MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a85fd479d4d8655f30a83ecb0a53cc937f900ecd6bba52e0e568543711f287aa. 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: 16

Intelligence 16 IOCs YARA 15 File information Comments

SHA256 hash:	a85fd479d4d8655f30a83ecb0a53cc937f900ecd6bba52e0e568543711f287aa
SHA3-384 hash:	174269b93f724ca6a70b86ecfbee2f12a8491de9965808bfbc5f406275e71f42e560d8c6f4f7bb79e30b2f5a65b39fc7
SHA1 hash:	25feb80ed54992fcdb2fc92f3fe90f1730bbecaa
MD5 hash:	9a5bd40dcf2e6ac81bbe2ec3dd5f2a58
humanhash:	juliet-johnny-freddie-cardinal
File name:	remittance copy $58,670.00.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	675'328 bytes
First seen:	2024-02-28 06:16:57 UTC
Last seen:	2024-02-29 14:24:43 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:/zNwnqs3y44sAGeIpSmE13dyAJcp+a8QmP8/q1ScR9UiufLzj2t055Otz:2nPAGnSmE1tNJtRQBvcR9WfLmt05
Threatray	818 similar samples on MalwareBazaar
TLSH	T1EDE4236B254987BEEBBF2BF508C9444403F33981D646DF5C88EA18E52B73791DB1062B
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	30f071d468969692 (5 x AgentTesla)
Reporter	threatcat_ch
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

376

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

a85fd479d4d8655f30a83ecb0a53cc937f900ecd6bba52e0e568543711f287aa.exe

Verdict:

Malicious activity

Analysis date:

2024-02-28 06:22:28 UTC

Tags:

stealer agenttesla

Link:

https://app.any.run/tasks/647bde12-4759-4b35-838f-01bf3dc91c17

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/478089/

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.27132.4380.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/65decfdf781f5716464545d0/reports/54e00c5d-0295-4e5f-b94f-5cac4ab6b968/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/a85fd479d4d8655f30a83ecb0a53cc937f900ecd6bba52e0e568543711f287aa

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/a9d4799a-3a36-4efa-9b0b-9e714d088eb2

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1400057

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

Allocates memory in foreign processes

Antivirus detection for URL or domain

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Sigma detected: Scheduled temp file as task from temp location

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)

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

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a85fd479d4d8655f30a83ecb0a53cc937f900ecd6bba52e0e568543711f287aa

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a85fd479d4d8655f30a83ecb0a53cc937f900ecd6bba52e0e568543711f287aa/

Threat name:

ByteCode-MSIL.Trojan.MassKeyLoader

Status:

Malicious

First seen:

2024-02-28 00:03:08 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=vbp5i6ou3bsv6mfih3fquu6msn7zadwnno5ffyhfnbkdoepsq6va._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

4d268e7f0588bccd2fe6cf59ea9c80c0692739f4dd5443047d467ca0f3fefb19

AgentTesla

7beb3d6a70d7facb297ec8422e8cf5adff17c2a1739ef9392d93a633f321ead6

AgentTesla

bd010d6ec97048a7017725d3c45eef92c619abfff8ac0d8557d4325c23c662e2

AgentTesla

f7ae4f88854fc45970910be0459c5bddeefcb3d36b79485587fa1d6f53e9cec0

AgentTesla

+ 808 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240228-g1191sdb59/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

Suspicious use of SetThreadContext

Looks up external IP address via web service

Checks computer location settings

AgentTesla

Unpacked files

SH256 hash:

72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628

MD5 hash:

2a8240bba06e832ee5d136a0a7e5b5b9

SHA1 hash:

de49d9b33004a4a622a4279b3ee2b3e3e5cd012b

Link:

https://www.unpac.me/results/e1b08162-50ed-4542-85ee-e7bbbf3e32f1/

SH256 hash:

6355efe3ca3c3b968fb6f9cef0fc7d560491a5de39a86f26239854001fc85cb2

MD5 hash:

db8eb8822609e9c73b609f5445795c24

SHA1 hash:

d7e20fc4f8d169b48a881a18b6d0f406720d0f38

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/e1b08162-50ed-4542-85ee-e7bbbf3e32f1/

Parent samples :
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SH256 hash:

fddc0c123f368e1a35fd6d1a206dcdca08fa6bdadfff5e10afc9f3098313aa6d

MD5 hash:

193a4eabcbac16c28bbccb966e059b56

SHA1 hash:

a4ada3da1adfce8c1df1f691f6bfe4b0fb29d276

Link:

https://www.unpac.me/results/e1b08162-50ed-4542-85ee-e7bbbf3e32f1/

SH256 hash:

0190398cd1ee7458b2ad4de5bae10989d4f63420c848cc3c80a3c69296dc383f

MD5 hash:

970503effbe2981f2044430e63d4fb4e

SHA1 hash:

5a4c26491580bd7f79c8a4805ef36e9ecf3f1556

Link:

https://www.unpac.me/results/e1b08162-50ed-4542-85ee-e7bbbf3e32f1/

SH256 hash:

a85fd479d4d8655f30a83ecb0a53cc937f900ecd6bba52e0e568543711f287aa

MD5 hash:

9a5bd40dcf2e6ac81bbe2ec3dd5f2a58

SHA1 hash:

25feb80ed54992fcdb2fc92f3fe90f1730bbecaa

Link:

https://www.unpac.me/results/e1b08162-50ed-4542-85ee-e7bbbf3e32f1/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a85fd479d4d8/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/a85fd479d4d8655f30a83ecb0a53cc937f900ecd6bba52e0e568543711f287aa

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