MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 051b439b1e03b920fd501b80238f05ae19545e0aa253caee060c4f950c05512d. 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: 051b439b1e03b920fd501b80238f05ae19545e0aa253caee060c4f950c05512d
SHA3-384 hash: b85999aeeae36f55abad641d5d023ad023dc1bfada8c99d3a2b494a213ae6e9a1271b363481c285e26099de2529bdc89
SHA1 hash: a48e30c80ba5eeb5e8f4a8414b3c77bbae71e748
MD5 hash: 0b6b4bf5b8743b193dfc8e7ac9ea37a3
humanhash: fanta-delaware-social-orange
File name:factura.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:432'128 bytes
First seen:2020-05-19 14:12:12 UTC
Last seen:2020-05-19 14:54:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:GoduupdhZxodKG9Bq04KzXC2sSBlGE1Vvj:4upPXotBqpKzFbG
Threatray 10'744 similar samples on MalwareBazaar
TLSH DB94028A27EE6F62D17D8FF45662641423F670ABB995F6684CC370D71222FD00AA0E53
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ibermedia.infortelecomhosting.com
Sending IP: 84.246.211.14
From: Josep Miguel <j.miguel@rosergroup.com>
Subject: solicitud de factura
Attachment: Albarn.rar (contains "factura.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.47202.12883.5090.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-19 15:18:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aunuhgy6ao4sb7kqdoachdyfvymvixqkujj4v3qgbrhzkdafkewq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
109607a68f4878fa6a484193ffbf3b654a8b54bf808f6b335a30eea7633b5820
AgentTesla
2364247c3aeffef1ab3a097e386e61917c7083f53e016888d5c450e9f1c656ac
AgentTesla
488e6c7d2c8bdb10b52731aea5977f0a37de634ba0ceb90280fc13b097ced830
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4e0b4d0f9eb54314d659f34847e8f422b1e6c41ce5ffb11ae1b3ae0f0c44ac96
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560994a364013c2cb5976cf4503fb3aeb23a7487f0e12468bde73ce728c3394b
AgentTesla
6d12b7ab3f0322eb4a6d8d74a7749c2c10a09009119fa5767cf364bb93a5b6d5
AgentTesla
74b39dfc539ebe9a0adc227f19c18b8aaf418dde00f8188eec6133b6973d847e
AgentTesla
900bf6c4cdf55297d7b0a205bf3cc771763bd163cdea9351080fb01714f4fc7d
AgentTesla
f0d55da0eb2771b629e0d4731be66330daff5b5c55a2fbcca15933c367aaab84
AgentTesla
f8b881049eff27232d360fb3a623e75ff7504b4da918cbd6666c917ddb38ef73
AgentTesla
+ 10'734 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
coreentity rezer0 family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201109-ega3dpq1g6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
rezer0
AgentTesla Payload
CoreEntity .NET Packer
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

rar bbea0766a204e0ab44be6e26f0a47e5f93cd6824e12800892981fe5b7e48356a

AgentTesla

Executable exe 051b439b1e03b920fd501b80238f05ae19545e0aa253caee060c4f950c05512d

(this sample)

  
Dropped by
MD5 7cdf906073f2af9788a985c535712b20
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 bbea0766a204e0ab44be6e26f0a47e5f93cd6824e12800892981fe5b7e48356a

Comments