MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb4dd3edf769cc39a9c8089a0549bdc8865fa79084dbe045e8e7bae528a48b46. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments

SHA256 hash: fb4dd3edf769cc39a9c8089a0549bdc8865fa79084dbe045e8e7bae528a48b46
SHA3-384 hash: 7264c541d1d2a4f1f2640f051fad63baa1aacade3710490494d79624a92187b61c12a1ff0789a7f208c5b3d6e053aa7b
SHA1 hash: 6eab42b2877b7a541f43e1aad55dc51f23f918cd
MD5 hash: 1b48b0594e69a87da9855a99c019c98d
humanhash: twenty-skylark-berlin-bakerloo
File name:1b48b0594e69a87da9855a99c019c98d.exe
Download: download sample
Signature AgentTesla
File size:418'104 bytes
First seen:2020-11-03 17:26:07 UTC
Last seen:2020-11-03 17:58:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:QVLhX2h3JODJZJvARRaJ9V9MNTBYVAGHbEHDiVnrEicY2fPY2l9:lQ5ARaJ9VSBYVAGHYjiVn4U2l
Threatray 429 similar samples on MalwareBazaar
TLSH EC949E727D92586ECA6B077151B985C1FAB616C73FA08B0D71AF430C0F11A2BEB5325B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.orisinlog.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file
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
Score:
76 / 100
Signature
.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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 308959 Sample: 4YlOH5pJwF.exe Startdate: 04/11/2020 Architecture: WINDOWS Score: 76 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected AgentTesla 2->35 37 .NET source code contains very large array initializations 2->37 7 4YlOH5pJwF.exe 7 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 27 C:\Users\user\dbhy.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\...\4YlOH5pJwF.exe.log, ASCII 7->29 dropped 31 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->31 dropped 43 Drops PE files to the user root directory 7->43 15 cmd.exe 1 7->15         started        17 dbhy.exe 2 7->17         started        19 dbhy.exe 3 11->19         started        signatures5 process6 signatures7 22 reg.exe 1 1 15->22         started        25 conhost.exe 15->25         started        39 Multi AV Scanner detection for dropped file 19->39 process8 signatures9 41 Creates an autostart registry key pointing to binary in C:\Windows 22->41
Threat name:
ByteCode-MSIL.Backdoor.Androm
Status:
Malicious
First seen:
2020-11-03 16:58:12 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Drops file in Drivers directory
Executes dropped EXE
Unpacked files
SH256 hash:
fb4dd3edf769cc39a9c8089a0549bdc8865fa79084dbe045e8e7bae528a48b46
MD5 hash:
1b48b0594e69a87da9855a99c019c98d
SHA1 hash:
6eab42b2877b7a541f43e1aad55dc51f23f918cd
SH256 hash:
85149b884607f6bb7317c7fb893b8cabc550422ecd62bd59509a3d5fcf44b56d
MD5 hash:
a5baef204b1c2470b3692ead91645bcc
SHA1 hash:
636c826cd651b6817711353b140d7960731daec5
SH256 hash:
9f5ee274fcca074e2f2c4d288eabffd330840ef763f1abdc4920ebf5c4cc48b5
MD5 hash:
2f6783d83a90bb92295f8005fb3539fb
SHA1 hash:
b7cef933a9aada1617ce6904ffc1ae997fba7a73
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.

Web download

AgentTesla

Executable exe fb4dd3edf769cc39a9c8089a0549bdc8865fa79084dbe045e8e7bae528a48b46

(this sample)

  
Delivery method
Distributed via web download

Comments