MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 caa8f100904692ad8bccd84909085b08031777dd6c14dc0427b98967f41163bb. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: caa8f100904692ad8bccd84909085b08031777dd6c14dc0427b98967f41163bb
SHA3-384 hash: ce5cf694d338aef7a0c6e83acc537c6910c1395d9099f3414d5dbc06b110f0cd79f29fbd4d98f9027a0dca97dac57923
SHA1 hash: 96cffad028ed8db73cb85d16c21fb3f8020d3596
MD5 hash: b221b3970618b3e155148e17812f496e
humanhash: lion-mars-california-fourteen
File name:MBL 399430022.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:426'496 bytes
First seen:2020-06-17 05:55:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:x05uLTWLMiCFVhT6PTkZCVNzPAWlRNyc1:x05uHvDVt6wZsPAWlRz
Threatray 10'721 similar samples on MalwareBazaar
TLSH 0394020B799CD725C2385B39D4E7011413B9AEA22923E71B7ECC335E2842BE5584779F
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gmail.com
Sending IP: 103.145.253.10
From: "Hoàng Long" <hoanglong.dkhanoisb@gmail.com>
Subject: SEA, ETD:JUNE 12,2020
Attachment: MBL 399430022.zip (contains "MBL 399430022.exe")

AgentTesla SMTP exfil server:
mail.tolipgoldenplaza.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/19092/
Detection(s):
SecuriteInfo.com.BehavesLike.Generic.fc.30295.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-17 05:57:08 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zkupcaeqi2jk3c6m3beqscc3babro565nqknybbhxgewp5armo5q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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87b6456b3368ef7dc9b78b73855341c550025285e26c05af3ecd17815737de34
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8ad15f68fcbdc182e9a092c8fe391a25b89dfa4fd30840ff8c0b644d66e3053e
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c4f0b3610d084b670fbcd8d5405153b208907ac348a190df4cfa41b1dc4f029c
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e08fedcdcfc38684de2868ee177397876a60e28f6cbaf54f6eeb31c5280b0901
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f34f4e3d8e9c1ec1d066d75d07f3d93c70931d6a54d736dc12f83b8277db2557
AgentTesla
+ 10'711 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200624-wpzvz3gcba/
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
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
Drops file in Drivers directory
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

zip 810978e4d69004e26d47e31f85f61bc8421f441b328d8afac9269a62e845d30c

AgentTesla

Executable exe caa8f100904692ad8bccd84909085b08031777dd6c14dc0427b98967f41163bb

(this sample)

  
Dropped by
MD5 d6d5d04265e42f203e62c2b3b5665d31
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 810978e4d69004e26d47e31f85f61bc8421f441b328d8afac9269a62e845d30c
Cape
Cape
https://www.capesandbox.com/analysis/19092/

Comments