MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40cf3214cd412e73955af3a64b3e61691ec44f3ee6bd8031ea37e69dce07b393. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40cf3214cd412e73955af3a64b3e61691ec44f3ee6bd8031ea37e69dce07b393
SHA3-384 hash: 75a3608f5bf45197cd398b0b4114bda3c524222fa7f6151351f39c6a84f9a18e57b942b26c65daf11b5ac7a4cbff2942
SHA1 hash: 589c257ca5f0be53af4160bbd67c6a4dd01c8ae6
MD5 hash: cfe01269c178fea11b28130dd457c43e
humanhash: leopard-uniform-failed-freddie
File name:Invoice 4907856.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:612'864 bytes
First seen:2020-07-07 08:26:08 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:YUxTUvLwXmN81oduT+Gzl9GdhDpgBQe6bX2YzzAv095mUSlv6O5n+vToVe:/BUEXmNTk+YvGoQeM01dvW0Ve
Threatray 11'251 similar samples on MalwareBazaar
TLSH B5D4CF627541CC01C2DA1B76C8DF49140B7DBD0675A2DF29B99B32AD6E323E29C0A5CF
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.fundscript.xyz
Sending IP: 45.95.169.179
From: info@fundscript.xyz
Reply-To: info@fundscript.xyz
Subject: Conclusion of Goods
Attachment: pictures and Invoice.zip (contains "Invoice 4907856.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22049/
Detection(s):
SecuriteInfo.com.Variant.Ursu.938965.6092.27160.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Unauthorized injection to a system process
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/40cf3214cd412e73955af3a64b3e61691ec44f3ee6bd8031ea37e69dce07b393/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 08:28:08 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=idhtefgniexhhfk26otewptbnepmitz6426yampkg7tj3tqhwojq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 11'241 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/200707-g6xj8a8xve/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
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

Matiex

zip da6761f510410bffddc3d88f53c4a63f2be0c56eee45e5c8f2d82081d84d14d3

AgentTesla

Executable exe 40cf3214cd412e73955af3a64b3e61691ec44f3ee6bd8031ea37e69dce07b393

(this sample)

  
Dropped by
MD5 67f49e016549b9c96cb1c66da62b38d1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22049/
  
Dropped by
SHA256 da6761f510410bffddc3d88f53c4a63f2be0c56eee45e5c8f2d82081d84d14d3

Comments