MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 143c0a3eb39da23c81043a3c1ef0a7e83321b467e2bb6f55102c87277f8fc79e. 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: 20

Intelligence 20 IOCs YARA 19 File information Comments

SHA256 hash:	143c0a3eb39da23c81043a3c1ef0a7e83321b467e2bb6f55102c87277f8fc79e
SHA3-384 hash:	ae1c919f45b5bd221df250b8e922b98d975bd5866c3d48416fec6ef64df74504f78f9cbfde6d93cd48c6971a6388e1eb
SHA1 hash:	d5a4e57fd07f3251926e1c46c773b80126f08a0a
MD5 hash:	7c10269accd9402f875380a067bb0c37
humanhash:	paris-carpet-ohio-double
File name:	file.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	244'224 bytes
First seen:	2025-03-06 14:02:05 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep	3072:EkNn/R/bHLPCoeqZ+yYEhR5m26Yy5Th7kDY3N:LN/R/bHLPCoeqvVZd6Ys72
TLSH	T15A340F037E88EB15E1A87E3782EF6C2413B2B4C71633C60BAF49AF6614516525C7E72D
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
Reporter	James_inthe_box
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

525

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

file.exe

Verdict:

Malicious activity

Analysis date:

2025-03-06 14:04:06 UTC

Tags:

evasion stealer agenttesla ftp exfiltration

Link:

https://app.any.run/tasks/8b012411-bffd-4490-9c60-f66a33bf198d

Note:

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

Detection(s):

Win.Packed.Generic-10003641-0

Win.Packed.Generic-10011753-0

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67c9ac8fc668b65489bf7589

Tags:

agenttesla lien

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

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:

agenttesla anti-vm evasive fingerprint hacktool infostealer keylogger lolbin obfuscated obfuscated opendir opendir reconnaissance remote stealer stealer vbnet windows

Link:

https://www.filescan.io/uploads/67c9aae73c5f644bd94647ca/reports/ab712725-e449-483f-a171-9025d8272523/overview

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/143c0a3eb39da23c81043a3c1ef0a7e83321b467e2bb6f55102c87277f8fc79e

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/00e30e56-c972-4552-80cc-86fe936be127

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1631015

Signature

Antivirus / Scanner detection for submitted sample

Check if machine is in data center or colocation facility

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

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Joe Sandbox ML detected suspicious 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)

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 steal Mail credentials (via file / registry access)

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/143c0a3eb39da23c81043a3c1ef0a7e83321b467e2bb6f55102c87277f8fc79e

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/143c0a3eb39da23c81043a3c1ef0a7e83321b467e2bb6f55102c87277f8fc79e/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2025-03-05 07:46:19 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=cq6aupvttwrdzaiehi6b54fh5azsdndh4k5w6viqfsdso74py6pa._file

Verdict:

malicious

Label(s):

agenttesla

Similar samples:

error

AgentTesla

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery keylogger spyware stealer trojan

Link:

https://tria.ge/reports/250306-rb7evazvev/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

System Location Discovery: System Language Discovery

Looks up external IP address via web service

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla

Agenttesla family

Verdict:

Malicious

Tags:

trojan stealer agent_tesla Win.Packed.Generic-10003641-0 external_ip_lookup

YARA:

Windows_Generic_Threat_9f4a80b2 Agenttesla_type2 AgentTeslaV2 AgentTeslaV3 AgentTeslaV5 Windows_Trojan_AgentTesla_ebf431a8 MALWARE_Win_AgentTeslaV2 JPCERTCC_Agenttesla_Type2

Link:

https://app.threat.zone/submission/f2ba2710-960f-4ca6-a937-200df3f8613f

Unpacked files

SH256 hash:

143c0a3eb39da23c81043a3c1ef0a7e83321b467e2bb6f55102c87277f8fc79e

MD5 hash:

7c10269accd9402f875380a067bb0c37

SHA1 hash:

d5a4e57fd07f3251926e1c46c773b80126f08a0a

Detections:

win_agent_tesla_g2

Link:

https://www.unpac.me/results/7828ee16-9767-4f11-94da-81a3e331f39b/

Parent samples :

143c0a3eb39da23c81043a3c1ef0a7e83321b467e2bb6f55102c87277f8fc79e
77b9f807d8cceb59c1446ac8f56d5cfed3164161580365359bcfd409a06a5f77
a5112345a4d4d1d1e70764523af1f79fca30b46786f1a129f4cf80ee41d0b28a
6403b761e283fb5adef7727894ba0b1537db0afdc1d564ee2bec5317cf7edc85

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/143c0a3eb39d/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/143c0a3eb39da23c81043a3c1ef0a7e83321b467e2bb6f55102c87277f8fc79e

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:	AgentTeslaV2 Create hunting rule
Author:	ditekshen
Description:	AgenetTesla Type 2 Keylogger payload

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:	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:	MALWARE_Win_AgentTeslaV2 Create hunting rule
Author:	ditekSHen
Description:	AgenetTesla Type 2 Keylogger payload

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_Generic_Threat_9f4a80b2 Create hunting rule
Author:	Elastic Security

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.

Malspam

AgentTesla

exe 143c0a3eb39da23c81043a3c1ef0a7e83321b467e2bb6f55102c87277f8fc79e

(this sample)

Delivery method

Distributed via e-mail attachment

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

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