MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92f372371d773e499445538a7f978fe16dc03bf772adf1151dc998a7916b284f. 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: 18


Intelligence 18 IOCs YARA 18 File information Comments

SHA256 hash: 92f372371d773e499445538a7f978fe16dc03bf772adf1151dc998a7916b284f
SHA3-384 hash: 8e6cb2b15b388a813c72db1e88c7c4525863f228ea87d05c5bc0c03f347eb9ad18f9d2cec3e3068f9640660aa101fb9d
SHA1 hash: 9387dd1db20f1d643437ddc90e2f227ce667ab99
MD5 hash: 7e25fcb83e6c246f1db8539c26379f68
humanhash: echo-missouri-harry-lamp
File name:SecuriteInfo.com.Win32.PWSX-gen.15208.17708
Download: download sample
Signature AgentTesla
File size:678'400 bytes
First seen:2024-05-21 06:20:40 UTC
Last seen:2024-05-21 13:11:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:plYifTEb5syskpi7Ar7CiiYN3Q40CfT7VkxSs5sRVbEbYstXM5y:kiI5NsAr7CirN10C7eB5sR2cst8w
Threatray 3'923 similar samples on MalwareBazaar
TLSH T193E423223228CF3BC6EE537B708141265B955C97BD30DFDE5DA2B0041AEBB099A715E3
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 00b6bae8a8aad602 (11 x AgentTesla, 2 x NanoCore, 2 x Formbook)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
340
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
92f372371d773e499445538a7f978fe16dc03bf772adf1151dc998a7916b284f.exe
Verdict:
Malicious activity
Analysis date:
2024-05-21 06:24:16 UTC
Tags:
smtp evasion agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Gensteal
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Sending an HTTP GET request
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
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
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 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: 1444770 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 21/05/2024 Architecture: WINDOWS Score: 100 27 mail.ipr-co.org 2->27 29 ipr-co.org 2->29 31 api.ipify.org 2->31 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 6 other signatures 2->55 7 SecuriteInfo.com.Win32.PWSX-gen.15208.17708.exe 3 2->7         started        10 BjTxJte.exe 3 2->10         started        12 BjTxJte.exe 2 2->12         started        signatures3 process4 signatures5 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->57 59 Injects a PE file into a foreign processes 7->59 14 SecuriteInfo.com.Win32.PWSX-gen.15208.17708.exe 16 5 7->14         started        61 Multi AV Scanner detection for dropped file 10->61 63 Machine Learning detection for dropped file 10->63 19 BjTxJte.exe 14 2 10->19         started        21 BjTxJte.exe 2 12->21         started        process6 dnsIp7 33 ipr-co.org 185.55.225.242, 49727, 49733, 49735 SERVERPARSIR Iran (ISLAMIC Republic Of) 14->33 35 api.ipify.org 104.26.13.205, 443, 49725, 49730 CLOUDFLARENETUS United States 14->35 23 C:\Users\user\AppData\Roaming\...\BjTxJte.exe, PE32 14->23 dropped 25 C:\Users\user\...\BjTxJte.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 ftp login credentials 21->43 45 Tries to harvest and steal browser information (history, passwords, etc) 21->45 47 Installs a global keyboard hook 21->47 file8 signatures9
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-05-21 04:22:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
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 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
AgentTesla
Unpacked files
SH256 hash:
0b7dcc18b0ef39734a24ca5923b02df82c670d08365fe376f2ed4ff9fcbc6303
MD5 hash:
0441cc0dacc6d821252e66a156b1d9bd
SHA1 hash:
df46cc702950a53a5de7b804d2076ef03f8ac6b4
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
SH256 hash:
fa4b5ba76887fd0576983a50b471f7da88dd4fe37fb9ab77f2f2ac10856c089c
MD5 hash:
788efbf8b23a6d6f444270552200c3a0
SHA1 hash:
662e7fbb01b34fb10a227b1d92414b8819d9d3bb
SH256 hash:
62d82f34c8097bff09c978e68b5c96bcf809fb93236c025993a6ea92a1231039
MD5 hash:
fdd789edfb013ad67564a24211f7a1ce
SHA1 hash:
1dde56a44f1cc11cf2bc3d3228d9b65d80a3c580
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:
92f372371d773e499445538a7f978fe16dc03bf772adf1151dc998a7916b284f
MD5 hash:
7e25fcb83e6c246f1db8539c26379f68
SHA1 hash:
9387dd1db20f1d643437ddc90e2f227ce667ab99
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: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: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.

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

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