MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4df8137744b852e25c6864097f8fa0aaceb424abfd5ea5e74d876ba3347e7508. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments

SHA256 hash: 4df8137744b852e25c6864097f8fa0aaceb424abfd5ea5e74d876ba3347e7508
SHA3-384 hash: 5d3701f75a4b082a769beb6c8d773f055dd371f1a37173ac69b1d0b519ccb20c76da916a2bd62ed3c81a2b4421326460
SHA1 hash: 4006dd425ccaab9319ef16f7df77956b518835bb
MD5 hash: 6a161ccccb65f9df1da9db2e30407ba6
humanhash: nitrogen-oklahoma-berlin-double
File name:love.exe
Download: download sample
Signature AgentTesla
File size:705'536 bytes
First seen:2024-09-03 11:43:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:SzjLf30WH03GqQPiwsj7L8pyZvAZqGiZf9Uigfdoq0ZYaFtMpLDtGq3:sjj0yRownp4YZ34uLfH0ZOd5Gq
Threatray 1'405 similar samples on MalwareBazaar
TLSH T1DCE423506BD6631EE1EFABB81D76909113737B6AA291D72C2D5091CD8C33B934233367
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
396
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
love.exe
Verdict:
Malicious activity
Analysis date:
2024-09-03 11:44:09 UTC
Tags:
smtp stealer exfiltration agenttesla evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Discovery Execution Generic Infostealer Network Static Stealth Agent Tesla
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed vbnet
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 potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1503376 Sample: love.exe Startdate: 03/09/2024 Architecture: WINDOWS Score: 100 47 us2.smtp.mailhostbox.com 2->47 49 api.ipify.org 2->49 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus / Scanner detection for submitted sample 2->67 69 9 other signatures 2->69 8 love.exe 4 2->8         started        12 mpTrle.exe 3 2->12         started        14 mpTrle.exe 2->14         started        signatures3 process4 file5 41 C:\Users\user\AppData\Local\...\love.exe.log, ASCII 8->41 dropped 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->71 73 Adds a directory exclusion to Windows Defender 8->73 75 Injects a PE file into a foreign processes 8->75 16 love.exe 16 5 8->16         started        21 powershell.exe 23 8->21         started        23 love.exe 8->23         started        25 love.exe 8->25         started        77 Antivirus detection for dropped file 12->77 79 Multi AV Scanner detection for dropped file 12->79 81 Machine Learning detection for dropped file 12->81 27 mpTrle.exe 14 2 12->27         started        29 mpTrle.exe 14->29         started        31 mpTrle.exe 14->31         started        signatures6 process7 dnsIp8 43 us2.smtp.mailhostbox.com 208.91.199.225, 49734, 49738, 49746 PUBLIC-DOMAIN-REGISTRYUS United States 16->43 45 api.ipify.org 172.67.74.152, 443, 49732, 49737 CLOUDFLARENETUS United States 16->45 37 C:\Users\user\AppData\Roaming\...\mpTrle.exe, PE32 16->37 dropped 39 C:\Users\user\...\mpTrle.exe:Zone.Identifier, ASCII 16->39 dropped 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->51 53 Tries to steal Mail credentials (via file / registry access) 16->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->55 57 Loading BitLocker PowerShell Module 21->57 33 WmiPrvSE.exe 21->33         started        35 conhost.exe 21->35         started        59 Tries to harvest and steal ftp login credentials 29->59 61 Tries to harvest and steal browser information (history, passwords, etc) 29->61 file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2024-09-03 09:36:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla credential_access discovery execution keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Credentials from Password Stores: Credentials from Web Browsers
AgentTesla
Unpacked files
SH256 hash:
9f365a320405be969719491d46191fefa4e6a731684ed9fb6bcaa72bc6c1126e
MD5 hash:
63e615e39e78c95da103a5917a1be5e1
SHA1 hash:
e254316bc7025b7ce4e7f87148940588eab3d0a9
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
7a4b1c2b3a236bc7cac25c9aa07163d9eb19233065e88b7304ce6e46c6a36e0f
MD5 hash:
7fa95c2554a74e0805581e20305069d8
SHA1 hash:
aa77eebba993f3e79b4971f5c135286e40b066a1
SH256 hash:
c1cf1d08aa60e0ba10b8f4c7ae99e230c9657ee8224a0a3e3d1b1a6cb6f55bba
MD5 hash:
321ac5ce3307be46038e2761ede4ee1a
SHA1 hash:
16bdda28e11182b2c35817e7a57bfbc652459358
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
4df8137744b852e25c6864097f8fa0aaceb424abfd5ea5e74d876ba3347e7508
MD5 hash:
6a161ccccb65f9df1da9db2e30407ba6
SHA1 hash:
4006dd425ccaab9319ef16f7df77956b518835bb
Malware family:
AgentTesla
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: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 4df8137744b852e25c6864097f8fa0aaceb424abfd5ea5e74d876ba3347e7508

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments