MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 255080ea7797f53ee3607d7b4126b1afb27934a62dec93a8e9e68c39c5c02771. 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: 255080ea7797f53ee3607d7b4126b1afb27934a62dec93a8e9e68c39c5c02771
SHA3-384 hash: d0909e05f548d2c770c4108a4e2bbcd5ac04d75595a4b1e5a6892a93bf2da5c7d5572b35a3356fca1762c78c53169d1b
SHA1 hash: 068a6ad5cf88210cd981b241b5df080c8c0240c8
MD5 hash: 649f7a0ee8de5d495fce5516cc99719d
humanhash: don-yankee-oklahoma-utah
File name:UPS_AWBTracking89765.PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:515'072 bytes
First seen:2020-05-15 06:34:32 UTC
Last seen:Never
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:rtKr8MROC/yDW7a/5FeAm5ccck09/wRtsHlg9JpuRfT:MRh/y6OuAf/zFm36T
Threatray 10'554 similar samples on MalwareBazaar
TLSH 7FB4DFBE36FC4E37C56C06F5582015AA43F8A0A63C4AF7CD1ED134EB06D5B92074A6A7
Reporter abuse_ch
Tags:AgentTesla exe UPS


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: srv1.demspor.com
Sending IP: 31.169.94.221
From: UPS Quantum View <pkginfo@ups.com>
Subject: UPS Ship Notification, Tracking Number 1Z2840A70497812974
Attachment: UPS_AWBTracking89765.PDF.gz (contains "UPS_AWBTracking89765.PDF.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-15 06:35:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
24 of 31 (77.42%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eviib2txs72t5y3apv5ucjvrv6zhsnfgfxwjhkhj42gdtroae5yq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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157a44ec9e957fb3b5732e4e3daee44c36253f01b40c03083b8ef77f53b4770e
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920b0e647dfa5015702dcd1b7c2de5832711fc4930d780e6ef70b9fb59ec4ef2
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c0c639e1f923a3dd8e88f2ee1b6a397db9f62c5688f6e04181f43f8b950e8914
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deb93179e8d2099caf3821f0939076e995f8a42b991e2d5add756ea6bd7cafd0
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e1432f2dde886e737a5bf123c430c167c86285406b779fd67eaf4bf9c8fa7022
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ea9ceeebdfc73d27d4838a11991fb44c7818ef0b2c9b09c37dd4dedb1657a898
AgentTesla
+ 10'544 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-q9hz6xsqxn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
rezer0
AgentTesla
CoreEntity .NET Packer
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

gz 64c9d443d7d1d435b55ea5c3b89a71a69bbfe8fcee81c439c95632c0b3f29a96

AgentTesla

Executable exe 255080ea7797f53ee3607d7b4126b1afb27934a62dec93a8e9e68c39c5c02771

(this sample)

  
Dropped by
MD5 e5b88fb64051a3ceba4f5868889866ac
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 64c9d443d7d1d435b55ea5c3b89a71a69bbfe8fcee81c439c95632c0b3f29a96

Comments