MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca234bdfdc04c80cb6cc73404b443702b149c2399242dc484b650db30785bd89. 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
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SHA256 hash: ca234bdfdc04c80cb6cc73404b443702b149c2399242dc484b650db30785bd89
SHA3-384 hash: 112ff0cab21ab23a33e5d170f3e879504b2aaaea472e6d530c5f0152e22566aea66eac7c070e890993fc85d2e79b39e3
SHA1 hash: a506d1c4884ef95db869d99086afafdfe9a798f8
MD5 hash: bc6dc91bcdd20acd74711613f48ad505
humanhash: idaho-kitten-five-chicken
File name:payment advice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:760'832 bytes
First seen:2020-08-26 20:52:03 UTC
Last seen:2020-08-26 22:01:39 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:R8AHaRgwyhbTXE9X1ICwpjuDkPJ7Kja4vrnT3rX4f2SK02kb3p4f9snLAEkVrb:R8AUUEULpCCMTnzz49K
Threatray 9'869 similar samples on MalwareBazaar
TLSH AEF4E09C3608B6DFC8ABCC76895C2C24A6507877971FE207A09312ED998D9DBCF151E3
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/51462/
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.18598.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/452079
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 278439 Sample: payment advice.exe Startdate: 27/08/2020 Architecture: WINDOWS Score: 100 62 smtp.uwcelectric.com 2->62 64 smtp.mailhostbox.com 2->64 66 g.msn.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 11 other signatures 2->74 9 payment advice.exe 7 2->9         started        13 WCPCe.exe 5 2->13         started        15 WCPCe.exe 4 2->15         started        signatures3 process4 file5 50 C:\Users\user\AppData\...\JAEbmZizIpbS.exe, PE32 9->50 dropped 52 C:\Users\...\JAEbmZizIpbS.exe:Zone.Identifier, ASCII 9->52 dropped 54 C:\Users\user\AppData\Local\...\tmp93E9.tmp, XML 9->54 dropped 56 C:\Users\user\...\payment advice.exe.log, ASCII 9->56 dropped 86 Injects a PE file into a foreign processes 9->86 17 payment advice.exe 2 5 9->17         started        22 schtasks.exe 1 9->22         started        24 payment advice.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 Machine Learning detection for dropped file 13->92 94 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->94 26 WCPCe.exe 13->26         started        28 schtasks.exe 13->28         started        30 WCPCe.exe 15->30         started        32 schtasks.exe 15->32         started        signatures6 process7 dnsIp8 58 smtp.uwcelectric.com 17->58 60 smtp.mailhostbox.com 162.222.225.57, 49734, 587 PUBLIC-DOMAIN-REGISTRYUS United States 17->60 44 C:\Users\user\AppData\Roaming\...\WCPCe.exe, PE32 17->44 dropped 46 C:\Windows\System32\drivers\etc\hosts, ASCII 17->46 dropped 48 C:\Users\user\...\WCPCe.exe:Zone.Identifier, ASCII 17->48 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 34 reg.exe 17->34         started        36 conhost.exe 22->36         started        82 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->82 38 conhost.exe 28->38         started        40 conhost.exe 32->40         started        file9 signatures10 process11 process12 42 conhost.exe 34->42         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca234bdfdc04c80cb6cc73404b443702b149c2399242dc484b650db30785bd89/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-26 20:30:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ziruxx64ateaznwmonaewrbxakyutqrzsjbnysclmug3gb4fxweq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 9'859 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200826-blqlwchesx/
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ca234bdfdc04c80cb6cc73404b443702b149c2399242dc484b650db30785bd89

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/51462/

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