MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3333a191bc36b4a7a76e51c0b7b83c5d2b7d253f074789c2302ec598c30711b3. 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 File information Comments

SHA256 hash: 3333a191bc36b4a7a76e51c0b7b83c5d2b7d253f074789c2302ec598c30711b3
SHA3-384 hash: 0a066979374e875453e3a5d3289540c12db23bfae3c9f1c5e8daf832d118df2e47b31d16c5947ea0f13112cfbc13b4eb
SHA1 hash: 3f83730f63a233a6b37528b0fe8326d5ece24586
MD5 hash: 0812e6b42bce4af2abf9b12bbe8379a8
humanhash: oven-early-five-charlie
File name:Swift copy.pdf.-..exe
Download: download sample
Signature AgentTesla
File size:558'592 bytes
First seen:2020-08-19 05:49:18 UTC
Last seen:2020-08-22 22:03:22 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:jxtvhhpd5bivtyaYmYTbUSnFdRN2DGv6bw+V4Y1Jh:jxtJ7d5OvtEm6QSnXRsDy6bwVY1Jh
Threatray 10'510 similar samples on MalwareBazaar
TLSH C0C402A750A52368C42C74F9901109E346B7DC6B861DF6A601F837BD15BE623CF2A73E
Reporter jarumlus
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
67
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
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)
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 steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 270613 Sample: Swift copy.pdf.-..exe Startdate: 19/08/2020 Architecture: WINDOWS Score: 100 30 Yara detected AgentTesla 2->30 32 Yara detected AntiVM_3 2->32 34 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 2->34 36 4 other signatures 2->36 6 BAVLA.exe 3 2->6         started        9 Swift copy.pdf.-..exe 3 2->9         started        12 BAVLA.exe 2 2->12         started        process3 file4 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->38 40 Machine Learning detection for dropped file 6->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->42 44 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 6->44 14 BAVLA.exe 2 6->14         started        28 C:\Users\user\...\Swift copy.pdf.-..exe.log, ASCII 9->28 dropped 46 Injects a PE file into a foreign processes 9->46 17 Swift copy.pdf.-..exe 2 5 9->17         started        20 BAVLA.exe 2 12->20         started        22 BAVLA.exe 12->22         started        signatures5 process6 file7 48 Tries to harvest and steal browser information (history, passwords, etc) 14->48 24 C:\Users\user\AppData\Roaming\...\BAVLA.exe, PE32 17->24 dropped 26 C:\Users\user\...\BAVLA.exe:Zone.Identifier, ASCII 17->26 dropped 50 Tries to steal Mail credentials (via file access) 17->50 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->52 signatures8
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-19 02:39:21 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

AgentTesla

Executable exe 3333a191bc36b4a7a76e51c0b7b83c5d2b7d253f074789c2302ec598c30711b3

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

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