MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e7bd0a2c83baca8fac289c1b43a3922ba487b2e7eddb13d82e584d6bdc0086b2. 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: e7bd0a2c83baca8fac289c1b43a3922ba487b2e7eddb13d82e584d6bdc0086b2
SHA3-384 hash: 4523a7cdcb2497d0c850ecde7f68ab373be1abd79a4baf1273a2fc0b407a77f81033b8488ec117fc3c31422b0e803276
SHA1 hash: 240e246ba21a2c6dab3f42827d1ae20a1b5e6c84
MD5 hash: 84e1cb63f8b14e90fd69c537525e52bd
humanhash: ack-harry-minnesota-red
File name:BL-LADING#ATA-3678920.exe
Download: download sample
Signature AgentTesla
File size:925'696 bytes
First seen:2020-09-11 05:13:22 UTC
Last seen:2020-09-14 12:40:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:dfpDu8r9oxpGI4qG7B48ncDHxgJecqbSb82hhJutU07SJ+l:3Dx9onOBkHBt2b82hhIi
Threatray 10'355 similar samples on MalwareBazaar
TLSH 5C15CF503AA84B16D0B87BF0147A71983BB53DD5A821FE0F2D8579DF2933B91A2C1637
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
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
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)
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 284303 Sample: BL-LADING#ATA-3678920.exe Startdate: 11/09/2020 Architecture: WINDOWS Score: 100 65 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->65 67 Found malware configuration 2->67 69 Multi AV Scanner detection for dropped file 2->69 71 8 other signatures 2->71 8 BL-LADING#ATA-3678920.exe 6 2->8         started        12 gKWBf.exe 5 2->12         started        14 gKWBf.exe 2->14         started        process3 file4 53 C:\Users\user\AppData\...\HFTyIVpPDTQyP.exe, PE32 8->53 dropped 55 C:\Users\user\AppData\Local\...\tmp8326.tmp, XML 8->55 dropped 57 C:\Users\...\BL-LADING#ATA-3678920.exe.log, ASCII 8->57 dropped 85 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->85 87 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->87 89 Injects a PE file into a foreign processes 8->89 16 BL-LADING#ATA-3678920.exe 2 5 8->16         started        21 schtasks.exe 1 8->21         started        23 BL-LADING#ATA-3678920.exe 8->23         started        25 BL-LADING#ATA-3678920.exe 8->25         started        91 Multi AV Scanner detection for dropped file 12->91 93 Machine Learning detection for dropped file 12->93 27 gKWBf.exe 2 12->27         started        29 schtasks.exe 1 12->29         started        31 schtasks.exe 14->31         started        33 gKWBf.exe 14->33         started        35 gKWBf.exe 14->35         started        signatures5 process6 dnsIp7 59 yitaipackaging.com 35.213.167.237, 49740, 49759, 587 GOOGLEUS United States 16->59 61 mail.yitaipackaging.com 16->61 47 C:\Users\user\AppData\Roaming\...\gKWBf.exe, PE32 16->47 dropped 49 C:\Windows\System32\drivers\etc\hosts, ASCII 16->49 dropped 51 C:\Users\user\...\gKWBf.exe:Zone.Identifier, ASCII 16->51 dropped 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->73 75 Tries to steal Mail credentials (via file access) 16->75 77 Modifies the hosts file 16->77 37 reg.exe 16->37         started        39 conhost.exe 21->39         started        63 mail.yitaipackaging.com 27->63 79 Tries to harvest and steal ftp login credentials 27->79 81 Tries to harvest and steal browser information (history, passwords, etc) 27->81 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->83 41 conhost.exe 29->41         started        43 conhost.exe 31->43         started        file8 signatures9 process10 process11 45 conhost.exe 37->45         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-09-11 01:58:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
70
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
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.

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 e7bd0a2c83baca8fac289c1b43a3922ba487b2e7eddb13d82e584d6bdc0086b2

(this sample)

Comments