MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fda9cdc6d189a4f40199d09a2cd49522189e9494d6a7a3dc0d5bdd5faddb355a. 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: fda9cdc6d189a4f40199d09a2cd49522189e9494d6a7a3dc0d5bdd5faddb355a
SHA3-384 hash: f41df06c461af9eacfbf43c102a9e081b5fb5ff386311a8e88b7e4dcc9369334ac28b8efd8114fad7fc29e0b28ac3167
SHA1 hash: 258b9e1189aa620632803aa1ede6cec3c0d7490b
MD5 hash: 0bdce81070764a570057b6381f91c225
humanhash: grey-nitrogen-mexico-sodium
File name:bbcrypted.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:741'376 bytes
First seen:2020-05-08 07:39:11 UTC
Last seen:2020-05-08 18:38:40 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 6144:s60igYEJJL7XJAnY7eUIovqYOljgj1ONmqwDs4Ctjkrb/iiVh7wGWmOmg:s60ixAJHX+nOehrTwDFyiVh7wdmOm
Threatray 10'665 similar samples on MalwareBazaar
TLSH 58F45C297BC46805E13D0A7150E956C262B2AA837D11C70F79CAD76CBF427CFBB0625E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: merrygold.cn
Sending IP: 103.145.253.9
From: Jacki Lee <sales5@merrygold.cn>
Subject: Re:Re: Request for Quotation...
Attachment: Purchase Order.zip (contains "bbcrypted.exe")

AgentTesla SMTP exfil server:
mail.islandkingpools.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.LuhePackedH.3319.25787.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-08 09:07:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7wu43rwrrgspiamz2cnczveveimj5feu22t2hxanlpov7lo3gvna._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
netwirerc
Create hunting rule
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312ca2779ca2502a35fa0de2215e9ada5965a55896842f0c7d6742b8989d50f3
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806f31221f182e4a97f68f267894aa671f18f5a8a112bf70ec1f64fd078b8000
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837724016920b7d950caf8f43afbdfd5ac3dec79b6321849d9f22baa3371f6c2
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87e83503b7b5d28b225ff66f44acb5b55e03b31ef63d56caff3cd8123155e4ab
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a563a898ce1c8dcac374ef8a468e39a185ca3b010f1a41b60731a7beac23f846
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cc764009f2970de6acb84a66e9a21b4d854d92aeee5364ffe513bdcb542bdd7e
AgentTesla
+ 10'655 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla agilenet keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-nw27x6fdr2/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Drops file in Drivers directory
Executes dropped EXE
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

zip 291694865cd38c0e9b5a2700f1f4a401e263ff9ec402691bf83710b8e5f819b1

AgentTesla

Executable exe fda9cdc6d189a4f40199d09a2cd49522189e9494d6a7a3dc0d5bdd5faddb355a

(this sample)

  
Dropped by
MD5 2f33e759c62f288727b2b49d3451124a
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 291694865cd38c0e9b5a2700f1f4a401e263ff9ec402691bf83710b8e5f819b1

Comments