MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd80340bee608d8a8b27a5e2ac7f0b2dfdf319cdd285d9acd9c462f6983dbf4b. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cd80340bee608d8a8b27a5e2ac7f0b2dfdf319cdd285d9acd9c462f6983dbf4b
SHA3-384 hash: 4a42a18162ffb49a377bab19ed714fcc3072f2d2c932e7449632f1978ef949f28638a8f4932f27cd80887cf70b872b46
SHA1 hash: 02c79984f21611b3f0fc221679aee847b261a041
MD5 hash: e6f674579ae6388d045dcf24ae25caf1
humanhash: xray-california-wisconsin-table
File name:SecuriteInfo.com.Fareit-FVTE6F674579AE6.25270
Download: download sample
Signature AgentTesla
Create hunting rule
File size:904'192 bytes
First seen:2020-08-31 17:35:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:BZYZWBXFXfMrKmduqDwq3d+pJIJRPWPJravxjLhv4RgXvwnVDtRzIVNOdvAFsL77:2x/uqDb3dEJIbWPEpy2vct665AqYJMd
TLSH 3015073D3AC3940AD9BD463244E8A9C3A231B1873B85CB2F75CB035C9E1269F7B5659C
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/53718/
Detection(s):
SecuriteInfo.com.Fareit-FVTE6F674579AE6.25270.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/455924
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Creates an autostart registry key pointing to binary in C:\Windows
Creates multiple autostart registry keys
Drops PE files to the user root directory
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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)
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 signatures2 2 Behavior Graph ID: 280342 Sample: SecuriteInfo.com.Fareit-FVT... Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AgentTesla 2->49 51 2 other signatures 2->51 7 SecuriteInfo.com.Fareit-FVTE6F674579AE6.exe 7 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 31 C:\Users\user\jmsg.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->33 dropped 35 C:\Users\user\jmsg.exe:Zone.Identifier, ASCII 7->35 dropped 37 SecuriteInfo.com.F...6F674579AE6.exe.log, ASCII 7->37 dropped 53 Drops PE files to the user root directory 7->53 15 jmsg.exe 2 7->15         started        18 cmd.exe 1 7->18         started        20 jmsg.exe 3 11->20         started        signatures5 process6 signatures7 67 Writes to foreign memory regions 15->67 69 Allocates memory in foreign processes 15->69 71 Injects a PE file into a foreign processes 15->71 22 InstallUtil.exe 2 4 15->22         started        27 reg.exe 1 1 18->27         started        29 conhost.exe 18->29         started        73 Multi AV Scanner detection for dropped file 20->73 75 Machine Learning detection for dropped file 20->75 process8 dnsIp9 41 smtp.yandex.ru 77.88.21.158, 49733, 587 YANDEXRU Russian Federation 22->41 43 smtp.yandex.com 22->43 39 C:\Users\user\AppData\Roaming\...\57QwA12.exe, PE32 22->39 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->57 59 Tries to steal Mail credentials (via file access) 22->59 65 4 other signatures 22->65 61 Creates multiple autostart registry keys 27->61 63 Creates an autostart registry key pointing to binary in C:\Windows 27->63 file10 signatures11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cd80340bee608d8a8b27a5e2ac7f0b2dfdf319cdd285d9acd9c462f6983dbf4b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 15:45:41 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zwadic7omcgyvczhuxrky7ylfx67ggon2kc5tlgzyrrpngb5x5fq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200831-29mebbg1r6/
Behaviour
AgentTesla Payload
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cd80340bee608d8a8b27a5e2ac7f0b2dfdf319cdd285d9acd9c462f6983dbf4b

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.

Web download

AgentTesla

Executable exe cd80340bee608d8a8b27a5e2ac7f0b2dfdf319cdd285d9acd9c462f6983dbf4b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/447452/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/53718/

Comments