MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37f769d4e4ac1afbb5dd9ce6efb6e8d153021867e2b74091a2a165d295e3213f. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments

SHA256 hash: 37f769d4e4ac1afbb5dd9ce6efb6e8d153021867e2b74091a2a165d295e3213f
SHA3-384 hash: 6d24ba8687020f384e18df22e15ca073b8cc63f15215ba84773724e511e67921aee331cc46ed9f3e092f96fde4ff271f
SHA1 hash: 1235d454b8b6fdf4fa3eff9c7668087dec33080a
MD5 hash: 14b4bc0a106a5ce5570a0386217ea290
humanhash: steak-king-oxygen-tennis
File name:SecuriteInfo.com.W32.AIDetectNet.01.26751.2793
Download: download sample
Signature AgentTesla
File size:523'776 bytes
First seen:2022-06-21 09:53:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:PdvLfNVt0ncsOznY2TvkPxVhgevkqxK1CrU+d4stt4g:1vDrt0nn8nJvk53kCoQzig
Threatray 18'262 similar samples on MalwareBazaar
TLSH T143B4E0F08FF4B966E56522733094607C77E30D1EDC91A436DA9BF48E34A2AC164E0E1B
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 649461 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 21/06/2022 Architecture: WINDOWS Score: 100 31 server53.web-hosting.com 2->31 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 5 other signatures 2->41 7 SecuriteInfo.com.W32.AIDetectNet.01.26751.exe 3 2->7         started        11 TmZaMAa.exe 3 2->11         started        13 TmZaMAa.exe 2 2->13         started        signatures3 process4 file5 25 SecuriteInfo.com.W...et.01.26751.exe.log, ASCII 7->25 dropped 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 15 SecuriteInfo.com.W32.AIDetectNet.01.26751.exe 2 5 7->15         started        19 SecuriteInfo.com.W32.AIDetectNet.01.26751.exe 7->19         started        47 Multi AV Scanner detection for dropped file 11->47 21 TmZaMAa.exe 2 11->21         started        23 TmZaMAa.exe 13->23         started        signatures6 process7 file8 27 C:\Users\user\AppData\Roaming\...\TmZaMAa.exe, PE32 15->27 dropped 29 C:\Users\user\...\TmZaMAa.exe:Zone.Identifier, ASCII 15->29 dropped 33 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->33 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-21 07:12:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
5d821124115ccb7c8ab2286b4845486fd8d33883079af77240317b8978d60c00
MD5 hash:
c8f3617dc799b7fc719ba42f3251aecd
SHA1 hash:
3ee6dbd3f0d2959469f2bcd12a39d25d8fe5ac1c
SH256 hash:
791c583788399a164880072100a1910be6a1c6aa05568d57e0110771d765496f
MD5 hash:
1b4d6a262e48aebe8d26761fb19c58bc
SHA1 hash:
bdb5cd7cfe1f410b31095f24760d2d039a4d5e54
SH256 hash:
6de8bc7d4844efdb55328126b632a374bee9aaf3073cf9ca5fe5fdf303106f8e
MD5 hash:
7ce2d10bd0f02667bc0e1343d9ffc1c1
SHA1 hash:
c3a5b4e5721085022eb7bf0008b7e449f9369fcf
SH256 hash:
9168bf8f055bbaf60630375f130577d45c9fb532204a9c373169ddf8c7dfcc2a
MD5 hash:
29477f425d6c631468a2233cbbee919b
SHA1 hash:
fa6d8c94952d076c3bef0d9edb704262793a0fea
SH256 hash:
37f769d4e4ac1afbb5dd9ce6efb6e8d153021867e2b74091a2a165d295e3213f
MD5 hash:
14b4bc0a106a5ce5570a0386217ea290
SHA1 hash:
1235d454b8b6fdf4fa3eff9c7668087dec33080a
Malware family:
AgentTesla.v3
Verdict:
Malicious
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_ab4444e9
Author:Johannes Bader
Description:detects Agent Tesla
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 37f769d4e4ac1afbb5dd9ce6efb6e8d153021867e2b74091a2a165d295e3213f

(this sample)

  
Delivery method
Distributed via web download

Comments