MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffa4e1d372fc03bb22950e80f2f7e5369824cce75ee717feff793ddf5aed34dd. 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: ffa4e1d372fc03bb22950e80f2f7e5369824cce75ee717feff793ddf5aed34dd
SHA3-384 hash: e0c37a7dfae293f06b5e2235b1a5261845daae384488a2237cee776650d7e597df07f3d89ec64ac98a5ec73f7adeddf8
SHA1 hash: 58a759f3fcc8e01bc626a898a7ab05ff33413f12
MD5 hash: 856c8522c4c6f83dfa9e8cfd7edabd1a
humanhash: hotel-violet-sink-edward
File name:Proforma Invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:599'040 bytes
First seen:2020-05-08 18:27:01 UTC
Last seen:2020-05-08 20:01:37 UTC
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:Z7LlZocGzTZ0pEAYROdHQkz1BDXXoh1NUUhxIhaT3Rd3d+wBXDeMM1DD:Z7B2cGzTZ0pfFQkhB+VIE
Threatray 10'569 similar samples on MalwareBazaar
TLSH F1D48C9C3250BADFC817CD76C9642C20AA60746B6B0BE243A15715ED9A0DFDBCF056E3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: stbiologicals.com
Sending IP: 103.207.38.237
From: Prakash Kanjani <tvanderheiden@stbiologicals.com>
Subject: Proof of payment copy_Invoice no. 0872713IN
Attachment: Proforma Invoice.zip (contains "Proforma Invoice.exe")

AgentTesla SMTP exfil server:
mail.rajapindah.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.hc.11624.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-05-09 00:57:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
28 of 31 (90.32%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=76sodu3s7qb3wiuvb2apf57fg2mcjthhl3trp7x7pe656wxngtoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a3760f3c734ba4405374e8bc717b5472198fd3382aaaf1a89e33c8ca7b5b3d3f
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aea995774e042d4c1aba6b954eb0e771548f7edb16c4d46c8cae3dae99ce7bc1
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c941762865ec73812c88477b07a173118890f17a3ea165ae81c8b21e5efecf59
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e2a0f5b80f047e2610b7c42b3af3d2da4e049c63c9e35c3d9c317aecbee6f9e5
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f06f3723235acd9307e495542a10790ac22b8b894954484b02746409802fde10
AgentTesla
+ 10'559 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-c3cnbeq5w6/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
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
Disables Task Manager via registry modification
Drops file in Drivers directory
AgentTesla Payload
rezer0
ServiceHost packer
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.

e65ecb6db273e1f44d947f6ba6ee6b4b

AgentTesla

Executable exe ffa4e1d372fc03bb22950e80f2f7e5369824cce75ee717feff793ddf5aed34dd

(this sample)

  
Dropped by
MD5 e65ecb6db273e1f44d947f6ba6ee6b4b
  
Delivery method
Distributed via e-mail attachment

Comments