MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8435458c2aef3a87cff8443f42436fcac89c82fdeeb0d92a74a5e446710f70f6. 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: 8435458c2aef3a87cff8443f42436fcac89c82fdeeb0d92a74a5e446710f70f6
SHA3-384 hash: 17084a1d85422e42a7e3f709ba91e1c19fa8c6e1bee15146ceefc3623b981b4c9cdcdfac5c58d2e061ec553bdc31dd5a
SHA1 hash: 8539d7c786544002a2c36b93e3555fe1e3084f17
MD5 hash: 3188f8e6d957f314ff7c45d6f3df2b05
humanhash: ack-uranus-massachusetts-minnesota
File name:SHIPPING INVOICE.pdf.exe
Download: download sample
Signature AgentTesla
File size:1'230'848 bytes
First seen:2020-12-21 14:15:13 UTC
Last seen:2020-12-21 15:47:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:wzwEYVtVhbdzCdvojUcBuNEARa9m4NFpFPEU6wLPX:bLtVHMvNgfARa9mIp76o
Threatray 1'957 similar samples on MalwareBazaar
TLSH 8345BE3425EE561BF173AF755AE035969FEEFE726702D44D289033CA0632F40CE9162A
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SHIPPING INVOICE.pdf.exe
Verdict:
Malicious activity
Analysis date:
2020-12-21 14:18:40 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Enabling autorun by creating a file
Result
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Binary contains a suspicious time stamp
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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
Sigma detected: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-12-21 04:12:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
8435458c2aef3a87cff8443f42436fcac89c82fdeeb0d92a74a5e446710f70f6
MD5 hash:
3188f8e6d957f314ff7c45d6f3df2b05
SHA1 hash:
8539d7c786544002a2c36b93e3555fe1e3084f17
SH256 hash:
55abf08a6a6ab7c7848a2bc0410d84befe6dcfa118336e2e4f1ee456a8009efc
MD5 hash:
6ce9761c3c3ae715d40a77b982d31dc9
SHA1 hash:
42a5a02eabe7d80d79408549e7686d4e44524361
SH256 hash:
5e09f64eceb13fa160476726fbe2bdab4c698117322e74a2188791f347f19d46
MD5 hash:
8f01a945bae29d344134e05d0822b4e9
SHA1 hash:
50dc568db3cc0c85fa358d5c8fd5f7eb73536efd
SH256 hash:
2c7004e7a72832def4884e7a9286e8dd5dc521f351d8f93266c12c81837ddcae
MD5 hash:
6a6309f00edaa8d73eb13fa88249f8a5
SHA1 hash:
b543dd2cbf19f5f2f42b54e9890a10093e4a9e7f
SH256 hash:
c555ea6a9b58bc2266b8b99f747e0ec3db66f71468bef7195ead5b07d1010e1c
MD5 hash:
cd8133b80e85b1d14491c212c53847b5
SHA1 hash:
d4c92392aee86efb90b5fc30ffed50693b280b38
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:MALWARE_Win_AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
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