MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6bdce9236cb2c45000de6d3b5c8253d4f247c68d802f990e2f244d03d93d9df3. 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: 6bdce9236cb2c45000de6d3b5c8253d4f247c68d802f990e2f244d03d93d9df3
SHA3-384 hash: 7fae9fe8cf821282018775874df22c248124ac30a6811382423e634ccf7e10e10c7fd312a2d3fdfc7028fec36b1dda53
SHA1 hash: 0b2286a98daf42daa19ba41f22d56b9a123105a8
MD5 hash: 7a7020a82802c207cb31619cc93838b2
humanhash: earth-speaker-single-south
File name:PO-20456200 Ningbo Xingrui Electronic.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'020'416 bytes
First seen:2020-08-27 08:02:56 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:bv9I2tvHZ+kOmO2Y4vw8D0Vgt1uUWWJ6I6OVJLIpCe+x4p8YLWLn+2guzv0yIT44:hwkO72T4uaU2I68J1e+x4zWL+th3F
Threatray 10'132 similar samples on MalwareBazaar
TLSH 0225A23A7AC294E5E42C86F2806C599072306FC67A51CBEF26C61F8D7E4338B771594B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vepo.donoralpha.com
Sending IP: 111.118.214.86
From: Lee li <sunrise001@zxec.com>
Subject: PO-20456200 Ningbo Xingrui Electronic
Attachment: PO-20456200 Ningbo Xingrui Electronic.rar (contains "PO-20456200 Ningbo Xingrui Electronic.exe")

AgentTesla SMTP exfil server:
admim@nsmelectronics.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/51664/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Setting a keyboard event handler
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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/452375
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 278547 Sample: PO-20456200 Ningbo Xingrui ... Startdate: 27/08/2020 Architecture: WINDOWS Score: 100 30 g.msn.com 2->30 32 cdn.onenote.net 2->32 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 3 other signatures 2->52 7 PO-20456200 Ningbo Xingrui Electronic.exe 4 2->7         started        11 window.exe 4 2->11         started        13 window.exe 3 2->13         started        signatures3 process4 file5 26 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->26 dropped 28 PO-20456200 Ningbo... Electronic.exe.log, ASCII 7->28 dropped 54 Writes to foreign memory regions 7->54 56 Allocates memory in foreign processes 7->56 58 Injects a PE file into a foreign processes 7->58 15 InstallUtil.exe 2 4 7->15         started        20 conhost.exe 11->20         started        22 conhost.exe 13->22         started        signatures6 process7 dnsIp8 34 mail.nsmelectronics.com 103.14.97.85, 49734, 587 TRUNKOZ-INTrunkozTechnologiesPvtLtdIN India 15->34 36 192.168.2.1 unknown unknown 15->36 24 C:\Users\user\AppData\Roaming\...\window.exe, PE32 15->24 dropped 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->38 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->40 42 Tries to steal Mail credentials (via file access) 15->42 44 5 other signatures 15->44 file9 signatures10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6bdce9236cb2c45000de6d3b5c8253d4f247c68d802f990e2f244d03d93d9df3/
Threat name:
ByteCode-MSIL.Infostealer.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-08-27 08:04:15 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=npoosi3mwlcfaag6nu5vzast2tzeprunqaxzsdrpergqhwj5txzq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'122 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200827-zyafgnqns2/
Behaviour
AgentTesla Payload
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Lokibot
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6bdce9236cb2c45000de6d3b5c8253d4f247c68d802f990e2f244d03d93d9df3

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 859a170c895811491602d40cc992a62edbd5ebe91498556a2b978a9c56c388a1

AgentTesla

Executable exe 6bdce9236cb2c45000de6d3b5c8253d4f247c68d802f990e2f244d03d93d9df3

(this sample)

  
Dropped by
MD5 c237e5d55578e9aba77fcafcb34c8759
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/51664/
  
Dropped by
SHA256 859a170c895811491602d40cc992a62edbd5ebe91498556a2b978a9c56c388a1

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