MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe200cf4827d467a2915295f0b092c7afedfc13dde1381a74bb884e2baceb44c. 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

SHA256 hash: fe200cf4827d467a2915295f0b092c7afedfc13dde1381a74bb884e2baceb44c
SHA3-384 hash: ac6818b5bddd191a5c7e01b9eb53631befa22b0ad2ee0a0f7723c2a389e19ea93e8a094713ad1ae145dd65b44a5dc7e1
SHA1 hash: 6bdc2ac56290abdc35be53cdc1e697166c203d81
MD5 hash: 91d8c3dbdbe3db1041f438046e1bc0e0
humanhash: uncle-california-early-bluebird
File name:DOC.exe
Download: download sample
Signature AgentTesla
File size:774'144 bytes
First seen:2020-07-17 06:09:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:4A2iN92k4zUpalwH/pDQe5z7MUy8LzMmF/pppppppppppppppppppppppppppppG:l1HuG+mz7t9xY
Threatray 11'362 similar samples on MalwareBazaar
TLSH C0F4CFCAE9009565DE5D6F754A72CD300722BD39F8F0A56C27D9BE2B3ABB283D016053
Reporter jarumlus
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Enabling autorun with Startup directory
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 246674 Sample: DOC.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 53 cdn.onenote.net 2->53 67 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->67 69 Found malware configuration 2->69 71 Antivirus detection for dropped file 2->71 73 6 other signatures 2->73 9 DOC.exe 5 2->9         started        12 CpSnJ.exe 2 2->12         started        14 CpSnJ.exe 1 2->14         started        signatures3 process4 file5 41 C:\Users\user\AppData\Roaming\cFIBIw.exe, PE32 9->41 dropped 43 C:\Users\user\...\cFIBIw.exe:Zone.Identifier, ASCII 9->43 dropped 45 C:\Users\user\AppData\Local\Temp\tmp515.tmp, XML 9->45 dropped 47 C:\Users\user\AppData\Local\...\DOC.exe.log, ASCII 9->47 dropped 16 RegSvcs.exe 2 4 9->16         started        21 RegSvcs.exe 9->21         started        23 schtasks.exe 1 9->23         started        25 RegSvcs.exe 9->25         started        27 conhost.exe 12->27         started        29 conhost.exe 14->29         started        process6 dnsIp7 49 varda.com.tr 5.2.84.160, 49739, 587 ALASTYRTR Turkey 16->49 51 mail.varda.com.tr 16->51 37 C:\Users\user\AppData\Local\...\CpSnJ.exe, PE32 16->37 dropped 39 C:\Windows\System32\drivers\etc\hosts, ASCII 16->39 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->55 57 Tries to steal Mail credentials (via file access) 16->57 59 Tries to harvest and steal ftp login credentials 16->59 65 3 other signatures 16->65 31 reg.exe 1 16->31         started        61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 21->63 33 conhost.exe 23->33         started        file8 signatures9 process10 process11 35 conhost.exe 31->35         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-15 18:50:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Drops file in Drivers directory
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

Executable exe fe200cf4827d467a2915295f0b092c7afedfc13dde1381a74bb884e2baceb44c

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

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