MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0c39b4af77c7279bf8a36e9e337f0ca1af96ca31c1fda5599c5dc8183118e54c. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 0c39b4af77c7279bf8a36e9e337f0ca1af96ca31c1fda5599c5dc8183118e54c
SHA3-384 hash: 2fc835021bf42bf9bd80592ed3a45146ed4c9b647a19fba5d77ecaad4e32ca3d1673eebaade7e14a2b1c847729835f6d
SHA1 hash: 352ad790c8582959f43c453d4918f02a0333afdc
MD5 hash: c7685d6c04940a9a9bdce7645ad5121d
humanhash: carpet-florida-alanine-monkey
File name:DOC.exe
Download: download sample
Signature AgentTesla
File size:784'384 bytes
First seen:2020-07-17 17:41:22 UTC
Last seen:2020-07-18 15:16:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:0DhWUu2k4zUTyRNqW6UYUqQuQg4Bd91uFG+tVG3a00kflMuDTZjaaaaaT5Uaaaaa:EEZyRN694BQdV
Threatray 11'120 similar samples on MalwareBazaar
TLSH A7F4D2EA20FC21EFE40D4E394516DA395E103E31F6B7990E52E23DEB7638F86C612951
Reporter jarumlus
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
3
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Connection attempt to an infection source
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
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
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 signatures2 2 Behavior Graph ID: 246792 Sample: DOC.exe Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->62 64 Found malware configuration 2->64 66 Multi AV Scanner detection for dropped file 2->66 68 6 other signatures 2->68 8 DOC.exe 5 2->8         started        11 sLbGMVN.exe 2 2->11         started        13 sLbGMVN.exe 1 2->13         started        process3 file4 38 C:\Users\user\AppData\...\vTIClpBZBl.exe, PE32 8->38 dropped 40 C:\Users\...\vTIClpBZBl.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp5190.tmp, XML 8->42 dropped 44 C:\Users\user\AppData\Local\...\DOC.exe.log, ASCII 8->44 dropped 15 RegSvcs.exe 2 4 8->15         started        20 RegSvcs.exe 8->20         started        22 schtasks.exe 1 8->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        process5 dnsIp6 46 aquariuslogistics.com 209.99.16.206, 49711, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->46 48 mail.aquariuslogistics.com 15->48 34 C:\Users\user\AppData\Roaming\...\sLbGMVN.exe, PE32 15->34 dropped 36 C:\Windows\System32\drivers\etc\hosts, ASCII 15->36 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Tries to steal Mail credentials (via file access) 15->52 54 Tries to harvest and steal ftp login credentials 15->54 60 3 other signatures 15->60 28 reg.exe 1 15->28         started        56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->56 58 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->58 30 conhost.exe 22->30         started        file7 signatures8 process9 process10 32 conhost.exe 28->32         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-16 13:25:15 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Modifies registry key
Creates scheduled task(s)
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.

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 0c39b4af77c7279bf8a36e9e337f0ca1af96ca31c1fda5599c5dc8183118e54c

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

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