MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b554e8dd69967d78afe3283ab7a2b90ee9e24cd6c161aded274eaac7685c2675. 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 21 File information Comments

SHA256 hash:	b554e8dd69967d78afe3283ab7a2b90ee9e24cd6c161aded274eaac7685c2675
SHA3-384 hash:	82ee8e4fb68d224f51fd3deceeb9ac16feb01d16fa3f757550c5cdc4099b3f8c124629c9e31acb565959ab8e548e0018
SHA1 hash:	ca6c1659f19236ea2cdc2b2b998b7da103a12446
MD5 hash:	bcc595ea2d432e34e1637fdefc132de0
humanhash:	cup-yankee-kilo-india
File name:	Doc 1189623388009.scr
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'567'744 bytes
First seen:	2025-02-17 11:40:04 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep	24576:CA9km6k/IwRYbiBeKGCTfaVqGpDDFXsBg:z9sk/IRUnTfyZpNc
Threatray	4'117 similar samples on MalwareBazaar
TLSH	T17E759D1062A5DF16F5BF8930DAB260F686A77C01FD014BEB7991BF0974B3BE01990A17
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
File icon (PE):
dhash icon	0f519373d9cc750b (107 x AgentTesla, 20 x AveMariaRAT, 5 x Formbook)
Reporter	adrian__luca
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

468

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

28e4080eb4071e2daf676dcf3201c8cf7529d9a5a6382d1ae30ec8ec48c9d193

Verdict:

Malicious activity

Analysis date:

2025-02-14 02:49:31 UTC

Tags:

arch-exec evasion stealer agenttesla ftp exfiltration

Link:

https://app.any.run/tasks/a5bea5c0-051f-468f-bb54-2b15e870bb7a

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.3193.31215.17685.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67b3210da0fd713c335b6d88

Tags:

virus micro lien msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Enabling the 'hidden' option for analyzed file

Unauthorized injection to a recently created process

Restart of the analyzed sample

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Creating a file in the %AppData% subdirectories

Enabling the 'hidden' option for recently created files

Reading critical registry keys

Setting a keyboard event handler

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade obfuscated obfuscated packed packed packer_detected

Link:

https://www.filescan.io/uploads/67b3202d991985e0a95a677d/reports/9f45495c-2442-44e9-ad0f-d86ad082e82a/overview

Verdict:

Malicious

Labled as:

Ser.Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/b554e8dd69967d78afe3283ab7a2b90ee9e24cd6c161aded274eaac7685c2675

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/0e4d5004-eb7b-422b-8957-b6e712c03b6c

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1617014

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

Connects to many ports of the same IP (likely port scanning)

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Installs a global keyboard hook

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Suricata IDS alerts for network traffic

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:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b554e8dd69967d78afe3283ab7a2b90ee9e24cd6c161aded274eaac7685c2675

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/b554e8dd69967d78afe3283ab7a2b90ee9e24cd6c161aded274eaac7685c2675/

Threat name:

Win32.Trojan.AgentTesla

Status:

Malicious

First seen:

2025-02-14 02:49:32 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 23 (86.96%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wvkorxljsz6xrl7dfa5lpivzb3u6etgwyfq233jhj2vmo2c4ez2q._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

192cdb9bb290461aca9fd64be60910c5d4dcad1929d1c236b4295c43d0c88a48

AgentTesla

20aaafa781f7da70a5ef70dad36dbcf2d0f32b78ac008d0e037a9d53a48c79f2

AgentTesla

4514739754b828cbc77e156881af35cddfbb44f5709cce766ae97ccb6974d2fc

AgentTesla

b554e8dd69967d78afe3283ab7a2b90ee9e24cd6c161aded274eaac7685c2675

AgentTesla

cc6a15579c9eebe71cbb6eb6ad32e86c5490e13a06e234bde5e7081c639b21f9

AgentTesla

error

AgentTesla

+ 4'107 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/250217-ns4hqszkw2/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Suspicious use of SetThreadContext

Adds Run key to start application

Looks up external IP address via web service

Executes dropped EXE

Loads dropped DLL

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

Downloads MZ/PE file

AgentTesla

Agenttesla family

Verdict:

Malicious

Tags:

external_ip_lookup

YARA:

n/a

Link:

https://app.threat.zone/submission/d1f6c2c8-3e93-402f-8350-ec85272fd7de

Unpacked files

SH256 hash:

b554e8dd69967d78afe3283ab7a2b90ee9e24cd6c161aded274eaac7685c2675

MD5 hash:

bcc595ea2d432e34e1637fdefc132de0

SHA1 hash:

ca6c1659f19236ea2cdc2b2b998b7da103a12446

Link:

https://www.unpac.me/results/b8452af5-ddd7-4a7a-b9be-f7790f3d8b1b/

SH256 hash:

f9416dc63357aea8662e99da595078f977f7c0de0b0226a5272a4a8b79ea1d3d

MD5 hash:

8f3c288d1661db7cf638c7cdbe1c9569

SHA1 hash:

8fadb337e0a56bd13c2a7946903da8702802f628

Detections:

win_agent_tesla_g2

Agenttesla_type2

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

MALWARE_Win_AgentTeslaV2

Link:

https://www.unpac.me/results/b8452af5-ddd7-4a7a-b9be-f7790f3d8b1b/

Parent samples :
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SH256 hash:

ec2e2a9fb348e683a8aacca5e91e0936c2fc4f2cda64666237074921d35cf047

MD5 hash:

a80c5d4491f87ec6ac2d0634d0c71979

SHA1 hash:

a422e91738fd465cb3168bfc6157e7b81613075c

Detections:

MALWARE_Win_DLInjector02

Link:

https://www.unpac.me/results/b8452af5-ddd7-4a7a-b9be-f7790f3d8b1b/

Parent samples :

b554e8dd69967d78afe3283ab7a2b90ee9e24cd6c161aded274eaac7685c2675
3784d898b3544502a93af06e5847ea032b1811504ed5e09a6b1363304ae3189e

SH256 hash:

45c7b64a55dca23ee1239649e03a7c361813dbcfc2a0817b0d8e94c907d6ed4b

MD5 hash:

fb1bc19121c4e190d83672bc71b493f0

SHA1 hash:

c3488b969ba578e28ee360be24b6416425a224a0

Link:

https://www.unpac.me/results/b8452af5-ddd7-4a7a-b9be-f7790f3d8b1b/

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

Threat name:

iSpy Keylogger

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/b554e8dd69967d78afe3283ab7a2b90ee9e24cd6c161aded274eaac7685c2675

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:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

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

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:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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.

Malspam

AgentTesla

exe b554e8dd69967d78afe3283ab7a2b90ee9e24cd6c161aded274eaac7685c2675

(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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