MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc16cd2c29d60ad3a5e76a177360f68ca5962a3471d7d1ddc1edef59314130a7. 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


NanoCore


Vendor detections: 10


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

SHA256 hash: bc16cd2c29d60ad3a5e76a177360f68ca5962a3471d7d1ddc1edef59314130a7
SHA3-384 hash: 3fbeb663ebbc7db605888c5403c1d52d0ecd72f76b60cf40f154a9d4fc806d1b27c09cf20818f977de303dbc7c6298ec
SHA1 hash: bacf845788ddcb5772a3c3afb4685e0c1c11acd6
MD5 hash: 63801f7f85bef05c936b5312586d3386
humanhash: july-green-may-louisiana
File name:blessedloco.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:560'640 bytes
First seen:2020-08-11 13:13:42 UTC
Last seen:2020-08-13 04:34:06 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:IMG3f9MJuKCtl71Mm9bDs1TcSivLN6oD80TRQ:IMGv9E9w11MVDu74K
Threatray 10'772 similar samples on MalwareBazaar
TLSH 4CC4D01A7645F11EC3C86FB9C172E7B913F62F60EC53A64561A83F1EAA353D23924213
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
4
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/43374/
Detection(s):
Sanesecurity.Rogue.0hr.20200811-0107.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Enabling autorun
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/418938
Signature
Creates an undocumented autostart registry key
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 261826 Sample: blessedloco.exe Startdate: 11/08/2020 Architecture: WINDOWS Score: 80 40 Yara detected AgentTesla 2->40 42 Machine Learning detection for sample 2->42 44 Machine Learning detection for dropped file 2->44 7 blessedloco.exe 7 2->7         started        process3 file4 34 C:\Users\user\AppData\Local\...\name.exe.lnk, MS 7->34 dropped 36 C:\Users\user\AppData\...\blessedloco.exe.log, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 7->38 dropped 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->50 52 Injects a PE file into a foreign processes 7->52 11 blessedloco.exe 2 7->11         started        14 cmd.exe 1 7->14         started        16 cmd.exe 3 7->16         started        19 cmd.exe 1 7->19         started        signatures5 process6 file7 54 Tries to steal Mail credentials (via file access) 11->54 56 Tries to harvest and steal browser information (history, passwords, etc) 11->56 21 reg.exe 1 1 14->21         started        24 conhost.exe 14->24         started        30 C:\Users\user\AppData\Local\Temp\...\name.exe, PE32 16->30 dropped 26 conhost.exe 16->26         started        32 C:\Users\user\...\name.exe:Zone.Identifier, ASCII 19->32 dropped 28 conhost.exe 19->28         started        signatures8 process9 signatures10 46 Creates an undocumented autostart registry key 21->46
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc16cd2c29d60ad3a5e76a177360f68ca5962a3471d7d1ddc1edef59314130a7/
Threat name:
ByteCode-MSIL.Trojan.SpyAgent
Create hunting rule
Status:
Malicious
First seen:
2020-08-11 10:19:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xqlm2lbj2yfnhjphnilxgyhwrsszmkruohl5dxob5xxvsmkbgctq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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909c4b764f3f4fcce3b43386dbda9b76abb10c59f46e7118ad54495fff1fa0ad
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NanoCore
+ 10'762 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200811-8n8n41dc9n/
Behaviour
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
ZeroAccess
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bc16cd2c29d60ad3a5e76a177360f68ca5962a3471d7d1ddc1edef59314130a7

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/43374/

Comments