MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fb90df91c05a8ded30de9ef0a21bb41e2c4f1ee3c9ef814877feb500cf8cac6. 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: 6fb90df91c05a8ded30de9ef0a21bb41e2c4f1ee3c9ef814877feb500cf8cac6
SHA3-384 hash: 67817f25525c5495587a2bc57b847e4da6a074abe50ce59da84e8d2f8a1d711425089f38f016bd245b71acd65e33c1c4
SHA1 hash: 8d4f5fe04c16574d22a6a17d3f2d751d817293dd
MD5 hash: 84f834b868b0e17a6d1ce5b7ee4e04be
humanhash: fourteen-arkansas-lemon-robin
File name:00000056431.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:473'088 bytes
First seen:2020-05-12 16:11:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:TbMYIcEUaHTclXOrKFjXQb6kBoRDVUFzGNVo1:X7IcEU+clCujXQb6NRJxj4
Threatray 10'736 similar samples on MalwareBazaar
TLSH 48A4E157768CFE07C29E40FE804061426B70827279C3F3C66DE396DE26E57C29686E5B
Reporter abuse_ch
Tags:AgentTesla ESP exe geo Santander


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: virt2226.unelink.net
Sending IP: 31.200.241.40
From: Factoring y Confirming - Grupo Santander <fycout@gruposantander.com>
Subject: Confirming - Aviso de pago
Attachment: 00000056431.gz (contains "00000056431.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.67103.31712.18443.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-13 03:14:00 UTC
AV detection:
23 of 31 (74.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=n64q36i4awun5uyn5hxquin3ihrmj4pohsppqfehp7vvadhyzlda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1eee887b16c1d789c1869219de2609fbc29ef3ee0c0625f2907c71e9ba701daf
AgentTesla
21dba41b37835f29fa4166786b44915d69109229a0fd19ee46d14cb2afa7c35b
AgentTesla
227c14f96fe815771903d9c8050d094efc19423e072f06b75a40a5305fb04476
AgentTesla
866c0ed515a8b489e43ec168777e102573e313547b9c93f32d93203473502ae1
AgentTesla
af80a0ec35e2521f9bcb52dadbf60329d28aafa5f311c612721da30329fd57eb
AgentTesla
b0fc5ca9a05de7084f80988655e413f489556a99e07d5009aee4fb476ce243de
AgentTesla
c182a5ba64ded3e4722169971689a19c5bd5e573fbacaa05d68ce3f164b13a6c
AgentTesla
ca6d1749f9645475aa7ab0ca268e31ba00817a8c70467c4d6d88bb2ca54d596d
AgentTesla
dff01b9f8946ed3792fe4e32ae3f95834c892f16ca219dc99d78fd15064f82a2
AgentTesla
e4392c3867a7b38a96f352f3249358e0144717bde4adf6473e5f994904a98bb3
AgentTesla
+ 10'726 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-18pxe1njlj/
Behaviour
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
AgentTesla Payload
rezer0
AgentTesla
CoreEntity .NET Packer
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 e5bcb7c01d5c17464ad2b6877cef3ae073fd79576b53e37fd2da2dcfbefbfd8c

AgentTesla

Executable exe 6fb90df91c05a8ded30de9ef0a21bb41e2c4f1ee3c9ef814877feb500cf8cac6

(this sample)

  
Dropped by
MD5 26d96be9c70e72d5a0d0bf114ec38c89
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e5bcb7c01d5c17464ad2b6877cef3ae073fd79576b53e37fd2da2dcfbefbfd8c

Comments