MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f17f88079f997a584c219a64b4105b6f98a6356f16a557bc0328758655d8fb99. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f17f88079f997a584c219a64b4105b6f98a6356f16a557bc0328758655d8fb99
SHA3-384 hash: 526d634400a6f0923acecac894fab1f9c443c9210590823a0a474a4a413371496ab5009f73bcf8084b763a323dd8ec08
SHA1 hash: cf7610bcf07b760b03f1b867aed115ce18e45d18
MD5 hash: eb120bf762fc616fd7dcae9751c53dff
humanhash: charlie-alaska-eighteen-earth
File name:RFQ.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:585'216 bytes
First seen:2020-07-07 09:06:28 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:hWqr13l2UiF1QU+BHtCOM65wMOtQg3pNJ1hJcp/PbTEuzpKhF1:9U+xBMuwPK0zGYuEN
Threatray 10'935 similar samples on MalwareBazaar
TLSH 95C4BE717A22AEA7C63E0DF0844024614FFC5897666EE3DD7CD221EA41C9FC09E859B7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: dennisang.com
Sending IP: 128.199.204.148
From: Edmund Chew <sales08@chinadyne.net>
Reply-To: Edmund Chew <nealworkrestblades@yahoo.com>
Subject: RE :RFQ
Attachment: RFQ.GZ (contains "RFQ.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22112/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Creating a file
Stealing user critical data
Unauthorized injection to a system process
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f17f88079f997a584c219a64b4105b6f98a6356f16a557bc0328758655d8fb99/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 09:08:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6f7yqb47tf5fqtbbtjsliec3n6mkmnlpc2svppadfb2ymvoy7omq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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87f94a2fca72d8b4a2317257b3333d415ea4a9f28ac1470967f7b30e775030c2
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91b0b26682dd9be054ce4fd2eefebc1d10157ea0f08c29d3bee695453b8d7ca6
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b3850a4a20e894c6b6510b89e84a93c91e48db0a5ae667c913ed212090308c8c
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ce8f5364bad46347efa450b4ddbb7d5a6e99a4619cc132dffe2f9878465db19e
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AgentTesla
+ 10'925 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200707-vl9k5srrgn/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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

gz 183151092873fb1ce7a04013a3f19a74043deea38c45e5636c8a236bbc2e041e

AgentTesla

Executable exe f17f88079f997a584c219a64b4105b6f98a6356f16a557bc0328758655d8fb99

(this sample)

  
Dropped by
MD5 675fa8a6a0f1f45886c42c4ac2f4f874
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22112/
  
Dropped by
SHA256 183151092873fb1ce7a04013a3f19a74043deea38c45e5636c8a236bbc2e041e

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