MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77fd58789cadf2f53c7a9ee50f3a80baafb6fb8d7567afb4d66c081fef0857d4. 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 18 File information Comments

SHA256 hash:	77fd58789cadf2f53c7a9ee50f3a80baafb6fb8d7567afb4d66c081fef0857d4
SHA3-384 hash:	0f8fff6f5bbf24222129a1811cdae8a35f26e5170fdf853eeae4b0a126082e58c1fdf86e340e1ed256e3f769bc9a5503
SHA1 hash:	8406c6463a6a02aa82e399721ff3044d2d3b6e04
MD5 hash:	a5e2d8aa014a6348667249b07e55fdce
humanhash:	nineteen-delta-iowa-sixteen
File name:	77fd58789cadf2f53c7a9ee50f3a80baafb6fb8d7567afb4d66c081fef0857d4
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	239'104 bytes
First seen:	2024-08-01 13:32:10 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	3072:i8KBjHb3TUh4eId0jR4DXgiuy2Syeu5Cwo1T+:FKBjHb3T3eId6RYwiuOyeMoB
TLSH	T1F2341F037E88EB15E1A83E3782EF6D2413B2B4C71633D60B6F49AF6614516825C7E72D
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	adrian__luca
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

390

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

77fd58789cadf2f53c7a9ee50f3a80baafb6fb8d7567afb4d66c081fef0857d4

Verdict:

Malicious activity

Analysis date:

2024-08-01 13:36:31 UTC

Tags:

ftp stealer agenttesla exfiltration evasion

Link:

https://app.any.run/tasks/31eea133-1675-4501-bd9e-e7eab807d180

Note:

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

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66ab8e92037b02d0daecf1cd

Tags:

Discovery Infostealer Network Stealth Msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Reading critical registry keys

Connection attempt to an infection source

Creating a window

Stealing user critical data

Query of malicious DNS domain

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

agenttesla anti-vm azorult evasive fingerprint hacktool hook infostealer keylogger lolbin remote stealer vbnet

Link:

https://www.filescan.io/uploads/66ab8e933ba51bb345a4723c/reports/6d5fe923-b665-4a32-836b-61a180551676/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/77fd58789cadf2f53c7a9ee50f3a80baafb6fb8d7567afb4d66c081fef0857d4

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/013fb38b-1a44-4724-8ceb-bb53b327c0ef

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1486060

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

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 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

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/77fd58789cadf2f53c7a9ee50f3a80baafb6fb8d7567afb4d66c081fef0857d4

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/77fd58789cadf2f53c7a9ee50f3a80baafb6fb8d7567afb4d66c081fef0857d4/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-07-28 03:48:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

31 of 38 (81.58%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=o76vq6e4vxzpkpd2t3sq6ouaxkx3n64novt27ngwnqeb73yik7ka._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla credential_access discovery keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240801-qthzjasfpk/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

System Location Discovery: System Language Discovery

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

Credentials from Password Stores: Credentials from Web Browsers

AgentTesla

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/e41745be-c894-4eaa-97b9-d99b32a494a1

Unpacked files

SH256 hash:

77fd58789cadf2f53c7a9ee50f3a80baafb6fb8d7567afb4d66c081fef0857d4

MD5 hash:

a5e2d8aa014a6348667249b07e55fdce

SHA1 hash:

8406c6463a6a02aa82e399721ff3044d2d3b6e04

Detections:

win_agent_tesla_g2

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Agenttesla_type2

MALWARE_Win_AgentTeslaV2

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

Link:

https://www.unpac.me/results/5a4cc72a-b367-4b11-8f81-cee4a1171946/

Parent samples :
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Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/77fd58789cad/report/overview.html

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

Threat name:

AgentTesla

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/77fd58789cadf2f53c7a9ee50f3a80baafb6fb8d7567afb4d66c081fef0857d4

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:	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_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_808f680e 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.

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

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