MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4000571c4d2e02e55de74268eb9477d61f9f506c567a3eeb55ab7b68b395959d. 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: 16


Intelligence 16 IOCs YARA 14 File information Comments

SHA256 hash: 4000571c4d2e02e55de74268eb9477d61f9f506c567a3eeb55ab7b68b395959d
SHA3-384 hash: f62cf3e0732f0fe1320393362246d543160cca15d816333b4f93649c4daca5ba124ecca4d56367286a20f922b1462bc8
SHA1 hash: 1c1df763beab39b7cc6eb64daffc9012f6aff682
MD5 hash: 49aa9d40612155fbce090c6d75c1b271
humanhash: mobile-foxtrot-finch-seventeen
File name:SecuriteInfo.com.Win32.PWSX-gen.1352.2615
Download: download sample
Signature AgentTesla
File size:731'136 bytes
First seen:2024-01-24 06:53:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:LPvcmMEvLsoKT/lk0gyMXCp4K8bCQR9dtZ9tGAKrWi0C0e:YUnKzsyMXCazR9dtZ9tNK90
Threatray 4'848 similar samples on MalwareBazaar
TLSH T16BF4122233780F77DA9C453894B152654339EB4365A1E32E0DD974ACAFA2F854A373E3
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 58b4626ab6d880a8 (6 x AgentTesla, 1 x Formbook)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
327
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
4000571c4d2e02e55de74268eb9477d61f9f506c567a3eeb55ab7b68b395959d.exe
Verdict:
Malicious activity
Analysis date:
2024-01-24 06:56:11 UTC
Tags:
agenttesla stealer

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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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
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
Installs a global keyboard hook
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1380039 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 24/01/2024 Architecture: WINDOWS Score: 100 27 us2.smtp.mailhostbox.com 2->27 29 api4.ipify.org 2->29 31 api.ipify.org 2->31 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 6 other signatures 2->53 7 SecuriteInfo.com.Win32.PWSX-gen.1352.2615.exe 3 2->7         started        10 NouyJ.exe 3 2->10         started        12 NouyJ.exe 2 2->12         started        signatures3 process4 signatures5 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Injects a PE file into a foreign processes 7->57 14 SecuriteInfo.com.Win32.PWSX-gen.1352.2615.exe 16 5 7->14         started        59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 19 NouyJ.exe 14 2 10->19         started        21 NouyJ.exe 12->21         started        process6 dnsIp7 33 api4.ipify.org 173.231.16.75, 443, 49706, 49711 WEBNXUS United States 14->33 35 us2.smtp.mailhostbox.com 208.91.199.223, 49708, 49712, 49722 PUBLIC-DOMAIN-REGISTRYUS United States 14->35 23 C:\Users\user\AppData\Roaming\...23ouyJ.exe, PE32 14->23 dropped 25 C:\Users\user\...25ouyJ.exe:Zone.Identifier, ASCII 14->25 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file / registry access) 14->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->41 43 Tries to harvest and steal browser information (history, passwords, etc) 21->43 45 Installs a global keyboard hook 21->45 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2024-01-24 06:54:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
cf4df1120b4646e5c298f62a80544e12b89b1dc6cd9cc97310b2f98982c42f90
MD5 hash:
a5dc3e8471c18518f708147bb4799488
SHA1 hash:
97c2014cbc49f24e35c314db8886e531a0d3e10a
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:
062689dda85de025ef57e7a9935d23bbe6adf1c3cc47a5d4b5a498f9693ce2b1
MD5 hash:
deda03e4d2e6f925ae3ce608ca49488b
SHA1 hash:
782172f50b94683d08d8d7f19d43ddfc4dfab205
SH256 hash:
67248df4a8106feaa788081192104b10b569812c2075b3fb0e41b282bef84bd4
MD5 hash:
fcc966c1ac83e09cc9c2d6666e29129a
SHA1 hash:
162059b6662d68ce6743558575cdc39b3401a5a8
SH256 hash:
4000571c4d2e02e55de74268eb9477d61f9f506c567a3eeb55ab7b68b395959d
MD5 hash:
49aa9d40612155fbce090c6d75c1b271
SHA1 hash:
1c1df763beab39b7cc6eb64daffc9012f6aff682
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: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:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


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

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