MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b31c888c6d36ec26e3c9d3ebd99c56abc17f860d008700e3e7687007bd09cfcf. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b31c888c6d36ec26e3c9d3ebd99c56abc17f860d008700e3e7687007bd09cfcf
SHA3-384 hash: 29fa3122126a3c741d496cdbd52da7fd677ae43d889069342c0498d66aebc879797e19cc9f5cf89438d97bc435dee30f
SHA1 hash: c48f2dcd8f4efc00977c55aa68de60349d88bf52
MD5 hash: 9ec9c4dafd933140c050222c75d77a22
humanhash: edward-oxygen-fruit-four
File name:Purchase Order 060920A..exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:470'528 bytes
First seen:2020-07-03 06:08:28 UTC
Last seen:2020-07-03 20:37:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:4EuOdfFUCubo8IKKhHqLju7WjGC6zabQTh8:eOJaCGTcqLy7tCBbQC
Threatray 10'749 similar samples on MalwareBazaar
TLSH 74A4E032765C7F98D6A8B634602251021D3A7E7B5213D75E3C4F35BC1CF1B888B56EA2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gmail.com
Sending IP: 156.96.62.70
From: Ben Faiella <benfaiellate1@gmail.com>
Reply-To: laurent.seltechutama@gmail.com
Subject: Purchase Order 060920A.
Attachment: Purchase Order 060920A..zip (contains "Purchase Order 060920A..exe")

AgentTesla SMTP exfil server:
smtp.balkrishneforge.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/18576/
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b31c888c6d36ec26e3c9d3ebd99c56abc17f860d008700e3e7687007bd09cfcf/
Threat name:
ByteCode-MSIL.Trojan.Avemariarat
Create hunting rule
Status:
Malicious
First seen:
2020-07-03 06:10:06 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmoirddng3wcny6j2pv5thcwvpax7bqnacdqby7hnbyappijz7hq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a8f1b181c37984cf41eb816ec9375d0ef94a5d6dd17f846612b9c95f4129bdc4
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AgentTesla
+ 10'739 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200703-9ajx81bdbx/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
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 0d4e7adcbc38bf2d5890d9790dcdc137af87c23c5ab25959111b61088a8badc9

AgentTesla

Executable exe b31c888c6d36ec26e3c9d3ebd99c56abc17f860d008700e3e7687007bd09cfcf

(this sample)

  
Dropped by
MD5 10d2f8e4130770a13960862d86ace407
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 0d4e7adcbc38bf2d5890d9790dcdc137af87c23c5ab25959111b61088a8badc9
Cape
Cape
https://www.capesandbox.com/analysis/18576/

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