MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a05f095a607b11fec6ad7e90f87cbb51d41b3b2911c54630e819c84ab6900b7. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments

SHA256 hash: 0a05f095a607b11fec6ad7e90f87cbb51d41b3b2911c54630e819c84ab6900b7
SHA3-384 hash: dbc6fab0ba8d86210a0fd85f4a3c6c623d77fe4ebf626bd7c5d96a18dcf22de23e8e834874c71623714e50ee431d5ab9
SHA1 hash: b7fe021e563304860847286323ade58d5fab175f
MD5 hash: 68b879be204b03f9a594a25014a1b232
humanhash: ink-foxtrot-uniform-twelve
File name:Quote#2310303384.pdf.exe
Download: download sample
Signature AgentTesla
File size:1'085'440 bytes
First seen:2023-10-31 07:33:25 UTC
Last seen:Never
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:qbrZD0QxyHwIwAeTd7xdDcpATJcZpWhC9FaqmRh3o+RZF:qlPIwAeTd7xdYpoYvdmFRZ
Threatray 6 similar samples on MalwareBazaar
TLSH T1CA358D50E2F5674DF4DA56369E3053E4A2B26863B726E34ACC00E55A782C7D7CEC07A3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
349
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Quote#2310303384.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-10-31 10:44:23 UTC
Tags:
stealer agenttesla

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

Behaviour
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
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
Blocking the User Account Control
Enabling autorun by creating a file
Adding exclusions to Windows Defender
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains process injector
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Creates multiple autostart registry keys
Disables UAC (registry)
Drops PE files with benign system names
Found malware configuration
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Schedule system process
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry 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
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1334744 Sample: Quote#2310303384.pdf.exe Startdate: 31/10/2023 Architecture: WINDOWS Score: 100 70 mail.planeteducation.info 2->70 72 emaila.planeteducation.info 2->72 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus / Scanner detection for submitted sample 2->82 84 10 other signatures 2->84 10 svchost.exe 2 4 2->10         started        13 Quote#2310303384.pdf.exe 1 7 2->13         started        16 svchost.exe 2->16         started        18 4 other processes 2->18 signatures3 process4 dnsIp5 100 Antivirus detection for dropped file 10->100 102 Multi AV Scanner detection for dropped file 10->102 104 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->104 118 2 other signatures 10->118 21 CasPol.exe 10->21         started        25 powershell.exe 10->25         started        68 C:\Users\user\AppData\Roaming\svchost.exe, PE32 13->68 dropped 106 Creates multiple autostart registry keys 13->106 108 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->108 110 Drops PE files with benign system names 13->110 27 cmd.exe 1 13->27         started        29 cmd.exe 1 13->29         started        112 Writes to foreign memory regions 16->112 114 Adds a directory exclusion to Windows Defender 16->114 116 Injects a PE file into a foreign processes 16->116 31 AddInProcess32.exe 16->31         started        37 2 other processes 16->37 74 127.0.0.1 unknown unknown 18->74 33 CasPol.exe 18->33         started        35 powershell.exe 18->35         started        39 2 other processes 18->39 file6 signatures7 process8 file9 66 C:\Users\user\AppData\Roaming\...\WabOCM.exe, PE32 21->66 dropped 86 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->86 88 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->88 90 Tries to steal Mail credentials (via file / registry access) 21->90 92 Creates multiple autostart registry keys 21->92 41 conhost.exe 25->41         started        43 svchost.exe 3 27->43         started        46 conhost.exe 27->46         started        48 timeout.exe 1 27->48         started        94 Uses schtasks.exe or at.exe to add and modify task schedules 29->94 50 conhost.exe 29->50         started        52 schtasks.exe 1 29->52         started        96 Tries to harvest and steal browser information (history, passwords, etc) 31->96 98 Hides that the sample has been downloaded from the Internet (zone.identifier) 31->98 54 conhost.exe 35->54         started        56 conhost.exe 37->56         started        signatures10 process11 signatures12 120 Adds a directory exclusion to Windows Defender 43->120 58 CasPol.exe 43->58         started        62 powershell.exe 43->62         started        process13 dnsIp14 76 emaila.planeteducation.info 131.153.100.231, 49718, 49719, 49723 SS-ASHUS United States 58->76 122 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 58->122 124 Tries to steal Mail credentials (via file / registry access) 58->124 126 Hides that the sample has been downloaded from the Internet (zone.identifier) 58->126 64 conhost.exe 62->64         started        signatures15 process16
Threat name:
ByteCode-MSIL.Trojan.Negasteal
Status:
Malicious
First seen:
2023-10-30 22:33:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Windows security modification
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
0a05f095a607b11fec6ad7e90f87cbb51d41b3b2911c54630e819c84ab6900b7
MD5 hash:
68b879be204b03f9a594a25014a1b232
SHA1 hash:
b7fe021e563304860847286323ade58d5fab175f
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AgentTesla

Executable exe 0a05f095a607b11fec6ad7e90f87cbb51d41b3b2911c54630e819c84ab6900b7

(this sample)

  
Delivery method
Distributed via e-mail attachment

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