MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf7a6cb03e47b5305b50b5d458beebb72b77143a7d03c2fb696b9e2910002e6d. 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: cf7a6cb03e47b5305b50b5d458beebb72b77143a7d03c2fb696b9e2910002e6d
SHA3-384 hash: fbd206bc285d2a50067d5e5411d419a2afae825d0ec82d6e573717c42e18e75026f8ca4748f706fea2175735451709c9
SHA1 hash: d5459d07c83a924e7b2c07db073652371e46073f
MD5 hash: 3dac7632645b3adfeae5999dcc175748
humanhash: muppet-spaghetti-double-undress
File name:New Quote Request .exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:513'536 bytes
First seen:2020-05-14 06:46:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:fTHPvWVBLpOzGwSiqdJlvj1Zdl9sAGT53dffCTe8lZ:DWBLpOzGMqfj1ZdQFhCe8T
Threatray 10'630 similar samples on MalwareBazaar
TLSH 3AB4DF5036BC0779E1BADBF895A1A050DBB0B61A356DD36E8DD010CF09D5F80CA96F2B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sumibe.com
Sending IP: 38.68.36.196
From: Max Guan Nurhaizah <nurhaizah@sumibe.com>
Reply-To: order@mosaiclayouts.com
Subject: Quote Request
Attachment: New Quote Request .iso (contains "New Quote Request .exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-14 07:37:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
23 of 31 (74.19%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z55gzmb6i62taw2qwxkfrpxlw4vxofb2pub4f63jnopcseaafzwq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2807548dd82445eeac614506066b893c6cd90c8b02c6374dfa491defc817007a
AgentTesla
45bea748d6714e636270097d0dca1ec13a2442359b3b9bc09204cd73dfb4dae0
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6bece1991883897d6c949fa8eeac82f1bc6b7fbfaf581f5b5be776c4230bd007
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6e074d94e7f7050aa12711501899601b3b9e5a42c003bd20067eb3c3939332ce
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875391a0ae1d2f10f9c04e39aaed8c558acf0fbad7b220d18489d25aac97ff85
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89bd696df7073c78ebc27a60c79728b782ca27d1d82abc8b0d5aafea1d1d61d3
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d3e61ff0f9f172da1ba0f3e59ccdb7ea480a3e9ea6e141d134df6f421ff44cc8
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d9a20b5a29f7c7a81854af1fb1dfe50dc63ec6026d07d271b1d3be30b061ca0f
AgentTesla
f397b3ef0807ca0679420810983797c017fb980df61b23ffd002299a2b502bd1
AgentTesla
f3b33a885af940210f10df7e1c96dc388161961dcb52b6d84c3b7458d20ce116
AgentTesla
+ 10'620 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/201109-5pr3gm7lps/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
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

iso 40f434ca51ea9507be61a5c3b902062b3f54e01bbe62445b7302929ff2939493

AgentTesla

Executable exe cf7a6cb03e47b5305b50b5d458beebb72b77143a7d03c2fb696b9e2910002e6d

(this sample)

  
Dropped by
MD5 8d0cb1ae7a7e14fab20325a8e31ad858
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 40f434ca51ea9507be61a5c3b902062b3f54e01bbe62445b7302929ff2939493

Comments