hom2KXMmHaiFR/ds/XHdmFtOfsPC0OEM543EGF35uvn7cK:th+ZkldoPK8YaiB8HdmFtOYGH5i473
Threatray 11'170 similar samples on MalwareBazaar
TLSH 8965CF0273D1C036FFAB92739B6AF64156BD7D254133852F13982DB9B9701B2223E663
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: goldencup.com.hk
Sending IP: 95.211.208.50
From: SALES <xh.chen@goldencup.com.hk>
Subject: RE: CORRECT QUOTATION
Attachment: Correct Quotation.PDF.z (contains "Correct Quotation.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27684.AidExe.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.27686.AidExe.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.27681.XorExe.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.AIT.Trojan.Nymeria.1583.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-10 14:50:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtt3l76tnk37ie5vupyucm2bawj5b6ivr3op74a7gpkwbykdwp5q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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3f258d6b65fd6594bc19ac4f3825112f78043a3c112f7bf56dd40bec84750a1e
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7a74c2a23d62f4b0fe825cad7a0d2ab928bf17365ad8dd1eaea28ab81f7f8e10
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8987fe5728f9a2463b31b2b2712bafd4362d3a7d3e1b3e20eb54b8bc60a61859
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a24cbb68747fd9aa4f8cbbd627efdc330a064fe0ad42d4e8738f2778d108e661
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bca37ddb3330991ff40fdc9462eebaf28b8cca2ee0a3c89b4102517c77d2dae8
AgentTesla
f96c785a49175646179811572608f0ea0eac90d520cda115b6f6fdf2054a0d81
AgentTesla
+ 11'160 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-9b6jvtk912/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Modifies service
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
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
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

z d940606fbbe25e9fdea64c5e6fe5b7a73595ea654164ed092da6945393fea556

AgentTesla

Executable exe b4e7b5ffd36ab7f413b5a3f14133410593d0f9158edcfff01f33d560e143b3fb

(this sample)

  
Dropped by
MD5 7203b6595152a41cfa59e0742014ab6f
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 d940606fbbe25e9fdea64c5e6fe5b7a73595ea654164ed092da6945393fea556

Comments