MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc76738502b9ea3a504a2ec2b5e5b3a5931f3fb45a83256402468fb01f310e8a. 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: fc76738502b9ea3a504a2ec2b5e5b3a5931f3fb45a83256402468fb01f310e8a
SHA3-384 hash: 20df5b18dfd0e2eb02f65032d9e119341754060c3f7ca7be5ab257735815e21ff6e1b5368cb4d6d901a20e5a435aa89d
SHA1 hash: 6f2c4429b44e01e244d6dac780f92aa3f1c49d57
MD5 hash: cde9c3e9c51d3cf7d1b4e2eedba4354a
humanhash: blossom-pizza-november-speaker
File name:account details.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:525'312 bytes
First seen:2020-05-14 07:39:41 UTC
Last seen:2020-05-14 08:40:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:TDCiiv/GZ81z8m7LylOxNwu+kNcSeo6rOaeW9ol/EkSl9:6AZ8RQuJNTeoxaeqolEk
Threatray 10'584 similar samples on MalwareBazaar
TLSH EDB4CF0437BC0779E1BA9BF856A19060CBB1B62A35ADD72D8DD160CF09D1F80C996E37
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: santokuship.co.jp
Sending IP: 103.99.2.4
From: ship-division@santokuship.co.jp
Subject: BANK DETAIL CONFIRMATION//REMITTANCE SCHEDULE 15/05/2020
Attachment: account details.zip (contains "account details.exe")

AgentTesla SMTP exfil server:
cpcl27.hostingcare.net:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.GenKryptik.EKOX.25417.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-14 08:03:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7r3hhbicxhvduuckf3bllzntuwjr6p5ulkbskzaci2h3ahzrb2fa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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b5a5496a087487b0d0d6a7e899a6b2e6a337ae2afd09c2417b49457d31f44096
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b9f1a9cdb6f068f9222b8cd906ed162d74be5662bb9dbad5540d8cc51d1a4e6a
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d9a20b5a29f7c7a81854af1fb1dfe50dc63ec6026d07d271b1d3be30b061ca0f
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f397b3ef0807ca0679420810983797c017fb980df61b23ffd002299a2b502bd1
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f3b33a885af940210f10df7e1c96dc388161961dcb52b6d84c3b7458d20ce116
AgentTesla
+ 10'574 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-vvlcqvn5zn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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

zip 146e7e420a52a991a77c5ae7ba920a20e1a22df3547f40b5de8d19e707bc167b

AgentTesla

Executable exe fc76738502b9ea3a504a2ec2b5e5b3a5931f3fb45a83256402468fb01f310e8a

(this sample)

  
Dropped by
MD5 d80309d81bce86477b11048292da8d8f
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 146e7e420a52a991a77c5ae7ba920a20e1a22df3547f40b5de8d19e707bc167b

Comments