MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3f256429b38edf61af7b34a0a0b888e9fdccafa03b339a08eef7084bcf50ca8. 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: d3f256429b38edf61af7b34a0a0b888e9fdccafa03b339a08eef7084bcf50ca8
SHA3-384 hash: 54158958d50f9b102184ff9bd4defb45dd54e28c469d5644962f30f111ccfc93948e4e513fd95f12200a3b176e4ed83e
SHA1 hash: 66c989d6f40f95165ecd4a942be0561350e66685
MD5 hash: db6b55d3745f4dc056a574beaf2bafeb
humanhash: mississippi-beer-harry-leopard
File name:RFQ-INQUIRY.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:458'752 bytes
First seen:2020-06-30 12:46:23 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:Q1NJNmPveM/7iZC9rJ/ZqKhmx0zC6o453n:Q1NJNmOMzB9rpkK8x0Z
Threatray 10'658 similar samples on MalwareBazaar
TLSH 3DA401317A95B79ED878D3B084B234210FFD6D0B6763D2995D8471C91BB7BA88232B13
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: visahq.com
Sending IP: 193.56.28.145
From: Russell K. Richards<info@visahq.com>
Subject: URGENT!!! RFQ-INQUIRY
Attachment: RFQ-INQUIRY.rar (contains "RFQ-INQUIRY.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/17166/
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d3f256429b38edf61af7b34a0a0b888e9fdccafa03b339a08eef7084bcf50ca8/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-30 08:55:14 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2pzfmqu3hdw7mgxxwnfauc4ir2p5zsx2aozttieo55yijphvbsua._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
052148f226d2b1e51ca7318eacda6906765138d2e28b290558a2b7003e9f6634
AgentTesla
09d36fe7fb556c5f30897231a8b0cab021d9fd04896eefc838dbe4dee24eb772
AgentTesla
127d1bc07171d0d03ae4ee209692c3c226d0160e23fc08c805d01929a8997874
AgentTesla
2a87cb832286cd46299d51045054aecf69b3a7898a7bef464531f9f9d370e9c6
AgentTesla
35b0f0ea8e64564dacb06fb7c9c4816cbe2962e27c72e83b6cca54c92582a620
AgentTesla
736752175fe91906f41d00670318a55afe8c2c85e30ced11df477f5c61fddac8
AgentTesla
885c0db8dce61efe0b93c41f8eaf4e42f0180ba4b9045d8ca6978298d81bebec
AgentTesla
a440dca4a1559d04426c05899989e611bd77d55b3fe00713b70e1b4968c8f61b
AgentTesla
bcf951a2c7bc31a37486577ae1fc83f97bc1daf987d5a35e9302eb31f5a5ebf0
AgentTesla
f98bb09a67afe83ca7b041488f460d2a8b96224d77f21117d5b0076e04706dd4
AgentTesla
+ 10'648 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla persistence
Link:
https://tria.ge/reports/200630-1bpa5gskq2/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Modifies service
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email 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 f6be01714769896292825cd403ea0abf6eb2fab139a807ab41819ee30b3caa8b

AgentTesla

Executable exe d3f256429b38edf61af7b34a0a0b888e9fdccafa03b339a08eef7084bcf50ca8

(this sample)

  
Dropped by
MD5 2fdcac574bb4a7bc6eed07bfb6a08060
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/17166/
  
Dropped by
SHA256 f6be01714769896292825cd403ea0abf6eb2fab139a807ab41819ee30b3caa8b

Comments