MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2bc9f2091a56e2d7045ddc273ba91462252f51baec6e6e62f6d0a08735564dd. 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: c2bc9f2091a56e2d7045ddc273ba91462252f51baec6e6e62f6d0a08735564dd
SHA3-384 hash: 88fb85904f07a63911fe7030315d3b611b48b729987d3b2cefb882f4cac2b47a967d4b6809bce7306e7c5b8309fcf9cc
SHA1 hash: 127c636848aff40eb37c0bdb325ec7d1c4c3bfca
MD5 hash: 1a25e75693b99ad09e55aea29c6f2775
humanhash: queen-don-winner-three
File name:Client Information.pdf..exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:731'136 bytes
First seen:2020-07-28 11:41:47 UTC
Last seen:2020-07-28 21:03:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:TymKSwkEmVPEg9yq36Nj0fFzBhMfqesO3pRaEP8UYeW:JKSwWPEdE6NjWThEnHK
Threatray 10'640 similar samples on MalwareBazaar
TLSH 5DF4D75250FC17DBE6168778602781A51F16BEB4EA72CD2F1D2EF4E716B1FE82093902
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
4
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/33615/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.52692.5963.27563.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Using the Windows Management Instrumentation requests
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/400234
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
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 signatures2 2 Behavior Graph ID: 252491 Sample: Client Information.pdf..exe Startdate: 28/07/2020 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 9 other signatures 2->58 8 Client Information.pdf..exe 7 2->8         started        11 oPLNOE.exe 2 2->11         started        13 oPLNOE.exe 1 2->13         started        15 wuapihost.exe 2->15         started        process3 file4 40 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp8F23.tmp, XML 8->42 dropped 44 C:\...\&startupname&.exe:Zone.Identifier, ASCII 8->44 dropped 46 C:\Users\...\Client Information.pdf..exe.log, ASCII 8->46 dropped 17 RegSvcs.exe 2 4 8->17         started        22 RegSvcs.exe 8->22         started        24 schtasks.exe 1 8->24         started        26 conhost.exe 11->26         started        28 conhost.exe 13->28         started        process5 dnsIp6 48 stankovic.hr 89.201.175.36, 49744, 587 OT-ASHR Croatia (LOCAL Name: Hrvatska) 17->48 50 mail.stankovic.hr 17->50 36 C:\Users\user\AppData\Roaming\...\oPLNOE.exe, PE32 17->36 dropped 38 C:\Windows\System32\drivers\etc\hosts, ASCII 17->38 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->60 62 Tries to steal Mail credentials (via file access) 17->62 64 Tries to harvest and steal ftp login credentials 17->64 70 3 other signatures 17->70 30 reg.exe 1 17->30         started        66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->66 68 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->68 32 conhost.exe 24->32         started        file7 signatures8 process9 process10 34 conhost.exe 30->34         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c2bc9f2091a56e2d7045ddc273ba91462252f51baec6e6e62f6d0a08735564dd/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-28 08:16:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yk6j6ieruvxc24cf3xbhhouriyrff5i3v3donzrpnufaq42vmtoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'630 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200728-fanlav1cya/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Modifies registry key
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Drops file in Drivers directory
AgentTesla
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/c2bc9f2091a56e2d7045ddc273ba91462252f51baec6e6e62f6d0a08735564dd

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

zip 34d515aeda5621856ea5e921cc28cf1f31d1c9cb44ee2a46688989a20c4e33e8

AgentTesla

Executable exe c2bc9f2091a56e2d7045ddc273ba91462252f51baec6e6e62f6d0a08735564dd

(this sample)

  
Dropped by
MD5 fd4d81a28cdff72411f7b43be685b45e
  
Dropped by
SHA256 34d515aeda5621856ea5e921cc28cf1f31d1c9cb44ee2a46688989a20c4e33e8
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/33615/

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