MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1cf25d1db64f0770a13d3179a2709f08c231b5133c7f2adb2fa450bc69c887b. 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: 18

Intelligence 18 IOCs YARA 18 File information Comments

SHA256 hash:	a1cf25d1db64f0770a13d3179a2709f08c231b5133c7f2adb2fa450bc69c887b
SHA3-384 hash:	c7f0da7f228071fc58a44908717d084abb5a1b799bb7b37a8d0504124f0529a0eed8dae46be6218babbb13d29b71e3ff
SHA1 hash:	1d7fbf2cc01a132ebf0dca52aee4f88280a20055
MD5 hash:	3b5b4b45e6beb94f7598b7dd02acc32d
humanhash:	ohio-network-foxtrot-pip
File name:	1720591325f5478047ee3721bf0b0649bb42cc34e9e6a69a5014cf6e24bdb38eff5f9aa4a6227.dat-decoded
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	245'760 bytes
First seen:	2024-07-10 06:02:08 UTC
Last seen:	2025-10-14 15:42:49 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	3072:3FznrXDLced7KEzyA4AId6MMiZ5c5ScRN2X:3FznrXDLced7HmJAO6MNwScn
Threatray	3'338 similar samples on MalwareBazaar
TLSH	T1FA340F037E88EB15D5A87E3782EF2C2413B2B4C71673C60F6F49AE6524512926C7E72D
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	abuse_ch
Tags:	AgentTesla base64-decoded detarcoopmedical-com exe pub-26ee9be236b54d0cb1b570a203543b93-r2-dev

abuse_ch

Malware dropped as base64 encoded payload

Intelligence

File Origin

# of uploads :

# of downloads :

461

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

a1cf25d1db64f0770a13d3179a2709f08c231b5133c7f2adb2fa450bc69c887b.exe

Verdict:

Malicious activity

Analysis date:

2024-07-10 06:24:21 UTC

Tags:

evasion smtp exfiltration stealer agenttesla

Link:

https://app.any.run/tasks/83168b5e-075a-4361-859c-9a9c48faa11c

Note:

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

Detection(s):

Win.Packed.Msilperseus-9956591-0

Win.Packed.Generic-10003641-0

Win.Packed.Generic-10011753-0

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=668e2417ec881b573673fd49win7simulatehigh_evasion

Tags:

Msil

Verdict:

Malicious

Threat level:

10/10

Confidence:

90%

Tags:

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

Link:

https://www.filescan.io/uploads/668e241760a2a7247a48d067/reports/8ed21a7a-12ad-41e5-b2a2-407fe28c5900/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/a1cf25d1db64f0770a13d3179a2709f08c231b5133c7f2adb2fa450bc69c887b

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/afef3ccc-6391-4f45-a2ea-1e0193410b33

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1470600

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

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

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)

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

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 steal Mail credentials (via file / registry access)

Yara detected AgentTesla

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a1cf25d1db64f0770a13d3179a2709f08c231b5133c7f2adb2fa450bc69c887b

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/a1cf25d1db64f0770a13d3179a2709f08c231b5133c7f2adb2fa450bc69c887b/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-02-17 08:36:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 38 (65.79%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=uhhsluo3mtyhocqt2mlzujyj6cgcgg2rgpd7flns7jcqxru4rb5q._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

31ea4b3caac19e152570c72004d306c5121748aeba67244e6233df2313f16118

AgentTesla

adf35677174a56908f9bd964b510d283f08f5c8be591ac2deae86ad9fa57c813

AgentTesla

f5da5b71aaee25c3769bfdbbd086208d0ff97ff923ad7903f813d3a81460013f

AgentTesla

+ 3'328 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240710-gr18na1apm/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Looks up external IP address via web service

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/885c4e45-04c0-4d98-a783-d1e9a41e250d

Unpacked files

SH256 hash:

a1cf25d1db64f0770a13d3179a2709f08c231b5133c7f2adb2fa450bc69c887b

MD5 hash:

3b5b4b45e6beb94f7598b7dd02acc32d

SHA1 hash:

1d7fbf2cc01a132ebf0dca52aee4f88280a20055

Detections:

AgentTesla

win_agent_tesla_g2

Agenttesla_type2

Link:

https://www.unpac.me/results/59cb98a1-7fe6-499d-b65d-367c2e7bb325/

Parent samples :

a1cf25d1db64f0770a13d3179a2709f08c231b5133c7f2adb2fa450bc69c887b
ef9e1440789a46cd00ebe7bde8526eefd00e6d1363299d3ae3c1b01e891d7b35
bcfe19d0400c2037c85aafca7fc2850f263334557f8aa3126a4c88f05dd1d51d
89683b224bb5a144fd44d21c13713a7c8a2108f7869dc6def98f254dff322ece
3938db6087be563a6827bb4a7b6ad3dde34e7eb4215ba65ff0bf33a498b821c7

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

Threat name:

Malicious File

Score:

0.77

Link:

https://yomi.yoroi.company/submissions/a1cf25d1db64f0770a13d3179a2709f08c231b5133c7f2adb2fa450bc69c887b

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:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

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:	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.

Web download

AgentTesla

js f5478047ee3721bf0b0649bb42cc34e9e6a69a5014cf6e24bdb38eff5f9aa4a6

AgentTesla

exe a1cf25d1db64f0770a13d3179a2709f08c231b5133c7f2adb2fa450bc69c887b

(this sample)

Dropped by

SHA256 f5478047ee3721bf0b0649bb42cc34e9e6a69a5014cf6e24bdb38eff5f9aa4a6

Dropped by

MD5 212bd8b6f43f2ddb04096efd4b03a531

URLhaus

https://urlhaus.abuse.ch/url/2947839/

Delivery method

Distributed via web download

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

Comments

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