MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b90d7894eecdabe437c469f62ca2cf8cff3fed04fc0e01287bfb2bde6454ee1. 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: 8b90d7894eecdabe437c469f62ca2cf8cff3fed04fc0e01287bfb2bde6454ee1
SHA3-384 hash: 6eff19323a79e5ec0acb4e5d699082ccfe0e72995498e5d193b956d674523a101ea0b56132d69bf5d393e6a49a12a094
SHA1 hash: 70964ae3ecb2564c2850176fef77e0b15e4d4983
MD5 hash: 661b3350d40e5114cf37869f2f8c7438
humanhash: march-nevada-kansas-eight
File name:Img-08052020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:779'264 bytes
First seen:2020-08-05 06:59:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 89f9603ab119f487b36c91fab25c064e (8 x AgentTesla, 4 x Loki, 2 x MassLogger)
ssdeep 12288:F9N5xdEzBMwNXyseVY06gkdo7AL8Mj0a2WE7tiUElTQQeF6qNUq93N9PK:XnczvIYl83a2ZiUi6FQq93jK
Threatray 11'756 similar samples on MalwareBazaar
TLSH B0F47C13BEAC473EC1662739FC3B43785829BF5329E458463EE4AD4C5E3924939262D3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.netplus.co.in
Sending IP: 103.41.23.208
From: metzerplas-ecuador@metzerplas.com.ec
Subject: Re: DEVOLUCIÓN DE PAGO TT (Ref No.08042020)
Attachment: Img-08052020.gz (contains "Img-08052020.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/39000/
Detection(s):
SecuriteInfo.com.Win32.Herz.B.23927.UNOFFICIAL
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/410223
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8b90d7894eecdabe437c469f62ca2cf8cff3fed04fc0e01287bfb2bde6454ee1/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 07:01:07 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=roinpcko5tnl4q34i2pwfsrm7dh7h7wqj7aoaeuhx6zl3zsfj3qq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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652c0bdfcb3143e7e53653a820dcf1a3528afb60a09ae7817ef20e6094d97596
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72e0ffc575732f02776d9ece5069dfecea43dd0ab266b69770f33b758e1dadc6
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994aa10203a4f579a2c4abf59fe76f9b3203b788077f153f2e150d5cc2bfb805
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c7ab7dce5d2ed6eceaa6047479f76981c101e436b16d91f857fd8a573859fe14
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dc093e568e38e5fa992a6f77e85023798941a32c24b541b5ad5b94708564ff91
AgentTesla
+ 11'746 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
upx keylogger stealer trojan spyware family:agenttesla
Link:
https://tria.ge/reports/200805-evk2vjgcy6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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
UPX packed file
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Cryptor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8b90d7894eecdabe437c469f62ca2cf8cff3fed04fc0e01287bfb2bde6454ee1

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 0539e38e83db5ee0284825c6fd716b64ca9bea4236dc4d06d97a413c2132bb25

AgentTesla

Executable exe 8b90d7894eecdabe437c469f62ca2cf8cff3fed04fc0e01287bfb2bde6454ee1

(this sample)

  
Dropped by
MD5 fc73874b4ac9c34214990bef162984ba
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 0539e38e83db5ee0284825c6fd716b64ca9bea4236dc4d06d97a413c2132bb25
Cape
Cape
https://www.capesandbox.com/analysis/39000/

Comments