MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 533f665f835376d5e5d933654b61bf3ccc2a2c0d2e560a9dca28865721060d28. 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 13 File information Comments

SHA256 hash: 533f665f835376d5e5d933654b61bf3ccc2a2c0d2e560a9dca28865721060d28
SHA3-384 hash: 39d9aff3cf3b7d64e5da5173d7766fb0f16a1a13dd7a85e5154ad508680dd14000904a044f423a182d42635aeb759675
SHA1 hash: 326d15da39c146089f75ee0eb0d436e900d5801a
MD5 hash: 30f590b2370054df8174f027d5b9fa08
humanhash: chicken-seventeen-cola-delaware
File name:SecuriteInfo.com.Win32.PWSX-gen.20670.16140
Download: download sample
Signature AgentTesla
File size:870'400 bytes
First seen:2023-11-10 18:16:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:EaDc4nal7XZkjbFGw92i3qJhBoLGjAU28tJEN9g4wjV+dpsW+199dswtUmb:Eic4IT2jbFTci3+UCUOtJEXgBjM+1zH
TLSH T127058B384CAC123BC5B4DEAB8B858062F5E597733745CD3964D316865E16E22FACC23E
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
298
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.20670.16140
Verdict:
Malicious activity
Analysis date:
2023-11-10 18:19:57 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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
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
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
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 strings
Adds a directory exclusion to Windows Defender
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 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: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, 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: 1340825 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 10/11/2023 Architecture: WINDOWS Score: 100 36 us2.smtp.mailhostbox.com 2->36 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Sigma detected: Scheduled temp file as task from temp location 2->44 46 8 other signatures 2->46 8 SecuriteInfo.com.Win32.PWSX-gen.20670.16140.exe 7 2->8         started        12 jnAzvZUmlZ.exe 5 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\jnAzvZUmlZ.exe, PE32 8->32 dropped 34 C:\Users\user\AppData\Local\...\tmp1F77.tmp, XML 8->34 dropped 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->48 50 Uses schtasks.exe or at.exe to add and modify task schedules 8->50 52 Adds a directory exclusion to Windows Defender 8->52 14 SecuriteInfo.com.Win32.PWSX-gen.20670.16140.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        54 Multi AV Scanner detection for dropped file 12->54 56 Machine Learning detection for dropped file 12->56 58 Injects a PE file into a foreign processes 12->58 22 jnAzvZUmlZ.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 38 us2.smtp.mailhostbox.com 208.91.199.224, 49707, 49709, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->38 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        60 Tries to steal Mail credentials (via file / registry access) 22->60 62 Tries to harvest and steal browser information (history, passwords, etc) 22->62 30 conhost.exe 24->30         started        signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-11-10 13:55:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4
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
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
b2cdad32e3a229a38d599d9a74f82bc71bd2bcb12cb729a8214611c443915be8
MD5 hash:
27f63380d2359bc79913ad7dc9d10dce
SHA1 hash:
5c936460d44aca01c6725d60a5c936bfb329f258
SH256 hash:
bfef9eac82e53e8d63bcb3b3022880eaf8f22cbbc6c69f3782b59c438f649f12
MD5 hash:
ddf81912128dd196140e9be656c3a212
SHA1 hash:
51221baf7115f7f2de03cd00b8b25cfde9241a35
SH256 hash:
533f665f835376d5e5d933654b61bf3ccc2a2c0d2e560a9dca28865721060d28
MD5 hash:
30f590b2370054df8174f027d5b9fa08
SHA1 hash:
326d15da39c146089f75ee0eb0d436e900d5801a
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: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.

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