MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 263573ece93d13d69ed99ea6be5715ca5b15e1877ed09a274ca9cf55f4d16a22. 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: 263573ece93d13d69ed99ea6be5715ca5b15e1877ed09a274ca9cf55f4d16a22
SHA3-384 hash: 8f6496e58bdfe7db0a0867e0b8843028c5e734587c0527e7c7a0d83aef71d7346d8cd2e5c824eba25ac52563e2bb2ac3
SHA1 hash: c8d8e38caab1d380599d99e747dfe8f31112c7e8
MD5 hash: 34a2a16af9fcebce83eaea48ae2381a1
humanhash: nitrogen-floor-eight-batman
File name:vtRjIGDr44SeCsj.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:457'728 bytes
First seen:2020-08-18 12:28:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:QFpb15GFn49uG92GBQ8H0JPVQuu9+qwVq8q:ub15GFn4hkuQ8aP9qI
Threatray 10'668 similar samples on MalwareBazaar
TLSH F4A4F118312CB29FF46F8DB9D9985D3453702237234BF2674C4369E9A92D6A2CF151F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: webmail.cyber.net.pk
Sending IP: 203.101.175.37
From: icplpk@cyber.net.pk
Subject: RFQ: Order - Mediform S.A
Attachment: RFQ9292223.pdf.gz.rar (contains "vtRjIGDr44SeCsj.exe")

AgentTesla SMTP exfil server:
smtp.fretian-muc.de:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
64
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/47820/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/263573ece93d13d69ed99ea6be5715ca5b15e1877ed09a274ca9cf55f4d16a22/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 12:30:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ey2xh3hjhuj5nhwzt2tl4vyvzjnrlymhp3ijuj2mvhhvl5grnira._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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ab79b2c6cca235d1b6a2bfdc550a15497c03d193d622feaa2e48c3006ef7c0b8
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af27bd7180ad756460e32f2ae56db7cbdc8a79e73a36b261a96f803e5b051fd5
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AgentTesla
+ 10'658 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200818-k33cyrzhje/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/263573ece93d13d69ed99ea6be5715ca5b15e1877ed09a274ca9cf55f4d16a22

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 694f4283317011f1147540d5c023702c9ce80c00074b840b147a0e802307ef43

AgentTesla

Executable exe 263573ece93d13d69ed99ea6be5715ca5b15e1877ed09a274ca9cf55f4d16a22

(this sample)

  
Dropped by
MD5 05f65dc36311883a6aeb12529a613903
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/47820/
  
Dropped by
SHA256 694f4283317011f1147540d5c023702c9ce80c00074b840b147a0e802307ef43

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