MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c34a5fb5cb1ee666b5a59c8fd67368b2b3f826b3b8ed19e597dc8beb91416c52. 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: c34a5fb5cb1ee666b5a59c8fd67368b2b3f826b3b8ed19e597dc8beb91416c52
SHA3-384 hash: 4f0d6bc1afab3a77ed280a8fb03a134d731c40e15a1f190dcbb814fca48328b7897090899e6c73a96c6eb96fa53bef25
SHA1 hash: 6c97fd2aeaf672b55306147ed028c4ba044287c6
MD5 hash: 73eff0ef28208f340480056565e52406
humanhash: early-london-lemon-sierra
File name:20200603_PO_97890_EXPORTFCLpdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:465'408 bytes
First seen:2020-06-03 09:04:23 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:fYcEPru2xqVCGESoq1QkjFo9uhsJgHZnprmcj:her7yIM1fFokhsJG1tmcj
Threatray 10'607 similar samples on MalwareBazaar
TLSH 6BA4F126BA58AD17C77C88F5C062125587FA822616D3F3C5DCCB52DA66C6FF18A10F83
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: plesk5.etllao.com
Sending IP: 202.62.107.252
From: Anisa ucl swift <kdps@e-kdps.com>
Subject: [NEW SHIPMENT] Export Order PO 97890 / 2x45 HC Container
Attachment: 20200603_PO_97890_EXPORTFCLpdf.zip (contains "20200603_PO_97890_EXPORTFCLpdf.exe")

AgentTesla SMTP exfil server:
mail.sesan.com.vn:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-03 15:54:41 UTC
AV detection:
18 of 31 (58.06%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ynff7nold3tgnnnftsh5m43iwkz7qjvtxdwrtzmx3sf6xekbnrja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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2488817fd7589194d1a7781f8975be361c8153177af6f79c9c5b06960810f05c
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b5355a11d9f0360c783207c08d54bd2eec3a98859300874eab74c5028b02c1f1
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cb29def3c7c961ecae3bb6cda5aebc5210828401fc97a4f9b61711a0d1c2ae2c
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d60f774507ea86cf6fb6caec5bb930bc86ad5a38c9d9f72d568230580f02c92a
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ea2e7ec387cf91e0ad3d44c01b25adc702061e93b66d21f8b3dd1eab812045f9
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fb051c58261741c69b1369f9685b34a9d43cc0e71d12fa9335593a2eb17a1b0b
AgentTesla
+ 10'597 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-fm7v6h3h1j/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
rezer0
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

zip 910ecf3640d41c346a662f73d2e695e3a4331d9e910fcfc5838587239895018d

AgentTesla

Executable exe c34a5fb5cb1ee666b5a59c8fd67368b2b3f826b3b8ed19e597dc8beb91416c52

(this sample)

  
Dropped by
MD5 4617de809b9bb837eaa6283518e2e066
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 910ecf3640d41c346a662f73d2e695e3a4331d9e910fcfc5838587239895018d

Comments