MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1395db9fa2a7eecd6a4655b455a92e3e5562b4d3f8b9ea385950ca160051b749. 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: 1395db9fa2a7eecd6a4655b455a92e3e5562b4d3f8b9ea385950ca160051b749
SHA3-384 hash: 69f4bbdb6843736566d7b83d7f8a43c1383dd257956c702505ad4147f24162d47c1fb455528603326783e156ea72d707
SHA1 hash: c89810519176e2f42652550e7789ef8b457de01f
MD5 hash: 33e3f429525c50d7163da230df2034da
humanhash: two-carolina-seventeen-lion
File name:RF-29339.exe
Download: download sample
Signature AgentTesla
File size:463'872 bytes
First seen:2020-10-27 20:08:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:rlzdTZ4rjNxG/i/OfFGr6nFd9XTO6KIEtY5cmVrm:rV/4rjvGiO9C6nFd9jO6KITpr
Threatray 389 similar samples on MalwareBazaar
TLSH 1FA4A0B23D52987ECA6B077545A985C0FAB616C73FA48B0D71AB430C0F11A1FEB5364B
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
88
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:
88 / 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
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: 306191 Sample: RF-29339.exe Startdate: 27/10/2020 Architecture: WINDOWS Score: 88 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 39 Machine Learning detection for sample 2->39 7 RF-29339.exe 9 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 27 C:\Users\user\gbsg.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 7->29 dropped 31 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->31 dropped 49 Drops PE files to the user root directory 7->49 51 Tries to detect virtualization through RDTSC time measurements 7->51 15 cmd.exe 1 7->15         started        17 gbsg.exe 2 7->17         started        19 gbsg.exe 3 11->19         started        signatures5 process6 signatures7 22 reg.exe 1 1 15->22         started        25 conhost.exe 15->25         started        41 Multi AV Scanner detection for dropped file 19->41 43 Machine Learning detection for dropped file 19->43 45 Tries to detect virtualization through RDTSC time measurements 19->45 process8 signatures9 47 Creates an autostart registry key pointing to binary in C:\Windows 22->47
Threat name:
ByteCode-MSIL.Infostealer.Stelega
Status:
Malicious
First seen:
2020-10-27 07:31:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 29 (72.41%)
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
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.

Comments