MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21a78a3d5d52cb666ec339d42ea32c26d0757f60e31dfbde8e7d41786c2c72a0. 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: 21a78a3d5d52cb666ec339d42ea32c26d0757f60e31dfbde8e7d41786c2c72a0
SHA3-384 hash: 3f1c73bd73362fb7a238718dd86ed2a8ea3a1b66133a45b285d08022c63fe31768eda2a3de84b05981922a6e5d7d5eaa
SHA1 hash: fccbb126c9696c8336572a37ada7f25c04dfcfcf
MD5 hash: 6e639322d1c3ec547e8e2132a26e1619
humanhash: moon-sink-idaho-hamper
File name:RBT Group_Order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:664'064 bytes
First seen:2020-05-19 05:51:17 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 6144:163e53HHeUsLitFIEJD6LpVgfs7doQ40iLwWPwZ6tLKPPMFONgVilhb4HKaBKT:163eJneQIEt6PgydoQsLqWGPPMF1D
Threatray 10'896 similar samples on MalwareBazaar
TLSH 67E45A3A7645A405D03D857260E569D2A2B9AA433E42C78F7FCD53ACAF033CF3B15269
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.bgesoaeg.ml
Sending IP: 64.52.172.112
From: peggy@bgesoaeg.ml
Subject: RE: New Business Co-Operation
Attachment: RBT Group_Order.rar (contains "RBT Group_Order.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Malware.AgentTesla-7660762-0
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Genkryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-19 04:44:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 31 (54.84%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=egtyupk5klfwm3wdhhkc5izme3ihk73a4mo7xxuopvaxq3bmokqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
netwirerc
Create hunting rule
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AgentTesla
+ 10'886 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla agilenet keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-w9nft36dj2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Obfuscated with Agile.Net obfuscator
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

rar 0bb6a51b51331494b85bf98feb3d41486c915889b88e648aeeb1e8701faf623f

AgentTesla

Executable exe 21a78a3d5d52cb666ec339d42ea32c26d0757f60e31dfbde8e7d41786c2c72a0

(this sample)

  
Dropped by
MD5 e3496d5e05a7a51550595e879aa1069e
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 0bb6a51b51331494b85bf98feb3d41486c915889b88e648aeeb1e8701faf623f

Comments