MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d83bca79f2bc2c8de276322813a9d775891c8445191f196c302f0965ba62ba3. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: 8d83bca79f2bc2c8de276322813a9d775891c8445191f196c302f0965ba62ba3
SHA3-384 hash: 86205d759d65e8c5ff0c8d78e33b69365309fe2966a5350e7a45bc6fb9c06355e5868c6cc266b0a6917a3802e8aa154f
SHA1 hash: 24265f628a5a89017e28988cdc60a0c893efe84d
MD5 hash: 52497055682fb0d9a199749b03af41f8
humanhash: papa-utah-twelve-spring
File name:00009721_scan -19pdf.exe
Download: download sample
Signature AgentTesla
File size:773'120 bytes
First seen:2023-08-10 06:20:02 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 12288:TmoGGTIYlV2UweHghGYlkFVCziwYUE8VcUQ0lOsZctluAH/Iru+q+fhzSxn:TmoxIYlVNweAhGVFgzPEMl7G/jHqu+qB
Threatray 885 similar samples on MalwareBazaar
TLSH T1B9F412FDB2EB9D30C376153BE76314005379634B6567EB8B140822E5982ABCA7345BCB
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e096962b2b9696e8 (16 x AgentTesla, 4 x Formbook, 2 x RemcosRAT)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
284
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
00009721_scan -19pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-08-10 06:28:11 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
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Gathering data
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 method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1289172 Sample: 00009721_scan_-19pdf.exe Startdate: 10/08/2023 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Sigma detected: Scheduled temp file as task from temp location 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 4 other signatures 2->47 7 00009721_scan_-19pdf.exe 7 2->7         started        11 mbzwiQ.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\Roaming\mbzwiQ.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\Temp\tmp6EA.tmp, XML 7->37 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->49 51 Uses schtasks.exe or at.exe to add and modify task schedules 7->51 53 Adds a directory exclusion to Windows Defender 7->53 13 00009721_scan_-19pdf.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 21 7->19         started        25 2 other processes 7->25 55 Multi AV Scanner detection for dropped file 11->55 57 Machine Learning detection for dropped file 11->57 59 Injects a PE file into a foreign processes 11->59 21 mbzwiQ.exe 11->21         started        23 schtasks.exe 11->23         started        signatures5 process6 dnsIp7 39 cp5ua.hyperhost.ua 91.235.128.141, 49718, 49719, 49720 ITLASUA Ukraine 13->39 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->61 63 Tries to steal Mail credentials (via file / registry access) 21->63 65 Tries to harvest and steal browser information (history, passwords, etc) 21->65 31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-08-09 17:58:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
15 of 36 (41.67%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
SH256 hash:
8973ec20883b3d45af6c843de26bd764bb3ca9346ffe2def89942b1a973f16f0
MD5 hash:
67cda3ec4bee9bf8bb35ea857ac9a5d1
SHA1 hash:
6ca5037103de3a0d69b07610cdb9a4f7ed70c643
SH256 hash:
893b717c3c3041b3cd8c09d7a5f4866adf6b85f2453e665c665d6bc63df50895
MD5 hash:
1014951ae31d73ddf7487a7975668442
SHA1 hash:
1d1ce5e27499f8e782bbc332f5b605f27b74a04c
SH256 hash:
f7cc6f9655032b95ee65c7f347efd280fd7896d0af70f2008c9de3648e6a68bf
MD5 hash:
f6a7096d215e5a8fce65e01d255cb8af
SHA1 hash:
0771a4db9ce95d3e7381da6a6d2b57e3b8de4942
Detections:
AgentTesla
SH256 hash:
8d83bca79f2bc2c8de276322813a9d775891c8445191f196c302f0965ba62ba3
MD5 hash:
52497055682fb0d9a199749b03af41f8
SHA1 hash:
24265f628a5a89017e28988cdc60a0c893efe84d
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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.

Comments