MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb2792644a81d965b332d8d165e1e6f75894b43942a33d7e367f9b3a36d4a2bf. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb2792644a81d965b332d8d165e1e6f75894b43942a33d7e367f9b3a36d4a2bf
SHA3-384 hash: 31ddf7bae7f83b430e56fcf1cf7c36c63a04e538ed15de37a286f8661e117b2cf87ba3a50c5784adb5b63cbcdf56aec8
SHA1 hash: a298bbb92765a40d6229da48b5c6c0edbc70f510
MD5 hash: 4e94b9a3025122a9949b79b37eeb3cff
humanhash: july-butter-twenty-blossom
File name:NYRNC200420511_FreightArrival.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:457'216 bytes
First seen:2020-05-28 16:41:16 UTC
Last seen:2020-05-28 18:18:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:m1OK5oY+RqDqxm8XIQLjasMCPMks9T1qSVMy:9Y+ROqQ09sS7y
Threatray 10'682 similar samples on MalwareBazaar
TLSH 7DA4F11132594F33F8BD87FE9492240457F9522B7D22F398ADE7E0EA16BAF010641E67
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mout.perfora.net
Sending IP: 74.208.4.196
From: Intercargo/Nyc-Grace <deckow@rebingul.us>
Subject: ARRIVAL NOTICE / FREIGHT INVOICE [FORM ORDER-NYRNC]
Attachment: NYRNC200420511_FreightArrival.zip (contains "NYRNC200420511_FreightArrival.exe")

AgentTesla SMTP exfil server:
mail.karmachalets.co.in:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Artemis4E94B9A30251.8609.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Genkryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-28 14:21:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
30 of 48 (62.50%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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1d117728ec260d80f6c6a347c4c32c965c69ff10bd4f08444fc70e82eebb1094
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7a7f8f5b41981d22a64654a713d5dfdfbe6cb5e0778364a594fbaee25efc5425
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bb7d7db00c98fc9b833c3da4a614e726380c6d0a8d5fe45e12ec4209ddf85806
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d2dbb94dedc36a45bd0f528aefae333861935729369b2136b85daa3ff77e4e0a
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e9f0d843d20ec7dbba3f8e8e4a412d369d997b384a10762ccf02544738a39358
AgentTesla
+ 10'672 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-5b6bdmhpws/
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
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 c93b2e5437769a30e512a711ca27632b529736967d1c07b5b497eb9944f70374

AgentTesla

Executable exe cb2792644a81d965b332d8d165e1e6f75894b43942a33d7e367f9b3a36d4a2bf

(this sample)

  
Dropped by
MD5 ba1dcc0f74dfef6cf5661a21169ab63b
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 c93b2e5437769a30e512a711ca27632b529736967d1c07b5b497eb9944f70374

Comments