MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63cbf8a0edc294245e2e379283862d7e87e13a559c5493bb1f217e2d660c30e0. 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 15 File information Comments

SHA256 hash:	63cbf8a0edc294245e2e379283862d7e87e13a559c5493bb1f217e2d660c30e0
SHA3-384 hash:	1070d87d9f0ebc1959951d213893d213f0b5905f0df7678125fb375940b508cce9179fddf3598d1dff7ac16353b1d54f
SHA1 hash:	6fe17bda90f9ffe2850a07869352e0b17d3bde99
MD5 hash:	5fdba5d328f94232de84aab2340d0398
humanhash:	kansas-march-utah-sweet
File name:	microzx.scr.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	708'096 bytes
First seen:	2024-02-27 21:37:26 UTC
Last seen:	2024-02-28 06:14:10 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:40zScVEoryNPDsKITQ8AuVZOqRkEd+ZTvFI/BWPOOZHzQqGrgA8:LzSOnryNPDsKITQ8AuVI60ZTtI/sPOSS
Threatray	5'537 similar samples on MalwareBazaar
TLSH	T127E42364B36CD711D83E283C597466344FF2658682D8DFEF8DDC332B65A6B88532A309
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)
File icon (PE):
dhash icon	f0a2aae48ae4e29a (11 x AgentTesla, 3 x Formbook, 1 x PureLogsStealer)
Reporter	James_inthe_box
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

394

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

COPY.doc

Verdict:

Malicious activity

Analysis date:

2024-02-27 13:56:13 UTC

Tags:

exploit cve-2017-11882 loader agenttesla stealer

Link:

https://app.any.run/tasks/b4cbaed4-4e5d-4bbf-af9c-cf706099d154

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/478060/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a process with a hidden window

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

Reading critical registry keys

Searching for the window

Creating a window

Сreating synchronization primitives

Stealing user critical data

Adding an exclusion to Microsoft Defender

Verdict:

Malicious

Threat level:

10/10

Confidence:

89%

Tags:

keylogger masquerade packed

Link:

https://www.filescan.io/uploads/65de563b03a1c3a7aef76424/reports/f7655d47-83e4-47ff-bbd8-5e0adbdd54f0/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/63cbf8a0edc294245e2e379283862d7e87e13a559c5493bb1f217e2d660c30e0

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/ac05c49b-e5e1-4fe8-ad12-03d0001d767c

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1399918

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Adds a directory exclusion to Windows Defender

Contains functionality to log keystrokes (.Net Source)

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)

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

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

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 AntiVM3

Yara detected Generic Downloader

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/63cbf8a0edc294245e2e379283862d7e87e13a559c5493bb1f217e2d660c30e0

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/63cbf8a0edc294245e2e379283862d7e87e13a559c5493bb1f217e2d660c30e0/

Threat name:

ByteCode-MSIL.Trojan.Taskun

Status:

Malicious

First seen:

2024-02-27 16:55:47 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=mpf7rihnykkcixrog6jihbrnp2d6cosvtrkjhoy7ef7c2zqmgdqa._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

3fe0604cab405c9b0e41618f3a11f87a97cdab36aa63d90508bb7dae649890e5

AgentTesla

6048838a96507ca26c12c642663939ccceba50c27fda8af018b6a05ffedf7c24

AgentTesla

63cbf8a0edc294245e2e379283862d7e87e13a559c5493bb1f217e2d660c30e0

AgentTesla

afa3804f83bed78702bb4fa26a5ad86964710c90140a67585a38b335b8478630

AgentTesla

+ 5'527 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240227-1g2afscc7v/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

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:

ebf15e82c93f6bc50a41b6ff6a67bf61e41312e7f1f93953e159a7e4eaa91eec

MD5 hash:

886c56d27cff51001f044c8058ba9fb4

SHA1 hash:

df9d9ed94eb5f484e64800f03cc4e08e7e8a2e6a

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_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/0bda687b-e0f0-4fc4-8523-cc260774c0a8/

Parent samples :
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SH256 hash:

72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628

MD5 hash:

2a8240bba06e832ee5d136a0a7e5b5b9

SHA1 hash:

de49d9b33004a4a622a4279b3ee2b3e3e5cd012b

Link:

https://www.unpac.me/results/0bda687b-e0f0-4fc4-8523-cc260774c0a8/

SH256 hash:

f27be1453a98cc51e3e88660ef74a16d79ecbc773a931e1e59618ead9490bee4

MD5 hash:

19b375902a02424a2ea5545e60c56fbb

SHA1 hash:

6ac002b38c6bd9f48268264b351a874fe082d6e4

Link:

https://www.unpac.me/results/0bda687b-e0f0-4fc4-8523-cc260774c0a8/

SH256 hash:

a1641e650531f49b704a7097303941766fbbbc355e96d9a38d37ee59fcfbf803

MD5 hash:

503070be34bb3b7304901df0c718a291

SHA1 hash:

1bfcaebc578fc50415b9c56e254cf7a412bd12d8

Link:

https://www.unpac.me/results/0bda687b-e0f0-4fc4-8523-cc260774c0a8/

SH256 hash:

63cbf8a0edc294245e2e379283862d7e87e13a559c5493bb1f217e2d660c30e0

MD5 hash:

5fdba5d328f94232de84aab2340d0398

SHA1 hash:

6fe17bda90f9ffe2850a07869352e0b17d3bde99

Link:

https://www.unpac.me/results/0bda687b-e0f0-4fc4-8523-cc260774c0a8/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/63cbf8a0edc2/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/63cbf8a0edc294245e2e379283862d7e87e13a559c5493bb1f217e2d660c30e0

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:	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:	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_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.

Delivery method

Other

Cape

https://www.capesandbox.com/analysis/478060/

URLhaus

https://urlhaus.abuse.ch/url/2771877/

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