MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 642ce48af8f6fb3c7a74225655ef59a92e7cd4fcb98dc4af02359fb3490a9c55. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 642ce48af8f6fb3c7a74225655ef59a92e7cd4fcb98dc4af02359fb3490a9c55
SHA3-384 hash: 526af1ee422070b627c0801815ca956f087ef2ab516a5e39e0462fd6d5bee92d93f954c440a9b421d99e954fce260ce2
SHA1 hash: 428234e758c1e4eca1256bf29a48f7437097858d
MD5 hash: c245f9c544e2bb7223309c37829645ea
humanhash: violet-december-charlie-monkey
File name:CT_8021947253523.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:426'496 bytes
First seen:2020-05-25 12:47:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:irB4EDyCvqzjsx3d/7Pm4wgHv2Q9ca7qKPTuK+72peO:i+ovmQHeQWhKoiwO
Threatray 10'646 similar samples on MalwareBazaar
TLSH 3594123DA2685B2BC6EE14FDF0999400BBF8A213E552F7CFCE21B4E556533E05522623
Reporter abuse_ch
Tags:AgentTesla exe HostGator


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gateway22.websitewelcome.com
Sending IP: 192.185.47.144
From: Gonzalo Ceballos <ventas@dabcon.pe>
Subject: SOLICITUD DE COTIZACIÓN
Attachment: CT_8021947253523.cab (contains "CT_8021947253523.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
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:
2020-05-25 13:36:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 31 (77.42%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
348ab69ec7c99d1803d0b8b29f5959fff8dd6daed1d992f7da2d796495ac0a67
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38a5466ed6bf2ea0c3e206b7ce9520da9c0104fbe0ddc33012ef73087e0c754c
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89c3a9a4a75c80b3552df2a5bda935056bc3a55a6f76b264645593cb966e2b74
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9557e2f9a634bee5cb80232f864f60a346a387617d3b3be3fddd3c078fe0ce67
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b3088a313a00c6774cb853379f427ffaab01a528a4561f814e2c7af24e5bfba2
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d807dcfd04f5d5eac71522a29a6911c504039edb6277ba9b35953ca9f5fcef8f
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e836f76c716c021e89d19ee4e4456e04b04b1041fe04fdaa6ac7523d35ef3b60
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f57973fe9b7144fd299f70cc04bcde1e442f6816de323361f1b09cb63c4e41b4
AgentTesla
+ 10'636 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/201109-4tgqgalfe6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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

cab 2ea12008a9425dbdee8c2d7808c6a57598c9c7a2f3814cd7f255f5c995b5afcf

AgentTesla

Executable exe 642ce48af8f6fb3c7a74225655ef59a92e7cd4fcb98dc4af02359fb3490a9c55

(this sample)

  
Dropped by
MD5 96e392e49054c4357a92a6e1fb54064a
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 2ea12008a9425dbdee8c2d7808c6a57598c9c7a2f3814cd7f255f5c995b5afcf

Comments