MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0a31d8b0c77ceaf0778cb4eaac32a36ed92dd93bb6c1163e85326d75c4fb550. 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: b0a31d8b0c77ceaf0778cb4eaac32a36ed92dd93bb6c1163e85326d75c4fb550
SHA3-384 hash: 30a393e9b4ac5e2296b8e74113f817878f3fdbd5b35c9b5e56b37cffe5a795165b7b7fa82c59f61ae41c3a985d39f242
SHA1 hash: c31e4ff33f59b9f9c65bdb997d7a80623584dbd0
MD5 hash: fde338d00a6651405ad7c0fbc30ceda4
humanhash: november-mobile-mountain-romeo
File name:Wellmien_Product_Sample_.ra.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:468'992 bytes
First seen:2020-04-02 08:41:08 UTC
Last seen:2020-04-02 09:44:25 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 12288:FlGW+pn2WtLG91RK2d3P5WXJZxtKZZ2xAuP:jL+p2WtLE1s2d3ABcZoWu
Threatray 10'655 similar samples on MalwareBazaar
TLSH 8CA4BF7521EE1147C376EBB70BD4A8AF96A9B133220AF63925C516C78722B438DC1376
Reporter abuse_ch
Tags:AgentTesla COVID-19 exe


Avatar
abuse_ch
COVID-19 themed malspam distributing AgentTesa:

HELO: mail.mallofmysore.com
Sending IP: 203.185.191.111
From: Grace Liu <grace@wellmien.com>
Subject: Fwd:Wellmien COVID-19 Supplies (Masks, Gloves, & other products)
Attachment: Wellmien_Product_Sample_.ra.zip (contaisn "Wellmien_Product_Sample_.ra.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Nanocore.23.14368.24821.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-04-02 09:38:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wcrr3cymo7hk6b3yznhkvqzkg3wzfxmtxnwbcy7ikmtnoxcpwvia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8022522744293ee1ca7408866ffe63cbc5ca0a7bf4db49d1a2a739ad7b514bb8
AgentTesla
b205ef7a1d411c72805ad1fb4def5327eea800a5bd76b37e39ea106a8f1d4144
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cc501c1080f76ebdc2763dcc3c6b72fcbf85e47529932fafe8bc0f2057df5d35
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ea74168507065efc492ed754dc31a2e3f99aa1e96f330db176b1b21cc587af49
AgentTesla
ffe529795aeb73170ee415ca3cc5db2f1c0eb6ebb7cffa0d4f7a886f13a438a6
AgentTesla
+ 10'645 additional samples on MalwareBazaar
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_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

zip 6c8214b2022e4e65aaf390b87f9b343dc259b16fc87632611062e005ff74be40

AgentTesla

Executable exe b0a31d8b0c77ceaf0778cb4eaac32a36ed92dd93bb6c1163e85326d75c4fb550

(this sample)

  
Dropped by
MD5 bd065c8b599a9b244398ad890ffafa43
  
Dropped by
SHA256 6c8214b2022e4e65aaf390b87f9b343dc259b16fc87632611062e005ff74be40
  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments