MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2890defa015590771a48e957d5a81dc2f2a6a86b784a8764f135cdd72f0d4e7d. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2890defa015590771a48e957d5a81dc2f2a6a86b784a8764f135cdd72f0d4e7d
SHA3-384 hash: adff4d0630cd9018c9d872624a1d0b8e81786d52f9f632cf5113eec953fe18fcfe08ef25520d11067151dd994c35df95
SHA1 hash: 627e32969390cebf42e5d13136cc62c0be8f55b0
MD5 hash: b6fdb347eca8545836f866dcc3c3ec81
humanhash: dakota-foxtrot-fish-south
File name:Cesión de Créditos.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:600'064 bytes
First seen:2020-05-12 09:24:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:hVkeig7IydYr+n1YQ0Xwq5UP41ofnuaeq6rRF9qPZ4u0pjMZJQ/3U:eSneCn1YQ0XlG41EnuVaB4QJk3U
Threatray 10'686 similar samples on MalwareBazaar
TLSH 1DD4D01C776CAC17EAAD17BED09541D8E2FDD6674406E30B588118E90E0BBCEFE162C6
Reporter abuse_ch
Tags:AgentTesla BBVA ESP exe geo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vl20102.dns-privadas.es
Sending IP: 62.138.142.11
From: Confirmlng.bbva@bbva.com
Subject: BBVA-Confirming Cesión de Créditos
Attachment: Cesión de Créditos.gz (contains "Cesión de Créditos.exe")

AgentTesla SMTP exfil server:
smtp.yandex.ru:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-12 07:19:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fcin56qbkwihogsi5fl5lka5ylzknkdlpbfiozhrgxg5olynjz6q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
113da3ad1ad4f6ed501ab344244892e53b6657628794c35c0745223cfb51153c
AgentTesla
2840cc36c04714a605a7df8b64bee3a738fa7bf6caee439e0d4eb0cbb7e7b7eb
AgentTesla
3b12a35d684a3321084f1c2637f2d467dadd272a68d8318de33c1cdc94c7718e
AgentTesla
6a866a73f707d04c9e541853f86b98d55a7fba344d1aeb3eb212bdec2fdd3f91
AgentTesla
6f44c94e9201a9772007bd4f6e643f0a222b9a176beaa4365204f53c77a92939
AgentTesla
85743a1e70b9841576c077c0fe03fc3ae5ecdbc55190bbaeb92290a3fca7f4c4
AgentTesla
975a65aa0395ac8ec58660540e947df075ab6dbd4a6ecf921fef7fd850f02caa
AgentTesla
a4bc79cf89abc4888211b69dd7c9ed48b84d266bfd0f4853679e21e20462f5de
AgentTesla
d004305e1a97e0d5355965b8c236168ac1a5aaba63712424afb448147a4b5063
AgentTesla
e0d1c1f7fd8a8d07882ceeb4d681f9ff2b36912e9b0a8b182b3252599c2ea699
AgentTesla
+ 10'676 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-e61crmw6xa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Modifies service
Suspicious use of SetThreadContext
Maps connected drives based on registry
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.

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

gz 9385ebb307a91583f99d2483bc9b06fd83c390fb8b199bb0be53a4ab0b8518d0

AgentTesla

Executable exe 2890defa015590771a48e957d5a81dc2f2a6a86b784a8764f135cdd72f0d4e7d

(this sample)

  
Dropped by
MD5 5dbd33b00a767f9ad9e4369aa95dffd0
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 9385ebb307a91583f99d2483bc9b06fd83c390fb8b199bb0be53a4ab0b8518d0

Comments