MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb51a582b411e1755ebd796df339387eac441cab0d4d22df6557558255b0c2df. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: eb51a582b411e1755ebd796df339387eac441cab0d4d22df6557558255b0c2df
SHA3-384 hash: 45c19737f38025f2fda60ef37ed9746c6daf95cd6dcfcda6b9e45b51bb61c1a902a5e6e8f343e2948893b3e4f1df6a80
SHA1 hash: 4b60de5dbab15340e374e17e18eab6a1de7bea9c
MD5 hash: b7ab9a340029065e2a75ec5bfd1e11c8
humanhash: paris-lithium-twelve-butter
File name:file.exe
Download: download sample
Signature AgentTesla
File size:467'968 bytes
First seen:2020-10-23 13:55:46 UTC
Last seen:2020-10-23 14:59:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:Us5LGM4cDvQ/ts9gCGBo2XN1gXCZjtZSStEO+zeV4pJDpV0TiCrDlX4:NwM4WQ/c2VPEOX4pJD303I
Threatray 349 similar samples on MalwareBazaar
TLSH DAA4AEB27D92586ECA6E077551A980C0FABA16C73FA08B0D719F430C0F11A2BFB57657
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Sending a UDP request
Creating a window
Creating a file
Running batch commands
Launching a process
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
69 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Creates an autostart registry key pointing to binary in C:\Windows
Drops PE files to the user root directory
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 303209 Sample: file.exe Startdate: 23/10/2020 Architecture: WINDOWS Score: 69 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected AgentTesla 2->35 37 .NET source code contains potential unpacker 2->37 39 2 other signatures 2->39 7 file.exe 9 2->7         started        11 pcalua.exe 1 1 2->11         started        13 pcalua.exe 1 2->13         started        process3 file4 25 C:\Users\user\fhyvsg.exe, PE32 7->25 dropped 27 C:\Users\user\fhyvsg.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 7->29 dropped 31 2 other files (none is malicious) 7->31 dropped 43 Drops PE files to the user root directory 7->43 45 Tries to detect virtualization through RDTSC time measurements 7->45 15 fhyvsg.exe 2 7->15         started        18 cmd.exe 1 7->18         started        signatures5 process6 signatures7 47 Multi AV Scanner detection for dropped file 15->47 49 Machine Learning detection for dropped file 15->49 51 Tries to detect virtualization through RDTSC time measurements 15->51 20 reg.exe 1 1 18->20         started        23 conhost.exe 18->23         started        process8 signatures9 41 Creates an autostart registry key pointing to binary in C:\Windows 20->41
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-23 05:18:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
persistence agilenet
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
ServiceHost packer
Unpacked files
SH256 hash:
eb51a582b411e1755ebd796df339387eac441cab0d4d22df6557558255b0c2df
MD5 hash:
b7ab9a340029065e2a75ec5bfd1e11c8
SHA1 hash:
4b60de5dbab15340e374e17e18eab6a1de7bea9c
SH256 hash:
2a6d897dd893a6c8b9f4b5de0369493981292ce57420be51b98352d98451b57a
MD5 hash:
d0302b1b010b17d35ce5a9030028dbb3
SHA1 hash:
1c4e30736252146301089a6d080990cecbb524f2
SH256 hash:
0fc854e82e40c12de91a8618ce9bc7b57c8863977ad16de5027791805cce4b7f
MD5 hash:
59a00b6fcaea45a3b59d98337f47f06a
SHA1 hash:
427c147a0b90413c92e7029e5009beacf256bf6b
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