MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a448bb4741875beb4560d6ffe519062f6338e25a269571bf11e27b4a27e76167. 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: 15


Intelligence 15 IOCs YARA 14 File information Comments

SHA256 hash: a448bb4741875beb4560d6ffe519062f6338e25a269571bf11e27b4a27e76167
SHA3-384 hash: 7f4d934850c08b49f1edebc6943286b278ce42e5a0981a32c98e37430918fc0f5951744433c2d4e35a802c276bd1fe5e
SHA1 hash: b0f713b97613d1b1be099022edd32a06fd195f0d
MD5 hash: 67f2723928ffabd7b8f143d0d016e78b
humanhash: iowa-tango-north-alpha
File name:RFQ_20240112-876678xls.exe
Download: download sample
Signature AgentTesla
File size:646'656 bytes
First seen:2024-01-18 08:55:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:uzebOPYryYSS6IzhkVODSHCzj/ySQRM/0nnfbSADIrdBTgOTpn0bFU:tOnS6I9kV2SidQlnfy5BTaF
Threatray 4'991 similar samples on MalwareBazaar
TLSH T18DD41202F2AC97A2CA7A13F1442995444B72742365A2E2AC3DDFB1DF75F1B40C761B27
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)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
325
Origin country :
HU HU
Vendor Threat Intelligence
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
Reading critical registry keys
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
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
Antivirus / Scanner detection for submitted sample
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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:
2024-01-12 07:37:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 24 (83.33%)
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 SetWindowsHookEx
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:
c607005f6a77433faabfd5c678d3d99eb9e780866c173cf9f3902a82f87aba72
MD5 hash:
2f1f63aa47adbf6000e1c80eb0722764
SHA1 hash:
fbf7520d6e7c520383728e56eaae908ab2dc4b59
SH256 hash:
05c701e796567a98afd664481f2667abff69a58a6d8ad3af7616a27cc4f36ed4
MD5 hash:
4b462faff3377bfbfc79fa40c9e87b60
SHA1 hash:
f719f9c1dd83df22a212ac700cd56e20e7fd892c
SH256 hash:
21afe82a0b71ee589c26f32dc88e0a6e22817f21194b2a83f1807c6cecc8c818
MD5 hash:
440bb4db146ccb1161ac2bcf365d7676
SHA1 hash:
506eda511b46df6e95d86861e70fda81307f8623
SH256 hash:
c8e4d0fafc4c215f86f6157e9da7eb3c1c54ef675661cbdd18537def647517c0
MD5 hash:
6bf76bf75c4242bf82c1d613af54f8ed
SHA1 hash:
48238457e4533082a18182426d7d2dd547286393
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:
a448bb4741875beb4560d6ffe519062f6338e25a269571bf11e27b4a27e76167
MD5 hash:
67f2723928ffabd7b8f143d0d016e78b
SHA1 hash:
b0f713b97613d1b1be099022edd32a06fd195f0d
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
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.

Malspam

AgentTesla

Executable exe a448bb4741875beb4560d6ffe519062f6338e25a269571bf11e27b4a27e76167

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments