MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfbfdc4aa175409b4354617bccfd96fe232ce53601cbe98738f819fcde8837f6. 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: bfbfdc4aa175409b4354617bccfd96fe232ce53601cbe98738f819fcde8837f6
SHA3-384 hash: 45e3dcc6a168652b7663f735c666c2c227ed89625ca5102f1c25ba7410a7e69268a3be6e455589a381a5c449cb765eb1
SHA1 hash: ab3fd6142fb738bdfb2cc08c58e53cc1a81b63f9
MD5 hash: adeb8e2b5a84a34ada0add7f1de2b204
humanhash: network-glucose-leopard-potato
File name:Returned Message Body.scr
Download: download sample
Signature AgentTesla
Create hunting rule
File size:740'864 bytes
First seen:2020-05-12 09:17:27 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:CViuXz90g4afKrHj0enPz7fGDWRrIVMbyvZgUETkXOxrPx:4x0g4j8enX7RkVJvZgUEIexrPx
Threatray 10'669 similar samples on MalwareBazaar
TLSH ECF4D05CBB9CAC17F97E13BAD45581C492FDDA9A8406F30FA48238E90D6739358532CB
Reporter abuse_ch
Tags:AgentTesla scr


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.oxygenplant.net
Sending IP: 162.144.38.36
From: Cheil INC <enquiry@oxy99.in>
Reply-To: Cheil INC <enquiry@oxy99.in>
Subject: Enquiry
Attachment: Returned Message Body.img (contains "Returned Message Body.scr")

AgentTesla SMTP exfil server:
mail.northwestpowdercoating.co.uk:587

AgentTesla SMTP exfil email address:
info@northwestpowdercoating.co.uk

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-12 04:04:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
27 of 31 (87.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x675ysvbovajwq2umf54z7mw7yrszzjwahf6tbzy7am7zxuig73a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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113da3ad1ad4f6ed501ab344244892e53b6657628794c35c0745223cfb51153c
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186ced16f9513049939b723225f7d4c61180a9dbbcb31c739b630a45c465b565
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2840cc36c04714a605a7df8b64bee3a738fa7bf6caee439e0d4eb0cbb7e7b7eb
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3b12a35d684a3321084f1c2637f2d467dadd272a68d8318de33c1cdc94c7718e
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6c5ba6671a3dbe43968be63321c9c7c0ddf8cf295e4fe4ac114a85517d7b1d9b
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85743a1e70b9841576c077c0fe03fc3ae5ecdbc55190bbaeb92290a3fca7f4c4
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a74dc03e9148e12ba784bf4c26337ceb1d76778a4e9ba036e1fd5d78f42f8750
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cc6d8395afcbb1e64351159df81962c174db1b532855a1d3e6e6529b00a0f0cf
AgentTesla
de55a1b3e711c74c00998d9c4cb0f5da9672b109e2f362ac55f4a9f4033ffbf7
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e0d1c1f7fd8a8d07882ceeb4d681f9ff2b36912e9b0a8b182b3252599c2ea699
AgentTesla
+ 10'659 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-l13ghv9d9e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
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

img 3f31c318b7a81d3f2d1454813a24f54e32f25195809c1c3f4df90e9a86ce4c52

AgentTesla

Executable exe bfbfdc4aa175409b4354617bccfd96fe232ce53601cbe98738f819fcde8837f6

(this sample)

  
Dropped by
MD5 340a9b86416b8bc7584656286303212b
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 3f31c318b7a81d3f2d1454813a24f54e32f25195809c1c3f4df90e9a86ce4c52

Comments