MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdfbf906f54bbb77444af6f10ce2b3b477306264b28c5ecca4e61924ede99745. 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: 19

Intelligence 19 IOCs YARA 18 File information Comments

SHA256 hash:	bdfbf906f54bbb77444af6f10ce2b3b477306264b28c5ecca4e61924ede99745
SHA3-384 hash:	5184d8e14585b404aa2706a68e4b370fdf9ef495a77f448772d09cb7354731f58628c689ab605d52af1dd0f930295b7e
SHA1 hash:	e6fb00ec0f3667cf32f6c28c58471705880fd43b
MD5 hash:	0d7bda0a169ab4b5aa23275da04ba4b5
humanhash:	snake-timing-victor-oven
File name:	CTe 002-8-0167948-2.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	368'640 bytes
First seen:	2024-05-27 21:41:21 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep	6144:xR+6X5Qgcn+Co2w26kWgSS+Z/toDgLoGxJ30Agsqv0dE0UtplAuCuQAQekTMcFEA:jQZ+hKA1vKgLoGxJ30AhBOTuhAQEcFER
TLSH	T1D87412213BACC56BDBAC43BC60F15A2731B66916A273DE8F148453BA1797F808D13772
TrID	60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter	smica83
Tags:	AgentTesla exe HUN

Intelligence

File Origin

# of uploads :

# of downloads :

359

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

bdfbf906f54bbb77444af6f10ce2b3b477306264b28c5ecca4e61924ede99745.exe

Verdict:

Malicious activity

Analysis date:

2024-05-27 21:41:33 UTC

Tags:

evasion stealer agenttesla exfiltration smtp

Link:

https://app.any.run/tasks/947e9f52-c2f8-40cd-8460-106f1aed85cd

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6654fe42121317197511ff89win7simulatehigh_evasion

Tags:

Network Gensteal

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Searching for synchronization primitives

Creating a file

Launching the default Windows debugger (dwwin.exe)

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET request

Reading critical registry keys

Creating a window

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

monero

Link:

https://www.filescan.io/uploads/6654fe2c2d9fecd0b7e3d23f/reports/4fc95360-bd18-4063-8878-8e53b6c11b62/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/bdfbf906f54bbb77444af6f10ce2b3b477306264b28c5ecca4e61924ede99745

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.

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/22d20813-d53b-4dea-9713-17575f10daee

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1448136

Signature

.NET source code references suspicious native API functions

AI detected suspicious sample

Check if machine is in data center or colocation facility

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to inject code into remote processes

Contains functionality to log keystrokes (.Net Source)

Contains functionality to register a low level keyboard hook

Found malware configuration

Injects a PE file into a foreign processes

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)

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Snort IDS alert for network traffic

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

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 Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/bdfbf906f54bbb77444af6f10ce2b3b477306264b28c5ecca4e61924ede99745

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/bdfbf906f54bbb77444af6f10ce2b3b477306264b28c5ecca4e61924ede99745/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-05-27 18:32:15 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

16 of 24 (66.67%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xx57sbxvjo5xorck63yqzyvtwr3taytewkgf5tfe4ymsj3pjs5cq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240527-1kbh7scb66/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of SetThreadContext

Looks up external IP address via web service

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/0d726a6f-f8b7-4165-a967-e51fe329f036

Unpacked files

SH256 hash:

849fb1339ec278ec634edec1a4c6d0b24f8da0bd54e2b2c11d990b063f65ac53

MD5 hash:

a1a0e3670b63e18565e1c00e93f50df3

SHA1 hash:

d87d3ee46d1d3fa89417874b7643a9432cf9c0bf

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_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/f68368e6-cdce-494f-ba3a-f449005d0faf/

Parent samples :
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SH256 hash:

bdfbf906f54bbb77444af6f10ce2b3b477306264b28c5ecca4e61924ede99745

MD5 hash:

0d7bda0a169ab4b5aa23275da04ba4b5

SHA1 hash:

e6fb00ec0f3667cf32f6c28c58471705880fd43b

Link:

https://www.unpac.me/results/f68368e6-cdce-494f-ba3a-f449005d0faf/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/bdfbf906f54b/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/bdfbf906f54bbb77444af6f10ce2b3b477306264b28c5ecca4e61924ede99745

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 Create hunting rule
Author:	ditekshen
Description:	AgentTeslaV3 infostealer payload

Rule name:	AgentTeslaV5 Create hunting rule
Author:	ClaudioWayne
Description:	AgentTeslaV5 infostealer payload

Rule name:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	BitcoinAddress Create hunting rule
Author:	Didier Stevens (@DidierStevens)
Description:	Contains a valid Bitcoin address

Rule name:	DebuggerCheck__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	INDICATOR_EXE_Packed_GEN01 Create hunting rule
Author:	ditekSHen
Description:	Detect packed .NET executables. Mostly AgentTeslaV4.

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
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 Create hunting rule
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 Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

Rule name:	malware_Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample