MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc15b59bbfc3e94347809a2bb9f8fbcc1982b2ef982635d6bb1d9a7be1cafbf4. 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: bc15b59bbfc3e94347809a2bb9f8fbcc1982b2ef982635d6bb1d9a7be1cafbf4
SHA3-384 hash: e89d8cbb1500f7cca013a5c986d60ffde9ac8aed470f83a654a6e44d93227737497b890f19dbfc1e34e1b9fb07250225
SHA1 hash: 0ef5cc0af899e496c66f9e540b6f4a9880ed0ab6
MD5 hash: 6fdbc8bada29a4079835068a4e4bd9ea
humanhash: fruit-ack-nine-india
File name:Urgent inquiry.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:308'224 bytes
First seen:2020-08-04 07:44:32 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 6144:0lvPSCiP3SQ3hc7n5s2lBCrYWNXMbpHLjwb:0chPknT
Threatray 10'651 similar samples on MalwareBazaar
TLSH BB64297D6B88B902F23D497651D2622062F1D4834E12C34F6EC46EFDBF517C92E4A3A6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: aaturkgroup.com
Sending IP: 103.99.1.145
From: Abdul>sales@aaturkgroup.com
Subject: RE: Urgent! New Order
Attachment: Urgent inquiry.rar (contains "Urgent inquiry.exe")

AgentTesla SMTP exfil server:
srv31.niagahoster.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38313/
Detection(s):
Win.Malware.AgentTesla-7660762-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Sending a UDP request
Reading critical registry keys
Launching the process to change network settings
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/408840
Signature
Found malware configuration
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)
Sigma detected: Capture Wi-Fi password
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc15b59bbfc3e94347809a2bb9f8fbcc1982b2ef982635d6bb1d9a7be1cafbf4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 05:14:08 UTC
AV detection:
40 of 48 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xqk3lg57ypuugr4ativ3t6h3zqmyfmxptatdlvv3dwnhxyok7p2a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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d92dcda06015bc3d7dc48098eee32a8e77b6b387790abefbff55cad7ff44fca3
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e6f24dc63903a62c11b31f12fdf5e6c71d434782963b51e3e25a9267d4004949
AgentTesla
+ 10'641 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200804-j21gnm98vn/
Behaviour
AgentTesla Payload
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bc15b59bbfc3e94347809a2bb9f8fbcc1982b2ef982635d6bb1d9a7be1cafbf4

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 0852fa9ed720b404d8be8cc1645c7c30f46141a76acb32d5a772ec8cab0d49c9

AgentTesla

Executable exe bc15b59bbfc3e94347809a2bb9f8fbcc1982b2ef982635d6bb1d9a7be1cafbf4

(this sample)

  
Dropped by
MD5 345a90d17d3ed3628eaaed17f1db6cc1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38313/
  
Dropped by
SHA256 0852fa9ed720b404d8be8cc1645c7c30f46141a76acb32d5a772ec8cab0d49c9

Comments