MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20e319cbc410d4fd3ebd6f460ddfc541bf433a68c42605b0b2f375f95a222053. 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 17 File information Comments

SHA256 hash: 20e319cbc410d4fd3ebd6f460ddfc541bf433a68c42605b0b2f375f95a222053
SHA3-384 hash: 8e3023a37064a2a6136d4befe45ecc13b953c026d8bd7e4d25c85af339812e1ae6d5479fec5a84dcb48defaeb0f3958c
SHA1 hash: e14631837e348c90e8ae465cd957c6727362ee2c
MD5 hash: 42afcfc979e4a1f8a75cb18cbcd94cd7
humanhash: vermont-yankee-wolfram-single
File name:8tsQzCT3MHRQkUK.exe
Download: download sample
Signature AgentTesla
File size:694'784 bytes
First seen:2024-06-21 00:07:35 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:PbBPJwKcILBDkJpCdlQJWIuXxItbGOsG5Or14gXMXrTJhpZNUlMz:zBhcIlb6axItbZsG614bJZNUlw
Threatray 1'344 similar samples on MalwareBazaar
TLSH T18AE42301306AA725D0AF9FFA5A2902804772AB372F39C75B3FDB528F2A537C04A51757
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter mautshim
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
337
Origin country :
ID ID
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
20e319cbc410d4fd3ebd6f460ddfc541bf433a68c42605b0b2f375f95a222053.exe
Verdict:
Malicious activity
Analysis date:
2024-06-21 00:08:23 UTC
Tags:
netreactor smtp exfiltration stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Banker Encryption Execution Generic Network Static Msil Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Setting a keyboard event handler
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin packed remote 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
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1460479 Sample: 8tsQzCT3MHRQkUK.exe Startdate: 21/06/2024 Architecture: WINDOWS Score: 100 42 mail.funworld.co.id 2->42 44 funworld.co.id 2->44 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 8tsQzCT3MHRQkUK.exe 7 2->8         started        12 DYkldqI.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\DYkldqI.exe, PE32 8->34 dropped 36 C:\Users\user\...\DYkldqI.exe:Zone.Identifier, ASCII 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp9562.tmp, XML 8->38 dropped 40 C:\Users\user\...\8tsQzCT3MHRQkUK.exe.log, ASCII 8->40 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 14 8tsQzCT3MHRQkUK.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 66 Injects a PE file into a foreign processes 12->66 22 DYkldqI.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 46 funworld.co.id 180.235.148.163, 49714, 49718, 587 ARDH-AS-IDARDHGLOBALINDONESIAPTID Indonesia 14->46 68 Installs a global keyboard hook 14->68 70 Loading BitLocker PowerShell Module 18->70 26 WmiPrvSE.exe 18->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->72 74 Tries to steal Mail credentials (via file / registry access) 22->74 76 Tries to harvest and steal ftp login credentials 22->76 78 Tries to harvest and steal browser information (history, passwords, etc) 22->78 32 conhost.exe 24->32         started        signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-05-30 06:46:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
26 of 38 (68.42%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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
AgentTesla
Unpacked files
SH256 hash:
1feba65bd2aa62dc3cad4b386b25e5a5922cfaaa4f0c1aecff536bf10f54dc12
MD5 hash:
21ca6aa79257797cfcf81faf284a9f89
SHA1 hash:
bb55c21f04bd9a0d6fbd40f7129ec68344bd524e
SH256 hash:
bb966545d6282240d33ffde4e7c67b1be0524f3e865682f902881e11159bebe4
MD5 hash:
ba8b894fc0da8b5ea3462dc8ade359dc
SHA1 hash:
aa20012ca5f0eb89a88103d22432dd91a4381dbe
SH256 hash:
25b5214317428b6661d063585c9de0ceb173e0cbf529069873599ac09f179ae9
MD5 hash:
a09ba49a164d02715cea9498b85dadb3
SHA1 hash:
5cb0c737d9fb738c36ca64082b53cd2d816b6e8b
SH256 hash:
04547a7f48508fefd40b774e1e95b1b062047479a22cf5bb697d024fac8014c0
MD5 hash:
e3d11e0394e7a09845d191c93802daf2
SHA1 hash:
0d0c326898f453f6f74666715ae5453a0b605a69
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
Parent samples :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 hash:
20e319cbc410d4fd3ebd6f460ddfc541bf433a68c42605b0b2f375f95a222053
MD5 hash:
42afcfc979e4a1f8a75cb18cbcd94cd7
SHA1 hash:
e14631837e348c90e8ae465cd957c6727362ee2c
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 20e319cbc410d4fd3ebd6f460ddfc541bf433a68c42605b0b2f375f95a222053

(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