MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6670de035561ab5f4cd82d89a4ab969b7d8eaf1da047782b37399d79eeb4762e. 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 17 File information Comments

SHA256 hash:	6670de035561ab5f4cd82d89a4ab969b7d8eaf1da047782b37399d79eeb4762e
SHA3-384 hash:	9baac664f5ab705269cb0c08eccc1467ccbab9edb7d645e8d5565f74eda6d362f8645d67035f7761fc8433266941fb41
SHA1 hash:	1c38bd8f3122bc9aaf7c2a8968c252ff2b264721
MD5 hash:	906cb4d1d82674ca8e0c0614d34af552
humanhash:	asparagus-delta-william-uranus
File name:	SecuriteInfo.com.Win32.PWSX-gen.25825.12964
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	803'328 bytes
First seen:	2024-04-20 01:21:25 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	24576:xXYwIG7RaOvoOnAHRtZbsy1vBF1rG3AbHO7G:zIG7sOvoOnkFwoBLrG3AbHo
Threatray	775 similar samples on MalwareBazaar
TLSH	T15505238C3B29EC77C92E09F05A06B61453F41292F455F1EA8CDA72E266C0FE98501F9F
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter	SecuriteInfoCom
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

573

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

6670de035561ab5f4cd82d89a4ab969b7d8eaf1da047782b37399d79eeb4762e.exe

Verdict:

Malicious activity

Analysis date:

2024-04-20 01:24:22 UTC

Tags:

evasion smtp exfiltration stealer agenttesla

Link:

https://app.any.run/tasks/1c4de704-02e2-461d-96b5-2658da7d4e5c

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Creating a file in the %temp% directory

Launching a process

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/662318bbc5dabc22b2034780/reports/73061824-7412-4e79-834a-d09b9462e9e5/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/6670de035561ab5f4cd82d89a4ab969b7d8eaf1da047782b37399d79eeb4762e

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/7a072c89-05a7-46b0-a401-bb21f21c73c6

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1429018

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Adds a directory exclusion to Windows Defender

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

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

Injects a PE file into a foreign processes

Loading BitLocker PowerShell Module

Machine Learning detection for dropped file

Machine Learning detection for 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)

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Sigma detected: Scheduled temp file as task from temp location

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)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/6670de035561ab5f4cd82d89a4ab969b7d8eaf1da047782b37399d79eeb4762e

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/6670de035561ab5f4cd82d89a4ab969b7d8eaf1da047782b37399d79eeb4762e/

Threat name:

ByteCode-MSIL.Trojan.Generic

Status:

Suspicious

First seen:

2024-04-19 22:55:49 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 37 (54.05%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=mzyn4a2vmgvv6tgyfwe2jk4wtn6y5ly5ubdxqkzxhgoxt3vuoyxa._file

Verdict:

malicious

AgentTesla

646da2f80123a9ae67c58d474c19609900b5816941164677dc24238316b512e9

AgentTesla

6670de035561ab5f4cd82d89a4ab969b7d8eaf1da047782b37399d79eeb4762e

AgentTesla

8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670

AgentTesla

+ 765 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240420-bq8nfscf89/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Looks up external IP address via web service

Checks computer location settings

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

Unpacked files

SH256 hash:

1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d

MD5 hash:

e4b5d57e9e46a4e76075b5b92f71577f

SHA1 hash:

d76dc165724148193c6911cc75fc62c198737d3a

Link:

https://www.unpac.me/results/7c6f6827-d5dd-4a3a-a2bb-65db3c53a264/

Parent samples :

d89ea6a01347b82f963ed7960583e5d76c6a07e91852fae83bc290e0f64a06b2
3f700fd41c6cca501d50cc2f62afd8e0d951efc1a918aa65ab3e84ee563ff1d6

SH256 hash:

837659251328981c63640c4e09fbc22e7b82be88df1802a8374d70b1dcc3c96f

MD5 hash:

7d60615e4836d59fb3c43dcb8433b44a

SHA1 hash:

2e6590ef2d6a535658b0196eb0623482be63fe59

Link:

https://www.unpac.me/results/7c6f6827-d5dd-4a3a-a2bb-65db3c53a264/

SH256 hash:

9ddc829df188f81ace8bd2a00e3358e24909f98363c4405eeba8c9237f74db6c

MD5 hash:

eac7ff4dbd439ecc7f977eb4d1773160

SHA1 hash:

2926d00283d397930806b059c6cea19ff84a20aa

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/7c6f6827-d5dd-4a3a-a2bb-65db3c53a264/

Parent samples :
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SH256 hash:

baa0bda022a64970c5be7e975198d5dd8229901e827b2bda8ed277c53e9fb950

MD5 hash:

1efe8c9276f935bf051c72a80a02d2c8

SHA1 hash:

13a1f62d3ad9375ca328ce8e393e4e235226bc3c

Link:

https://www.unpac.me/results/7c6f6827-d5dd-4a3a-a2bb-65db3c53a264/

SH256 hash:

6670de035561ab5f4cd82d89a4ab969b7d8eaf1da047782b37399d79eeb4762e

MD5 hash:

906cb4d1d82674ca8e0c0614d34af552

SHA1 hash:

1c38bd8f3122bc9aaf7c2a8968c252ff2b264721

Link:

https://www.unpac.me/results/7c6f6827-d5dd-4a3a-a2bb-65db3c53a264/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/6670de035561/report/overview.html

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 Create hunting rule
Author:	ditekshen
Description:	AgentTeslaV3 infostealer payload

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

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:	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:	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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