MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42f49c36922c915d7bd0504bb1893842a2712c83616191bad4537fb00ff4bb71. 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: 17


Intelligence 17 IOCs YARA 15 File information Comments

SHA256 hash: 42f49c36922c915d7bd0504bb1893842a2712c83616191bad4537fb00ff4bb71
SHA3-384 hash: 58ea13fb6f480c171443ca8f460380d23f414e463d3b067e361217c721fd41965a557de9fbc78f9b356cd03257c76f69
SHA1 hash: 982d1ff032d31eaaf17dc4c992a0d7ffa2cc5674
MD5 hash: c906ddbbf6fbc2dc619e38fb0bc60bed
humanhash: jupiter-west-grey-lima
File name:SecuriteInfo.com.Win32.PWSX-gen.776.1931
Download: download sample
Signature AgentTesla
File size:762'880 bytes
First seen:2024-02-12 09:24:04 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:RSqjxkzqHKMbZnkEE3DB0fkhlW1KzHOH86KC4+zczZEn8kILSbKX7yrp34a6E2ur:R7+z87bZC3DB0SAIzHOcQ4eIZZ/ta6ET
Threatray 5'644 similar samples on MalwareBazaar
TLSH T14BF40201B7B81F16DE7983F8192195414FF6788BA4A6F38D4CD760DEA6B4F808D91B23
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 SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
557
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
42f49c36922c915d7bd0504bb1893842a2712c83616191bad4537fb00ff4bb71.exe
Verdict:
Malicious activity
Analysis date:
2024-02-12 09:27:15 UTC
Tags:
stealer agenttesla

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
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Sending an HTTP GET request
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:
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
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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)
Sample uses string decryption to hide its real strings
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 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: 1390653 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 12/02/2024 Architecture: WINDOWS Score: 100 44 mail.wasstech.com 2->44 46 api.ipify.org 2->46 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 14 other signatures 2->58 8 SecuriteInfo.com.Win32.PWSX-gen.776.1931.exe 7 2->8         started        12 pjXsuZUE.exe 5 2->12         started        signatures3 process4 file5 40 C:\Users\user\AppData\Roaming\pjXsuZUE.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpEEA8.tmp, XML 8->42 dropped 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 62 Writes to foreign memory regions 8->62 64 Allocates memory in foreign processes 8->64 72 2 other signatures 8->72 14 RegSvcs.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        66 Antivirus detection for dropped file 12->66 68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        28 RegSvcs.exe 12->28         started        signatures6 process7 dnsIp8 48 mail.wasstech.com 204.93.196.181, 49704, 49708, 587 SERVERCENTRALUS United States 14->48 50 api.ipify.org 104.26.12.205, 443, 49703, 49707 CLOUDFLARENETUS United States 14->50 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->74 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->76 78 Tries to steal Mail credentials (via file / registry access) 14->78 30 conhost.exe 18->30         started        32 WmiPrvSE.exe 18->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        80 Tries to harvest and steal browser information (history, passwords, etc) 24->80 38 conhost.exe 26->38         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-02-12 07:03:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla 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
AgentTesla
Unpacked files
SH256 hash:
00c244bb0026093d3c5b53cd6383977b6ae60162d958ef024c8f734d3a2708d7
MD5 hash:
8367375f75734705a66392b25c5c23a5
SHA1 hash:
fcf25fdc90c22ee3142e03f463a5d4c9ef047a07
SH256 hash:
d6a0c0e8655799d408dd3390ea452bbdc5ed69f1f1e8de2842264e5e62c6ba30
MD5 hash:
5752e7a99b4631969f0acba0c4ae8437
SHA1 hash:
f0e331169fc18e5ef021cb52a5a5f8f6fc9f270c
SH256 hash:
30a3447711a0c8d1622b4d998de8e7063d5f627351d0733e25b7bc88e54a90a9
MD5 hash:
1668192b558c79dfe2e8dc453917c064
SHA1 hash:
5603169927c1f33badd01a9ed612fead5cdba570
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:
d2c00b493abae1d0b1bfad287a30b183bc022836d93967a98e41c242f59733ee
MD5 hash:
b406cbb42489dd250d1f7fdd06dbb014
SHA1 hash:
136877bf22b216d8afa92364d8c51108c38decac
SH256 hash:
42f49c36922c915d7bd0504bb1893842a2712c83616191bad4537fb00ff4bb71
MD5 hash:
c906ddbbf6fbc2dc619e38fb0bc60bed
SHA1 hash:
982d1ff032d31eaaf17dc4c992a0d7ffa2cc5674
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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_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.

Comments