MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31d6d363bd117ed694bacaff867d1bcade57923a151136b32d23e06446d4a34c. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31d6d363bd117ed694bacaff867d1bcade57923a151136b32d23e06446d4a34c
SHA3-384 hash: 70b143c51df7edb2e8d3a1e54592beb0383b871c7ed70bf8893947b796818709f679fc5f58886adfea9cc9d71677b6b9
SHA1 hash: c1e070d98878073cbc54a86940c51b3e6a1d8af3
MD5 hash: 3a90dee80162b2c09200179db07e7172
humanhash: georgia-delaware-nuts-winter
File name:SI-31618215 BAH eStatement_images.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:339'456 bytes
First seen:2020-08-07 13:21:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:HtVH0lPjLIpTwIQ8GrlZE0AGaHAub9R5jrXlOOdeuoWoIeiYvOxlgd1saIL0Fv6W:Np0l/sQ8GrlZE0AGaHH75nTdiiWu+W0k
Threatray 10'668 similar samples on MalwareBazaar
TLSH 5C74198DAB88B902F13D1D3651DB872017B1E2874A12C30F7FD45EEDAB517CA2D892D6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.example.com
Sending IP: 62.171.146.191
From: BAHL Statement Admin <estatement@bankalhabib.com>
Subject: E-Statement - [BAHL](SI:31618215)Statement of July 2020
Attachment: SI-31618215 BAH eStatement_images.rar (contains "SI-31618215 BAH eStatement_images.exe")

AgentTesla SMTP exfil server:
smtp.live.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/41634/
Detection(s):
Win.Malware.AgentTesla-7660762-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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:
92 / 100
Link:
https://www.joesandbox.com/analysis/415284
Signature
.NET source code contains potential unpacker
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
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:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/31d6d363bd117ed694bacaff867d1bcade57923a151136b32d23e06446d4a34c/
Threat name:
ByteCode-MSIL.Infostealer.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-08-07 13:05:27 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghlngy55cf7nnff2zl7ym7i3zlpfper2cuitnmznepqgirwuunga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a52c72aa195562b2f469e6dbc1e2e7534aec440d4674cedb788f3800286ecbbf
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a849f1677b6addf326c029fff0d355c882ff497e23215c840dac2f1388dd9d83
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c1f797506aa00305f7d7df4ef9933904a58c03c7da3f5a20f9087279ea71a1d6
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dd5712ad571847f064a5dfcd49ee82e3d2b42959bef23a773512dc41af030f6e
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e83b98a736b614af8adb721b387d5eda8d794c6fd58296a59a86c6faf9baf4ba
AgentTesla
+ 10'658 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200807-12zazpm5sa/
Behaviour
AgentTesla Payload
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/31d6d363bd117ed694bacaff867d1bcade57923a151136b32d23e06446d4a34c

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

rar 30d08163ecfef754e2cda27ab863649e183bdf0f6f0d90e0adc0e9569bf3b58e

AgentTesla

Executable exe 31d6d363bd117ed694bacaff867d1bcade57923a151136b32d23e06446d4a34c

(this sample)

  
Dropped by
MD5 6ad0e52108b6b17e95142da968247a61
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/41634/
  
Dropped by
SHA256 30d08163ecfef754e2cda27ab863649e183bdf0f6f0d90e0adc0e9569bf3b58e

Comments