MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f37fbb193f6ba57d318e7f5333fa7870282de9b3322e024c65d89977d2ec594c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f37fbb193f6ba57d318e7f5333fa7870282de9b3322e024c65d89977d2ec594c
SHA3-384 hash: 5de3da42157bd111e8b44eddbbda0645073ae7e21b1e7b42bd1f38d4913d8c1adeab8a0578a1f7030ccbbe0c7defdb1e
SHA1 hash: d2592e11aff5472be101384583ecad21b1384151
MD5 hash: 3e5c33f7b75d087ef1e5ff8fe7585f1a
humanhash: ohio-gee-august-leopard
File name:PO-11059021022021.......pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:737'792 bytes
First seen:2020-05-04 17:54:03 UTC
Last seen:2020-05-04 18:55:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:2TbMVQDDy3dmgo2HcUA0YX9E4d8bvbrGMlLqVWHu1gPUa6317OZ7eXnpINdfgoR4:d2DDy3df4uYX9Q3fOUPU
Threatray 10'673 similar samples on MalwareBazaar
TLSH 99F408EC725072EFC857D462DEA81C78EA6074BB931F4213A02715EDAA4C897CF255F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: iaea.org
Sending IP: 103.99.1.143
From: Hailey<sales.publications@iaea.org>
Subject: Purchase Order (Ref: PO-11059021022021) - Project: Redhill L14 
Attachment: PO-11059021022021.......pdf.zip (contains "PO-11059021022021.......pdf.exe")

AgentTesla SMTP exfil server:
mail.dianaglobalmandiri.com:25

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Hosts.47538.24193.7193.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-04 01:49:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 31 (80.65%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6n73wgj7nosx2mmop5jth6tyoauc32ntgixaetdf3cmxpuxmlfga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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c8194793ce969878e064f41b3eb2c0bc89f5c84d3972e516c70c4909cf6315df
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cffb6736521771821af04e2caaaf125e1d475bfe7166fcb39ff7db14c41931a7
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e6eb2ae2e4e6d4ee40266c80f99169f284c67a901c7fff826d4156663910180d
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f62f3cde15b3f736af8a87f8999149eb5e8ada35513883b56dc120db3781b20f
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AgentTesla
+ 10'663 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-fd321lkj2e/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
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
Disables Task Manager via registry modification
Drops file in Drivers directory
AgentTesla Payload
rezer0
ServiceHost packer
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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

zip 5f2d4ef9bf4aac8ea133268815414aca14083f0bec52de35d151f2eefbb309c2

AgentTesla

Executable exe f37fbb193f6ba57d318e7f5333fa7870282de9b3322e024c65d89977d2ec594c

(this sample)

  
Dropped by
MD5 d24d04ba28c1cf07ae2d562f5929373a
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 5f2d4ef9bf4aac8ea133268815414aca14083f0bec52de35d151f2eefbb309c2

Comments