MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c43cecf1b4a2303d2eff66ac49e4539aaaac2605373b98bb03c2867d79f0a784. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: c43cecf1b4a2303d2eff66ac49e4539aaaac2605373b98bb03c2867d79f0a784
SHA3-384 hash: 54212c171cc2c634f566b97e34f5147a6e24f3ccf50dc07258d6b9f13a8f242809467858dc435dc442f3f067ba8de1fb
SHA1 hash: 7303f770274d8e72595def18aa6f230914df1b07
MD5 hash: bf680b81662c34df5c4d4f92644e37b4
humanhash: zebra-magazine-artist-mockingbird
File name:INVOICE.exe
Download: download sample
Signature AgentTesla
File size:604'160 bytes
First seen:2020-10-19 11:27:45 UTC
Last seen:2020-10-19 12:49:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:TvGWXmlDBlDAN4IeG1Z9pS7LESsyKYP54Ggc5P7Qbj+urrbioFTslwyaePA3:TvG0m5B6N7eb7LtBKU54
Threatray 628 similar samples on MalwareBazaar
TLSH 44D48C9C716072EFC857D472DEA82C68EA5064BB931F4213A02716EDEE4D897CF190F2
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
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
May check the online IP address of the machine
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 300137 Sample: INVOICE.exe Startdate: 19/10/2020 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Found malware configuration 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 12 other signatures 2->62 7 INVOICE.exe 6 2->7         started        11 kprUEGC.exe 5 2->11         started        13 kprUEGC.exe 2 2->13         started        process3 file4 36 C:\Users\user\AppData\...\HgfzLXZHkNAAt.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmp1060.tmp, XML 7->38 dropped 40 C:\Users\user\AppData\...\INVOICE.exe.log, ASCII 7->40 dropped 64 Detected unpacking (changes PE section rights) 7->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->66 68 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->68 70 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->70 15 INVOICE.exe 17 5 7->15         started        20 schtasks.exe 1 7->20         started        72 Multi AV Scanner detection for dropped file 11->72 74 Machine Learning detection for dropped file 11->74 76 Injects a PE file into a foreign processes 11->76 22 kprUEGC.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        signatures5 process6 dnsIp7 42 smtp.taiemerica.com 15->42 44 us2.smtp.mailhostbox.com 208.91.199.225, 49754, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->44 46 3 other IPs or domains 15->46 30 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->30 dropped 32 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->32 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Tries to steal Mail credentials (via file access) 15->50 52 Tries to harvest and steal ftp login credentials 15->52 54 3 other signatures 15->54 26 conhost.exe 20->26         started        34 C:\Windows\System32\drivers\etc\hosts, ASCII 22->34 dropped 28 conhost.exe 24->28         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-18 23:34:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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
Unpacked files
SH256 hash:
c43cecf1b4a2303d2eff66ac49e4539aaaac2605373b98bb03c2867d79f0a784
MD5 hash:
bf680b81662c34df5c4d4f92644e37b4
SHA1 hash:
7303f770274d8e72595def18aa6f230914df1b07
SH256 hash:
b905308a43bb5d41b04f812e38084fe2884d281082b061566c2ae45b685ed241
MD5 hash:
43764cbed874115ee4075be2bc38614e
SHA1 hash:
95483838143999177de9025f38d294c75d49dfb1
SH256 hash:
ad33659f6f431a0ec5b3db6e00131243290155dc15fc4004e77945a5dd695140
MD5 hash:
6480693b0e684b40bb7d389884d7ad5c
SHA1 hash:
a82101bdacdccbc435266b9d4a4ff6d7176d367a
SH256 hash:
6e7f84a67b30bba049f4442b3b8e86131aa54d32bbca40b0a9730aba594481cd
MD5 hash:
59814a1f04fac769193f86a3ac9f02ca
SHA1 hash:
e7cd7d0332f2755f767c3195a110e759b0f80d9f
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments