MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 023a43d370c2ecd948a9de58a536be43e2ebce039fead7754987fd135f35f34b. 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: 023a43d370c2ecd948a9de58a536be43e2ebce039fead7754987fd135f35f34b
SHA3-384 hash: 9d499001efaac25a97484826b2c8b76b7e6a03aeb7cd0f3325df24a9dd4891fcbb60cae25143411c17b842ae79226a79
SHA1 hash: e23445ded32dc7e4541996dabc56452c28345b17
MD5 hash: fee773cb8321dbc3dcccf56f5023708f
humanhash: dakota-arkansas-beer-west
File name:PO No AEKITAB200417F.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:525'312 bytes
First seen:2020-06-04 06:27:46 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 12288:1sfLEz8I8M+1L4N0bp9UMupvnnI+BVsx5lAWvddD:KYz8ydN8uMuJI+IrlAWP
Threatray 11'305 similar samples on MalwareBazaar
TLSH B9B46B817118D853D92721F1D81EA5F013B8AE9AE569E38B2D937FD935F37920063E0B
Reporter abuse_ch
Tags:AgentTesla exe HostGator


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gateway22.websitewelcome.com
Sending IP: 192.185.46.187
From: info@modevnigeria.com
Subject: AW: Urgent inquiry – UT / 01. 06, 20 (SZS)
Attachment: PO No AEKITAB200417F.rar (contains "PO No AEKITAB200417F.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
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:
2020-06-04 04:42:24 UTC
AV detection:
30 of 48 (62.50%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ai5ehu3qylwnssfj3zmkknv6iproxtqdt7vno5kjq76rgxzv6nfq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0b2ade3b609fe52eb27078440fe30c4983138af0a04bda84e92df8830338c9b1
AgentTesla
30ba25549a02c9906ffeb63f7a26619131169cb79b193043b821d13c756ef814
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764faf8d3be8afed56e8c6f98c43de9404f5f835df197dc295d30b134565f82e
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90a3f9c16212982044dbc219b787e1ac251f48dd011a202a8c125dc049c3036a
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abe10a0978abb39e16eba5643ea751bcc4f1361d3daefa62a65daa01eae7ec3d
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c6043128c116aedacc1be9abbcb74898065374269665a5387960ce47e805c2c0
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c90e8c00718440709f2a708d2144adb877b2908b024e7a94bc20b4f9eb0ee92c
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ca2e54b05185ed7f76ba5ccf9f24a2e607a6322fdbd1acbc37902e4dac015697
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f7dae6aa22f674d7053f544bf8c3649ccac4a80c439a65ddc50ee12fda9e02c1
AgentTesla
+ 11'295 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-vzryskd6hx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
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

rar f5a04663a76474dad101fcdce603db7d73eb92d6496efb066e73e810892f4530

AgentTesla

Executable exe 023a43d370c2ecd948a9de58a536be43e2ebce039fead7754987fd135f35f34b

(this sample)

  
Dropped by
MD5 f2cbb79950350e00894bd4a3d2d21d04
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 f5a04663a76474dad101fcdce603db7d73eb92d6496efb066e73e810892f4530

Comments