MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c91372ba5e7d79a2ff1ee8ac7f50428be7d5c4a87b6fafe9503fbc857030bfbc. 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: c91372ba5e7d79a2ff1ee8ac7f50428be7d5c4a87b6fafe9503fbc857030bfbc
SHA3-384 hash: ec8d808d1560506a828097e60708e8f4211f2351d75a903b56d6e171c454922c0f7a2d798778631dfffa6b08b258443e
SHA1 hash: 3176f3cd5b05a86a2a7e146cb08df6aa08dd91b2
MD5 hash: 145712093197622eff1c7a841a87a659
humanhash: vegan-fifteen-aspen-beryllium
File name:Rebounced Message Body.scr
Download: download sample
Signature AgentTesla
Create hunting rule
File size:672'256 bytes
First seen:2020-06-08 06:18:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:G4rY55lpTjqQbIYjFqRGbL0fCVA4pGcAQuZrvnPxaykQ6Ni:IfFm+FqMbQfF4u1PxaE
Threatray 10'740 similar samples on MalwareBazaar
TLSH 86E4E181B9087346F63D07B9684529A403397F19757DD50D288EB3EF13B23BA8736A27
Reporter abuse_ch
Tags:AgentTesla scr


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 162-144-100-85.unifiedlayer.com
Sending IP: 162.144.38.36
From: Cheil INC <enquiry@oxy99.in>
Reply-To: Cheil INC <enquiry@oxy99.in>
Subject: Enquiry
Attachment: Rebounced Message Body.img (contains "Rebounced Message Body.scr")

AgentTesla SMTP exfil server:
mail.northwestpowdercoating.co.uk:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Generic.mg.145712093197622e.26873.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-08 03:11:01 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zejxfos6pv42f7y65cwh6uccrpt5lrfipnx272kqh66ik4bqx66a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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5c336599791ce2459fd0fbb6e6acb618be490f62b4136f476d108c59b383e79e
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6c9e1808f94dfa36e4c5fc3b7a5a6eeb07d9628c5950b5e68a010aaa591121cb
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764faf8d3be8afed56e8c6f98c43de9404f5f835df197dc295d30b134565f82e
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7eda9593b5941e3572f7f72fb39e64161e55bbc50a771dc0d17f6312741b2bf7
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b60cffb90b7d115ebeb73bb66ceb3d64e33357d2b68ca0ff1d77ccfa14f2cf49
AgentTesla
+ 10'730 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_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

img e0422a52cdb6f626c10ae6cb5f8d2b593e4ce0f3a21ee4add5d4189cb763f5b2

AgentTesla

Executable exe c91372ba5e7d79a2ff1ee8ac7f50428be7d5c4a87b6fafe9503fbc857030bfbc

(this sample)

  
Dropped by
MD5 b8357d8a4fb497419f4c2b38a724f37f
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e0422a52cdb6f626c10ae6cb5f8d2b593e4ce0f3a21ee4add5d4189cb763f5b2

Comments