MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51837e07f216a7af44fbabf5a9e0b91dcbc2dfd3c3428badf554049a193938cf. 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: 51837e07f216a7af44fbabf5a9e0b91dcbc2dfd3c3428badf554049a193938cf
SHA3-384 hash: b0191b5c289ca4836e8a77aee4ef6864dc20689b3847872eed0aa1eba11bd0b0f0231c0693e5ec1336c6c5153115a5d3
SHA1 hash: 4a0c8c04d4935a207588c4a126a0e2d8e3a2a801
MD5 hash: de5d4464be06fa32db6a46ddd41880a1
humanhash: five-aspen-ohio-uranus
File name:DHL_Confirmation_CBJ190517000131RMs.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:587'264 bytes
First seen:2020-05-26 09:56:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:jA8ZAMrEFRiySvlHEkUQs/2A5ykHaRNl3KTxBl:jAzMr1lJUQsb5P
Threatray 10'872 similar samples on MalwareBazaar
TLSH D3C48C487640E09ECC2BCB71D9685CF096167C76C63BE24B69073EAC7A7F1D38E111A6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: anchorai.pw
Sending IP: 173.82.243.236
From: DHL <info@anchorai.pw>
Subject: Confirmation CBJ190517000131
Attachment: DHL_Confirmation_CBJ190517000131RMs.arj (contains "DHL_Confirmation_CBJ190517000131RMs.exe")

AgentTesla SMTP exfil server:
smtp.homecares-tw.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WBA.19585.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-26 11:06:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
23 of 31 (74.19%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'862 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-dcptj9s736/
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
Drops file in Drivers directory
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

arj bc99ff99d345cb5e5c34c5db288fcc8ae4f992803e5f1c94d0619679f162a7fa

AgentTesla

Executable exe 51837e07f216a7af44fbabf5a9e0b91dcbc2dfd3c3428badf554049a193938cf

(this sample)

  
Dropped by
MD5 d866b8162503ea20a6e2a019f9ed1964
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 bc99ff99d345cb5e5c34c5db288fcc8ae4f992803e5f1c94d0619679f162a7fa

Comments