MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66835cb6c3d29e2492452fd43a1e552df65ece1b59a048f21dcf0a700f769db7. 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 4 File information Comments

SHA256 hash: 66835cb6c3d29e2492452fd43a1e552df65ece1b59a048f21dcf0a700f769db7
SHA3-384 hash: e565f13bf9fbca55affc85b359e8eb9bfa0823140b2581a6951c2337d9f2f27068f1de4711db4123d986f884a1966148
SHA1 hash: 4357c95b22bd16d3f0f5d86b2faf04d4feac1b18
MD5 hash: 8c434d39e5a0336f6e215d3a3603ea78
humanhash: one-kentucky-emma-xray
File name:AWB#Tracking39098373.exe
Download: download sample
Signature AgentTesla
File size:706'560 bytes
First seen:2023-10-09 18:07:53 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:Z02iN1BdcTsjSLSGuOXbTmSnoEK+gzjFoONnkQr5NtiA4jaG8BsjQDBk:Z01nMwjKSvyeS5gzjFzNkKtFGs3
Threatray 192 similar samples on MalwareBazaar
TLSH T185E4124533B48F06E5BC8BF512F254A963B5BE396B50CF5D1E8522CE19B2B1183127E3
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 30e8dcbaa2c6e871 (11 x AgentTesla, 1 x Neshta)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
306
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
AWB#Tracking39098373.exe
Verdict:
Malicious activity
Analysis date:
2023-10-09 18:56:03 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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
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)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1322365 Sample: AWB#Tracking39098373.exe Startdate: 09/10/2023 Architecture: WINDOWS Score: 100 38 api4.ipify.org 2->38 40 api.telegram.org 2->40 42 api.ipify.org 2->42 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 9 other signatures 2->54 8 AWB#Tracking39098373.exe 6 2->8         started        12 STuGhguJkH.exe 4 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\STuGhguJkH.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmpC855.tmp, XML 8->36 dropped 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->56 58 Uses schtasks.exe or at.exe to add and modify task schedules 8->58 60 Adds a directory exclusion to Windows Defender 8->60 62 Injects a PE file into a foreign processes 8->62 14 AWB#Tracking39098373.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        64 Multi AV Scanner detection for dropped file 12->64 22 STuGhguJkH.exe 12->22         started        24 schtasks.exe 12->24         started        26 STuGhguJkH.exe 12->26         started        signatures6 process7 dnsIp8 44 api4.ipify.org 104.237.62.212, 443, 49712, 49714 WEBNXUS United States 14->44 46 api.telegram.org 149.154.167.220, 443, 49713, 49715 TELEGRAMRU United Kingdom 14->46 66 Installs a global keyboard hook 14->66 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->68 70 Tries to steal Mail credentials (via file / registry access) 22->70 72 Tries to harvest and steal browser information (history, passwords, etc) 22->72 32 conhost.exe 24->32         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-09 18:06:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
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:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
SH256 hash:
7a49f373d65715c23a6394f7670c27341adc254a24a7cdc0bbfcd30045e8ba95
MD5 hash:
54d2392c39350e222513ddf104a4d9c4
SHA1 hash:
ab1eabb8f5e915b179d4142d4b65b049c007bb3f
SH256 hash:
dcee12b911b0582a7f7b122a429c50db8d5182c0eac988cfba4e428cf58814cc
MD5 hash:
8b8e6fb6e314bd294187a1a4fae27ea7
SHA1 hash:
a9adb26756634632e6155a58d242f2bb37abd9dd
SH256 hash:
eddfd3c2c87f34e18c8c1ef49a4fd22ea9b67bd01752f592da2b3a38146ae28f
MD5 hash:
6d33e3656851f9e908012b4d992f2470
SHA1 hash:
664e6465a69bc04301564049e7c06d695387a822
Detections:
win_agent_tesla_g2
SH256 hash:
66835cb6c3d29e2492452fd43a1e552df65ece1b59a048f21dcf0a700f769db7
MD5 hash:
8c434d39e5a0336f6e215d3a3603ea78
SHA1 hash:
4357c95b22bd16d3f0f5d86b2faf04d4feac1b18
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:NETexecutableMicrosoft
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.

  
Delivery method
Other

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