MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cffb45e8c04fdc4018edff27e0156d6e30eb55c8bbc18e75aab7417a80ae8aaf. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cffb45e8c04fdc4018edff27e0156d6e30eb55c8bbc18e75aab7417a80ae8aaf
SHA3-384 hash: b70b6f84b79f70df3ed80dfb484c5d271a3ef5c70b473edbd8e9aedd367a5de8a81b3e69705144ecaae0c3908aea3586
SHA1 hash: ad6186f1b0e27c2b18184d82bb57ce696b0a1cf1
MD5 hash: 93122163f42ebb1143b9d16cb3b89fc5
humanhash: mike-tennessee-sink-crazy
File name:SCAN_06-07-2020_1051_0001.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:510'976 bytes
First seen:2020-07-06 09:02:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:4uSPn3Vkx3tH+010YmfAqTyOeXk894QF/:49P3ekv/T2X19ZF
Threatray 10'775 similar samples on MalwareBazaar
TLSH E3B4F1770286BEDEE77D1E74C58423804EF56C2BA770D948BDC830C912B5750AEB8A72
Reporter abuse_ch
Tags:AgentTesla bat


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: www4.webmail.pair.com
Sending IP: 66.39.3.58
From: Alshima Aluminium <request@webmail.editage.com>
Subject: Request For Quotations - SCAN-06-07-2020-1051-0001
Attachment: SCAN_06-07-2020_1051_0001.rar (contains "SCAN_06-07-2020_1051_0001.bat")

AgentTesla SMTP exfil server:
mail.gimpex-imerys.com:587

AgentTesla SMTP exfil email address:
purchase@gimpex-imerys.com

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/21407/
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cffb45e8c04fdc4018edff27e0156d6e30eb55c8bbc18e75aab7417a80ae8aaf/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-06 05:51:09 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z75ul2gaj7oeaghn74t6aflnnyyowvoixpay45nkw5axvaforkxq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'765 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware persistence keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200706-rnq4spl9ea/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Modifies service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP 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

AgentTesla

rar b3b01abe557c36bf27dfd04c532107634b048355eef06b04d0b85395d1847aed

AgentTesla

Executable exe cffb45e8c04fdc4018edff27e0156d6e30eb55c8bbc18e75aab7417a80ae8aaf

(this sample)

  
Dropped by
MD5 10f7d7ec0615601b2bb0fd09325ebc3a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/21407/
  
Dropped by
SHA256 b3b01abe557c36bf27dfd04c532107634b048355eef06b04d0b85395d1847aed

Comments