MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb42b7fe8e4b91d233ed1755f6ac5e83d6d2d44f1320a55c88d034cf566f658d. 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 13 File information Comments

SHA256 hash: cb42b7fe8e4b91d233ed1755f6ac5e83d6d2d44f1320a55c88d034cf566f658d
SHA3-384 hash: e2d5291fa59b106201b8e97bbe62d6f44f980a294a06d69a0d93bfe37594b2284f84d5c09e7654855ac265307b26a373
SHA1 hash: 4cd889590bc080bbd1eb5e13e7c00621b4b17ca9
MD5 hash: ba231a28a6d8f09a6510a68167bb7e2e
humanhash: fish-bulldog-golf-king
File name:SecuriteInfo.com.Trojan.DownLoaderNET.710.7393.16571
Download: download sample
Signature AgentTesla
File size:998'912 bytes
First seen:2023-10-18 07:30:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:eWLYUvSKmwFcP7nceuW/sUB5aizW9EjFylkcNrrm:RYUVmV7cRW0UBFzl0lnrr
Threatray 688 similar samples on MalwareBazaar
TLSH T194257F3D29BD223BC1A5C6B9CFE5C827F000D86F3452AD6598D397A64356A8735C323E
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
359
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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
Stealing user critical data
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:
n/a
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-18 07:29:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:
3d6be89afa6b212cb4691cc89e0b87cca3fcfd04f366df9bd8b756e29646d7a0
MD5 hash:
491e84154aba21e383d0f11445e6825a
SHA1 hash:
db8e995950eff6c92a034d2de14271f0dd14bdd2
SH256 hash:
de59c3246c72163cfc5d3b5a8aec72ec6a585893a6c7d80fbff35238aabe6027
MD5 hash:
c3b2bcacf04baacd6daae4cf4896872c
SHA1 hash:
b7815d4d77ea49e493898d9ce06061e2c9c83feb
SH256 hash:
8022776b3441b4ca869741adea47765e0c0e73f694d1f1f147b2ee0d72a038f5
MD5 hash:
6b50b1a6c9216f9259472f3863f34889
SHA1 hash:
b6ff60556657f7b6685efea506e243f0db04aa38
SH256 hash:
ed278807068709bcc74ef7d01ce46682b64d8ec9c8466dc8aaeb92ed75495aaa
MD5 hash:
51e85d063788811778e570139e28ac5a
SHA1 hash:
b3a9f24d4d25c91058e6c1f91e07219423b428fa
SH256 hash:
44ed0060eab08595d2b4ad0626e5271728b42de5e5e88cc92428adc92dd79605
MD5 hash:
10212ba46bfc4a8b427083c7d3099161
SHA1 hash:
7385ec7da4970120063845f90a24d9253e9ac1c2
Detections:
AgentTesla win_agent_tesla_g2
SH256 hash:
cb42b7fe8e4b91d233ed1755f6ac5e83d6d2d44f1320a55c88d034cf566f658d
MD5 hash:
ba231a28a6d8f09a6510a68167bb7e2e
SHA1 hash:
4cd889590bc080bbd1eb5e13e7c00621b4b17ca9
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: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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