MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 205034fed0edd3c5d8069c63783b3cfdeba86816e6f1f5f6899add096d482bff. 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: 205034fed0edd3c5d8069c63783b3cfdeba86816e6f1f5f6899add096d482bff
SHA3-384 hash: 852825172fdc34d04494d0e9d75d7e74bfd862d15c927e3d1fa02d09748c3a913776261940ea71099343707ecca420ad
SHA1 hash: 09e4a1102f7df7a21f22bfc02f9649918db1f60d
MD5 hash: 910bc85e248fa7e2794e3d2469d3b94d
humanhash: monkey-oklahoma-cold-early
File name:swift comfirmation.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:663'040 bytes
First seen:2020-08-30 08:56:36 UTC
Last seen:2020-08-31 12:33:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:c5AIyR1cmSKJaXlgMuPnc4/uhtlT8Cz1KKZWw99y+lZlXf0Tf:5ITYaXSMu04/ufy2zW44+l/f0T
Threatray 9'375 similar samples on MalwareBazaar
TLSH 7DE4121033EC170ADAE6A7F806BDB08083B57D1A6737C79D5D9620DF2976B408262F67
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: enelsan.com
Sending IP: 103.133.106.246
From: Fatma@salab-druid-2.localdomain, "Ercan <fatma"@enelsan.com
Subject: Re:SWIFT CONFIRMATION
Attachment: swift comfirmation.rar (contains "swift comfirmation.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/53090/
Detection(s):
SecuriteInfo.com.W32.Trojan-7.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/454554
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Modifies the hosts file
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)
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 dnsIp2 2 Behavior Graph ID: 279649 Sample: swift comfirmation.exe Startdate: 30/08/2020 Architecture: WINDOWS Score: 100 64 smtp.uwcelectric.com 2->64 66 smtp.mailhostbox.com 2->66 68 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->68 70 Found malware configuration 2->70 72 Multi AV Scanner detection for dropped file 2->72 74 8 other signatures 2->74 9 swift comfirmation.exe 7 2->9         started        13 WCPCe.exe 5 2->13         started        15 WCPCe.exe 4 2->15         started        signatures3 process4 file5 54 C:\Users\user\AppData\...\IlwdaVdipIfsS.exe, PE32 9->54 dropped 56 C:\Users\user\AppData\Local\...\tmpEB08.tmp, XML 9->56 dropped 58 C:\Users\user\...\swift comfirmation.exe.log, ASCII 9->58 dropped 86 Injects a PE file into a foreign processes 9->86 17 swift comfirmation.exe 2 5 9->17         started        22 schtasks.exe 1 9->22         started        24 swift comfirmation.exe 9->24         started        88 Multi AV Scanner detection for dropped file 13->88 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->90 92 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->92 94 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 13->94 26 WCPCe.exe 13->26         started        28 schtasks.exe 13->28         started        30 WCPCe.exe 13->30         started        32 WCPCe.exe 13->32         started        34 schtasks.exe 15->34         started        36 WCPCe.exe 15->36         started        signatures6 process7 dnsIp8 60 smtp.uwcelectric.com 17->60 62 smtp.mailhostbox.com 162.222.225.57, 49737, 49738, 587 PUBLIC-DOMAIN-REGISTRYUS United States 17->62 48 C:\Users\user\AppData\Roaming\...\WCPCe.exe, PE32 17->48 dropped 50 C:\Windows\System32\drivers\etc\hosts, ASCII 17->50 dropped 52 C:\Users\user\...\WCPCe.exe:Zone.Identifier, ASCII 17->52 dropped 76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->76 78 Tries to steal Mail credentials (via file access) 17->78 80 Tries to harvest and steal ftp login credentials 17->80 84 2 other signatures 17->84 38 reg.exe 17->38         started        40 conhost.exe 22->40         started        82 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->82 42 conhost.exe 28->42         started        44 conhost.exe 34->44         started        file9 signatures10 process11 process12 46 conhost.exe 38->46         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/205034fed0edd3c5d8069c63783b3cfdeba86816e6f1f5f6899add096d482bff/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-29 01:13:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ebidj7wq5xj4lwagtrrxqoz47xv2q2aw43y7l5ujtloqs3kifp7q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 9'365 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware persistence trojan family:agenttesla
Link:
https://tria.ge/reports/200830-sc4235vd4x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Modifies data under HKEY_USERS
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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/205034fed0edd3c5d8069c63783b3cfdeba86816e6f1f5f6899add096d482bff

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 0d2f730e4b147a8413e4d9c85a4d73533b170c307797c08dacfa16504976be19

AgentTesla

Executable exe 205034fed0edd3c5d8069c63783b3cfdeba86816e6f1f5f6899add096d482bff

(this sample)

  
Dropped by
MD5 2b000c8b0fe26716d318806b04328657
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/53090/
  
Dropped by
SHA256 0d2f730e4b147a8413e4d9c85a4d73533b170c307797c08dacfa16504976be19

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