MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec2271f3c4ca253b780325c5b0486672f7f4eb8dd9c355501103aa87f0c5f9f4. 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 12 File information Comments

SHA256 hash: ec2271f3c4ca253b780325c5b0486672f7f4eb8dd9c355501103aa87f0c5f9f4
SHA3-384 hash: f4b321a5971846cfbbb232dc32ce8de6b5c7ff9d2afc09e63d23101c7c6bf2f2ad535dbffba8ea7eb0b6ac3b3dddf695
SHA1 hash: a8df7b260aa4a22376acbc33d209ad7cc940c308
MD5 hash: f9ac7ceee8afa9410d5627d05ab2dfc4
humanhash: helium-lemon-lion-april
File name:RFQ MT-764439977,xlsx.exe
Download: download sample
Signature AgentTesla
File size:825'856 bytes
First seen:2023-10-27 09:35:25 UTC
Last seen:2023-10-27 10:52:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:TdV4Mbj7Cy6f8UgFFpvx4V0oQjMeEXogpu28fi89xKu2YCmIIIhBfQ6fhq:TdKM3ef8pFp5/X0p8a8987YCmIIQ3Q
Threatray 887 similar samples on MalwareBazaar
TLSH T1A805E1097A46DD51C2685A37C4D791184B719A92A317DB0F3ACA37990E033AFAC4B7CF
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)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter cocaman
Tags:AgentTesla exe RFQ

Intelligence


File Origin
# of uploads :
2
# of downloads :
384
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
ec2271f3c4ca253b780325c5b0486672f7f4eb8dd9c355501103aa87f0c5f9f4.zip
Verdict:
Malicious activity
Analysis date:
2023-10-27 15:56:35 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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed redcap
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
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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:
Win32.Trojan.Barys
Status:
Malicious
First seen:
2023-10-27 09:35:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
11 of 35 (31.43%)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
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:
44a8ceca90bca826bf2e7faf5f4fea24a30f97fe75f2553b7ae26784de8ea856
MD5 hash:
be8d0f301d6a450aa2d219470ded392d
SHA1 hash:
f075b8e525d2cb768f0ed4f07a34e35570b31b9a
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
44ed0060eab08595d2b4ad0626e5271728b42de5e5e88cc92428adc92dd79605
MD5 hash:
10212ba46bfc4a8b427083c7d3099161
SHA1 hash:
7385ec7da4970120063845f90a24d9253e9ac1c2
Detections:
AgentTesla win_agent_tesla_g2
SH256 hash:
8c578cb102af5608d0af142014a51730634688e783186c3e25fe5e3ec379d9db
MD5 hash:
4445c29fc337506bc63b901c1fcc48d7
SHA1 hash:
5b2af07417d16113ce60765cf40e3bd08533b0b8
SH256 hash:
ec2271f3c4ca253b780325c5b0486672f7f4eb8dd9c355501103aa87f0c5f9f4
MD5 hash:
f9ac7ceee8afa9410d5627d05ab2dfc4
SHA1 hash:
a8df7b260aa4a22376acbc33d209ad7cc940c308
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: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.

Malspam

AgentTesla

Executable exe ec2271f3c4ca253b780325c5b0486672f7f4eb8dd9c355501103aa87f0c5f9f4

(this sample)

Comments