MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f6463b100f7812cc3d70de6abf38bd48290132ed93bc275fcedc5ef7571ff59. 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: 4f6463b100f7812cc3d70de6abf38bd48290132ed93bc275fcedc5ef7571ff59
SHA3-384 hash: bcc565ccf6be399ee406a4d173426a07b9b453357296eab507782ca0901df97d5c248c0951cd9231fec71c4eb9c6b422
SHA1 hash: 01b5813a176817128164ee1ec5979201d892ccea
MD5 hash: 3fb66f7afdfd53815bc1d679d48ad56f
humanhash: oklahoma-wisconsin-lion-network
File name:inquiry EBS# 82785.exe
Download: download sample
Signature AgentTesla
File size:686'592 bytes
First seen:2024-05-31 18:40:55 UTC
Last seen:2024-06-03 12:22:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:hiXXNuRchblmtgCb/P+baNvc1bEJluuJ8tBeO2dkE3YpmrMbksg0FBO3sb:hCYaaNvc1k98tMO2GEoPB9Fk30
Threatray 1'606 similar samples on MalwareBazaar
TLSH T1BEE422B9B3AF66ABCE9C44F80811700187F4A0723CD9C3E61DD561E5B0DA7EA5E34927
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)
File icon (PE):PE icon
dhash icon c48e396949799acc (5 x AgentTesla, 1 x Loki, 1 x Formbook)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
5
# of downloads :
471
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
4f6463b100f7812cc3d70de6abf38bd48290132ed93bc275fcedc5ef7571ff59.exe
Verdict:
Malicious activity
Analysis date:
2024-05-31 18:41:22 UTC
Tags:
evasion smtp exfiltration stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Execution Infostealer Network Stealth Gensteal
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
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Forced shutdown of a system process
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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 potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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
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 ftp login credentials
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1450384 Sample: inquiry EBS# 82785.exe Startdate: 01/06/2024 Architecture: WINDOWS Score: 100 38 phoenixblowers.com 2->38 40 bg.microsoft.map.fastly.net 2->40 42 2 other IPs or domains 2->42 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 13 other signatures 2->54 8 inquiry EBS# 82785.exe 7 2->8         started        12 WUmtniUl.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\WUmtniUl.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmpD2C5.tmp, XML 8->36 dropped 56 Writes to foreign memory regions 8->56 58 Allocates memory in foreign processes 8->58 60 Adds a directory exclusion to Windows Defender 8->60 62 Injects a PE file into a foreign processes 8->62 14 RegSvcs.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        64 Antivirus detection for dropped file 12->64 66 Multi AV Scanner detection for dropped file 12->66 68 Machine Learning detection for dropped file 12->68 22 RegSvcs.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 44 api.ipify.org 104.26.13.205, 443, 49704, 49706 CLOUDFLARENETUS United States 14->44 46 phoenixblowers.com 43.255.154.55, 49705, 49707, 587 AS-26496-GO-DADDY-COM-LLCUS Singapore 14->46 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->70 72 Loading BitLocker PowerShell Module 18->72 26 WmiPrvSE.exe 18->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->74 76 Tries to steal Mail credentials (via file / registry access) 22->76 78 Tries to harvest and steal ftp login credentials 22->78 80 Tries to harvest and steal browser information (history, passwords, etc) 22->80 32 conhost.exe 24->32         started        signatures9 process10
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-05-31 16:10:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
627272efcf5fb5275fd251117a1e3239fa43b6706ed71b615efcefb3fc5368de
MD5 hash:
1a19a79ea8019bfd5f1ed7166dd18d0e
SHA1 hash:
e2b4e09e6daaf3f091a9e950e42489a94c86cdba
SH256 hash:
e66fa5ee90d6107d07c3bd1a4555cae246fe21226f82e2b192b33629335bf911
MD5 hash:
44e1e0362ff666ee6a00dc75b00eca85
SHA1 hash:
e05850a159d2b180d701ffcc5f5b54ad12e731de
SH256 hash:
4ed3b0a80feebddd6441815ea99334d7eab55813713a9aa2953412b767405bb8
MD5 hash:
e472f83fa7fb92da892e8ebda9d92112
SHA1 hash:
af8477c3b9530134042aed375122d395d91879e8
SH256 hash:
ef478f12cf4b7d3f8e9a39235ca53ef06c1e8249a5d6679fb0f463f1fe18828b
MD5 hash:
4f7e88f22f510303d71b011a62056bd7
SHA1 hash:
9b1f5f8cfd67d237bde6c8610b9dc45737474082
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:
4f6463b100f7812cc3d70de6abf38bd48290132ed93bc275fcedc5ef7571ff59
MD5 hash:
3fb66f7afdfd53815bc1d679d48ad56f
SHA1 hash:
01b5813a176817128164ee1ec5979201d892ccea
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: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.

Malspam

AgentTesla

Executable exe 4f6463b100f7812cc3d70de6abf38bd48290132ed93bc275fcedc5ef7571ff59

(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 (GUARD_CF)high

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