MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 946bf0933ae9952f715bb7405c52fe8ec4ef71bc5ace58859b1c3ae8d93e253d. 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: 946bf0933ae9952f715bb7405c52fe8ec4ef71bc5ace58859b1c3ae8d93e253d
SHA3-384 hash: b6e27fd3822eae0061ecbfe04726fa9ba03b9d3b78491bf2e06b19acec6ef02c676535e5d2300dbcb2d8640797b696e1
SHA1 hash: 4b5144256b1730a081397d5e497e0daa2e09de89
MD5 hash: e7073bf24dd08b10a3228f587b7b2c0a
humanhash: william-oklahoma-pip-oxygen
File name:QUATATION REQUEST..exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:888'320 bytes
First seen:2020-08-03 12:07:01 UTC
Last seen:2020-08-03 12:42:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:LZVInxH/AYr4sPc///1KgDa62xS/JnUxjIqT2RNOqfSB0SO2tXBcttttxtttOIe2:lV4boHXz/JyjIqyRUbLIusQUH
Threatray 10'893 similar samples on MalwareBazaar
TLSH D215D06DBB909969E41B1FBF5D7340439D70F84BA526F38F22F5222D0839B685852F23
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: dbschenker.com
Sending IP: 103.99.1.173
From: "Lu, Dragon"<Dragon.Lu@dbschenker.com>
Subject: RE: Quotation Request
Attachment: QUATATION REQUEST.rar (contains "QUATATION REQUEST..exe")

AgentTesla SMTP exfil server:
smtp.palcoman.com:587

AgentTesla SMTP exfil email address:
hat_docs@palcoman.com

Intelligence

File Origin
# of uploads :
2
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/37755/
Detection(s):
SecuriteInfo.com.ArtemisE7073BF24DD0.16882.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Creating a window
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/407830
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts 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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256147 Sample: QUATATION REQUEST..exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 64 6 other signatures 2->64 8 QUATATION REQUEST..exe 7 2->8         started        11 gKWBf.exe 2 2->11         started        13 gKWBf.exe 1 2->13         started        process3 file4 36 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp9AC8.tmp, XML 8->38 dropped 40 C:\...\&startupname&.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\...\QUATATION REQUEST..exe.log, ASCII 8->42 dropped 15 RegSvcs.exe 2 4 8->15         started        20 schtasks.exe 1 8->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        process5 dnsIp6 44 smtp.palcoman.com 15->44 46 smtp.mailhostbox.com 162.222.225.57, 49742, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->46 48 192.168.2.1 unknown unknown 15->48 32 C:\Users\user\AppData\Roaming\...\gKWBf.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->52 54 Tries to steal Mail credentials (via file access) 15->54 56 5 other signatures 15->56 26 reg.exe 1 15->26         started        28 conhost.exe 20->28         started        file7 signatures8 process9 process10 30 conhost.exe 26->30         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/946bf0933ae9952f715bb7405c52fe8ec4ef71bc5ace58859b1c3ae8d93e253d/
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 12:08:08 UTC
AV detection:
32 of 48 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=srv7bez25gks64k3w5afyux6r3co64n4llhfrbm3dq5orwj6eu6q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'883 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200803-tv7dst7msa/
Behaviour
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Modifies registry key
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/946bf0933ae9952f715bb7405c52fe8ec4ef71bc5ace58859b1c3ae8d93e253d

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 b4a755e51a19db21659189375af4cdbadf8d6d73b7996af43101e8bd8b165d18

AgentTesla

Executable exe 946bf0933ae9952f715bb7405c52fe8ec4ef71bc5ace58859b1c3ae8d93e253d

(this sample)

  
Dropped by
MD5 c37cdbe78ca7aa4210d047e9d51860bc
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/37755/
  
Dropped by
SHA256 b4a755e51a19db21659189375af4cdbadf8d6d73b7996af43101e8bd8b165d18

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